From 0900cc583cc5e51b7c6b378de93cca29e11cb0e9 Mon Sep 17 00:00:00 2001 From: Chris Xiong Date: Fri, 28 Oct 2016 16:35:21 +0800 Subject: Add the GLFW port, still using OpenGL 2.1 though. And a more detailed readme. --- smelt/glfw/CxImage/.directory | 6 + smelt/glfw/CxImage/license.txt | 48 + smelt/glfw/CxImage/makefile | 12 + smelt/glfw/CxImage/tif_xfile.cpp | 221 +++ smelt/glfw/CxImage/xfile.h | 79 + smelt/glfw/CxImage/ximabmp.cpp | 448 +++++ smelt/glfw/CxImage/ximabmp.h | 79 + smelt/glfw/CxImage/ximacfg.h | 59 + smelt/glfw/CxImage/ximadef.h | 205 +++ smelt/glfw/CxImage/ximadsp.cpp | 3771 ++++++++++++++++++++++++++++++++++++++ smelt/glfw/CxImage/ximaenc.cpp | 1159 ++++++++++++ smelt/glfw/CxImage/ximaexif.cpp | 877 +++++++++ smelt/glfw/CxImage/ximage.cpp | 537 ++++++ smelt/glfw/CxImage/ximage.h | 808 ++++++++ smelt/glfw/CxImage/ximagif.cpp | 1681 +++++++++++++++++ smelt/glfw/CxImage/ximagif.h | 244 +++ smelt/glfw/CxImage/ximahist.cpp | 627 +++++++ smelt/glfw/CxImage/ximaico.cpp | 470 +++++ smelt/glfw/CxImage/ximaico.h | 58 + smelt/glfw/CxImage/ximainfo.cpp | 958 ++++++++++ smelt/glfw/CxImage/ximaint.cpp | 1046 +++++++++++ smelt/glfw/CxImage/ximaiter.h | 253 +++ smelt/glfw/CxImage/ximajas.cpp | 325 ++++ smelt/glfw/CxImage/ximajas.h | 88 + smelt/glfw/CxImage/ximajbg.cpp | 174 ++ smelt/glfw/CxImage/ximajbg.h | 44 + smelt/glfw/CxImage/ximajpg.cpp | 538 ++++++ smelt/glfw/CxImage/ximajpg.h | 283 +++ smelt/glfw/CxImage/ximalpha.cpp | 367 ++++ smelt/glfw/CxImage/ximalyr.cpp | 116 ++ smelt/glfw/CxImage/ximamng.cpp | 430 +++++ smelt/glfw/CxImage/ximamng.h | 88 + smelt/glfw/CxImage/ximapal.cpp | 834 +++++++++ smelt/glfw/CxImage/ximapcx.cpp | 479 +++++ smelt/glfw/CxImage/ximapcx.h | 64 + smelt/glfw/CxImage/ximapng.cpp | 644 +++++++ smelt/glfw/CxImage/ximapng.h | 95 + smelt/glfw/CxImage/ximapsd.cpp | 1307 +++++++++++++ smelt/glfw/CxImage/ximapsd.h | 110 ++ smelt/glfw/CxImage/ximaraw.cpp | 331 ++++ smelt/glfw/CxImage/ximaraw.h | 112 ++ smelt/glfw/CxImage/ximasel.cpp | 698 +++++++ smelt/glfw/CxImage/ximaska.cpp | 126 ++ smelt/glfw/CxImage/ximaska.h | 44 + smelt/glfw/CxImage/ximatga.cpp | 320 ++++ smelt/glfw/CxImage/ximatga.h | 61 + smelt/glfw/CxImage/ximath.cpp | 97 + smelt/glfw/CxImage/ximath.h | 39 + smelt/glfw/CxImage/ximatif.cpp | 982 ++++++++++ smelt/glfw/CxImage/ximatif.h | 62 + smelt/glfw/CxImage/ximatran.cpp | 2728 +++++++++++++++++++++++++++ smelt/glfw/CxImage/ximawbmp.cpp | 134 ++ smelt/glfw/CxImage/ximawbmp.h | 49 + smelt/glfw/CxImage/ximawmf.cpp | 483 +++++ smelt/glfw/CxImage/ximawmf.h | 154 ++ smelt/glfw/CxImage/ximawnd.cpp | 1900 +++++++++++++++++++ smelt/glfw/CxImage/xiofile.h | 125 ++ smelt/glfw/CxImage/xmemfile.cpp | 213 +++ smelt/glfw/CxImage/xmemfile.h | 42 + 59 files changed, 28332 insertions(+) create mode 100644 smelt/glfw/CxImage/.directory create mode 100644 smelt/glfw/CxImage/license.txt create mode 100644 smelt/glfw/CxImage/makefile create mode 100644 smelt/glfw/CxImage/tif_xfile.cpp create mode 100644 smelt/glfw/CxImage/xfile.h create mode 100644 smelt/glfw/CxImage/ximabmp.cpp create mode 100644 smelt/glfw/CxImage/ximabmp.h create mode 100644 smelt/glfw/CxImage/ximacfg.h create mode 100644 smelt/glfw/CxImage/ximadef.h create mode 100644 smelt/glfw/CxImage/ximadsp.cpp create mode 100644 smelt/glfw/CxImage/ximaenc.cpp create mode 100644 smelt/glfw/CxImage/ximaexif.cpp create mode 100644 smelt/glfw/CxImage/ximage.cpp create mode 100644 smelt/glfw/CxImage/ximage.h create mode 100644 smelt/glfw/CxImage/ximagif.cpp create mode 100644 smelt/glfw/CxImage/ximagif.h create mode 100644 smelt/glfw/CxImage/ximahist.cpp create mode 100644 smelt/glfw/CxImage/ximaico.cpp create mode 100644 smelt/glfw/CxImage/ximaico.h create mode 100644 smelt/glfw/CxImage/ximainfo.cpp create mode 100644 smelt/glfw/CxImage/ximaint.cpp create mode 100644 smelt/glfw/CxImage/ximaiter.h create mode 100644 smelt/glfw/CxImage/ximajas.cpp create mode 100644 smelt/glfw/CxImage/ximajas.h create mode 100644 smelt/glfw/CxImage/ximajbg.cpp create mode 100644 smelt/glfw/CxImage/ximajbg.h create mode 100644 smelt/glfw/CxImage/ximajpg.cpp create mode 100644 smelt/glfw/CxImage/ximajpg.h create mode 100644 smelt/glfw/CxImage/ximalpha.cpp create mode 100644 smelt/glfw/CxImage/ximalyr.cpp create mode 100644 smelt/glfw/CxImage/ximamng.cpp create mode 100644 smelt/glfw/CxImage/ximamng.h create mode 100644 smelt/glfw/CxImage/ximapal.cpp create mode 100644 smelt/glfw/CxImage/ximapcx.cpp create mode 100644 smelt/glfw/CxImage/ximapcx.h create mode 100644 smelt/glfw/CxImage/ximapng.cpp create mode 100644 smelt/glfw/CxImage/ximapng.h create mode 100644 smelt/glfw/CxImage/ximapsd.cpp create mode 100644 smelt/glfw/CxImage/ximapsd.h create mode 100644 smelt/glfw/CxImage/ximaraw.cpp create mode 100644 smelt/glfw/CxImage/ximaraw.h create mode 100644 smelt/glfw/CxImage/ximasel.cpp create mode 100644 smelt/glfw/CxImage/ximaska.cpp create mode 100644 smelt/glfw/CxImage/ximaska.h create mode 100644 smelt/glfw/CxImage/ximatga.cpp create mode 100644 smelt/glfw/CxImage/ximatga.h create mode 100644 smelt/glfw/CxImage/ximath.cpp create mode 100644 smelt/glfw/CxImage/ximath.h create mode 100644 smelt/glfw/CxImage/ximatif.cpp create mode 100644 smelt/glfw/CxImage/ximatif.h create mode 100644 smelt/glfw/CxImage/ximatran.cpp create mode 100644 smelt/glfw/CxImage/ximawbmp.cpp create mode 100644 smelt/glfw/CxImage/ximawbmp.h create mode 100644 smelt/glfw/CxImage/ximawmf.cpp create mode 100644 smelt/glfw/CxImage/ximawmf.h create mode 100644 smelt/glfw/CxImage/ximawnd.cpp create mode 100644 smelt/glfw/CxImage/xiofile.h create mode 100644 smelt/glfw/CxImage/xmemfile.cpp create mode 100644 smelt/glfw/CxImage/xmemfile.h (limited to 'smelt/glfw/CxImage') diff --git a/smelt/glfw/CxImage/.directory b/smelt/glfw/CxImage/.directory new file mode 100644 index 0000000..8add095 --- /dev/null +++ b/smelt/glfw/CxImage/.directory @@ -0,0 +1,6 @@ +[Dolphin] +GroupedSorting=true +PreviewsShown=true +SortRole=type +Timestamp=2015,7,23,0,2,39 +Version=3 diff --git a/smelt/glfw/CxImage/license.txt b/smelt/glfw/CxImage/license.txt new file mode 100644 index 0000000..1ea1f04 --- /dev/null +++ b/smelt/glfw/CxImage/license.txt @@ -0,0 +1,48 @@ +This copy of the CxImage notices is provided for your convenience. In case of +any discrepancy between this copy and the notices in the file ximage.h that is +included in the CxImage distribution, the latter shall prevail. + +If you modify CxImage you may insert additional notices immediately following +this sentence. + +-------------------------------------------------------------------------------- + +COPYRIGHT NOTICE, DISCLAIMER, and LICENSE: + +CxImage version 7.0.0 31/Dec/2010 + +CxImage : Copyright (C) 2001 - 2010, Davide Pizzolato + +Original CImage and CImageIterator implementation are: +Copyright (C) 1995, Alejandro Aguilar Sierra (asierra(at)servidor(dot)unam(dot)mx) + +Covered code is provided under this license on an "as is" basis, without warranty +of any kind, either expressed or implied, including, without limitation, warranties +that the covered code is free of defects, merchantable, fit for a particular purpose +or non-infringing. The entire risk as to the quality and performance of the covered +code is with you. Should any covered code prove defective in any respect, you (not +the initial developer or any other contributor) assume the cost of any necessary +servicing, repair or correction. This disclaimer of warranty constitutes an essential +part of this license. No use of any covered code is authorized hereunder except under +this disclaimer. + +Permission is hereby granted to use, copy, modify, and distribute this +source code, or portions hereof, for any purpose, including commercial applications, +freely and without fee, subject to the following restrictions: + +1. The origin of this software must not be misrepresented; you must not +claim that you wrote the original software. If you use this software +in a product, an acknowledgment in the product documentation would be +appreciated but is not required. + +2. Altered source versions must be plainly marked as such, and must not be +misrepresented as being the original software. + +3. This notice may not be removed or altered from any source distribution. + +-------------------------------------------------------------------------------- + +Other information: about CxImage, and the latest version, can be found at the +CxImage home page: http://www.xdp.it + +-------------------------------------------------------------------------------- diff --git a/smelt/glfw/CxImage/makefile b/smelt/glfw/CxImage/makefile new file mode 100644 index 0000000..725a62a --- /dev/null +++ b/smelt/glfw/CxImage/makefile @@ -0,0 +1,12 @@ +CC= g++ +CXXFLAGS= -c -Os -D_LINUX -Wall -fPIC +AR= ar + +all: objects archive clean + +objects: + $(CC) *.cpp $(CXXFLAGS) +archive: + $(AR) rcs libCxImage.a *.o +clean: + rm *.o && mv libCxImage.a ../ diff --git a/smelt/glfw/CxImage/tif_xfile.cpp b/smelt/glfw/CxImage/tif_xfile.cpp new file mode 100644 index 0000000..4d1d79a --- /dev/null +++ b/smelt/glfw/CxImage/tif_xfile.cpp @@ -0,0 +1,221 @@ +/* + * TIFF file IO, using CxFile. + */ + +#ifdef WIN32 + #include +#endif +#include + +#include "ximage.h" + +#if CXIMAGE_SUPPORT_TIF + +#include "../tiff/tiffiop.h" +#include "../tiff/tiffvers.h" + +#include "xfile.h" + +static tsize_t +_tiffReadProcEx(thandle_t fd, tdata_t buf, tsize_t size) +{ + return (tsize_t)((CxFile*)fd)->Read(buf, 1, size); +} + +static tsize_t +_tiffWriteProcEx(thandle_t fd, tdata_t buf, tsize_t size) +{ + return (tsize_t)((CxFile*)fd)->Write(buf, 1, size); +} + +static toff_t +_tiffSeekProcEx(thandle_t fd, toff_t off, int whence) +{ + if ( off == 0xFFFFFFFF ) + return 0xFFFFFFFF; + if (!((CxFile*)fd)->Seek(off, whence)) + return 0xFFFFFFFF; + if (whence == SEEK_SET) + return off; + + return (toff_t)((CxFile*)fd)->Tell(); +} + +// Return nonzero if error +static int +_tiffCloseProcEx(thandle_t /*fd*/) +{ +// return !((CxFile*)fd)->Close(); // "//" needed for memory files + return 0; +} + +#include + +static toff_t +_tiffSizeProcEx(thandle_t fd) +{ + return ((CxFile*)fd)->Size(); +} + +static int +_tiffMapProcEx(thandle_t /*fd*/, tdata_t* /*pbase*/, toff_t* /*psize*/) +{ + return (0); +} + +static void +_tiffUnmapProcEx(thandle_t /*fd*/, tdata_t /*base*/, toff_t /*size*/) +{ +} + +// Open a TIFF file descriptor for read/writing. +/* +TIFF* +TIFFOpen(const char* name, const char* mode) +{ + static const char module[] = "TIFFOpen"; + FILE* stream = fopen(name, mode); + if (stream == NULL) + { + TIFFError(module, "%s: Cannot open", name); + return NULL; + } + return (TIFFFdOpen((int)stream, name, mode)); +} +*/ + +TIFF* +_TIFFFdOpen(void* fd, const char* name, const char* mode) +{ + TIFF* tif; + + tif = TIFFClientOpen(name, mode, + (thandle_t) fd, + _tiffReadProcEx, _tiffWriteProcEx, _tiffSeekProcEx, _tiffCloseProcEx, + _tiffSizeProcEx, _tiffMapProcEx, _tiffUnmapProcEx); + if (tif) + { + tif->tif_fd = (int)fd; + } + return (tif); +} + +extern "C" TIFF* _TIFFOpenEx(CxFile* stream, const char* mode) +{ + return (_TIFFFdOpen(stream, "TIFF IMAGE", mode)); +} + +#ifdef __GNUC__ +extern char* malloc(); +extern char* realloc(); +#else +#include +#endif + +tdata_t +_TIFFmalloc(tsize_t s) +{ + return (malloc((size_t) s)); +} + +void +_TIFFfree(tdata_t p) +{ + free(p); +} + +tdata_t +_TIFFrealloc(tdata_t p, tsize_t s) +{ + return (realloc(p, (size_t) s)); +} + +void +_TIFFmemset(tdata_t p, int v, tsize_t c) +{ + memset(p, v, (size_t) c); +} + +void +_TIFFmemcpy(tdata_t d, const tdata_t s, tsize_t c) +{ + memcpy(d, s, (size_t) c); +} + +int +_TIFFmemcmp(const tdata_t p1, const tdata_t p2, tsize_t c) +{ + return (memcmp(p1, p2, (size_t) c)); +} + +#ifndef UNICODE +#define DbgPrint wvsprintf +#define DbgPrint2 wsprintf +#define DbgMsgBox MessageBox +#else +#define DbgPrint wvsprintfA +#define DbgPrint2 wsprintfA +#define DbgMsgBox MessageBoxA +#endif + +static void +Win32WarningHandler(const char* module, const char* fmt, va_list ap) +{ +#ifdef _DEBUG +#if (!defined(_CONSOLE) && !defined(_WIN32_WCE) && defined(WIN32)) + LPSTR szTitle; + LPSTR szTmp; + LPCSTR szTitleText = "%s Warning"; + LPCSTR szDefaultModule = "TIFFLIB"; + szTmp = (module == NULL) ? (LPSTR)szDefaultModule : (LPSTR)module; + if ((szTitle = (LPSTR)LocalAlloc(LMEM_FIXED, (strlen(szTmp) + + strlen(szTitleText) + strlen(fmt) + 128))) == NULL) + return; + DbgPrint2(szTitle, szTitleText, szTmp); + szTmp = szTitle + (strlen(szTitle)+2); + DbgPrint(szTmp, fmt, ap); + DbgMsgBox(GetFocus(), szTmp, szTitle, MB_OK | MB_ICONINFORMATION); + LocalFree(szTitle); + return; +#else + if (module != NULL) + fprintf(stderr, "%s: ", module); + fprintf(stderr, "Warning, "); + vfprintf(stderr, fmt, ap); + fprintf(stderr, ".\n"); +#endif +#endif +} +TIFFErrorHandler _TIFFwarningHandler = Win32WarningHandler; + +static void +Win32ErrorHandler(const char* module, const char* fmt, va_list ap) +{ +#ifdef _DEBUG +#if (!defined(_CONSOLE) && !defined(_WIN32_WCE) && defined(WIN32)) + LPSTR szTitle; + LPSTR szTmp; + LPCSTR szTitleText = "%s Error"; + LPCSTR szDefaultModule = "TIFFLIB"; + szTmp = (module == NULL) ? (LPSTR)szDefaultModule : (LPSTR)module; + if ((szTitle = (LPSTR)LocalAlloc(LMEM_FIXED, (strlen(szTmp) + + strlen(szTitleText) + strlen(fmt) + 128))) == NULL) + return; + DbgPrint2(szTitle, szTitleText, szTmp); + szTmp = szTitle + (strlen(szTitle)+2); + DbgPrint(szTmp, fmt, ap); + DbgMsgBox(GetFocus(), szTmp, szTitle, MB_OK | MB_ICONEXCLAMATION); + LocalFree(szTitle); + return; +#else + if (module != NULL) + fprintf(stderr, "%s: ", module); + vfprintf(stderr, fmt, ap); + fprintf(stderr, ".\n"); +#endif +#endif +} +TIFFErrorHandler _TIFFerrorHandler = Win32ErrorHandler; + +#endif + diff --git a/smelt/glfw/CxImage/xfile.h b/smelt/glfw/CxImage/xfile.h new file mode 100644 index 0000000..6de281c --- /dev/null +++ b/smelt/glfw/CxImage/xfile.h @@ -0,0 +1,79 @@ +/* + * File: xfile.h + * Purpose: General Purpose File Class + */ +/* + -------------------------------------------------------------------------------- + + COPYRIGHT NOTICE, DISCLAIMER, and LICENSE: + + CxFile (c) 11/May/2002 Davide Pizzolato - www.xdp.it + CxFile version 2.00 23/Aug/2002 + CxFile version 2.10 16/Dec/2007 + + Special thanks to Chris Shearer Cooper for new features, enhancements and bugfixes + + Covered code is provided under this license on an "as is" basis, without warranty + of any kind, either expressed or implied, including, without limitation, warranties + that the covered code is free of defects, merchantable, fit for a particular purpose + or non-infringing. The entire risk as to the quality and performance of the covered + code is with you. Should any covered code prove defective in any respect, you (not + the initial developer or any other contributor) assume the cost of any necessary + servicing, repair or correction. This disclaimer of warranty constitutes an essential + part of this license. No use of any covered code is authorized hereunder except under + this disclaimer. + + Permission is hereby granted to use, copy, modify, and distribute this + source code, or portions hereof, for any purpose, including commercial applications, + freely and without fee, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + + 3. This notice may not be removed or altered from any source distribution. + -------------------------------------------------------------------------------- + */ +#if !defined(__xfile_h) +#define __xfile_h + +#if defined (WIN32) || defined (_WIN32_WCE) + #include +#endif + +#include +#include + +#include "ximadef.h" + +class DLL_EXP CxFile +{ +public: + CxFile(void) { }; + virtual ~CxFile() { }; + + virtual bool Close() = 0; + virtual size_t Read(void *buffer, size_t size, size_t count) = 0; + virtual size_t Write(const void *buffer, size_t size, size_t count) = 0; + virtual bool Seek(int32_t offset, int32_t origin) = 0; + virtual int32_t Tell() = 0; + virtual int32_t Size() = 0; + virtual bool Flush() = 0; + virtual bool Eof() = 0; + virtual int32_t Error() = 0; + virtual bool PutC(uint8_t c) + { + // Default implementation + size_t nWrote = Write(&c, 1, 1); + return (bool)(nWrote == 1); + } + virtual int32_t GetC() = 0; + virtual char * GetS(char *string, int32_t n) = 0; + virtual int32_t Scanf(const char *format, void* output) = 0; +}; + +#endif //__xfile_h diff --git a/smelt/glfw/CxImage/ximabmp.cpp b/smelt/glfw/CxImage/ximabmp.cpp new file mode 100644 index 0000000..c173c7d --- /dev/null +++ b/smelt/glfw/CxImage/ximabmp.cpp @@ -0,0 +1,448 @@ +/* + * File: ximabmp.cpp + * Purpose: Platform Independent BMP Image Class Loader and Writer + * 07/Aug/2001 Davide Pizzolato - www.xdp.it + * CxImage version 7.0.0 31/Dec/2010 + */ + +#include "ximabmp.h" + +#if CXIMAGE_SUPPORT_BMP + +#include "ximaiter.h" + +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImageBMP::Encode(CxFile * hFile) +{ + + if (EncodeSafeCheck(hFile)) return false; + + BITMAPFILEHEADER hdr; + + hdr.bfType = 0x4d42; // 'BM' WINDOWS_BITMAP_SIGNATURE + hdr.bfSize = GetSize() + 14 /*sizeof(BITMAPFILEHEADER)*/; + hdr.bfReserved1 = hdr.bfReserved2 = 0; + hdr.bfOffBits = 14 /*sizeof(BITMAPFILEHEADER)*/ + head.biSize + GetPaletteSize(); + + hdr.bfType = m_ntohs(hdr.bfType); + hdr.bfSize = m_ntohl(hdr.bfSize); + hdr.bfOffBits = m_ntohl(hdr.bfOffBits); + +#if CXIMAGE_SUPPORT_ALPHA + if (GetNumColors()==0 && AlphaIsValid()){ + + BITMAPINFOHEADER infohdr; + memcpy(&infohdr,&head,sizeof(BITMAPINFOHEADER)); + infohdr.biCompression = BI_RGB; + infohdr.biBitCount = 32; + uint32_t dwEffWidth = ((((infohdr.biBitCount * infohdr.biWidth) + 31) / 32) * 4); + infohdr.biSizeImage = dwEffWidth * infohdr.biHeight; + + hdr.bfSize = infohdr.biSize + infohdr.biSizeImage + 14 /*sizeof(BITMAPFILEHEADER)*/; + + hdr.bfSize = m_ntohl(hdr.bfSize); + bihtoh(&infohdr); + + // Write the file header + hFile->Write(&hdr,min(14,sizeof(BITMAPFILEHEADER)),1); + hFile->Write(&infohdr,sizeof(BITMAPINFOHEADER),1); + //and DIB+ALPHA interlaced + uint8_t *srcalpha = AlphaGetPointer(); + for(int32_t y = 0; y < infohdr.biHeight; ++y){ + uint8_t *srcdib = GetBits(y); + for(int32_t x = 0; x < infohdr.biWidth; ++x){ + hFile->Write(srcdib,3,1); + hFile->Write(srcalpha,1,1); + srcdib += 3; + ++srcalpha; + } + } + + } else +#endif //CXIMAGE_SUPPORT_ALPHA + { + // Write the file header + hFile->Write(&hdr,min(14,sizeof(BITMAPFILEHEADER)),1); + //copy attributes + memcpy(pDib,&head,sizeof(BITMAPINFOHEADER)); + bihtoh((BITMAPINFOHEADER*)pDib); + // Write the DIB header and the pixels + hFile->Write(pDib,GetSize(),1); + bihtoh((BITMAPINFOHEADER*)pDib); + } + return true; +} +//////////////////////////////////////////////////////////////////////////////// +#endif //CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImageBMP::Decode(CxFile * hFile) +{ + if (hFile == NULL) return false; + + BITMAPFILEHEADER bf; + uint32_t off = hFile->Tell(); // + cx_try { + if (hFile->Read(&bf,min(14,sizeof(bf)),1)==0) cx_throw("Not a BMP"); + + bf.bfSize = m_ntohl(bf.bfSize); + bf.bfOffBits = m_ntohl(bf.bfOffBits); + + if (m_ntohs(bf.bfType) != BFT_BITMAP) { //do we have a RC HEADER? + bf.bfOffBits = 0L; + hFile->Seek(off,SEEK_SET); + } + + BITMAPINFOHEADER bmpHeader; + if (!DibReadBitmapInfo(hFile,&bmpHeader)); cx_throw("Error reading BMP info"); + uint32_t dwCompression=bmpHeader.biCompression; + uint32_t dwBitCount=bmpHeader.biBitCount; //preserve for BI_BITFIELDS compression + bool bIsOldBmp = bmpHeader.biSize == sizeof(BITMAPCOREHEADER); + + bool bTopDownDib = bmpHeader.biHeight<0; // check if it's a top-down bitmap + if (bTopDownDib) bmpHeader.biHeight=-bmpHeader.biHeight; + + if (info.nEscape == -1) { + // Return output dimensions only + head.biWidth = bmpHeader.biWidth; + head.biHeight = bmpHeader.biHeight; + info.dwType = CXIMAGE_FORMAT_BMP; + cx_throw("output dimensions returned"); + } + + if (!Create(bmpHeader.biWidth,bmpHeader.biHeight,bmpHeader.biBitCount,CXIMAGE_FORMAT_BMP)) + cx_throw(""); + + SetXDPI((int32_t) floor(bmpHeader.biXPelsPerMeter * 254.0 / 10000.0 + 0.5)); + SetYDPI((int32_t) floor(bmpHeader.biYPelsPerMeter * 254.0 / 10000.0 + 0.5)); + + if (info.nEscape) cx_throw("Cancelled"); // - cancel decoding + + RGBQUAD *pRgb = GetPalette(); + if (pRgb){ + if (bIsOldBmp){ + // convert a old color table (3 byte entries) to a new + // color table (4 byte entries) + hFile->Read((void*)pRgb,DibNumColors(&bmpHeader) * sizeof(RGBTRIPLE),1); + for (int32_t i=DibNumColors(&head)-1; i>=0; i--){ + pRgb[i].rgbRed = ((RGBTRIPLE *)pRgb)[i].rgbtRed; + pRgb[i].rgbBlue = ((RGBTRIPLE *)pRgb)[i].rgbtBlue; + pRgb[i].rgbGreen = ((RGBTRIPLE *)pRgb)[i].rgbtGreen; + pRgb[i].rgbReserved = (uint8_t)0; + } + } else { + hFile->Read((void*)pRgb,DibNumColors(&bmpHeader) * sizeof(RGBQUAD),1); + //force rgbReserved=0, to avoid problems with some WinXp bitmaps + for (uint32_t i=0; i - cancel decoding + + switch (dwBitCount) { + case 32 : + uint32_t bfmask[3]; + if (dwCompression == BI_BITFIELDS) + { + hFile->Read(bfmask, 12, 1); + } else { + bfmask[0]=0x00FF0000; + bfmask[1]=0x0000FF00; + bfmask[2]=0x000000FF; + } + if (bf.bfOffBits != 0L) hFile->Seek(off + bf.bfOffBits,SEEK_SET); + if (dwCompression == BI_BITFIELDS || dwCompression == BI_RGB){ + int32_t imagesize=4*head.biHeight*head.biWidth; + uint8_t* buff32=(uint8_t*)malloc(imagesize); + if (buff32){ + hFile->Read(buff32, imagesize,1); // read in the pixels + +#if CXIMAGE_SUPPORT_ALPHA + if (dwCompression == BI_RGB){ + AlphaCreate(); + if (AlphaIsValid()){ + bool bAlphaOk = false; + uint8_t* p; + for (int32_t y=0; ySeek(off + bf.bfOffBits,SEEK_SET); + if (dwCompression == BI_RGB){ + hFile->Read(info.pImage, head.biSizeImage,1); // read in the pixels + } else cx_throw("unknown compression"); + break; + case 16 : + { + uint32_t bfmask[3]; + if (dwCompression == BI_BITFIELDS) + { + hFile->Read(bfmask, 12, 1); + } else { + bfmask[0]=0x7C00; bfmask[1]=0x3E0; bfmask[2]=0x1F; //RGB555 + } + // bf.bfOffBits required after the bitfield mask + if (bf.bfOffBits != 0L) hFile->Seek(off + bf.bfOffBits,SEEK_SET); + // read in the pixels + hFile->Read(info.pImage, head.biHeight*((head.biWidth+1)/2)*4,1); + // transform into RGB + Bitfield2RGB(info.pImage,bfmask[0],bfmask[1],bfmask[2],16); + break; + } + case 8 : + case 4 : + case 1 : + if (bf.bfOffBits != 0L) hFile->Seek(off + bf.bfOffBits,SEEK_SET); + switch (dwCompression) { + case BI_RGB : + hFile->Read(info.pImage, head.biSizeImage,1); // read in the pixels + break; + case BI_RLE4 : + { + uint8_t status_byte = 0; + uint8_t second_byte = 0; + int32_t scanline = 0; + int32_t bits = 0; + BOOL low_nibble = FALSE; + CImageIterator iter(this); + + for (BOOL bContinue = TRUE; bContinue && hFile->Read(&status_byte, sizeof(uint8_t), 1);) { + + switch (status_byte) { + case RLE_COMMAND : + hFile->Read(&status_byte, sizeof(uint8_t), 1); + switch (status_byte) { + case RLE_ENDOFLINE : + bits = 0; + scanline++; + low_nibble = FALSE; + break; + case RLE_ENDOFBITMAP : + bContinue=FALSE; + break; + case RLE_DELTA : + { + // read the delta values + uint8_t delta_x; + uint8_t delta_y; + hFile->Read(&delta_x, sizeof(uint8_t), 1); + hFile->Read(&delta_y, sizeof(uint8_t), 1); + // apply them + bits += delta_x / 2; + scanline += delta_y; + break; + } + default : + hFile->Read(&second_byte, sizeof(uint8_t), 1); + uint8_t *sline = iter.GetRow(scanline); + for (int32_t i = 0; i < status_byte; i++) { + if ((uint8_t*)(sline+bits) < (uint8_t*)(info.pImage+head.biSizeImage)){ + if (low_nibble) { + if (i&1) + *(sline + bits) |= (second_byte & 0x0f); + else + *(sline + bits) |= (second_byte & 0xf0)>>4; + bits++; + } else { + if (i&1) + *(sline + bits) = (uint8_t)(second_byte & 0x0f)<<4; + else + *(sline + bits) = (uint8_t)(second_byte & 0xf0); + } + } + + if ((i & 1) && (i != (status_byte - 1))) + hFile->Read(&second_byte, sizeof(uint8_t), 1); + + low_nibble = !low_nibble; + } + if ((((status_byte+1) >> 1) & 1 ) == 1) + hFile->Read(&second_byte, sizeof(uint8_t), 1); + break; + }; + break; + default : + { + uint8_t *sline = iter.GetRow(scanline); + hFile->Read(&second_byte, sizeof(uint8_t), 1); + for (unsigned i = 0; i < status_byte; i++) { + if ((uint8_t*)(sline+bits) < (uint8_t*)(info.pImage+head.biSizeImage)){ + if (low_nibble) { + if (i&1) + *(sline + bits) |= (second_byte & 0x0f); + else + *(sline + bits) |= (second_byte & 0xf0)>>4; + bits++; + } else { + if (i&1) + *(sline + bits) = (uint8_t)(second_byte & 0x0f)<<4; + else + *(sline + bits) = (uint8_t)(second_byte & 0xf0); + } + } + low_nibble = !low_nibble; + } + } + break; + }; + } + break; + } + case BI_RLE8 : + { + uint8_t status_byte = 0; + uint8_t second_byte = 0; + int32_t scanline = 0; + int32_t bits = 0; + CImageIterator iter(this); + + for (BOOL bContinue = TRUE; bContinue && hFile->Read(&status_byte, sizeof(uint8_t), 1);) { + switch (status_byte) { + case RLE_COMMAND : + hFile->Read(&status_byte, sizeof(uint8_t), 1); + switch (status_byte) { + case RLE_ENDOFLINE : + bits = 0; + scanline++; + break; + case RLE_ENDOFBITMAP : + bContinue=FALSE; + break; + case RLE_DELTA : + { + // read the delta values + uint8_t delta_x; + uint8_t delta_y; + hFile->Read(&delta_x, sizeof(uint8_t), 1); + hFile->Read(&delta_y, sizeof(uint8_t), 1); + // apply them + bits += delta_x; + scanline += delta_y; + break; + } + default : + hFile->Read((void *)(iter.GetRow(scanline) + bits), sizeof(uint8_t) * status_byte, 1); + // align run length to even number of bytes + if ((status_byte & 1) == 1) + hFile->Read(&second_byte, sizeof(uint8_t), 1); + bits += status_byte; + break; + }; + break; + default : + uint8_t *sline = iter.GetRow(scanline); + hFile->Read(&second_byte, sizeof(uint8_t), 1); + for (unsigned i = 0; i < status_byte; i++) { + if ((uint8_t*)(sline+bits) < (uint8_t*)(info.pImage+head.biSizeImage)){ + *(sline + bits) = second_byte; + bits++; + } else { + break; + } + } + break; + }; + } + break; + } + default : + cx_throw("compression type not supported"); + } + } + + if (bTopDownDib) Flip(); // + + } cx_catch { + if (strcmp(message,"")) strncpy(info.szLastError,message,255); + if (info.nEscape == -1 && info.dwType == CXIMAGE_FORMAT_BMP) return true; + return false; + } + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/* ReadDibBitmapInfo() + * + * Will read a file in DIB format and return a global HANDLE to its + * BITMAPINFO. This function will work with both "old" and "new" + * bitmap formats, but will always return a "new" BITMAPINFO. + */ +bool CxImageBMP::DibReadBitmapInfo(CxFile* fh, BITMAPINFOHEADER *pdib) +{ + if ((fh==NULL)||(pdib==NULL)) return false; + + if (fh->Read(pdib,sizeof(BITMAPINFOHEADER),1)==0) return false; + + bihtoh(pdib); + + switch (pdib->biSize) // what type of bitmap info is this? + { + case sizeof(BITMAPINFOHEADER): + break; + + case 64: //sizeof(OS2_BMP_HEADER): + fh->Seek((int32_t)(64 - sizeof(BITMAPINFOHEADER)),SEEK_CUR); + break; + + case 124: //sizeof(BITMAPV5HEADER): + fh->Seek((long)(124-sizeof(BITMAPINFOHEADER)), SEEK_CUR); + break; + + case sizeof(BITMAPCOREHEADER): + { + BITMAPCOREHEADER bc = *(BITMAPCOREHEADER*)pdib; + pdib->biSize = bc.bcSize; + pdib->biWidth = (uint32_t)bc.bcWidth; + pdib->biHeight = (uint32_t)bc.bcHeight; + pdib->biPlanes = bc.bcPlanes; + pdib->biBitCount = bc.bcBitCount; + pdib->biCompression = BI_RGB; + pdib->biSizeImage = 0; + pdib->biXPelsPerMeter = 0; + pdib->biYPelsPerMeter = 0; + pdib->biClrUsed = 0; + pdib->biClrImportant = 0; + + fh->Seek((int32_t)(sizeof(BITMAPCOREHEADER)-sizeof(BITMAPINFOHEADER)), SEEK_CUR); + } + break; + default: + //give a last chance + if (pdib->biSize>(sizeof(BITMAPINFOHEADER))&& + (pdib->biSizeImage>=(uint32_t)(pdib->biHeight*((((pdib->biBitCount*pdib->biWidth)+31)/32)*4)))&& + (pdib->biPlanes==1)&&(pdib->biClrUsed==0)) + { + if (pdib->biCompression==BI_RGB) + fh->Seek((int32_t)(pdib->biSize - sizeof(BITMAPINFOHEADER)),SEEK_CUR); + break; + } + return false; + } + + FixBitmapInfo(pdib); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +#endif //CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_BMP +//////////////////////////////////////////////////////////////////////////////// diff --git a/smelt/glfw/CxImage/ximabmp.h b/smelt/glfw/CxImage/ximabmp.h new file mode 100644 index 0000000..c828de5 --- /dev/null +++ b/smelt/glfw/CxImage/ximabmp.h @@ -0,0 +1,79 @@ +/* + * File: ximabmp.h + * Purpose: BMP Image Class Loader and Writer + */ +/* ========================================================== + * CxImageBMP (c) 07/Aug/2001 Davide Pizzolato - www.xdp.it + * For conditions of distribution and use, see copyright notice in ximage.h + * + * Special thanks to Troels Knakkergaard for new features, enhancements and bugfixes + * + * original CImageBMP and CImageIterator implementation are: + * Copyright: (c) 1995, Alejandro Aguilar Sierra + * + * ========================================================== + */ + +#if !defined(__ximaBMP_h) +#define __ximaBMP_h + +#include "ximage.h" + +const int32_t RLE_COMMAND = 0; +const int32_t RLE_ENDOFLINE = 0; +const int32_t RLE_ENDOFBITMAP = 1; +const int32_t RLE_DELTA = 2; + +#if !defined(BI_RLE8) + #define BI_RLE8 1L +#endif +#if !defined(BI_RLE4) + #define BI_RLE4 2L +#endif + +#if CXIMAGE_SUPPORT_BMP + +class CxImageBMP: public CxImage +{ +public: + CxImageBMP(): CxImage(CXIMAGE_FORMAT_BMP) {}; + + bool Decode(CxFile * hFile); + bool Decode(FILE *hFile) { CxIOFile file(hFile); return Decode(&file); } + +#if CXIMAGE_SUPPORT_ENCODE + bool Encode(CxFile * hFile); + bool Encode(FILE *hFile) { CxIOFile file(hFile); return Encode(&file); } +#endif // CXIMAGE_SUPPORT_ENCODE + +protected: + bool DibReadBitmapInfo(CxFile* fh, BITMAPINFOHEADER *pdib); +}; + +#define BFT_ICON 0x4349 /* 'IC' */ +#define BFT_BITMAP 0x4d42 /* 'BM' */ +#define BFT_CURSOR 0x5450 /* 'PT' */ + +#ifndef WIDTHBYTES +#define WIDTHBYTES(i) ((unsigned)((i+31)&(~31))/8) /* ULONG aligned ! */ +#endif + +#endif + +#define DibWidthBytesN(lpbi, n) (uint32_t)WIDTHBYTES((uint32_t)(lpbi)->biWidth * (uint32_t)(n)) +#define DibWidthBytes(lpbi) DibWidthBytesN(lpbi, (lpbi)->biBitCount) + +#define DibSizeImage(lpbi) ((lpbi)->biSizeImage == 0 \ + ? ((uint32_t)(uint32_t)DibWidthBytes(lpbi) * (uint32_t)(uint32_t)(lpbi)->biHeight) \ + : (lpbi)->biSizeImage) + +#define DibNumColors(lpbi) ((lpbi)->biClrUsed == 0 && (lpbi)->biBitCount <= 8 \ + ? (int32_t)(1 << (int32_t)(lpbi)->biBitCount) \ + : (int32_t)(lpbi)->biClrUsed) + +#define FixBitmapInfo(lpbi) if ((lpbi)->biSizeImage == 0) \ + (lpbi)->biSizeImage = DibSizeImage(lpbi); \ + if ((lpbi)->biClrUsed == 0) \ + (lpbi)->biClrUsed = DibNumColors(lpbi); \ + +#endif diff --git a/smelt/glfw/CxImage/ximacfg.h b/smelt/glfw/CxImage/ximacfg.h new file mode 100644 index 0000000..875f517 --- /dev/null +++ b/smelt/glfw/CxImage/ximacfg.h @@ -0,0 +1,59 @@ +#if !defined(__ximaCFG_h) +#define __ximaCFG_h + +///////////////////////////////////////////////////////////////////////////// +// CxImage supported features +#define CXIMAGE_SUPPORT_ALPHA 1 +#define CXIMAGE_SUPPORT_SELECTION 0 +#define CXIMAGE_SUPPORT_TRANSFORMATION 1 +#define CXIMAGE_SUPPORT_DSP 0 +#define CXIMAGE_SUPPORT_LAYERS 0 +#define CXIMAGE_SUPPORT_INTERPOLATION 1 + +#define CXIMAGE_SUPPORT_DECODE 1 +#define CXIMAGE_SUPPORT_ENCODE 0 // +#define CXIMAGE_SUPPORT_WINDOWS 0 +#define CXIMAGE_SUPPORT_EXIF 0 + +///////////////////////////////////////////////////////////////////////////// +// CxImage supported formats +#define CXIMAGE_SUPPORT_BMP 1 +#define CXIMAGE_SUPPORT_GIF 1 +#define CXIMAGE_SUPPORT_JPG 1 +#define CXIMAGE_SUPPORT_PNG 1 +#define CXIMAGE_SUPPORT_ICO 0 +#define CXIMAGE_SUPPORT_TIF 0 +#define CXIMAGE_SUPPORT_TGA 0 +#define CXIMAGE_SUPPORT_PCX 1 +#define CXIMAGE_SUPPORT_WBMP 0 +#define CXIMAGE_SUPPORT_WMF 0 + +#define CXIMAGE_SUPPORT_JP2 0 +#define CXIMAGE_SUPPORT_JPC 0 +#define CXIMAGE_SUPPORT_PGX 0 +#define CXIMAGE_SUPPORT_PNM 0 +#define CXIMAGE_SUPPORT_RAS 0 + +#define CXIMAGE_SUPPORT_JBG 0 // GPL'd see ../jbig/copying.txt & ../jbig/patents.htm + +#define CXIMAGE_SUPPORT_MNG 0 +#define CXIMAGE_SUPPORT_SKA 0 +#define CXIMAGE_SUPPORT_RAW 0 +#define CXIMAGE_SUPPORT_PSD 0 + +///////////////////////////////////////////////////////////////////////////// +#define CXIMAGE_MAX_MEMORY 268435456 + +#define CXIMAGE_DEFAULT_DPI 96 + +#define CXIMAGE_ERR_NOFILE "null file handler" +#define CXIMAGE_ERR_NOIMAGE "null image!!!" + +//#define CXIMAGE_SUPPORT_EXCEPTION_HANDLING 1 +//!!Uncomment the last line when releasing +///////////////////////////////////////////////////////////////////////////// +//color to grey mapping +//#define RGB2GRAY(r,g,b) (((b)*114 + (g)*587 + (r)*299)/1000) +#define RGB2GRAY(r,g,b) (((b)*117 + (g)*601 + (r)*306) >> 10) + +#endif diff --git a/smelt/glfw/CxImage/ximadef.h b/smelt/glfw/CxImage/ximadef.h new file mode 100644 index 0000000..372ec13 --- /dev/null +++ b/smelt/glfw/CxImage/ximadef.h @@ -0,0 +1,205 @@ +#if !defined(__ximadefs_h) +#define __ximadefs_h + +#include "ximacfg.h" + +#if /*defined(_AFXDLL)||*/defined(_USRDLL) + #define DLL_EXP __declspec(dllexport) +#elif defined(_MSC_VER)&&(_MSC_VER<1200) + #define DLL_EXP __declspec(dllimport) +#else + #define DLL_EXP +#endif + + +#if CXIMAGE_SUPPORT_EXCEPTION_HANDLING + #define cx_try try + #define cx_throw(message) throw(message) + #define cx_catch catch (const char *message) +#else + #define cx_try bool cx_error=false; + #define cx_throw(message) {cx_error=true; if(strcmp(message,"")) strncpy(info.szLastError,message,255); goto cx_error_catch;} + #define cx_catch cx_error_catch: char message[]=""; if(cx_error) +#endif + + +#if CXIMAGE_SUPPORT_JP2 || CXIMAGE_SUPPORT_JPC || CXIMAGE_SUPPORT_PGX || CXIMAGE_SUPPORT_PNM || CXIMAGE_SUPPORT_RAS + #define CXIMAGE_SUPPORT_JASPER 1 +#else + #define CXIMAGE_SUPPORT_JASPER 0 +#endif + +#if CXIMAGE_SUPPORT_DSP +#undef CXIMAGE_SUPPORT_TRANSFORMATION + #define CXIMAGE_SUPPORT_TRANSFORMATION 1 +#endif + +#if CXIMAGE_SUPPORT_TRANSFORMATION || CXIMAGE_SUPPORT_TIF || CXIMAGE_SUPPORT_TGA || CXIMAGE_SUPPORT_BMP || CXIMAGE_SUPPORT_WINDOWS + #define CXIMAGE_SUPPORT_BASICTRANSFORMATIONS 1 +#endif + +#if CXIMAGE_SUPPORT_DSP || CXIMAGE_SUPPORT_TRANSFORMATION +#undef CXIMAGE_SUPPORT_INTERPOLATION + #define CXIMAGE_SUPPORT_INTERPOLATION 1 +#endif + +#if defined (_WIN32_WCE) + #undef CXIMAGE_SUPPORT_WMF + #define CXIMAGE_SUPPORT_WMF 0 +#endif + +#if !defined(WIN32) && !defined(_WIN32_WCE) + #undef CXIMAGE_SUPPORT_WINDOWS + #define CXIMAGE_SUPPORT_WINDOWS 0 +#endif + +#ifndef min +#define min(a,b) (((a)<(b))?(a):(b)) +#endif +#ifndef max +#define max(a,b) (((a)>(b))?(a):(b)) +#endif + +#ifndef PI + #define PI 3.141592653589793f +#endif + + +#if defined(WIN32) || defined(_WIN32_WCE) +#include +#include +#endif + +#include +#include + +#ifdef __BORLANDC__ + +#ifndef _COMPLEX_DEFINED + +typedef struct tagcomplex { + double x,y; +} _complex; + +#endif + +#define _cabs(c) sqrt(c.x*c.x+c.y*c.y) + +#endif + +#if defined(WIN32) || defined(_WIN32_WCE) + #include "stdint.h" +#endif + +#if !defined(WIN32) && !defined(_WIN32_WCE) + +#include +#include +#include +#include + +typedef uint32_t COLORREF; +typedef void* HANDLE; +typedef void* HRGN; + +#ifndef BOOL +#define BOOL bool +#endif + +#ifndef TRUE +#define TRUE true +#endif + +#ifndef FALSE +#define FALSE false +#endif + +#ifndef TCHAR +#define TCHAR char +#define _T +#endif + +typedef struct tagRECT +{ + int32_t left; + int32_t top; + int32_t right; + int32_t bottom; +} RECT; + +typedef struct tagPOINT +{ + int32_t x; + int32_t y; +} POINT; + +typedef struct tagRGBQUAD { + uint8_t rgbBlue; + uint8_t rgbGreen; + uint8_t rgbRed; + uint8_t rgbReserved; +} RGBQUAD; + +#pragma pack(1) + +typedef struct tagBITMAPINFOHEADER{ + uint32_t biSize; + int32_t biWidth; + int32_t biHeight; + uint16_t biPlanes; + uint16_t biBitCount; + uint32_t biCompression; + uint32_t biSizeImage; + int32_t biXPelsPerMeter; + int32_t biYPelsPerMeter; + uint32_t biClrUsed; + uint32_t biClrImportant; +} BITMAPINFOHEADER; + +typedef struct tagBITMAPFILEHEADER { + uint16_t bfType; + uint32_t bfSize; + uint16_t bfReserved1; + uint16_t bfReserved2; + uint32_t bfOffBits; +} BITMAPFILEHEADER; + +typedef struct tagBITMAPCOREHEADER { + uint32_t bcSize; + uint16_t bcWidth; + uint16_t bcHeight; + uint16_t bcPlanes; + uint16_t bcBitCount; +} BITMAPCOREHEADER; + +typedef struct tagRGBTRIPLE { + uint8_t rgbtBlue; + uint8_t rgbtGreen; + uint8_t rgbtRed; +} RGBTRIPLE; + +#pragma pack() + +#define BI_RGB 0L +#define BI_RLE8 1L +#define BI_RLE4 2L +#define BI_BITFIELDS 3L + +#define GetRValue(rgb) ((uint8_t)(rgb)) +#define GetGValue(rgb) ((uint8_t)(((uint16_t)(rgb)) >> 8)) +#define GetBValue(rgb) ((uint8_t)((rgb)>>16)) +#define RGB(r,g,b) ((COLORREF)(((uint8_t)(r)|((uint16_t)((uint8_t)(g))<<8))|(((uint32_t)(uint8_t)(b))<<16))) + +#ifndef _COMPLEX_DEFINED + +typedef struct tagcomplex { + double x,y; +} _complex; + +#endif + +#define _cabs(c) sqrt(c.x*c.x+c.y*c.y) + +#endif + +#endif //__ximadefs diff --git a/smelt/glfw/CxImage/ximadsp.cpp b/smelt/glfw/CxImage/ximadsp.cpp new file mode 100644 index 0000000..df73136 --- /dev/null +++ b/smelt/glfw/CxImage/ximadsp.cpp @@ -0,0 +1,3771 @@ +// xImaDsp.cpp : DSP functions +/* 07/08/2001 v1.00 - Davide Pizzolato - www.xdp.it + * CxImage version 7.0.0 31/Dec/2010 + */ + +#include "ximage.h" + +#include "ximaiter.h" + +#if CXIMAGE_SUPPORT_DSP + +//////////////////////////////////////////////////////////////////////////////// +/** + * Converts the image to B&W. + * The OptimalThreshold() function can be used for calculating the optimal threshold. + * \param level: the lightness threshold. + * \return true if everything is ok + */ +bool CxImage::Threshold(uint8_t level) +{ + if (!pDib) return false; + if (head.biBitCount == 1) return true; + + GrayScale(); + + CxImage tmp(head.biWidth,head.biHeight,1); + if (!tmp.IsValid()){ + strcpy(info.szLastError,tmp.GetLastError()); + return false; + } + + for (int32_t y=0;ylevel) + tmp.BlindSetPixelIndex(x,y,1); + else + tmp.BlindSetPixelIndex(x,y,0); + } + } + tmp.SetPaletteColor(0,0,0,0); + tmp.SetPaletteColor(1,255,255,255); + Transfer(tmp); + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Converts the image to B&W, using a threshold mask + * \param pThresholdMask: the lightness threshold mask. + * the pThresholdMask image must be grayscale with same with and height of the current image + * \return true if everything is ok + */ +bool CxImage::Threshold(CxImage* pThresholdMask) +{ + if (!pDib) return false; + if (head.biBitCount == 1) return true; + + if (!pThresholdMask) return false; + + if (!pThresholdMask->IsValid() || + !pThresholdMask->IsGrayScale() || + pThresholdMask->GetWidth() != GetWidth() || + pThresholdMask->GetHeight() != GetHeight()){ + strcpy(info.szLastError,"invalid ThresholdMask"); + return false; + } + + GrayScale(); + + CxImage tmp(head.biWidth,head.biHeight,1); + if (!tmp.IsValid()){ + strcpy(info.szLastError,tmp.GetLastError()); + return false; + } + + for (int32_t y=0;ypThresholdMask->BlindGetPixelIndex(x,y)) + tmp.BlindSetPixelIndex(x,y,1); + else + tmp.BlindSetPixelIndex(x,y,0); + } + } + tmp.SetPaletteColor(0,0,0,0); + tmp.SetPaletteColor(1,255,255,255); + Transfer(tmp); + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Filters only the pixels with a lightness less (or more) than the threshold level, + * and preserves the colors for the unfiltered pixels. + * \param level = the lightness threshold. + * \param bDirection = false: filter dark pixels, true: filter light pixels + * \param nBkgndColor = filtered pixels are set to nBkgndColor color + * \param bSetAlpha = if true, sets also the alpha component for the filtered pixels, with nBkgndColor.rgbReserved + * \return true if everything is ok + * \author [DP], [wangsongtao] + */ +//////////////////////////////////////////////////////////////////////////////// +bool CxImage::Threshold2(uint8_t level, bool bDirection, RGBQUAD nBkgndColor, bool bSetAlpha) +{ + if (!pDib) return false; + if (head.biBitCount == 1) return true; + + CxImage tmp(*this, true, false, false); + if (!tmp.IsValid()){ + strcpy(info.szLastError,tmp.GetLastError()); + return false; + } + + tmp.GrayScale(); + + int32_t xmin,xmax,ymin,ymax; + if (pSelection){ + xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right; + ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top; + } else { + xmin = ymin = 0; + xmax = head.biWidth; ymax=head.biHeight; + } + + for(int32_t y=ymin; y=level) BlindSetPixelColor(x,y,nBkgndColor,bSetAlpha); + } + } + } + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Extract RGB channels from the image. Each channel is an 8 bit grayscale image. + * \param r,g,b: pointers to CxImage objects, to store the splited channels + * \return true if everything is ok + */ +bool CxImage::SplitRGB(CxImage* r,CxImage* g,CxImage* b) +{ + if (!pDib) return false; + if (r==NULL && g==NULL && b==NULL) return false; + + CxImage tmpr(head.biWidth,head.biHeight,8); + CxImage tmpg(head.biWidth,head.biHeight,8); + CxImage tmpb(head.biWidth,head.biHeight,8); + + RGBQUAD color; + for(int32_t y=0; yTransfer(tmpr); + if (g) g->Transfer(tmpg); + if (b) b->Transfer(tmpb); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Extract CMYK channels from the image. Each channel is an 8 bit grayscale image. + * \param c,m,y,k: pointers to CxImage objects, to store the splited channels + * \return true if everything is ok + */ +bool CxImage::SplitCMYK(CxImage* c,CxImage* m,CxImage* y,CxImage* k) +{ + if (!pDib) return false; + if (c==NULL && m==NULL && y==NULL && k==NULL) return false; + + CxImage tmpc(head.biWidth,head.biHeight,8); + CxImage tmpm(head.biWidth,head.biHeight,8); + CxImage tmpy(head.biWidth,head.biHeight,8); + CxImage tmpk(head.biWidth,head.biHeight,8); + + RGBQUAD color; + for(int32_t yy=0; yyTransfer(tmpc); + if (m) m->Transfer(tmpm); + if (y) y->Transfer(tmpy); + if (k) k->Transfer(tmpk); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Extract YUV channels from the image. Each channel is an 8 bit grayscale image. + * \param y,u,v: pointers to CxImage objects, to store the splited channels + * \return true if everything is ok + */ +bool CxImage::SplitYUV(CxImage* y,CxImage* u,CxImage* v) +{ + if (!pDib) return false; + if (y==NULL && u==NULL && v==NULL) return false; + + CxImage tmpy(head.biWidth,head.biHeight,8); + CxImage tmpu(head.biWidth,head.biHeight,8); + CxImage tmpv(head.biWidth,head.biHeight,8); + + RGBQUAD color; + for(int32_t yy=0; yyTransfer(tmpy); + if (u) u->Transfer(tmpu); + if (v) v->Transfer(tmpv); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Extract YIQ channels from the image. Each channel is an 8 bit grayscale image. + * \param y,i,q: pointers to CxImage objects, to store the splited channels + * \return true if everything is ok + */ +bool CxImage::SplitYIQ(CxImage* y,CxImage* i,CxImage* q) +{ + if (!pDib) return false; + if (y==NULL && i==NULL && q==NULL) return false; + + CxImage tmpy(head.biWidth,head.biHeight,8); + CxImage tmpi(head.biWidth,head.biHeight,8); + CxImage tmpq(head.biWidth,head.biHeight,8); + + RGBQUAD color; + for(int32_t yy=0; yyTransfer(tmpy); + if (i) i->Transfer(tmpi); + if (q) q->Transfer(tmpq); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Extract XYZ channels from the image. Each channel is an 8 bit grayscale image. + * \param x,y,z: pointers to CxImage objects, to store the splited channels + * \return true if everything is ok + */ +bool CxImage::SplitXYZ(CxImage* x,CxImage* y,CxImage* z) +{ + if (!pDib) return false; + if (x==NULL && y==NULL && z==NULL) return false; + + CxImage tmpx(head.biWidth,head.biHeight,8); + CxImage tmpy(head.biWidth,head.biHeight,8); + CxImage tmpz(head.biWidth,head.biHeight,8); + + RGBQUAD color; + for(int32_t yy=0; yyTransfer(tmpx); + if (y) y->Transfer(tmpy); + if (z) z->Transfer(tmpz); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Extract HSL channels from the image. Each channel is an 8 bit grayscale image. + * \param h,s,l: pointers to CxImage objects, to store the splited channels + * \return true if everything is ok + */ +bool CxImage::SplitHSL(CxImage* h,CxImage* s,CxImage* l) +{ + if (!pDib) return false; + if (h==NULL && s==NULL && l==NULL) return false; + + CxImage tmph(head.biWidth,head.biHeight,8); + CxImage tmps(head.biWidth,head.biHeight,8); + CxImage tmpl(head.biWidth,head.biHeight,8); + + RGBQUAD color; + for(int32_t y=0; yTransfer(tmph); + if (s) s->Transfer(tmps); + if (l) l->Transfer(tmpl); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +#define HSLMAX 255 /* H,L, and S vary over 0-HSLMAX */ +#define RGBMAX 255 /* R,G, and B vary over 0-RGBMAX */ + /* HSLMAX BEST IF DIVISIBLE BY 6 */ + /* RGBMAX, HSLMAX must each fit in a uint8_t. */ +/* Hue is undefined if Saturation is 0 (grey-scale) */ +/* This value determines where the Hue scrollbar is */ +/* initially set for achromatic colors */ +#define HSLUNDEFINED (HSLMAX*2/3) +//////////////////////////////////////////////////////////////////////////////// +RGBQUAD CxImage::RGBtoHSL(RGBQUAD lRGBColor) +{ + uint8_t R,G,B; /* input RGB values */ + uint8_t H,L,S; /* output HSL values */ + uint8_t cMax,cMin; /* max and min RGB values */ + uint16_t Rdelta,Gdelta,Bdelta; /* intermediate value: % of spread from max*/ + + R = lRGBColor.rgbRed; /* get R, G, and B out of uint32_t */ + G = lRGBColor.rgbGreen; + B = lRGBColor.rgbBlue; + + cMax = max( max(R,G), B); /* calculate lightness */ + cMin = min( min(R,G), B); + L = (uint8_t)((((cMax+cMin)*HSLMAX)+RGBMAX)/(2*RGBMAX)); + + if (cMax==cMin){ /* r=g=b --> achromatic case */ + S = 0; /* saturation */ + H = HSLUNDEFINED; /* hue */ + } else { /* chromatic case */ + if (L <= (HSLMAX/2)) /* saturation */ + S = (uint8_t)((((cMax-cMin)*HSLMAX)+((cMax+cMin)/2))/(cMax+cMin)); + else + S = (uint8_t)((((cMax-cMin)*HSLMAX)+((2*RGBMAX-cMax-cMin)/2))/(2*RGBMAX-cMax-cMin)); + /* hue */ + Rdelta = (uint16_t)((((cMax-R)*(HSLMAX/6)) + ((cMax-cMin)/2) ) / (cMax-cMin)); + Gdelta = (uint16_t)((((cMax-G)*(HSLMAX/6)) + ((cMax-cMin)/2) ) / (cMax-cMin)); + Bdelta = (uint16_t)((((cMax-B)*(HSLMAX/6)) + ((cMax-cMin)/2) ) / (cMax-cMin)); + + if (R == cMax) + H = (uint8_t)(Bdelta - Gdelta); + else if (G == cMax) + H = (uint8_t)((HSLMAX/3) + Rdelta - Bdelta); + else /* B == cMax */ + H = (uint8_t)(((2*HSLMAX)/3) + Gdelta - Rdelta); + +// if (H < 0) H += HSLMAX; //always false + if (H > HSLMAX) H -= HSLMAX; + } + RGBQUAD hsl={L,S,H,0}; + return hsl; +} +//////////////////////////////////////////////////////////////////////////////// +float CxImage::HueToRGB(float n1,float n2, float hue) +{ + // fixed implementation for HSL2RGB routine + float rValue; + + if (hue > 360) + hue = hue - 360; + else if (hue < 0) + hue = hue + 360; + + if (hue < 60) + rValue = n1 + (n2-n1)*hue/60.0f; + else if (hue < 180) + rValue = n2; + else if (hue < 240) + rValue = n1+(n2-n1)*(240-hue)/60; + else + rValue = n1; + + return rValue; +} +//////////////////////////////////////////////////////////////////////////////// +RGBQUAD CxImage::HSLtoRGB(COLORREF cHSLColor) +{ + return HSLtoRGB(RGBtoRGBQUAD(cHSLColor)); +} +//////////////////////////////////////////////////////////////////////////////// +RGBQUAD CxImage::HSLtoRGB(RGBQUAD lHSLColor) +{ + // fixed implementation for HSL2RGB routine + float h,s,l; + float m1,m2; + uint8_t r,g,b; + + h = (float)lHSLColor.rgbRed * 360.0f/255.0f; + s = (float)lHSLColor.rgbGreen/255.0f; + l = (float)lHSLColor.rgbBlue/255.0f; + + if (l <= 0.5) m2 = l * (1+s); + else m2 = l + s - l*s; + + m1 = 2 * l - m2; + + if (s == 0) { + r=g=b=(uint8_t)(l*255.0f); + } else { + r = (uint8_t)(HueToRGB(m1,m2,h+120) * 255.0f); + g = (uint8_t)(HueToRGB(m1,m2,h) * 255.0f); + b = (uint8_t)(HueToRGB(m1,m2,h-120) * 255.0f); + } + + RGBQUAD rgb = {b,g,r,0}; + return rgb; +} +//////////////////////////////////////////////////////////////////////////////// +RGBQUAD CxImage::YUVtoRGB(RGBQUAD lYUVColor) +{ + int32_t U,V,R,G,B; + float Y = lYUVColor.rgbRed; + U = lYUVColor.rgbGreen - 128; + V = lYUVColor.rgbBlue - 128; + +// R = (int32_t)(1.164 * Y + 2.018 * U); +// G = (int32_t)(1.164 * Y - 0.813 * V - 0.391 * U); +// B = (int32_t)(1.164 * Y + 1.596 * V); + R = (int32_t)( Y + 1.403f * V); + G = (int32_t)( Y - 0.344f * U - 0.714f * V); + B = (int32_t)( Y + 1.770f * U); + + R= min(255,max(0,R)); + G= min(255,max(0,G)); + B= min(255,max(0,B)); + RGBQUAD rgb={(uint8_t)B,(uint8_t)G,(uint8_t)R,0}; + return rgb; +} +//////////////////////////////////////////////////////////////////////////////// +RGBQUAD CxImage::RGBtoYUV(RGBQUAD lRGBColor) +{ + int32_t Y,U,V,R,G,B; + R = lRGBColor.rgbRed; + G = lRGBColor.rgbGreen; + B = lRGBColor.rgbBlue; + +// Y = (int32_t)( 0.257 * R + 0.504 * G + 0.098 * B); +// U = (int32_t)( 0.439 * R - 0.368 * G - 0.071 * B + 128); +// V = (int32_t)(-0.148 * R - 0.291 * G + 0.439 * B + 128); + Y = (int32_t)(0.299f * R + 0.587f * G + 0.114f * B); + U = (int32_t)((B-Y) * 0.565f + 128); + V = (int32_t)((R-Y) * 0.713f + 128); + + Y= min(255,max(0,Y)); + U= min(255,max(0,U)); + V= min(255,max(0,V)); + RGBQUAD yuv={(uint8_t)V,(uint8_t)U,(uint8_t)Y,0}; + return yuv; +} +//////////////////////////////////////////////////////////////////////////////// +RGBQUAD CxImage::YIQtoRGB(RGBQUAD lYIQColor) +{ + int32_t I,Q,R,G,B; + float Y = lYIQColor.rgbRed; + I = lYIQColor.rgbGreen - 128; + Q = lYIQColor.rgbBlue - 128; + + R = (int32_t)( Y + 0.956f * I + 0.621f * Q); + G = (int32_t)( Y - 0.273f * I - 0.647f * Q); + B = (int32_t)( Y - 1.104f * I + 1.701f * Q); + + R= min(255,max(0,R)); + G= min(255,max(0,G)); + B= min(255,max(0,B)); + RGBQUAD rgb={(uint8_t)B,(uint8_t)G,(uint8_t)R,0}; + return rgb; +} +//////////////////////////////////////////////////////////////////////////////// +RGBQUAD CxImage::RGBtoYIQ(RGBQUAD lRGBColor) +{ + int32_t Y,I,Q,R,G,B; + R = lRGBColor.rgbRed; + G = lRGBColor.rgbGreen; + B = lRGBColor.rgbBlue; + + Y = (int32_t)( 0.2992f * R + 0.5868f * G + 0.1140f * B); + I = (int32_t)( 0.5960f * R - 0.2742f * G - 0.3219f * B + 128); + Q = (int32_t)( 0.2109f * R - 0.5229f * G + 0.3120f * B + 128); + + Y= min(255,max(0,Y)); + I= min(255,max(0,I)); + Q= min(255,max(0,Q)); + RGBQUAD yiq={(uint8_t)Q,(uint8_t)I,(uint8_t)Y,0}; + return yiq; +} +//////////////////////////////////////////////////////////////////////////////// +RGBQUAD CxImage::XYZtoRGB(RGBQUAD lXYZColor) +{ + int32_t X,Y,Z,R,G,B; + X = lXYZColor.rgbRed; + Y = lXYZColor.rgbGreen; + Z = lXYZColor.rgbBlue; + double k=1.088751; + + R = (int32_t)( 3.240479f * X - 1.537150f * Y - 0.498535f * Z * k); + G = (int32_t)( -0.969256f * X + 1.875992f * Y + 0.041556f * Z * k); + B = (int32_t)( 0.055648f * X - 0.204043f * Y + 1.057311f * Z * k); + + R= min(255,max(0,R)); + G= min(255,max(0,G)); + B= min(255,max(0,B)); + RGBQUAD rgb={(uint8_t)B,(uint8_t)G,(uint8_t)R,0}; + return rgb; +} +//////////////////////////////////////////////////////////////////////////////// +RGBQUAD CxImage::RGBtoXYZ(RGBQUAD lRGBColor) +{ + int32_t X,Y,Z,R,G,B; + R = lRGBColor.rgbRed; + G = lRGBColor.rgbGreen; + B = lRGBColor.rgbBlue; + + X = (int32_t)( 0.412453f * R + 0.357580f * G + 0.180423f * B); + Y = (int32_t)( 0.212671f * R + 0.715160f * G + 0.072169f * B); + Z = (int32_t)((0.019334f * R + 0.119193f * G + 0.950227f * B)*0.918483657f); + + //X= min(255,max(0,X)); + //Y= min(255,max(0,Y)); + //Z= min(255,max(0,Z)); + RGBQUAD xyz={(uint8_t)Z,(uint8_t)Y,(uint8_t)X,0}; + return xyz; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Generates a "rainbow" palette with saturated colors + * \param correction: 1 generates a single hue spectrum. 0.75 is nice for scientific applications. + */ +void CxImage::HuePalette(float correction) +{ + if (head.biClrUsed==0) return; + + for(uint32_t j=0; j 1.0f) blend = 1.0f; + int32_t a0 = (int32_t)(256*blend); + int32_t a1 = 256 - a0; + + bool bFullBlend = false; + if (blend > 0.999f) bFullBlend = true; + + RGBQUAD color,hsl; + if (head.biClrUsed==0){ + + int32_t xmin,xmax,ymin,ymax; + if (pSelection){ + xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right; + ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top; + } else { + xmin = ymin = 0; + xmax = head.biWidth; ymax=head.biHeight; + } + + for(int32_t y=ymin; y>8); + color.rgbBlue = (uint8_t)((hsl.rgbBlue * a0 + color.rgbBlue * a1)>>8); + color.rgbGreen = (uint8_t)((hsl.rgbGreen * a0 + color.rgbGreen * a1)>>8); + BlindSetPixelColor(x,y,color); + } + } + } + } + } else { + for(uint32_t j=0; j + for (int32_t i=0;i<256;i++) { + cTable[i] = (uint8_t)max(0,min(255,(int32_t)((i-128)*c + brightness + 0.5f))); + } + + return Lut(cTable); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \return mean lightness of the image. Useful with Threshold() and Light() + */ +float CxImage::Mean() +{ + if (!pDib) return 0; + + CxImage tmp(*this,true); + if (!tmp.IsValid()){ + strcpy(info.szLastError,tmp.GetLastError()); + return false; + } + + tmp.GrayScale(); + float sum=0; + + int32_t xmin,xmax,ymin,ymax; + if (pSelection){ + xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right; + ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top; + } else { + xmin = ymin = 0; + xmax = head.biWidth; ymax=head.biHeight; + } + if (xmin==xmax || ymin==ymax) return (float)0.0; + + uint8_t *iSrc=tmp.info.pImage; + iSrc += tmp.info.dwEffWidth*ymin; // necessary for selections + + for(int32_t y=ymin; y + for(int32_t x=xmin; x(y+j) || (y+j)>=head.biHeight) continue; + iY = iY2+x; + for(int32_t k=-k2;k(x+k) || (x+k)>=head.biWidth) continue; + i=kernel[iCount]; + b += cPtr[iY+k] * i; + ksumcur += i; + } + } + if (Kfactor==0 || ksumcur==0){ + cPtr2[iY1] = (uint8_t)min(255, max(0,(int32_t)(b + Koffset))); + } else if (ksumtot == ksumcur) { + cPtr2[iY1] = (uint8_t)min(255, max(0,(int32_t)(b/Kfactor + Koffset))); + } else { + cPtr2[iY1] = (uint8_t)min(255, max(0,(int32_t)((b*ksumtot)/(ksumcur*Kfactor) + Koffset))); + } + } + } + } + } + else + { + for(int32_t y=ymin; y r) r=c.rgbRed; + if (c.rgbGreen > g) g=c.rgbGreen; + if (c.rgbBlue > b) b=c.rgbBlue; + } + } + c.rgbRed = r; + c.rgbGreen = g; + c.rgbBlue = b; + tmp.BlindSetPixelColor(x,y,c); + } + } + } + Transfer(tmp); + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Enhance the variations between adjacent pixels. + * Similar results can be achieved using Filter(), + * but the algorithms are different both in Edge() and in Contour(). + * \param Ksize: size of the kernel. + * \return true if everything is ok + */ +bool CxImage::Edge(int32_t Ksize) +{ + if (!pDib) return false; + + int32_t k2 = Ksize/2; + int32_t kmax= Ksize-k2; + uint8_t r,g,b,rr,gg,bb; + RGBQUAD c; + + CxImage tmp(*this); + if (!tmp.IsValid()){ + strcpy(info.szLastError,tmp.GetLastError()); + return false; + } + + int32_t xmin,xmax,ymin,ymax; + if (pSelection){ + xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right; + ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top; + } else { + xmin = ymin = 0; + xmax = head.biWidth; ymax=head.biHeight; + } + + for(int32_t y=ymin; y r) r=c.rgbRed; + if (c.rgbGreen > g) g=c.rgbGreen; + if (c.rgbBlue > b) b=c.rgbBlue; + + if (c.rgbRed < rr) rr=c.rgbRed; + if (c.rgbGreen < gg) gg=c.rgbGreen; + if (c.rgbBlue < bb) bb=c.rgbBlue; + } + } + c.rgbRed = (uint8_t)(255-abs(r-rr)); + c.rgbGreen = (uint8_t)(255-abs(g-gg)); + c.rgbBlue = (uint8_t)(255-abs(b-bb)); + tmp.BlindSetPixelColor(x,y,c); + } + } + } + Transfer(tmp); + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Blends two images + * \param imgsrc2: image to be mixed with this + * \param op: blending method; see ImageOpType + * \param lXOffset, lYOffset: image displacement + * \param bMixAlpha: if true and imgsrc2 has a valid alpha layer, it will be mixed in the destination image. + * \return true if everything is ok + * \author [Mwolski],[brunom] + */ +void CxImage::Mix(CxImage & imgsrc2, ImageOpType op, int32_t lXOffset, int32_t lYOffset, bool bMixAlpha) +{ + int32_t lWide = min(GetWidth(),imgsrc2.GetWidth()-lXOffset); + int32_t lHeight = min(GetHeight(),imgsrc2.GetHeight()-lYOffset); + + bool bEditAlpha = false; + +#if CXIMAGE_SUPPORT_ALPHA + bEditAlpha = imgsrc2.AlphaIsValid() & bMixAlpha; + if (bEditAlpha && AlphaIsValid()==false){ + AlphaCreate(); + } +#endif //CXIMAGE_SUPPORT_ALPHA + + RGBQUAD rgbBackgrnd1 = GetTransColor(); + RGBQUAD rgb1, rgb2, rgbDest; + + for(int32_t lY=0;lY 250) ){ + rgbDest = rgb2; + } else { + // Alpha Blending with associative calculation merge + // (http://en.wikipedia.org/wiki/Alpha_compositing) + int32_t a0,a1,a2; + // Transparency of the superimposed image + a2 = rgb2.rgbReserved; + // Calculation transparency of the underlying image + a1 = (rgb1.rgbReserved * (255 - a2)) >> 8; + // total transparency of the new pixel + a0 = a2 + a1; + // New transparency assume (a0 == 0 is the restriction s.o. (range 5-250) intercepted) + if (bEditAlpha) rgbDest.rgbReserved = a0; + // each color channel to calculate + rgbDest.rgbBlue = (BYTE)((rgb2.rgbBlue * a2 + a1 * rgb1.rgbBlue )/a0); + rgbDest.rgbGreen = (BYTE)((rgb2.rgbGreen * a2 + a1 * rgb1.rgbGreen)/a0); + rgbDest.rgbRed = (BYTE)((rgb2.rgbRed * a2 + a1 * rgb1.rgbRed )/a0); + } + } else { + rgbDest = rgb1; + rgbDest.rgbReserved = 0; + } + break; + default: + return; + } + SetPixelColor(lX,lY,rgbDest,bEditAlpha); + } + } + } +} +//////////////////////////////////////////////////////////////////////////////// +// thanks to Kenneth Ballard +void CxImage::MixFrom(CxImage & imagesrc2, int32_t lXOffset, int32_t lYOffset) +{ + int32_t width = imagesrc2.GetWidth(); + int32_t height = imagesrc2.GetHeight(); + + int32_t x, y; + + if (imagesrc2.IsTransparent()) { + for(x = 0; x < width; x++) { + for(y = 0; y < height; y++) { + if(!imagesrc2.IsTransparent(x,y)){ + SetPixelColor(x + lXOffset, y + lYOffset, imagesrc2.BlindGetPixelColor(x, y)); + } + } + } + } else { //no transparency so just set it + for(x = 0; x < width; x++) { + for(y = 0; y < height; y++) { + SetPixelColor(x + lXOffset, y + lYOffset, imagesrc2.BlindGetPixelColor(x, y)); + } + } + } +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Adjusts separately the red, green, and blue values in the image. + * \param r, g, b: can be from -255 to +255. + * \return true if everything is ok + */ +bool CxImage::ShiftRGB(int32_t r, int32_t g, int32_t b) +{ + if (!pDib) return false; + RGBQUAD color; + if (head.biClrUsed==0){ + + int32_t xmin,xmax,ymin,ymax; + if (pSelection){ + xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right; + ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top; + } else { + xmin = ymin = 0; + xmax = head.biWidth; ymax=head.biHeight; + } + + for(int32_t y=ymin; y + for (int32_t i=0;i<256;i++) { + cTable[i] = (uint8_t)max(0,min(255,(int32_t)( pow((double)i, dinvgamma) / dMax))); + } + + return Lut(cTable); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Adjusts the color balance indipendent for each color channel + * \param gammaR, gammaG, gammaB can be from 0.1 to 5. + * \return true if everything is ok + * \sa Gamma + */ +bool CxImage::GammaRGB(float gammaR, float gammaG, float gammaB) +{ + if (!pDib) return false; + + if (gammaR <= 0.0f) return false; + if (gammaG <= 0.0f) return false; + if (gammaB <= 0.0f) return false; + + double dinvgamma, dMax; + int32_t i; + + dinvgamma = 1/gammaR; + dMax = pow(255.0, dinvgamma) / 255.0; + uint8_t cTableR[256]; + for (i=0;i<256;i++) { + cTableR[i] = (uint8_t)max(0,min(255,(int32_t)( pow((double)i, dinvgamma) / dMax))); + } + + dinvgamma = 1/gammaG; + dMax = pow(255.0, dinvgamma) / 255.0; + uint8_t cTableG[256]; + for (i=0;i<256;i++) { + cTableG[i] = (uint8_t)max(0,min(255,(int32_t)( pow((double)i, dinvgamma) / dMax))); + } + + dinvgamma = 1/gammaB; + dMax = pow(255.0, dinvgamma) / 255.0; + uint8_t cTableB[256]; + for (i=0;i<256;i++) { + cTableB[i] = (uint8_t)max(0,min(255,(int32_t)( pow((double)i, dinvgamma) / dMax))); + } + + return Lut(cTableR, cTableG, cTableB); +} +//////////////////////////////////////////////////////////////////////////////// + +//#if !defined (_WIN32_WCE) +/** + * Adjusts the intensity of each pixel to the median intensity of its surrounding pixels. + * \param Ksize: size of the kernel. + * \return true if everything is ok + */ +bool CxImage::Median(int32_t Ksize) +{ + if (!pDib) return false; + + int32_t k2 = Ksize/2; + int32_t kmax= Ksize-k2; + int32_t i,j,k; + + RGBQUAD* kernel = (RGBQUAD*)malloc(Ksize*Ksize*sizeof(RGBQUAD)); + + CxImage tmp(*this); + if (!tmp.IsValid()){ + strcpy(info.szLastError,tmp.GetLastError()); + return false; + } + + int32_t xmin,xmax,ymin,ymax; + if (pSelection){ + xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right; + ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top; + } else { + xmin = ymin = 0; + xmax = head.biWidth; ymax=head.biHeight; + } + + for(int32_t y=ymin; y + for(int32_t x=xmin; xGetWidth(); + h=srcReal->GetHeight(); + } else { + w=srcImag->GetWidth(); + h=srcImag->GetHeight(); + } + + bool bXpow2 = IsPowerof2(w); + bool bYpow2 = IsPowerof2(h); + //if bForceFFT, width AND height must be powers of 2 + if (bForceFFT && !(bXpow2 && bYpow2)) { + int32_t i; + + i=0; + while((1< copy the image + if (srcReal && dstReal) tmpReal->Copy(*srcReal,true,false,false); + if (srcImag && dstImag) tmpImag->Copy(*srcImag,true,false,false); + + // dst&&src are empty -> create new one, else turn to GrayScale + if (srcReal==0 && dstReal==0){ + tmpReal = new CxImage(w,h,8); + tmpReal->Clear(0); + tmpReal->SetGrayPalette(); + } else { + if (!tmpReal->IsGrayScale()) tmpReal->GrayScale(); + } + if (srcImag==0 && dstImag==0){ + tmpImag = new CxImage(w,h,8); + tmpImag->Clear(0); + tmpImag->SetGrayPalette(); + } else { + if (!tmpImag->IsGrayScale()) tmpImag->GrayScale(); + } + + if (!(tmpReal->IsValid() && tmpImag->IsValid())){ + if (srcReal==0 && dstReal==0) delete tmpReal; + if (srcImag==0 && dstImag==0) delete tmpImag; + return false; + } + + //resample for FFT, if necessary + tmpReal->Resample(w,h,0); + tmpImag->Resample(w,h,0); + + //ok, here we have 2 (w x h), grayscale images ready for a FFT + + double* real; + double* imag; + int32_t j,k,m; + + _complex **grid; + //double mean = tmpReal->Mean(); + /* Allocate memory for the grid */ + grid = (_complex **)malloc(w * sizeof(_complex)); + for (k=0;kGetPixelIndex(k,j)-128; + grid[k][j].y = tmpImag->GetPixelIndex(k,j)-128; + } + } + + //DFT buffers + double *real2,*imag2; + real2 = (double*)malloc(max(w,h) * sizeof(double)); + imag2 = (double*)malloc(max(w,h) * sizeof(double)); + + /* Transform the rows */ + real = (double *)malloc(w * sizeof(double)); + imag = (double *)malloc(w * sizeof(double)); + + m=0; + while((1<SetPixelIndex(k,j,(uint8_t)max(0,min(255,(nn*(3+log(_cabs(grid[k][j]))))))); + if (grid[k][j].x==0){ + tmpImag->SetPixelIndex(k,j,(uint8_t)max(0,min(255,(128+(atan(grid[k][j].y/0.0000000001)*nn))))); + } else { + tmpImag->SetPixelIndex(k,j,(uint8_t)max(0,min(255,(128+(atan(grid[k][j].y/grid[k][j].x)*nn))))); + } + } else { + tmpReal->SetPixelIndex(k,j,(uint8_t)max(0,min(255,(128 + grid[k][j].x*nn)))); + tmpImag->SetPixelIndex(k,j,(uint8_t)max(0,min(255,(128 + grid[k][j].y*nn)))); + } + } + } + + for (k=0;k> 1; + j = 0; + for (i=0;i>= 1; + } + j += k; + } + + /* Compute the FFT */ + c1 = -1.0; + c2 = 0.0; + l2 = 1; + for (l=0;lGetWidth(); + int32_t h = r->GetHeight(); + + Create(w,h,24); + + g->Resample(w,h); + b->Resample(w,h); + + if (a) { + a->Resample(w,h); +#if CXIMAGE_SUPPORT_ALPHA + AlphaCreate(); +#endif //CXIMAGE_SUPPORT_ALPHA + } + + RGBQUAD c; + for (int32_t y=0;y + for (int32_t x=0;xGetPixelIndex(x,y); + c.rgbGreen=g->GetPixelIndex(x,y); + c.rgbBlue=b->GetPixelIndex(x,y); + switch (colorspace){ + case 1: + BlindSetPixelColor(x,y,HSLtoRGB(c)); + break; + case 2: + BlindSetPixelColor(x,y,YUVtoRGB(c)); + break; + case 3: + BlindSetPixelColor(x,y,YIQtoRGB(c)); + break; + case 4: + BlindSetPixelColor(x,y,XYZtoRGB(c)); + break; + default: + BlindSetPixelColor(x,y,c); + } +#if CXIMAGE_SUPPORT_ALPHA + if (a) AlphaSet(x,y,a->GetPixelIndex(x,y)); +#endif //CXIMAGE_SUPPORT_ALPHA + } + } + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Smart blurring to remove small defects, dithering or artifacts. + * \param radius: normally between 0.01 and 0.5 + * \param niterations: should be trimmed with radius, to avoid blurring should be (radius*niterations)<1 + * \param colorspace: 0 = RGB, 1 = HSL, 2 = YUV, 3 = YIQ, 4 = XYZ + * \return true if everything is ok + */ +bool CxImage::Repair(float radius, int32_t niterations, int32_t colorspace) +{ + if (!IsValid()) return false; + + int32_t w = GetWidth(); + int32_t h = GetHeight(); + + CxImage r,g,b; + + r.Create(w,h,8); + g.Create(w,h,8); + b.Create(w,h,8); + + switch (colorspace){ + case 1: + SplitHSL(&r,&g,&b); + break; + case 2: + SplitYUV(&r,&g,&b); + break; + case 3: + SplitYIQ(&r,&g,&b); + break; + case 4: + SplitXYZ(&r,&g,&b); + break; + default: + SplitRGB(&r,&g,&b); + } + + for (int32_t i=0; iGetWidth()-1; + int32_t h = ch->GetHeight()-1; + + double correction,ix,iy,ixx,ixy,iyy; + int32_t x,y,xy0,xp1,xm1,yp1,ym1; + + for(x=1; xBlindGetPixelIndex(x,y); + xm1 = ch->BlindGetPixelIndex(x-1,y); + xp1 = ch->BlindGetPixelIndex(x+1,y); + ym1 = ch->BlindGetPixelIndex(x,y-1); + yp1 = ch->BlindGetPixelIndex(x,y+1); + + ix= (xp1-xm1)/2.0; + iy= (yp1-ym1)/2.0; + ixx= xp1 - 2.0 * xy0 + xm1; + iyy= yp1 - 2.0 * xy0 + ym1; + ixy=(ch->BlindGetPixelIndex(x+1,y+1) + ch->BlindGetPixelIndex(x-1,y-1) - + ch->BlindGetPixelIndex(x-1,y+1) - ch->BlindGetPixelIndex(x+1,y-1))/4.0; + + correction = ((1.0+iy*iy)*ixx - ix*iy*ixy + (1.0+ix*ix)*iyy)/(1.0+ix*ix+iy*iy); + + tmp.BlindSetPixelIndex(x,y,(uint8_t)min(255,max(0,(xy0 + radius * correction + 0.5)))); + } + } + + for (x=0;x<=w;x++){ + for(y=0; y<=h; y+=h){ + xy0 = ch->BlindGetPixelIndex(x,y); + xm1 = ch->GetPixelIndex(x-1,y); + xp1 = ch->GetPixelIndex(x+1,y); + ym1 = ch->GetPixelIndex(x,y-1); + yp1 = ch->GetPixelIndex(x,y+1); + + ix= (xp1-xm1)/2.0; + iy= (yp1-ym1)/2.0; + ixx= xp1 - 2.0 * xy0 + xm1; + iyy= yp1 - 2.0 * xy0 + ym1; + ixy=(ch->GetPixelIndex(x+1,y+1) + ch->GetPixelIndex(x-1,y-1) - + ch->GetPixelIndex(x-1,y+1) - ch->GetPixelIndex(x+1,y-1))/4.0; + + correction = ((1.0+iy*iy)*ixx - ix*iy*ixy + (1.0+ix*ix)*iyy)/(1.0+ix*ix+iy*iy); + + tmp.BlindSetPixelIndex(x,y,(uint8_t)min(255,max(0,(xy0 + radius * correction + 0.5)))); + } + } + for (x=0;x<=w;x+=w){ + for (y=0;y<=h;y++){ + xy0 = ch->BlindGetPixelIndex(x,y); + xm1 = ch->GetPixelIndex(x-1,y); + xp1 = ch->GetPixelIndex(x+1,y); + ym1 = ch->GetPixelIndex(x,y-1); + yp1 = ch->GetPixelIndex(x,y+1); + + ix= (xp1-xm1)/2.0; + iy= (yp1-ym1)/2.0; + ixx= xp1 - 2.0 * xy0 + xm1; + iyy= yp1 - 2.0 * xy0 + ym1; + ixy=(ch->GetPixelIndex(x+1,y+1) + ch->GetPixelIndex(x-1,y-1) - + ch->GetPixelIndex(x-1,y+1) - ch->GetPixelIndex(x+1,y-1))/4.0; + + correction = ((1.0+iy*iy)*ixx - ix*iy*ixy + (1.0+ix*ix)*iyy)/(1.0+ix*ix+iy*iy); + + tmp.BlindSetPixelIndex(x,y,(uint8_t)min(255,max(0,(xy0 + radius * correction + 0.5)))); + } + } + + ch->Transfer(tmp); + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Enhance the variations between adjacent pixels. + * Similar results can be achieved using Filter(), + * but the algorithms are different both in Edge() and in Contour(). + * \return true if everything is ok + */ +bool CxImage::Contour() +{ + if (!pDib) return false; + + int32_t Ksize = 3; + int32_t k2 = Ksize/2; + int32_t kmax= Ksize-k2; + int32_t i,j,k; + uint8_t maxr,maxg,maxb; + RGBQUAD pix1,pix2; + + CxImage tmp(*this); + if (!tmp.IsValid()){ + strcpy(info.szLastError,tmp.GetLastError()); + return false; + } + + int32_t xmin,xmax,ymin,ymax; + if (pSelection){ + xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right; + ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top; + } else { + xmin = ymin = 0; + xmax = head.biWidth; ymax=head.biHeight; + } + + for(int32_t y=ymin; ymaxb) maxb = pix2.rgbBlue; + if ((pix2.rgbGreen-pix1.rgbGreen)>maxg) maxg = pix2.rgbGreen; + if ((pix2.rgbRed-pix1.rgbRed)>maxr) maxr = pix2.rgbRed; + } + } + pix1.rgbBlue=(uint8_t)(255-maxb); + pix1.rgbGreen=(uint8_t)(255-maxg); + pix1.rgbRed=(uint8_t)(255-maxr); + tmp.BlindSetPixelColor(x,y,pix1); + } + } + } + Transfer(tmp); + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Adds a random offset to each pixel in the image + * \param radius: maximum pixel displacement + * \return true if everything is ok + */ +bool CxImage::Jitter(int32_t radius) +{ + if (!pDib) return false; + + int32_t nx,ny; + + CxImage tmp(*this); + if (!tmp.IsValid()){ + strcpy(info.szLastError,tmp.GetLastError()); + return false; + } + + int32_t xmin,xmax,ymin,ymax; + if (pSelection){ + xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right; + ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top; + } else { + xmin = ymin = 0; + xmax = head.biWidth; ymax=head.biHeight; + } + + for(int32_t y=ymin; y modified scaling, so that matrix_lenght = 1+2*radius parameter + */ + radius = (float)fabs(0.5*radius) + 0.25f; + + std_dev = radius; + radius = std_dev * 2; + + /* go out 'radius' in each direction */ + matrix_length = int32_t (2 * ceil(radius-0.5) + 1); + if (matrix_length <= 0) matrix_length = 1; + matrix_midpoint = matrix_length/2 + 1; + *cmatrix_p = new float[matrix_length]; + cmatrix = *cmatrix_p; + + /* Now we fill the matrix by doing a numeric integration approximation + * from -2*std_dev to 2*std_dev, sampling 50 points per pixel. + * We do the bottom half, mirror it to the top half, then compute the + * center point. Otherwise asymmetric quantization errors will occur. + * The formula to integrate is e^-(x^2/2s^2). + */ + + /* first we do the top (right) half of matrix */ + for (i = matrix_length/2 + 1; i < matrix_length; i++) + { + float base_x = i - (float)floor((float)(matrix_length/2)) - 0.5f; + sum = 0; + for (j = 1; j <= 50; j++) + { + if ( base_x+0.02*j <= radius ) + sum += (float)exp (-(base_x+0.02*j)*(base_x+0.02*j) / + (2*std_dev*std_dev)); + } + cmatrix[i] = sum/50; + } + + /* mirror the thing to the bottom half */ + for (i=0; i<=matrix_length/2; i++) { + cmatrix[i] = cmatrix[matrix_length-1-i]; + } + + /* find center val -- calculate an odd number of quanta to make it symmetric, + * even if the center point is weighted slightly higher than others. */ + sum = 0; + for (j=0; j<=50; j++) + { + sum += (float)exp (-(0.5+0.02*j)*(0.5+0.02*j) / + (2*std_dev*std_dev)); + } + cmatrix[matrix_length/2] = sum/51; + + /* normalize the distribution by scaling the total sum to one */ + sum=0; + for (i=0; i y) + { + for (row = 0; row < y ; row++) + { + scale=0; + /* find the scale factor */ + for (j = 0; j < y ; j++) + { + /* if the index is in bounds, add it to the scale counter */ + if ((j + cmatrix_middle - row >= 0) && + (j + cmatrix_middle - row < cmatrix_length)) + scale += cmatrix[j + cmatrix_middle - row]; + } + for (i = 0; i= row - cmatrix_middle) && + (j <= row + cmatrix_middle)) + sum += cur_col[j*bytes + i] * cmatrix[j]; + } + dest_col[row*bytes + i] = (uint8_t)(0.5f + sum / scale); + } + } + } + else + { + /* for the edge condition, we only use available info and scale to one */ + for (row = 0; row < cmatrix_middle; row++) + { + /* find scale factor */ + scale=0; + for (j = cmatrix_middle - row; j0; j--) + { + sum += *(ctable_p + *cur_col_p1); + cur_col_p1 += bytes; + ctable_p += 256; + } + cur_col_p++; + *(dest_col_p++) = (uint8_t)(0.5f + sum); + } + } + + /* for the edge condition , we only use available info, and scale to one */ + for (; row < y; row++) + { + /* find scale factor */ + scale=0; + for (j = 0; j< y-row + cmatrix_middle; j++) + scale += cmatrix[j]; + for (i = 0; ihead.biWidth; + ymax = iSrc->head.biHeight; + + if (xmin==xmax || ymin==ymax) return; + + nmin = xmin * bytes; + nmax = xmax * bytes; + + CImageIterator itSrc(iSrc); + CImageIterator itTmp(iDst); + + double dbScaler = 100.0f/(ymax-ymin)/bytes; + + for (n=0; n=pivot){ + while (z1) ? ((m/bytes)/decay+1) : m/bytes; + if (m>max_depth) m = max_depth; + step = (uint8_t)((pSrc[x+bytes]-pSrc[x])/(m+1)); + while (m-->1){ + pDst[x+m*bytes] = (uint8_t)(pDst[x]+(step*(m+1))); + } + } + //find lower corner + z=x+bytes; + if (pSrc[x]=pivot){ + while (z1) ? ((m/bytes)/decay+1) : m/bytes; + if (m>max_depth) m = max_depth; + step = (uint8_t)((pSrc[x+bytes]-pSrc[x])/(m+1)); + while (m-->1){ + pDst[x+m*bytes] = (uint8_t)(pDst[x]+(step*(m+1))); + } + } + } + //scan right to left + for (x=nmax-1-n /*,i=(xmax-1)*/; x>0; x-=bytes /*,i--*/) + { + z=x-bytes; + pivot = pSrc[z]-threshold; + //find upper corner + if (pSrc[x]=pivot){ + while (z>n && pSrc2[z]1) ? ((m/bytes)/decay+1) : m/bytes; + if (m>max_depth) m = max_depth; + step = (uint8_t)((pSrc[x-bytes]-pSrc[x])/(m+1)); + while (m-->1){ + pDst[x-m*bytes] = (uint8_t)(pDst[x]+(step*(m+1))); + } + } + //find lower corner + z=x-bytes; + if (pSrc[x]=pivot){ + while (z>n && pSrc3[z]1) ? ((m/bytes)/decay+1) : m/bytes; + if (m>max_depth) m = max_depth; + step = (uint8_t)((pSrc[x-bytes]-pSrc[x])/(m+1)); + while (m-->1){ + pDst[x-m*bytes] = (uint8_t)(pDst[x]+(step*(m+1))); + } + } + } + } + } +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \author [DP] + */ +bool CxImage::TextBlur(uint8_t threshold, uint8_t decay, uint8_t max_depth, bool bBlurHorizontal, bool bBlurVertical, CxImage* iDst) +{ + if (!pDib) return false; + + RGBQUAD* pPalette=NULL; + uint16_t bpp = GetBpp(); + + //the routine is optimized for RGB or GrayScale images + if (!(head.biBitCount == 24 || IsGrayScale())){ + pPalette = new RGBQUAD[head.biClrUsed]; + memcpy(pPalette, GetPalette(),GetPaletteSize()); + if (!IncreaseBpp(24)) + return false; + } + + CxImage tmp(*this); + if (!tmp.IsValid()){ + strcpy(info.szLastError,tmp.GetLastError()); + return false; + } + + if (bBlurHorizontal) + blur_text(threshold, decay, max_depth, this, &tmp, head.biBitCount>>3); + + if (bBlurVertical){ + CxImage src2(*this); + src2.RotateLeft(); + tmp.RotateLeft(); + blur_text(threshold, decay, max_depth, &src2, &tmp, head.biBitCount>>3); + tmp.RotateRight(); + } + +#if CXIMAGE_SUPPORT_SELECTION + //restore the non selected region + if (pSelection){ + for(int32_t y=0; yTransfer(tmp); + else Transfer(tmp); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \author [nipper]; changes [DP] + */ +bool CxImage::GaussianBlur(float radius /*= 1.0f*/, CxImage* iDst /*= 0*/) +{ + if (!pDib) return false; + + RGBQUAD* pPalette=NULL; + uint16_t bpp = GetBpp(); + + //the routine is optimized for RGB or GrayScale images + if (!(head.biBitCount == 24 || IsGrayScale())){ + pPalette = new RGBQUAD[head.biClrUsed]; + memcpy(pPalette, GetPalette(),GetPaletteSize()); + if (!IncreaseBpp(24)) + return false; + } + + CxImage tmp_x(*this, false, true, true); + if (!tmp_x.IsValid()){ + strcpy(info.szLastError,tmp_x.GetLastError()); + return false; + } + + // generate convolution matrix and make sure it's smaller than each dimension + float *cmatrix = NULL; + int32_t cmatrix_length = gen_convolve_matrix(radius, &cmatrix); + // generate lookup table + float *ctable = gen_lookup_table(cmatrix, cmatrix_length); + + int32_t x,y; + int32_t bypp = head.biBitCount>>3; + + CImageIterator itSrc(this); + CImageIterator itTmp(&tmp_x); + + double dbScaler = 50.0f/head.biHeight; + + // blur the rows + for (y=0;yTransfer(tmp_y); + else Transfer(tmp_y); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \author [DP],[nipper] + */ +bool CxImage::SelectiveBlur(float radius, uint8_t threshold, CxImage* iDst) +{ + if (!pDib) return false; + + RGBQUAD* pPalette=NULL; + uint16_t bpp = GetBpp(); + + CxImage Tmp(*this, true, true, true); + if (!Tmp.IsValid()){ + strcpy(info.szLastError,Tmp.GetLastError()); + return false; + } + + //the routine is optimized for RGB or GrayScale images + if (!(head.biBitCount == 24 || IsGrayScale())){ + pPalette = new RGBQUAD[head.biClrUsed]; + memcpy(pPalette, GetPalette(),GetPaletteSize()); + if (!Tmp.IncreaseBpp(24)){ + delete [] pPalette; + return false; + } + } + + CxImage Dst(Tmp, true, true, true); + if (!Dst.IsValid()){ + strcpy(info.szLastError,Dst.GetLastError()); + delete [] pPalette; + return false; + } + + //build the difference mask + uint8_t thresh_dw = (uint8_t)max( 0 ,(int32_t)(128 - threshold)); + uint8_t thresh_up = (uint8_t)min(255,(int32_t)(128 + threshold)); + int32_t kernel[]={-100,-100,-100,-100,801,-100,-100,-100,-100}; + if (!Tmp.Filter(kernel,3,800,128)){ + strcpy(info.szLastError,Tmp.GetLastError()); + delete [] pPalette; + return false; + } + + //if the image has no selection, build a selection for the whole image +#if CXIMAGE_SUPPORT_SELECTION + if (!Tmp.SelectionIsValid()){ + Tmp.SelectionCreate(); + Tmp.SelectionClear(255); + } + + int32_t xmin,xmax,ymin,ymax; + xmin = Tmp.info.rSelectionBox.left; + xmax = Tmp.info.rSelectionBox.right; + ymin = Tmp.info.rSelectionBox.bottom; + ymax = Tmp.info.rSelectionBox.top; + + //modify the selection where the difference mask is over the threshold + for(int32_t y=ymin; y thresh_up) || + (c.rgbGreen < thresh_dw || c.rgbGreen > thresh_up) || + (c.rgbBlue < thresh_dw || c.rgbBlue > thresh_up)) + { + Tmp.SelectionSet(x,y,0); + } + } + } + } + + //blur the image (only in the selected pixels) + Dst.SelectionCopy(Tmp); + if (!Dst.GaussianBlur(radius)){ + strcpy(info.szLastError,Dst.GetLastError()); + delete [] pPalette; + return false; + } + + //restore the original selection + Dst.SelectionCopy(*this); +#endif //CXIMAGE_SUPPORT_SELECTION + + //if necessary, restore the original BPP and palette + if (pPalette){ + Dst.DecreaseBpp(bpp, false, pPalette); + delete [] pPalette; + } + + if (iDst) iDst->Transfer(Dst); + else Transfer(Dst); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * sharpen the image by subtracting a blurred copy from the original image. + * \param radius: width in pixels of the blurring effect. Range: >0; default = 5. + * \param amount: strength of the filter. Range: 0.0 (none) to 1.0 (max); default = 0.5 + * \param threshold: difference, between blurred and original pixel, to trigger the filter + * Range: 0 (always triggered) to 255 (never triggered); default = 0. + * \return true if everything is ok + * \author [nipper]; changes [DP] + */ +bool CxImage::UnsharpMask(float radius /*= 5.0*/, float amount /*= 0.5*/, int32_t threshold /*= 0*/) +{ + if (!pDib) return false; + + RGBQUAD* pPalette=NULL; + uint16_t bpp = GetBpp(); + + //the routine is optimized for RGB or GrayScale images + if (!(head.biBitCount == 24 || IsGrayScale())){ + pPalette = new RGBQUAD[head.biClrUsed]; + memcpy(pPalette, GetPalette(),GetPaletteSize()); + if (!IncreaseBpp(24)) + return false; + } + + CxImage iDst; + if (!GaussianBlur(radius,&iDst)) + return false; + + CImageIterator itSrc(this); + CImageIterator itDst(&iDst); + + int32_t xmin,xmax,ymin,ymax; + if (pSelection){ + xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right; + ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top; + } else { + xmin = ymin = 0; + xmax = head.biWidth; ymax=head.biHeight; + } + + if (xmin==xmax || ymin==ymax) + return false; + + double dbScaler = 100.0/(ymax-ymin); + int32_t bypp = head.biBitCount>>3; + + // merge the source and destination (which currently contains + // the blurred version) images + for (int32_t y=ymin; y + for(int32_t x=xmin; x1.0f) strength = 1.0f; + + for(int32_t y=ymin; ylevel){ + BlindSetPixelIndex(x,y,255-index); + } + } + } + } + } else { //PALETTE, full image + RGBQUAD* ppal=GetPalette(); + for(uint32_t i=0;ilevel){ + ppal[i].rgbBlue =(uint8_t)(255-ppal[i].rgbBlue); + ppal[i].rgbGreen =(uint8_t)(255-ppal[i].rgbGreen); + ppal[i].rgbRed =(uint8_t)(255-ppal[i].rgbRed); + } + } else { + if (color.rgbBlue>level) ppal[i].rgbBlue =(uint8_t)(255-ppal[i].rgbBlue); + if (color.rgbGreen>level) ppal[i].rgbGreen =(uint8_t)(255-ppal[i].rgbGreen); + if (color.rgbRed>level) ppal[i].rgbRed =(uint8_t)(255-ppal[i].rgbRed); + } + } + } + } else { //RGB, selection + for(int32_t y=ymin; ylevel){ + color.rgbRed = (uint8_t)(255-color.rgbRed); + color.rgbGreen = (uint8_t)(255-color.rgbGreen); + color.rgbBlue = (uint8_t)(255-color.rgbBlue); + } + } else { + if (color.rgbBlue>level) color.rgbBlue =(uint8_t)(255-color.rgbBlue); + if (color.rgbGreen>level) color.rgbGreen =(uint8_t)(255-color.rgbGreen); + if (color.rgbRed>level) color.rgbRed =(uint8_t)(255-color.rgbRed); + } + BlindSetPixelColor(x,y,color); + } + } + } + } + + //invert transparent color only in case of full image processing + if (pSelection==0 || (!IsGrayScale() && IsIndexed())){ + if (bLinkedChannels){ + if ((uint8_t)RGB2GRAY(info.nBkgndColor.rgbRed,info.nBkgndColor.rgbGreen,info.nBkgndColor.rgbBlue)>level){ + info.nBkgndColor.rgbBlue = (uint8_t)(255-info.nBkgndColor.rgbBlue); + info.nBkgndColor.rgbGreen = (uint8_t)(255-info.nBkgndColor.rgbGreen); + info.nBkgndColor.rgbRed = (uint8_t)(255-info.nBkgndColor.rgbRed); + } + } else { + if (info.nBkgndColor.rgbBlue>level) info.nBkgndColor.rgbBlue = (uint8_t)(255-info.nBkgndColor.rgbBlue); + if (info.nBkgndColor.rgbGreen>level) info.nBkgndColor.rgbGreen = (uint8_t)(255-info.nBkgndColor.rgbGreen); + if (info.nBkgndColor.rgbRed>level) info.nBkgndColor.rgbRed = (uint8_t)(255-info.nBkgndColor.rgbRed); + } + } + + return true; +} + +//////////////////////////////////////////////////////////////////////////////// +/** + * Converts the RGB triplets to and from different colorspace + * \param dstColorSpace: destination colorspace; 0 = RGB, 1 = HSL, 2 = YUV, 3 = YIQ, 4 = XYZ + * \param srcColorSpace: source colorspace; 0 = RGB, 1 = HSL, 2 = YUV, 3 = YIQ, 4 = XYZ + * \return true if everything is ok + */ +bool CxImage::ConvertColorSpace(const int32_t dstColorSpace, const int32_t srcColorSpace) +{ + if (!pDib) + return false; + + if (dstColorSpace == srcColorSpace) + return true; + + int32_t w = GetWidth(); + int32_t h = GetHeight(); + + for (int32_t y=0;yIsValid() || + !pContrastMask->IsGrayScale() || + pContrastMask->GetWidth() != GetWidth() || + pContrastMask->GetHeight() != GetHeight()){ + strcpy(info.szLastError,"OptimalThreshold invalid ContrastMask"); + return -1; + } + } + + int32_t xmin,xmax,ymin,ymax; + if (pBox){ + xmin = max(pBox->left,0); + xmax = min(pBox->right,head.biWidth); + ymin = max(pBox->bottom,0); + ymax = min(pBox->top,head.biHeight); + } else { + xmin = ymin = 0; + xmax = head.biWidth; ymax=head.biHeight; + } + + if (xmin>=xmax || ymin>=ymax) + return -1; + + double p[256]; + memset(p, 0, 256*sizeof(double)); + //build histogram + for (int32_t y = ymin; yGetBits(y) + xmin; + for (int32_t x = xmin; x0 && p[gray_max]==0) gray_max--; + if (gray_min > gray_max) + return -1; + if (gray_min == gray_max){ + if (gray_min == 0) + return 0; + else + return gray_max-1; + } + + //compute total moments 0th,1st,2nd order + int32_t i,k; + double w_tot = 0; + double m_tot = 0; + double q_tot = 0; + for (i = gray_min; i <= gray_max; i++){ + w_tot += p[i]; + m_tot += i*p[i]; + q_tot += i*i*p[i]; + } + + double L, L1max, L2max, L3max, L4max; //objective functions + int32_t th1,th2,th3,th4; //optimal thresholds + L1max = L2max = L3max = L4max = 0; + th1 = th2 = th3 = th4 = -1; + + double w1, w2, m1, m2, q1, q2, s1, s2; + w1 = m1 = q1 = 0; + for (i = gray_min; i < gray_max; i++){ + w1 += p[i]; + w2 = w_tot - w1; + m1 += i*p[i]; + m2 = m_tot - m1; + q1 += i*i*p[i]; + q2 = q_tot - q1; + s1 = q1/w1-m1*m1/w1/w1; //s1 = q1/w1-pow(m1/w1,2); + s2 = q2/w2-m2*m2/w2/w2; //s2 = q2/w2-pow(m2/w2,2); + + //Otsu + L = -(s1*w1 + s2*w2); //implemented as definition + //L = w1 * w2 * (m2/w2 - m1/w1)*(m2/w2 - m1/w1); //implementation that doesn't need s1 & s2 + if (L1max < L || th1<0){ + L1max = L; + th1 = i; + } + + //Kittler and Illingworth + if (s1>0 && s2>0){ + L = w1*log(w1/sqrt(s1))+w2*log(w2/sqrt(s2)); + //L = w1*log(w1*w1/s1)+w2*log(w2*w2/s2); + if (L2max < L || th2<0){ + L2max = L; + th2 = i; + } + } + + //max entropy + L = 0; + for (k=gray_min;k<=i;k++) if (p[k] > 0) L -= p[k]*log(p[k]/w1)/w1; + for (k;k<=gray_max;k++) if (p[k] > 0) L -= p[k]*log(p[k]/w2)/w2; + if (L3max < L || th3<0){ + L3max = L; + th3 = i; + } + + //potential difference (based on Electrostatic Binarization method by J. Acharya & G. Sreechakra) + // L=-fabs(vdiff/vsum); è molto selettivo, sembra che L=-fabs(vdiff) o L=-(vsum) + // abbiano lo stesso valore di soglia... il che semplificherebbe molto la routine + double vdiff = 0; + for (k=gray_min;k<=i;k++) + vdiff += p[k]*(i-k)*(i-k); + double vsum = vdiff; + for (k;k<=gray_max;k++){ + double dv = p[k]*(k-i)*(k-i); + vdiff -= dv; + vsum += dv; + } + if (vsum>0) L = -fabs(vdiff/vsum); else L = 0; + if (L4max < L || th4<0){ + L4max = L; + th4 = i; + } + } + + int32_t threshold; + switch (method){ + case 1: //Otsu + threshold = th1; + break; + case 2: //Kittler and Illingworth + threshold = th2; + break; + case 3: //max entropy + threshold = th3; + break; + case 4: //potential difference + threshold = th4; + break; + default: //auto + { + int32_t nt = 0; + threshold = 0; + if (th1>=0) { threshold += th1; nt++;} + if (th2>=0) { threshold += th2; nt++;} + if (th3>=0) { threshold += th3; nt++;} + if (th4>=0) { threshold += th4; nt++;} + if (nt) + threshold /= nt; + else + threshold = (gray_min+gray_max)/2; + + /*better(?) but really expensive alternative: + n = 0:255; + pth1 = c1(th1)/sqrt(2*pi*s1(th1))*exp(-((n - m1(th1)).^2)/2/s1(th1)) + c2(th1)/sqrt(2*pi*s2(th1))*exp(-((n - m2(th1)).^2)/2/s2(th1)); + pth2 = c1(th2)/sqrt(2*pi*s1(th2))*exp(-((n - m1(th2)).^2)/2/s1(th2)) + c2(th2)/sqrt(2*pi*s2(th2))*exp(-((n - m2(th2)).^2)/2/s2(th2)); + ... + mse_th1 = sum((p-pth1).^2); + mse_th2 = sum((p-pth2).^2); + ... + select th# that gives minimum mse_th# + */ + + } + } + + if (threshold <= gray_min || threshold >= gray_max) + threshold = (gray_min+gray_max)/2; + + return threshold; +} +/////////////////////////////////////////////////////////////////////////////// +/** + * Converts the image to B&W, using an optimal threshold mask + * \param method: 0 = average all methods (default); 1 = Otsu; 2 = Kittler & Illingworth; 3 = max entropy; 4 = potential difference; + * \param nBoxSize: the image is divided into "nBoxSize x nBoxSize" blocks, from where the threshold is computed; min = 8; default = 64. + * \param pContrastMask: limit the computation only in regions with contrasted (!=0) pixels; default = 0. + * \param nBias: global offset added to the threshold mask; default = 0. + * \param fGlobalLocalBalance: balance between local and global threshold. default = 0.5 + * fGlobalLocalBalance can be from 0.0 (use only local threshold) to 1.0 (use only global threshold) + * the pContrastMask image must be grayscale with same with and height of the current image, + * \return true if everything is ok. + * \sa OptimalThreshold + */ +bool CxImage::AdaptiveThreshold(int32_t method, int32_t nBoxSize, CxImage* pContrastMask, int32_t nBias, float fGlobalLocalBalance) +{ + if (!pDib) + return false; + + if (pContrastMask){ + if (!pContrastMask->IsValid() || + !pContrastMask->IsGrayScale() || + pContrastMask->GetWidth() != GetWidth() || + pContrastMask->GetHeight() != GetHeight()){ + strcpy(info.szLastError,"AdaptiveThreshold invalid ContrastMask"); + return false; + } + } + + if (nBoxSize<8) nBoxSize = 8; + if (fGlobalLocalBalance<0.0f) fGlobalLocalBalance = 0.0f; + if (fGlobalLocalBalance>1.0f) fGlobalLocalBalance = 1.0f; + + int32_t mw = (head.biWidth + nBoxSize - 1)/nBoxSize; + int32_t mh = (head.biHeight + nBoxSize - 1)/nBoxSize; + + CxImage mask(mw,mh,8); + if(!mask.GrayScale()) + return false; + + if(!GrayScale()) + return false; + + int32_t globalthreshold = OptimalThreshold(method, 0, pContrastMask); + if (globalthreshold <0) + return false; + + for (int32_t y=0; y=0 && !bFindStartPoint;y--){ + info.nProgress = (int32_t)(100*y/head.biHeight); + if (info.nEscape) break; + for (x=0;x +//////////////////////////////////////////////////////////////////////////////// +/** + * Flood Fill + * \param xStart, yStart: starting point + * \param cFillColor: filling color + * \param nTolerance: deviation from the starting point color + * \param nOpacity: can be from 0 (transparent) to 255 (opaque, default) + * \param bSelectFilledArea: if true, the pixels in the region are also set in the selection layer; default = false + * \param nSelectionLevel: if bSelectFilledArea is true, the selected pixels are set to nSelectionLevel; default = 255 + * Note: nOpacity=0 && bSelectFilledArea=true act as a "magic wand" + * \return true if everything is ok + */ +bool CxImage::FloodFill(const int32_t xStart, const int32_t yStart, const RGBQUAD cFillColor, const uint8_t nTolerance, + uint8_t nOpacity, const bool bSelectFilledArea, const uint8_t nSelectionLevel) +{ + if (!pDib) + return false; + + if (!IsInside(xStart,yStart)) + return true; + +#if CXIMAGE_SUPPORT_SELECTION + if (!SelectionIsInside(xStart,yStart)) + return true; +#endif //CXIMAGE_SUPPORT_SELECTION + + RGBQUAD* pPalette=NULL; + uint16_t bpp = GetBpp(); + //nTolerance or nOpacity implemented only for grayscale or 24bpp images + if ((nTolerance || nOpacity != 255) && !(head.biBitCount == 24 || IsGrayScale())){ + pPalette = new RGBQUAD[head.biClrUsed]; + memcpy(pPalette, GetPalette(),GetPaletteSize()); + if (!IncreaseBpp(24)) + return false; + } + + uint8_t* pFillMask = (uint8_t*)calloc(head.biWidth * head.biHeight,1); + if (!pFillMask) + return false; + +//------------------------------------- Begin of Flood Fill + POINT offset[4] = {{-1,0},{0,-1},{1,0},{0,1}}; + std::queue q; + POINT point = {xStart,yStart}; + q.push(point); + + if (IsIndexed()){ //--- Generic indexed image, no tolerance OR Grayscale image with tolerance + uint8_t idxRef = GetPixelIndex(xStart,yStart); + uint8_t idxFill = GetNearestIndex(cFillColor); + uint8_t idxMin = (uint8_t)min(255, max(0,(int32_t)(idxRef - nTolerance))); + uint8_t idxMax = (uint8_t)min(255, max(0,(int32_t)(idxRef + nTolerance))); + + while(!q.empty()) + { + point = q.front(); + q.pop(); + + for (int32_t z=0; z<4; z++){ + int32_t x = point.x + offset[z].x; + int32_t y = point.y + offset[z].y; + if(IsInside(x,y)){ +#if CXIMAGE_SUPPORT_SELECTION + if (BlindSelectionIsInside(x,y)) +#endif //CXIMAGE_SUPPORT_SELECTION + { + uint8_t idx = BlindGetPixelIndex(x, y); + uint8_t* pFill = pFillMask + x + y * head.biWidth; + if (*pFill==0 && idxMin <= idx && idx <= idxMax ) + { + if (nOpacity>0){ + if (nOpacity == 255) + BlindSetPixelIndex(x, y, idxFill); + else + BlindSetPixelIndex(x, y, (uint8_t)((idxFill * nOpacity + idx * (255-nOpacity))>>8)); + } + POINT pt = {x,y}; + q.push(pt); + *pFill = 1; + } + } + } + } + } + } else { //--- RGB image + RGBQUAD cRef = GetPixelColor(xStart,yStart); + RGBQUAD cRefMin, cRefMax; + cRefMin.rgbRed = (uint8_t)min(255, max(0,(int32_t)(cRef.rgbRed - nTolerance))); + cRefMin.rgbGreen = (uint8_t)min(255, max(0,(int32_t)(cRef.rgbGreen - nTolerance))); + cRefMin.rgbBlue = (uint8_t)min(255, max(0,(int32_t)(cRef.rgbBlue - nTolerance))); + cRefMax.rgbRed = (uint8_t)min(255, max(0,(int32_t)(cRef.rgbRed + nTolerance))); + cRefMax.rgbGreen = (uint8_t)min(255, max(0,(int32_t)(cRef.rgbGreen + nTolerance))); + cRefMax.rgbBlue = (uint8_t)min(255, max(0,(int32_t)(cRef.rgbBlue + nTolerance))); + + while(!q.empty()) + { + point = q.front(); + q.pop(); + + for (int32_t z=0; z<4; z++){ + int32_t x = point.x + offset[z].x; + int32_t y = point.y + offset[z].y; + if(IsInside(x,y)){ +#if CXIMAGE_SUPPORT_SELECTION + if (BlindSelectionIsInside(x,y)) +#endif //CXIMAGE_SUPPORT_SELECTION + { + RGBQUAD cc = BlindGetPixelColor(x, y); + uint8_t* pFill = pFillMask + x + y * head.biWidth; + if (*pFill==0 && + cRefMin.rgbRed <= cc.rgbRed && cc.rgbRed <= cRefMax.rgbRed && + cRefMin.rgbGreen <= cc.rgbGreen && cc.rgbGreen <= cRefMax.rgbGreen && + cRefMin.rgbBlue <= cc.rgbBlue && cc.rgbBlue <= cRefMax.rgbBlue ) + { + if (nOpacity>0){ + if (nOpacity == 255) + BlindSetPixelColor(x, y, cFillColor); + else + { + cc.rgbRed = (uint8_t)((cFillColor.rgbRed * nOpacity + cc.rgbRed * (255-nOpacity))>>8); + cc.rgbGreen = (uint8_t)((cFillColor.rgbGreen * nOpacity + cc.rgbGreen * (255-nOpacity))>>8); + cc.rgbBlue = (uint8_t)((cFillColor.rgbBlue * nOpacity + cc.rgbBlue * (255-nOpacity))>>8); + BlindSetPixelColor(x, y, cc); + } + } + POINT pt = {x,y}; + q.push(pt); + *pFill = 1; + } + } + } + } + } + } + if (pFillMask[xStart+yStart*head.biWidth] == 0 && nOpacity>0){ + if (nOpacity == 255) + BlindSetPixelColor(xStart, yStart, cFillColor); + else + { + RGBQUAD cc = BlindGetPixelColor(xStart, yStart); + cc.rgbRed = (uint8_t)((cFillColor.rgbRed * nOpacity + cc.rgbRed * (255-nOpacity))>>8); + cc.rgbGreen = (uint8_t)((cFillColor.rgbGreen * nOpacity + cc.rgbGreen * (255-nOpacity))>>8); + cc.rgbBlue = (uint8_t)((cFillColor.rgbBlue * nOpacity + cc.rgbBlue * (255-nOpacity))>>8); + BlindSetPixelColor(xStart, yStart, cc); + } + } + pFillMask[xStart+yStart*head.biWidth] = 1; +//------------------------------------- End of Flood Fill + + //if necessary, restore the original BPP and palette + if (pPalette){ + DecreaseBpp(bpp, false, pPalette); + delete [] pPalette; + } + +#if CXIMAGE_SUPPORT_SELECTION + if (bSelectFilledArea){ + if (!SelectionIsValid()){ + if (!SelectionCreate()){ + return false; + } + SelectionClear(); + info.rSelectionBox.right = head.biWidth; + info.rSelectionBox.top = head.biHeight; + info.rSelectionBox.left = info.rSelectionBox.bottom = 0; + } + RECT r; + SelectionGetBox(r); + for (int32_t y = r.bottom; y < r.top; y++){ + uint8_t* pFill = pFillMask + r.left + y * head.biWidth; + for (int32_t x = r.left; x - WMF/EMF support +#endif + +#if CXIMAGE_SUPPORT_JBG +#include "ximajbg.h" +#endif + +#if CXIMAGE_SUPPORT_JASPER +#include "ximajas.h" +#endif + +#if CXIMAGE_SUPPORT_SKA +#include "ximaska.h" +#endif + +#if CXIMAGE_SUPPORT_RAW +#include "ximaraw.h" +#endif + +#if CXIMAGE_SUPPORT_PSD +#include "ximapsd.h" +#endif + +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImage::EncodeSafeCheck(CxFile *hFile) +{ + if (hFile==NULL) { + strcpy(info.szLastError,CXIMAGE_ERR_NOFILE); + return true; + } + + if (pDib==NULL){ + strcpy(info.szLastError,CXIMAGE_ERR_NOIMAGE); + return true; + } + return false; +} +//////////////////////////////////////////////////////////////////////////////// +//#ifdef WIN32 +//bool CxImage::Save(LPCWSTR filename, uint32_t imagetype) +//{ +// FILE* hFile; //file handle to write the image +// if ((hFile=_wfopen(filename,L"wb"))==NULL) return false; +// bool bOK = Encode(hFile,imagetype); +// fclose(hFile); +// return bOK; +//} +//#endif //WIN32 +//////////////////////////////////////////////////////////////////////////////// +// For UNICODE support: char -> TCHAR +/** + * Saves to disk the image in a specific format. + * \param filename: file name + * \param imagetype: file format, see ENUM_CXIMAGE_FORMATS + * \return true if everything is ok + */ +bool CxImage::Save(const TCHAR * filename, uint32_t imagetype) +{ + FILE* hFile; //file handle to write the image + +#ifdef WIN32 + if ((hFile=_tfopen(filename,_T("wb")))==NULL) return false; // For UNICODE support +#else + if ((hFile=fopen(filename,"wb"))==NULL) return false; +#endif + + bool bOK = Encode(hFile,imagetype); + fclose(hFile); + return bOK; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Saves to disk the image in a specific format. + * \param hFile: file handle, open and enabled for writing. + * \param imagetype: file format, see ENUM_CXIMAGE_FORMATS + * \return true if everything is ok + */ +bool CxImage::Encode(FILE *hFile, uint32_t imagetype) +{ + CxIOFile file(hFile); + return Encode(&file,imagetype); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Saves to memory buffer the image in a specific format. + * \param buffer: output memory buffer pointer. Must be NULL, + * the function allocates and fill the memory, + * the application must free the buffer, see also FreeMemory(). + * \param size: output memory buffer size. + * \param imagetype: file format, see ENUM_CXIMAGE_FORMATS + * \return true if everything is ok + */ +bool CxImage::Encode(uint8_t * &buffer, int32_t &size, uint32_t imagetype) +{ + if (buffer!=NULL){ + strcpy(info.szLastError,"the buffer must be empty"); + return false; + } + CxMemFile file; + file.Open(); + if(Encode(&file,imagetype)){ + buffer=file.GetBuffer(); + size=file.Size(); + return true; + } + return false; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Saves to disk the image in a specific format. + * \param hFile: file handle (CxMemFile or CxIOFile), with write access. + * \param imagetype: file format, see ENUM_CXIMAGE_FORMATS + * \return true if everything is ok + * \sa ENUM_CXIMAGE_FORMATS + */ +bool CxImage::Encode(CxFile *hFile, uint32_t imagetype) +{ + +#if CXIMAGE_SUPPORT_BMP + if (CXIMAGE_FORMAT_BMP==imagetype){ + CxImageBMP *newima = new CxImageBMP; + if (!newima) return false; + newima->Ghost(this); + if (newima->Encode(hFile)){ + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + delete newima; + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_ICO + if (CXIMAGE_FORMAT_ICO==imagetype){ + CxImageICO *newima = new CxImageICO; + if (!newima) return false; + newima->Ghost(this); + if (newima->Encode(hFile)){ + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + delete newima; + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_TIF + if (CXIMAGE_FORMAT_TIF==imagetype){ + CxImageTIF *newima = new CxImageTIF; + if (!newima) return false; + newima->Ghost(this); + if (newima->Encode(hFile)){ + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + delete newima; + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_JPG + if (CXIMAGE_FORMAT_JPG==imagetype){ + CxImageJPG *newima = new CxImageJPG; + if (!newima) return false; + newima->Ghost(this); + if (newima->Encode(hFile)){ + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + delete newima; + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_GIF + if (CXIMAGE_FORMAT_GIF==imagetype){ + CxImageGIF *newima = new CxImageGIF; + if (!newima) return false; + newima->Ghost(this); + if (newima->Encode(hFile)){ + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + delete newima; + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_PNG + if (CXIMAGE_FORMAT_PNG==imagetype){ + CxImagePNG *newima = new CxImagePNG; + if (!newima) return false; + newima->Ghost(this); + if (newima->Encode(hFile)){ + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + delete newima; + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_MNG + if (CXIMAGE_FORMAT_MNG==imagetype){ + CxImageMNG *newima = new CxImageMNG; + if (!newima) return false; + newima->Ghost(this); + if (newima->Encode(hFile)){ + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + delete newima; + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_TGA + if (CXIMAGE_FORMAT_TGA==imagetype){ + CxImageTGA *newima = new CxImageTGA; + if (!newima) return false; + newima->Ghost(this); + if (newima->Encode(hFile)){ + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + delete newima; + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_PCX + if (CXIMAGE_FORMAT_PCX==imagetype){ + CxImagePCX *newima = new CxImagePCX; + if (!newima) return false; + newima->Ghost(this); + if (newima->Encode(hFile)){ + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + delete newima; + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_WBMP + if (CXIMAGE_FORMAT_WBMP==imagetype){ + CxImageWBMP *newima = new CxImageWBMP; + if (!newima) return false; + newima->Ghost(this); + if (newima->Encode(hFile)){ + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + delete newima; + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_WMF && CXIMAGE_SUPPORT_WINDOWS // - WMF/EMF support + if (CXIMAGE_FORMAT_WMF==imagetype){ + CxImageWMF *newima = new CxImageWMF; + if (!newima) return false; + newima->Ghost(this); + if (newima->Encode(hFile)){ + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + delete newima; + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_JBG + if (CXIMAGE_FORMAT_JBG==imagetype){ + CxImageJBG *newima = new CxImageJBG; + if (!newima) return false; + newima->Ghost(this); + if (newima->Encode(hFile)){ + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + delete newima; + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_JASPER + if ( + #if CXIMAGE_SUPPORT_JP2 + CXIMAGE_FORMAT_JP2==imagetype || + #endif + #if CXIMAGE_SUPPORT_JPC + CXIMAGE_FORMAT_JPC==imagetype || + #endif + #if CXIMAGE_SUPPORT_PGX + CXIMAGE_FORMAT_PGX==imagetype || + #endif + #if CXIMAGE_SUPPORT_PNM + CXIMAGE_FORMAT_PNM==imagetype || + #endif + #if CXIMAGE_SUPPORT_RAS + CXIMAGE_FORMAT_RAS==imagetype || + #endif + false ){ + CxImageJAS *newima = new CxImageJAS; + if (!newima) return false; + newima->Ghost(this); + if (newima->Encode(hFile,imagetype)){ + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + delete newima; + return false; + } + } +#endif + +#if CXIMAGE_SUPPORT_SKA + if (CXIMAGE_FORMAT_SKA==imagetype){ + CxImageSKA *newima = new CxImageSKA; + if (!newima) return false; + newima->Ghost(this); + if (newima->Encode(hFile)){ + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + delete newima; + return false; + } + } +#endif + +#if CXIMAGE_SUPPORT_RAW + if (CXIMAGE_FORMAT_RAW==imagetype){ + CxImageRAW *newima = new CxImageRAW; + if (!newima) return false; + newima->Ghost(this); + if (newima->Encode(hFile)){ + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + delete newima; + return false; + } + } +#endif + +#if CXIMAGE_SUPPORT_PSD + if (CXIMAGE_FORMAT_PSD==imagetype){ + CxImagePSD *newima = new CxImagePSD; + if (!newima) return false; + newima->Ghost(this); + if (newima->Encode(hFile)){ + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + delete newima; + return false; + } + } +#endif + + strcpy(info.szLastError,"Encode: Unknown format"); + return false; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Saves to disk or memory pagecount images, referenced by an array of CxImage pointers. + * \param hFile: file handle. + * \param pImages: array of CxImage pointers. + * \param pagecount: number of images. + * \param imagetype: can be CXIMAGE_FORMAT_TIF or CXIMAGE_FORMAT_GIF. + * \return true if everything is ok + */ +bool CxImage::Encode(FILE * hFile, CxImage ** pImages, int32_t pagecount, uint32_t imagetype) +{ + CxIOFile file(hFile); + return Encode(&file, pImages, pagecount,imagetype); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Saves to disk or memory pagecount images, referenced by an array of CxImage pointers. + * \param hFile: file handle (CxMemFile or CxIOFile), with write access. + * \param pImages: array of CxImage pointers. + * \param pagecount: number of images. + * \param imagetype: can be CXIMAGE_FORMAT_TIF, CXIMAGE_FORMAT_GIF or CXIMAGE_FORMAT_ICO. + * \return true if everything is ok + */ +bool CxImage::Encode(CxFile * hFile, CxImage ** pImages, int32_t pagecount, uint32_t imagetype) +{ +#if CXIMAGE_SUPPORT_TIF + if (imagetype==CXIMAGE_FORMAT_TIF){ + CxImageTIF newima; + newima.Ghost(this); + if (newima.Encode(hFile,pImages,pagecount)){ + return true; + } else { + strcpy(info.szLastError,newima.GetLastError()); + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_GIF + if (imagetype==CXIMAGE_FORMAT_GIF){ + CxImageGIF newima; + newima.Ghost(this); + if (newima.Encode(hFile,pImages,pagecount)){ + return true; + } else { + strcpy(info.szLastError,newima.GetLastError()); + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_ICO + if (imagetype==CXIMAGE_FORMAT_ICO){ + CxImageICO newima; + newima.Ghost(this); + if (newima.Encode(hFile,pImages,pagecount)){ + return true; + } else { + strcpy(info.szLastError,newima.GetLastError()); + return false; + } + } +#endif + strcpy(info.szLastError,"Multipage Encode, Unsupported operation for this format"); + return false; +} + +//////////////////////////////////////////////////////////////////////////////// +/** + * exports the image into a RGBA buffer, Useful for OpenGL applications. + * \param buffer: output memory buffer pointer. Must be NULL, + * the function allocates and fill the memory, + * the application must free the buffer, see also FreeMemory(). + * \param size: output memory buffer size. + * \param bFlipY: direction of Y axis. default = false. + * \return true if everything is ok + */ +bool CxImage::Encode2RGBA(uint8_t * &buffer, int32_t &size, bool bFlipY) +{ + if (buffer!=NULL){ + strcpy(info.szLastError,"the buffer must be empty"); + return false; + } + CxMemFile file; + file.Open(); + if(Encode2RGBA(&file,bFlipY)){ + buffer=file.GetBuffer(); + size=file.Size(); + return true; + } + return false; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * exports the image into a RGBA buffer, Useful for OpenGL applications. + * \param hFile: file handle (CxMemFile or CxIOFile), with write access. + * \param bFlipY: direction of Y axis. default = false. + * \return true if everything is ok + */ +bool CxImage::Encode2RGBA(CxFile *hFile, bool bFlipY) +{ + if (EncodeSafeCheck(hFile)) return false; + + for (int32_t y1 = 0; y1 < head.biHeight; y1++) { + int32_t y = bFlipY ? head.biHeight - 1 - y1 : y1; + for(int32_t x = 0; x < head.biWidth; x++) { + RGBQUAD color = BlindGetPixelColor(x,y); + hFile->PutC(color.rgbRed); + hFile->PutC(color.rgbGreen); + hFile->PutC(color.rgbBlue); + hFile->PutC(color.rgbReserved); + } + } + return true; +} + +//////////////////////////////////////////////////////////////////////////////// +#endif //CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// + +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +// For UNICODE support: char -> TCHAR +/** + * Reads from disk the image in a specific format. + * - If decoding fails using the specified image format, + * the function will try the automatic file format recognition. + * + * \param filename: file name + * \param imagetype: file format, see ENUM_CXIMAGE_FORMATS + * \return true if everything is ok + */ +bool CxImage::Load(const TCHAR * filename, uint32_t imagetype) +//bool CxImage::Load(const char * filename, uint32_t imagetype) +{ + /*FILE* hFile; //file handle to read the image + if ((hFile=fopen(filename,"rb"))==NULL) return false; + bool bOK = Decode(hFile,imagetype); + fclose(hFile);*/ + + /* automatic file type recognition */ + bool bOK = false; + if ( GetTypeIndexFromId(imagetype) ){ + FILE* hFile; //file handle to read the image + +#ifdef WIN32 + if ((hFile=_tfopen(filename,_T("rb")))==NULL) return false; // For UNICODE support +#else + if ((hFile=fopen(filename,"rb"))==NULL) return false; +#endif + + bOK = Decode(hFile,imagetype); + fclose(hFile); + if (bOK) return bOK; + } + + char szError[256]; + strcpy(szError,info.szLastError); //save the first error + + // if failed, try automatic recognition of the file... + FILE* hFile; + +#ifdef WIN32 + if ((hFile=_tfopen(filename,_T("rb")))==NULL) return false; // For UNICODE support +#else + if ((hFile=fopen(filename,"rb"))==NULL) return false; +#endif + + bOK = Decode(hFile,CXIMAGE_FORMAT_UNKNOWN); + fclose(hFile); + + if (!bOK && imagetype > 0) strcpy(info.szLastError,szError); //restore the first error + + return bOK; +} +//////////////////////////////////////////////////////////////////////////////// +#ifdef WIN32 +//bool CxImage::Load(LPCWSTR filename, uint32_t imagetype) +//{ +// /*FILE* hFile; //file handle to read the image +// if ((hFile=_wfopen(filename, L"rb"))==NULL) return false; +// bool bOK = Decode(hFile,imagetype); +// fclose(hFile);*/ +// +// /* automatic file type recognition */ +// bool bOK = false; +// if ( GetTypeIndexFromId(imagetype) ){ +// FILE* hFile; //file handle to read the image +// if ((hFile=_wfopen(filename,L"rb"))==NULL) return false; +// bOK = Decode(hFile,imagetype); +// fclose(hFile); +// if (bOK) return bOK; +// } +// +// char szError[256]; +// strcpy(szError,info.szLastError); //save the first error +// +// // if failed, try automatic recognition of the file... +// FILE* hFile; //file handle to read the image +// if ((hFile=_wfopen(filename,L"rb"))==NULL) return false; +// bOK = Decode(hFile,CXIMAGE_FORMAT_UNKNOWN); +// fclose(hFile); +// +// if (!bOK && imagetype > 0) strcpy(info.szLastError,szError); //restore the first error +// +// return bOK; +//} +//////////////////////////////////////////////////////////////////////////////// +/** + * Loads an image from the application resources. + * \param hRes: the resource handle returned by FindResource(). + * \param imagetype: file format, see ENUM_CXIMAGE_FORMATS. + * \param hModule: NULL for internal resource, or external application/DLL hinstance returned by LoadLibray. + * \return true if everything is ok + */ +bool CxImage::LoadResource(HRSRC hRes, uint32_t imagetype, HMODULE hModule) +{ + uint32_t rsize=SizeofResource(hModule,hRes); + HGLOBAL hMem=::LoadResource(hModule,hRes); + if (hMem){ + char* lpVoid=(char*)LockResource(hMem); + if (lpVoid){ + // FILE* fTmp=tmpfile(); doesn't work with network + /*char tmpPath[MAX_PATH] = {0}; + char tmpFile[MAX_PATH] = {0}; + GetTempPath(MAX_PATH,tmpPath); + GetTempFileName(tmpPath,"IMG",0,tmpFile); + FILE* fTmp=fopen(tmpFile,"w+b"); + if (fTmp){ + fwrite(lpVoid,rsize,1,fTmp); + fseek(fTmp,0,SEEK_SET); + bool bOK = Decode(fTmp,imagetype); + fclose(fTmp); + DeleteFile(tmpFile); + return bOK; + }*/ + + CxMemFile fTmp((uint8_t*)lpVoid,rsize); + return Decode(&fTmp,imagetype); + } + } else strcpy(info.szLastError,"Unable to load resource!"); + return false; +} +#endif //WIN32 +//////////////////////////////////////////////////////////////////////////////// +/** + * Constructor from file name, see Load() + * \param filename: file name + * \param imagetype: file format, see ENUM_CXIMAGE_FORMATS + */ +// +// > filename: file name +// > imagetype: specify the image format (CXIMAGE_FORMAT_BMP,...) +// For UNICODE support: char -> TCHAR +CxImage::CxImage(const TCHAR * filename, uint32_t imagetype) +//CxImage::CxImage(const char * filename, uint32_t imagetype) +{ + Startup(imagetype); + Load(filename,imagetype); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Constructor from file handle, see Decode() + * \param stream: file handle, with read access. + * \param imagetype: file format, see ENUM_CXIMAGE_FORMATS + */ +CxImage::CxImage(FILE * stream, uint32_t imagetype) +{ + Startup(imagetype); + Decode(stream,imagetype); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Constructor from CxFile object, see Decode() + * \param stream: file handle (CxMemFile or CxIOFile), with read access. + * \param imagetype: file format, see ENUM_CXIMAGE_FORMATS + */ +CxImage::CxImage(CxFile * stream, uint32_t imagetype) +{ + Startup(imagetype); + Decode(stream,imagetype); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Constructor from memory buffer, see Decode() + * \param buffer: memory buffer + * \param size: size of buffer + * \param imagetype: file format, see ENUM_CXIMAGE_FORMATS + */ +CxImage::CxImage(uint8_t * buffer, uint32_t size, uint32_t imagetype) +{ + Startup(imagetype); + CxMemFile stream(buffer,size); + Decode(&stream,imagetype); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Loads an image from memory buffer + * \param buffer: memory buffer + * \param size: size of buffer + * \param imagetype: file format, see ENUM_CXIMAGE_FORMATS + * \return true if everything is ok + */ +bool CxImage::Decode(uint8_t * buffer, uint32_t size, uint32_t imagetype) +{ + CxMemFile file(buffer,size); + return Decode(&file,imagetype); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Loads an image from file handle. + * \param hFile: file handle, with read access. + * \param imagetype: file format, see ENUM_CXIMAGE_FORMATS + * \return true if everything is ok + */ +bool CxImage::Decode(FILE *hFile, uint32_t imagetype) +{ + CxIOFile file(hFile); + return Decode(&file,imagetype); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Loads an image from CxFile object + * \param hFile: file handle (CxMemFile or CxIOFile), with read access. + * \param imagetype: file format, see ENUM_CXIMAGE_FORMATS + * \return true if everything is ok + * \sa ENUM_CXIMAGE_FORMATS + */ +bool CxImage::Decode(CxFile *hFile, uint32_t imagetype) +{ + if (hFile == NULL){ + strcpy(info.szLastError,CXIMAGE_ERR_NOFILE); + return false; + } + + uint32_t pos = hFile->Tell(); + +#if CXIMAGE_SUPPORT_BMP + if (CXIMAGE_FORMAT_UNKNOWN==imagetype || CXIMAGE_FORMAT_BMP==imagetype){ + CxImageBMP *newima = new CxImageBMP; + if (!newima) + return false; + newima->CopyInfo(*this); + if (newima->Decode(hFile)) { + Transfer(*newima); + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + hFile->Seek(pos,SEEK_SET); + delete newima; + if (CXIMAGE_FORMAT_UNKNOWN!=imagetype) + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_JPG + if (CXIMAGE_FORMAT_UNKNOWN==imagetype || CXIMAGE_FORMAT_JPG==imagetype){ + CxImageJPG *newima = new CxImageJPG; + if (!newima) + return false; + newima->CopyInfo(*this); + if (newima->Decode(hFile)) { + Transfer(*newima); + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + hFile->Seek(pos,SEEK_SET); + delete newima; + if (CXIMAGE_FORMAT_UNKNOWN!=imagetype) + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_ICO + if (CXIMAGE_FORMAT_UNKNOWN==imagetype || CXIMAGE_FORMAT_ICO==imagetype){ + CxImageICO *newima = new CxImageICO; + if (!newima) + return false; + newima->CopyInfo(*this); + if (newima->Decode(hFile)) { + Transfer(*newima); + delete newima; + return true; + } else { + info.nNumFrames = newima->info.nNumFrames; + strcpy(info.szLastError,newima->GetLastError()); + hFile->Seek(pos,SEEK_SET); + delete newima; + if (CXIMAGE_FORMAT_UNKNOWN!=imagetype) + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_GIF + if (CXIMAGE_FORMAT_UNKNOWN==imagetype || CXIMAGE_FORMAT_GIF==imagetype){ + CxImageGIF *newima = new CxImageGIF; + if (!newima) + return false; + newima->CopyInfo(*this); + if (newima->Decode(hFile)) { + Transfer(*newima); + delete newima; + return true; + } else { + info.nNumFrames = newima->info.nNumFrames; + strcpy(info.szLastError,newima->GetLastError()); + hFile->Seek(pos,SEEK_SET); + delete newima; + if (CXIMAGE_FORMAT_UNKNOWN!=imagetype) + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_PNG + if (CXIMAGE_FORMAT_UNKNOWN==imagetype || CXIMAGE_FORMAT_PNG==imagetype){ + CxImagePNG *newima = new CxImagePNG; + if (!newima) + return false; + newima->CopyInfo(*this); + if (newima->Decode(hFile)) { + Transfer(*newima); + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + hFile->Seek(pos,SEEK_SET); + delete newima; + if (CXIMAGE_FORMAT_UNKNOWN!=imagetype) + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_TIF + if (CXIMAGE_FORMAT_UNKNOWN==imagetype || CXIMAGE_FORMAT_TIF==imagetype){ + CxImageTIF *newima = new CxImageTIF; + if (!newima) + return false; + newima->CopyInfo(*this); + if (newima->Decode(hFile)) { + Transfer(*newima); + delete newima; + return true; + } else { + info.nNumFrames = newima->info.nNumFrames; + strcpy(info.szLastError,newima->GetLastError()); + hFile->Seek(pos,SEEK_SET); + delete newima; + if (CXIMAGE_FORMAT_UNKNOWN!=imagetype) + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_MNG + if (CXIMAGE_FORMAT_UNKNOWN==imagetype || CXIMAGE_FORMAT_MNG==imagetype){ + CxImageMNG *newima = new CxImageMNG; + if (!newima) + return false; + newima->CopyInfo(*this); + if (newima->Decode(hFile)) { + Transfer(*newima); + delete newima; + return true; + } else { + info.nNumFrames = newima->info.nNumFrames; + strcpy(info.szLastError,newima->GetLastError()); + hFile->Seek(pos,SEEK_SET); + delete newima; + if (CXIMAGE_FORMAT_UNKNOWN!=imagetype) + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_TGA + if (CXIMAGE_FORMAT_UNKNOWN==imagetype || CXIMAGE_FORMAT_TGA==imagetype){ + CxImageTGA *newima = new CxImageTGA; + if (!newima) + return false; + newima->CopyInfo(*this); + if (newima->Decode(hFile)) { + Transfer(*newima); + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + hFile->Seek(pos,SEEK_SET); + delete newima; + if (CXIMAGE_FORMAT_UNKNOWN!=imagetype) + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_PCX + if (CXIMAGE_FORMAT_UNKNOWN==imagetype || CXIMAGE_FORMAT_PCX==imagetype){ + CxImagePCX *newima = new CxImagePCX; + if (!newima) + return false; + newima->CopyInfo(*this); + if (newima->Decode(hFile)) { + Transfer(*newima); + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + hFile->Seek(pos,SEEK_SET); + delete newima; + if (CXIMAGE_FORMAT_UNKNOWN!=imagetype) + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_WBMP + if (CXIMAGE_FORMAT_UNKNOWN==imagetype || CXIMAGE_FORMAT_WBMP==imagetype){ + CxImageWBMP *newima = new CxImageWBMP; + if (!newima) + return false; + newima->CopyInfo(*this); + if (newima->Decode(hFile)) { + Transfer(*newima); + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + hFile->Seek(pos,SEEK_SET); + delete newima; + if (CXIMAGE_FORMAT_UNKNOWN!=imagetype) + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_WMF && CXIMAGE_SUPPORT_WINDOWS + if (CXIMAGE_FORMAT_UNKNOWN==imagetype || CXIMAGE_FORMAT_WMF==imagetype){ + CxImageWMF *newima = new CxImageWMF; + if (!newima) + return false; + newima->CopyInfo(*this); + if (newima->Decode(hFile)) { + Transfer(*newima); + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + hFile->Seek(pos,SEEK_SET); + delete newima; + if (CXIMAGE_FORMAT_UNKNOWN!=imagetype) + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_JBG + if (CXIMAGE_FORMAT_UNKNOWN==imagetype || CXIMAGE_FORMAT_JBG==imagetype){ + CxImageJBG *newima = new CxImageJBG; + if (!newima) + return false; + newima->CopyInfo(*this); + if (newima->Decode(hFile)) { + Transfer(*newima); + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + hFile->Seek(pos,SEEK_SET); + delete newima; + if (CXIMAGE_FORMAT_UNKNOWN!=imagetype) + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_JASPER + if (CXIMAGE_FORMAT_UNKNOWN==imagetype || +#if CXIMAGE_SUPPORT_JP2 + CXIMAGE_FORMAT_JP2==imagetype || +#endif +#if CXIMAGE_SUPPORT_JPC + CXIMAGE_FORMAT_JPC==imagetype || +#endif +#if CXIMAGE_SUPPORT_PGX + CXIMAGE_FORMAT_PGX==imagetype || +#endif +#if CXIMAGE_SUPPORT_PNM + CXIMAGE_FORMAT_PNM==imagetype || +#endif +#if CXIMAGE_SUPPORT_RAS + CXIMAGE_FORMAT_RAS==imagetype || +#endif + false ){ + CxImageJAS *newima = new CxImageJAS; + if (!newima) + return false; + newima->CopyInfo(*this); + if (newima->Decode(hFile)) { + Transfer(*newima); + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + hFile->Seek(pos,SEEK_SET); + delete newima; + if (CXIMAGE_FORMAT_UNKNOWN!=imagetype) + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_SKA + if (CXIMAGE_FORMAT_UNKNOWN==imagetype || CXIMAGE_FORMAT_SKA==imagetype){ + CxImageSKA *newima = new CxImageSKA; + if (!newima) + return false; + newima->CopyInfo(*this); + if (newima->Decode(hFile)) { + Transfer(*newima); + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + hFile->Seek(pos,SEEK_SET); + delete newima; + if (CXIMAGE_FORMAT_UNKNOWN!=imagetype) + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_RAW + if (CXIMAGE_FORMAT_UNKNOWN==imagetype || CXIMAGE_FORMAT_RAW==imagetype){ + CxImageRAW *newima = new CxImageRAW; + if (!newima) + return false; + newima->CopyInfo(*this); + if (newima->Decode(hFile)) { + Transfer(*newima); + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + hFile->Seek(pos,SEEK_SET); + delete newima; + if (CXIMAGE_FORMAT_UNKNOWN!=imagetype) + return false; + } + } +#endif +#if CXIMAGE_SUPPORT_PSD + if (CXIMAGE_FORMAT_UNKNOWN==imagetype || CXIMAGE_FORMAT_PSD==imagetype){ + CxImagePSD *newima = new CxImagePSD; + if (!newima) + return false; + newima->CopyInfo(*this); + if (newima->Decode(hFile)) { + Transfer(*newima); + delete newima; + return true; + } else { + strcpy(info.szLastError,newima->GetLastError()); + hFile->Seek(pos,SEEK_SET); + delete newima; + if (CXIMAGE_FORMAT_UNKNOWN!=imagetype) + return false; + } + } +#endif + + strcpy(info.szLastError,"Decode: Unknown or wrong format"); + return false; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Loads an image from CxFile object + * \param hFile: file handle (CxMemFile or CxIOFile), with read access. + * \param imagetype: file format, default = 0 (CXIMAGE_FORMAT_UNKNOWN) + * \return : if imagetype is not 0, the function returns true when imagetype + * matches the file image format. If imagetype is 0, the function returns true + * when the file image format is recognized as a supported format. + * If the returned value is true, use GetHeight(), GetWidth() or GetType() + * to retrieve the basic image information. + * \sa ENUM_CXIMAGE_FORMATS + */ +bool CxImage::CheckFormat(CxFile * hFile, uint32_t imagetype) +{ + SetType(CXIMAGE_FORMAT_UNKNOWN); + SetEscape(-1); + + if (!Decode(hFile,imagetype)) + return false; + + if (GetType() == CXIMAGE_FORMAT_UNKNOWN || + ((imagetype!=CXIMAGE_FORMAT_UNKNOWN)&&(GetType() != imagetype))) + return false; + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +bool CxImage::CheckFormat(uint8_t * buffer, uint32_t size, uint32_t imagetype) +{ + if (buffer==NULL || size==0){ + strcpy(info.szLastError,"invalid or empty buffer"); + return false; + } + CxMemFile file(buffer,size); + return CheckFormat(&file,imagetype); +} +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_EXIF +bool CxImage::GetExifThumbnail(const TCHAR *filename, const TCHAR *outname, int32_t type) +{ + switch (type){ +#if CXIMAGE_SUPPORT_RAW + case CXIMAGE_FORMAT_RAW: + { + CxImageRAW image; + return image.GetExifThumbnail(filename, outname, type); + } +#endif //CXIMAGE_SUPPORT_RAW +#if CXIMAGE_SUPPORT_JPG + case CXIMAGE_FORMAT_JPG: + { + CxImageJPG image; + return image.GetExifThumbnail(filename, outname, type); + } +#endif //CXIMAGE_SUPPORT_JPG + default: + return false; + } +} +#endif //CXIMAGE_SUPPORT_EXIF + +//////////////////////////////////////////////////////////////////////////////// +#endif //CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// diff --git a/smelt/glfw/CxImage/ximaexif.cpp b/smelt/glfw/CxImage/ximaexif.cpp new file mode 100644 index 0000000..f880d72 --- /dev/null +++ b/smelt/glfw/CxImage/ximaexif.cpp @@ -0,0 +1,877 @@ +/* + * File: ximaexif.cpp + * Purpose: EXIF reader + * 18/Aug/2002 Davide Pizzolato - www.xdp.it + * CxImage version 7.0.0 31/Dec/2010 + * based on jhead-1.8 by Matthias Wandel + */ + +#include "ximajpg.h" + +#if CXIMAGEJPG_SUPPORT_EXIF + +//////////////////////////////////////////////////////////////////////////////// +CxImageJPG::CxExifInfo::CxExifInfo(EXIFINFO* info) +{ + if (info) { + m_exifinfo = info; + freeinfo = false; + } else { + m_exifinfo = new EXIFINFO; + memset(m_exifinfo,0,sizeof(EXIFINFO)); + freeinfo = true; + } + + m_szLastError[0]='\0'; + ExifImageWidth = MotorolaOrder = 0; + SectionsRead=0; + memset(&Sections, 0, MAX_SECTIONS * sizeof(Section_t)); +} +//////////////////////////////////////////////////////////////////////////////// +CxImageJPG::CxExifInfo::~CxExifInfo() +{ + for(int32_t i=0;iGetC(); + + if (a != 0xff || hFile->GetC() != M_SOI){ + return FALSE; + } + + for(;;){ + int32_t itemlen; + int32_t marker = 0; + int32_t ll,lh, got; + uint8_t * Data; + + if (SectionsRead >= MAX_SECTIONS){ + strcpy(m_szLastError,"Too many sections in jpg file"); + return false; + } + + for (a=0;a<7;a++){ + marker = hFile->GetC(); + if (marker != 0xff) break; + + if (a >= 6){ + printf("too many padding bytes\n"); + return false; + } + } + + if (marker == 0xff){ + // 0xff is legal padding, but if we get that many, something's wrong. + strcpy(m_szLastError,"too many padding bytes!"); + return false; + } + + Sections[SectionsRead].Type = marker; + + // Read the length of the section. + lh = hFile->GetC(); + ll = hFile->GetC(); + + itemlen = (lh << 8) | ll; + + if (itemlen < 2){ + strcpy(m_szLastError,"invalid marker"); + return false; + } + + Sections[SectionsRead].Size = itemlen; + + Data = (uint8_t *)malloc(itemlen); + if (Data == NULL){ + strcpy(m_szLastError,"Could not allocate memory"); + return false; + } + Sections[SectionsRead].Data = Data; + + // Store first two pre-read bytes. + Data[0] = (uint8_t)lh; + Data[1] = (uint8_t)ll; + + got = hFile->Read(Data+2, 1, itemlen-2); // Read the whole section. + if (got != itemlen-2){ + strcpy(m_szLastError,"Premature end of file?"); + return false; + } + SectionsRead += 1; + + switch(marker){ + + case M_SOS: // stop before hitting compressed data + // If reading entire image is requested, read the rest of the data. + if (nReadMode & EXIF_READ_IMAGE){ + int32_t cp, ep, size; + // Determine how much file is left. + cp = hFile->Tell(); + hFile->Seek(0, SEEK_END); + ep = hFile->Tell(); + hFile->Seek(cp, SEEK_SET); + + size = ep-cp; + Data = (uint8_t *)malloc(size); + if (Data == NULL){ + strcpy(m_szLastError,"could not allocate data for entire image"); + return false; + } + + got = hFile->Read(Data, 1, size); + if (got != size){ + strcpy(m_szLastError,"could not read the rest of the image"); + return false; + } + + Sections[SectionsRead].Data = Data; + Sections[SectionsRead].Size = size; + Sections[SectionsRead].Type = PSEUDO_IMAGE_MARKER; + SectionsRead ++; + } + return true; + + case M_EOI: // in case it's a tables-only JPEG stream + printf("No image in jpeg!\n"); + return FALSE; + + case M_COM: // Comment section + if (HaveCom || ((nReadMode & EXIF_READ_EXIF) == 0)){ + // Discard this section. + free(Sections[--SectionsRead].Data); + Sections[SectionsRead].Data=0; + }else{ + process_COM(Data, itemlen); + HaveCom = TRUE; + } + break; + + case M_JFIF: + // Regular jpegs always have this tag, exif images have the exif + // marker instead, althogh ACDsee will write images with both markers. + // this program will re-create this marker on absence of exif marker. + // hence no need to keep the copy from the file. + free(Sections[--SectionsRead].Data); + Sections[SectionsRead].Data=0; + break; + + case M_EXIF: + // Seen files from some 'U-lead' software with Vivitar scanner + // that uses marker 31 for non exif stuff. Thus make sure + // it says 'Exif' in the section before treating it as exif. + if ((nReadMode & EXIF_READ_EXIF) && memcmp(Data+2, "Exif", 4) == 0){ + m_exifinfo->IsExif = process_EXIF((uint8_t *)Data+2, itemlen); + }else{ + // Discard this section. + free(Sections[--SectionsRead].Data); + Sections[SectionsRead].Data=0; + } + break; + + case M_SOF0: + case M_SOF1: + case M_SOF2: + case M_SOF3: + case M_SOF5: + case M_SOF6: + case M_SOF7: + case M_SOF9: + case M_SOF10: + case M_SOF11: + case M_SOF13: + case M_SOF14: + case M_SOF15: + process_SOFn(Data, marker); + break; + default: + // Skip any other sections. + //if (ShowTags) printf("Jpeg section marker 0x%02x size %d\n",marker, itemlen); + break; + } + } + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/*-------------------------------------------------------------------------- + Process a EXIF marker + Describes all the drivel that most digital cameras include... +--------------------------------------------------------------------------*/ +bool CxImageJPG::CxExifInfo::process_EXIF(uint8_t * CharBuf, uint32_t length) +{ + m_exifinfo->FlashUsed = 0; + /* If it's from a digicam, and it used flash, it says so. */ + m_exifinfo->Comments[0] = '\0'; /* Initial value - null string */ + + ExifImageWidth = 0; + + { /* Check the EXIF header component */ + static const uint8_t ExifHeader[] = "Exif\0\0"; + if (memcmp(CharBuf+0, ExifHeader,6)){ + strcpy(m_szLastError,"Incorrect Exif header"); + return false; + } + } + + if (memcmp(CharBuf+6,"II",2) == 0){ + MotorolaOrder = 0; + }else{ + if (memcmp(CharBuf+6,"MM",2) == 0){ + MotorolaOrder = 1; + }else{ + strcpy(m_szLastError,"Invalid Exif alignment marker."); + return false; + } + } + + /* Check the next two values for correctness. */ + if (Get16u(CharBuf+8) != 0x2a){ + strcpy(m_szLastError,"Invalid Exif start (1)"); + return false; + } + + int32_t FirstOffset = Get32u(CharBuf+10); + /* + if (FirstOffset < 8 || FirstOffset > 16){ + // I used to ensure this was set to 8 (website I used indicated its 8) + // but PENTAX Optio 230 has it set differently, and uses it as offset. (Sept 11 2002) + strcpy(m_szLastError,"Suspicious offset of first IFD value"); + return false; + }*/ + + uint8_t * LastExifRefd = CharBuf; + + /* First directory starts 16 bytes in. Offsets start at 8 bytes in. */ + if (!ProcessExifDir(CharBuf+14, CharBuf+6, length-6, m_exifinfo, &LastExifRefd)) + return false; + + /* give a chance for a second directory */ + if (FirstOffset > 8) { + if (!ProcessExifDir(CharBuf+14+FirstOffset-8, CharBuf+6, length-6, m_exifinfo, &LastExifRefd)) + return false; + } + + /* This is how far the interesting (non thumbnail) part of the exif went. */ + // int32_t ExifSettingsLength = LastExifRefd - CharBuf; + + /* Compute the CCD width, in milimeters. */ + if (m_exifinfo->FocalplaneXRes != 0){ + m_exifinfo->CCDWidth = (float)(ExifImageWidth * m_exifinfo->FocalplaneUnits / m_exifinfo->FocalplaneXRes); + } + + return true; +} +//-------------------------------------------------------------------------- +// Get 16 bits motorola order (always) for jpeg header stuff. +//-------------------------------------------------------------------------- +int32_t CxImageJPG::CxExifInfo::Get16m(void * Short) +{ + return (((uint8_t *)Short)[0] << 8) | ((uint8_t *)Short)[1]; +} +//////////////////////////////////////////////////////////////////////////////// +/*-------------------------------------------------------------------------- + Convert a 16 bit unsigned value from file's native byte order +--------------------------------------------------------------------------*/ +int32_t CxImageJPG::CxExifInfo::Get16u(void * Short) +{ + if (MotorolaOrder){ + return (((uint8_t *)Short)[0] << 8) | ((uint8_t *)Short)[1]; + }else{ + return (((uint8_t *)Short)[1] << 8) | ((uint8_t *)Short)[0]; + } +} +//////////////////////////////////////////////////////////////////////////////// +/*-------------------------------------------------------------------------- + Convert a 32 bit signed value from file's native byte order +--------------------------------------------------------------------------*/ +int32_t CxImageJPG::CxExifInfo::Get32s(void * Long) +{ + if (MotorolaOrder){ + return ((( char *)Long)[0] << 24) | (((uint8_t *)Long)[1] << 16) + | (((uint8_t *)Long)[2] << 8 ) | (((uint8_t *)Long)[3] << 0 ); + }else{ + return ((( char *)Long)[3] << 24) | (((uint8_t *)Long)[2] << 16) + | (((uint8_t *)Long)[1] << 8 ) | (((uint8_t *)Long)[0] << 0 ); + } +} +//////////////////////////////////////////////////////////////////////////////// +/*-------------------------------------------------------------------------- + Convert a 32 bit unsigned value from file's native byte order +--------------------------------------------------------------------------*/ +uint32_t CxImageJPG::CxExifInfo::Get32u(void * Long) +{ + return (uint32_t)Get32s(Long) & 0xffffffff; +} +//////////////////////////////////////////////////////////////////////////////// + +/* Describes format descriptor */ +static const int32_t BytesPerFormat[] = {0,1,1,2,4,8,1,1,2,4,8,4,8}; +#define NUM_FORMATS 12 + +#define FMT_BYTE 1 +#define FMT_STRING 2 +#define FMT_USHORT 3 +#define FMT_ULONG 4 +#define FMT_URATIONAL 5 +#define FMT_SBYTE 6 +#define FMT_UNDEFINED 7 +#define FMT_SSHORT 8 +#define FMT_SLONG 9 +#define FMT_SRATIONAL 10 +#define FMT_SINGLE 11 +#define FMT_DOUBLE 12 + +/* Describes tag values */ + +#define TAG_EXIF_VERSION 0x9000 +#define TAG_EXIF_OFFSET 0x8769 +#define TAG_INTEROP_OFFSET 0xa005 + +#define TAG_MAKE 0x010F +#define TAG_MODEL 0x0110 + +#define TAG_ORIENTATION 0x0112 +#define TAG_XRESOLUTION 0x011A +#define TAG_YRESOLUTION 0x011B +#define TAG_RESOLUTIONUNIT 0x0128 + +#define TAG_EXPOSURETIME 0x829A +#define TAG_FNUMBER 0x829D + +#define TAG_SHUTTERSPEED 0x9201 +#define TAG_APERTURE 0x9202 +#define TAG_BRIGHTNESS 0x9203 +#define TAG_MAXAPERTURE 0x9205 +#define TAG_FOCALLENGTH 0x920A + +#define TAG_DATETIME_ORIGINAL 0x9003 +#define TAG_USERCOMMENT 0x9286 + +#define TAG_SUBJECT_DISTANCE 0x9206 +#define TAG_FLASH 0x9209 + +#define TAG_FOCALPLANEXRES 0xa20E +#define TAG_FOCALPLANEYRES 0xa20F +#define TAG_FOCALPLANEUNITS 0xa210 +#define TAG_EXIF_IMAGEWIDTH 0xA002 +#define TAG_EXIF_IMAGELENGTH 0xA003 + +/* the following is added 05-jan-2001 vcs */ +#define TAG_EXPOSURE_BIAS 0x9204 +#define TAG_WHITEBALANCE 0x9208 +#define TAG_METERING_MODE 0x9207 +#define TAG_EXPOSURE_PROGRAM 0x8822 +#define TAG_ISO_EQUIVALENT 0x8827 +#define TAG_COMPRESSION_LEVEL 0x9102 + +#define TAG_THUMBNAIL_OFFSET 0x0201 +#define TAG_THUMBNAIL_LENGTH 0x0202 + + +/*-------------------------------------------------------------------------- + Process one of the nested EXIF directories. +--------------------------------------------------------------------------*/ +bool CxImageJPG::CxExifInfo::ProcessExifDir(uint8_t * DirStart, uint8_t * OffsetBase, unsigned ExifLength, + EXIFINFO * const m_exifinfo, uint8_t ** const LastExifRefdP, int32_t NestingLevel) +{ + int32_t de; + int32_t a; + int32_t NumDirEntries; + unsigned ThumbnailOffset = 0; + unsigned ThumbnailSize = 0; + + if (NestingLevel > 4){ + strcpy(m_szLastError,"Maximum directory nesting exceeded (corrupt exif header)"); + return false; + } + + NumDirEntries = Get16u(DirStart); + + if ((DirStart+2+NumDirEntries*12) > (OffsetBase+ExifLength)){ + strcpy(m_szLastError,"Illegally sized directory"); + return false; + } + + for (de=0;de= NUM_FORMATS) { + /* (-1) catches illegal zero case as unsigned underflows to positive large */ + strcpy(m_szLastError,"Illegal format code in EXIF dir"); + return false; + } + + ByteCount = Components * BytesPerFormat[Format]; + + if (ByteCount > 4){ + unsigned OffsetVal; + OffsetVal = Get32u(DirEntry+8); + /* If its bigger than 4 bytes, the dir entry contains an offset.*/ + if (OffsetVal+ByteCount > ExifLength){ + /* Bogus pointer offset and / or bytecount value */ + strcpy(m_szLastError,"Illegal pointer offset value in EXIF."); + return false; + } + ValuePtr = OffsetBase+OffsetVal; + }else{ + /* 4 bytes or less and value is in the dir entry itself */ + ValuePtr = DirEntry+8; + } + + if (*LastExifRefdP < ValuePtr+ByteCount){ + /* Keep track of last byte in the exif header that was + actually referenced. That way, we know where the + discardable thumbnail data begins. + */ + *LastExifRefdP = ValuePtr+ByteCount; + } + + /* Extract useful components of tag */ + switch(Tag){ + + case TAG_MAKE: + strncpy(m_exifinfo->CameraMake, (char*)ValuePtr, 31); + break; + + case TAG_MODEL: + strncpy(m_exifinfo->CameraModel, (char*)ValuePtr, 39); + break; + + case TAG_EXIF_VERSION: + strncpy(m_exifinfo->Version,(char*)ValuePtr, 4); + break; + + case TAG_DATETIME_ORIGINAL: + strncpy(m_exifinfo->DateTime, (char*)ValuePtr, 19); + break; + + case TAG_USERCOMMENT: + // Olympus has this padded with trailing spaces. Remove these first. + for (a=ByteCount;;){ + a--; + if (((char*)ValuePtr)[a] == ' '){ + ((char*)ValuePtr)[a] = '\0'; + }else{ + break; + } + if (a == 0) break; + } + + /* Copy the comment */ + if (memcmp(ValuePtr, "ASCII",5) == 0){ + for (a=5;a<10;a++){ + char c; + c = ((char*)ValuePtr)[a]; + if (c != '\0' && c != ' '){ + strncpy(m_exifinfo->Comments, (char*)ValuePtr+a, 199); + break; + } + } + + }else{ + strncpy(m_exifinfo->Comments, (char*)ValuePtr, 199); + } + break; + + case TAG_FNUMBER: + /* Simplest way of expressing aperture, so I trust it the most. + (overwrite previously computd value if there is one) + */ + m_exifinfo->ApertureFNumber = (float)ConvertAnyFormat(ValuePtr, Format); + break; + + case TAG_APERTURE: + case TAG_MAXAPERTURE: + /* More relevant info always comes earlier, so only + use this field if we don't have appropriate aperture + information yet. + */ + if (m_exifinfo->ApertureFNumber == 0){ + m_exifinfo->ApertureFNumber = (float)exp(ConvertAnyFormat(ValuePtr, Format)*log(2.0f)*0.5); + } + break; + + case TAG_BRIGHTNESS: + m_exifinfo->Brightness = (float)ConvertAnyFormat(ValuePtr, Format); + break; + + case TAG_FOCALLENGTH: + /* Nice digital cameras actually save the focal length + as a function of how farthey are zoomed in. + */ + + m_exifinfo->FocalLength = (float)ConvertAnyFormat(ValuePtr, Format); + break; + + case TAG_SUBJECT_DISTANCE: + /* Inidcates the distacne the autofocus camera is focused to. + Tends to be less accurate as distance increases. + */ + m_exifinfo->Distance = (float)ConvertAnyFormat(ValuePtr, Format); + break; + + case TAG_EXPOSURETIME: + /* Simplest way of expressing exposure time, so I + trust it most. (overwrite previously computd value + if there is one) + */ + m_exifinfo->ExposureTime = + (float)ConvertAnyFormat(ValuePtr, Format); + break; + + case TAG_SHUTTERSPEED: + /* More complicated way of expressing exposure time, + so only use this value if we don't already have it + from somewhere else. + */ + if (m_exifinfo->ExposureTime == 0){ + m_exifinfo->ExposureTime = (float) + (1/exp(ConvertAnyFormat(ValuePtr, Format)*log(2.0f))); + } + break; + + case TAG_FLASH: + if ((int32_t)ConvertAnyFormat(ValuePtr, Format) & 7){ + m_exifinfo->FlashUsed = 1; + }else{ + m_exifinfo->FlashUsed = 0; + } + break; + + case TAG_ORIENTATION: + m_exifinfo->Orientation = (int32_t)ConvertAnyFormat(ValuePtr, Format); + if (m_exifinfo->Orientation < 1 || m_exifinfo->Orientation > 8){ + strcpy(m_szLastError,"Undefined rotation value"); + m_exifinfo->Orientation = 0; + } + break; + + case TAG_EXIF_IMAGELENGTH: + case TAG_EXIF_IMAGEWIDTH: + /* Use largest of height and width to deal with images + that have been rotated to portrait format. + */ + a = (int32_t)ConvertAnyFormat(ValuePtr, Format); + if (ExifImageWidth < a) ExifImageWidth = a; + break; + + case TAG_FOCALPLANEXRES: + m_exifinfo->FocalplaneXRes = (float)ConvertAnyFormat(ValuePtr, Format); + break; + + case TAG_FOCALPLANEYRES: + m_exifinfo->FocalplaneYRes = (float)ConvertAnyFormat(ValuePtr, Format); + break; + + case TAG_RESOLUTIONUNIT: + switch((int32_t)ConvertAnyFormat(ValuePtr, Format)){ + case 1: m_exifinfo->ResolutionUnit = 1.0f; break; /* 1 inch */ + case 2: m_exifinfo->ResolutionUnit = 1.0f; break; + case 3: m_exifinfo->ResolutionUnit = 0.3937007874f; break; /* 1 centimeter*/ + case 4: m_exifinfo->ResolutionUnit = 0.03937007874f; break; /* 1 millimeter*/ + case 5: m_exifinfo->ResolutionUnit = 0.00003937007874f; /* 1 micrometer*/ + } + break; + + case TAG_FOCALPLANEUNITS: + switch((int32_t)ConvertAnyFormat(ValuePtr, Format)){ + case 1: m_exifinfo->FocalplaneUnits = 1.0f; break; /* 1 inch */ + case 2: m_exifinfo->FocalplaneUnits = 1.0f; break; + case 3: m_exifinfo->FocalplaneUnits = 0.3937007874f; break; /* 1 centimeter*/ + case 4: m_exifinfo->FocalplaneUnits = 0.03937007874f; break; /* 1 millimeter*/ + case 5: m_exifinfo->FocalplaneUnits = 0.00003937007874f; /* 1 micrometer*/ + } + break; + + // Remaining cases contributed by: Volker C. Schoech + + case TAG_EXPOSURE_BIAS: + m_exifinfo->ExposureBias = (float) ConvertAnyFormat(ValuePtr, Format); + break; + + case TAG_WHITEBALANCE: + m_exifinfo->Whitebalance = (int32_t)ConvertAnyFormat(ValuePtr, Format); + break; + + case TAG_METERING_MODE: + m_exifinfo->MeteringMode = (int32_t)ConvertAnyFormat(ValuePtr, Format); + break; + + case TAG_EXPOSURE_PROGRAM: + m_exifinfo->ExposureProgram = (int32_t)ConvertAnyFormat(ValuePtr, Format); + break; + + case TAG_ISO_EQUIVALENT: + m_exifinfo->ISOequivalent = (int32_t)ConvertAnyFormat(ValuePtr, Format); + if ( m_exifinfo->ISOequivalent < 50 ) m_exifinfo->ISOequivalent *= 200; + break; + + case TAG_COMPRESSION_LEVEL: + m_exifinfo->CompressionLevel = (int32_t)ConvertAnyFormat(ValuePtr, Format); + break; + + case TAG_XRESOLUTION: + m_exifinfo->Xresolution = (float)ConvertAnyFormat(ValuePtr, Format); + break; + case TAG_YRESOLUTION: + m_exifinfo->Yresolution = (float)ConvertAnyFormat(ValuePtr, Format); + break; + + case TAG_THUMBNAIL_OFFSET: + ThumbnailOffset = (unsigned)ConvertAnyFormat(ValuePtr, Format); + break; + + case TAG_THUMBNAIL_LENGTH: + ThumbnailSize = (unsigned)ConvertAnyFormat(ValuePtr, Format); + break; + + } + + if (Tag == TAG_EXIF_OFFSET || Tag == TAG_INTEROP_OFFSET){ + uint8_t * SubdirStart; + unsigned Offset = Get32u(ValuePtr); + if (Offset>8){ + SubdirStart = OffsetBase + Offset; + if (SubdirStart < OffsetBase || + SubdirStart > OffsetBase+ExifLength){ + strcpy(m_szLastError,"Illegal subdirectory link"); + return false; + } + ProcessExifDir(SubdirStart, OffsetBase, ExifLength, m_exifinfo, LastExifRefdP, NestingLevel+1); + } + continue; + } + } + + + { + /* In addition to linking to subdirectories via exif tags, + there's also a potential link to another directory at the end + of each directory. This has got to be the result of a + committee! + */ + uint8_t * SubdirStart; + unsigned Offset; + Offset = Get16u(DirStart+2+12*NumDirEntries); + if (Offset){ + SubdirStart = OffsetBase + Offset; + if (SubdirStart < OffsetBase + || SubdirStart > OffsetBase+ExifLength){ + strcpy(m_szLastError,"Illegal subdirectory link"); + return false; + } + ProcessExifDir(SubdirStart, OffsetBase, ExifLength, m_exifinfo, LastExifRefdP, NestingLevel+1); + } + } + + + if (ThumbnailSize && ThumbnailOffset){ + if (ThumbnailSize + ThumbnailOffset <= ExifLength){ + /* The thumbnail pointer appears to be valid. Store it. */ + m_exifinfo->ThumbnailPointer = OffsetBase + ThumbnailOffset; + m_exifinfo->ThumbnailSize = ThumbnailSize; + } + } + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/*-------------------------------------------------------------------------- + Evaluate number, be it int32_t, rational, or float from directory. +--------------------------------------------------------------------------*/ +double CxImageJPG::CxExifInfo::ConvertAnyFormat(void * ValuePtr, int32_t Format) +{ + double Value; + Value = 0; + + switch(Format){ + case FMT_SBYTE: Value = *(signed char *)ValuePtr; break; + case FMT_BYTE: Value = *(uint8_t *)ValuePtr; break; + + case FMT_USHORT: Value = Get16u(ValuePtr); break; + case FMT_ULONG: Value = Get32u(ValuePtr); break; + + case FMT_URATIONAL: + case FMT_SRATIONAL: + { + int32_t Num,Den; + Num = Get32s(ValuePtr); + Den = Get32s(4+(char *)ValuePtr); + if (Den == 0){ + Value = 0; + }else{ + Value = (double)Num/Den; + } + break; + } + + case FMT_SSHORT: Value = (int16_t)Get16u(ValuePtr); break; + case FMT_SLONG: Value = Get32s(ValuePtr); break; + + /* Not sure if this is correct (never seen float used in Exif format) + */ + case FMT_SINGLE: Value = (double)*(float *)ValuePtr; break; + case FMT_DOUBLE: Value = *(double *)ValuePtr; break; + } + return Value; +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageJPG::CxExifInfo::process_COM (const uint8_t * Data, int32_t length) +{ + int32_t ch; + char Comment[MAX_COMMENT+1]; + int32_t nch; + int32_t a; + + nch = 0; + + if (length > MAX_COMMENT) length = MAX_COMMENT; // Truncate if it won't fit in our structure. + + for (a=2;aComments,Comment); +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageJPG::CxExifInfo::process_SOFn (const uint8_t * Data, int32_t marker) +{ + int32_t data_precision, num_components; + + data_precision = Data[2]; + m_exifinfo->Height = Get16m((void*)(Data+3)); + m_exifinfo->Width = Get16m((void*)(Data+5)); + num_components = Data[7]; + + if (num_components == 3){ + m_exifinfo->IsColor = 1; + }else{ + m_exifinfo->IsColor = 0; + } + + m_exifinfo->Process = marker; + + //if (ShowTags) printf("JPEG image is %uw * %uh, %d color components, %d bits per sample\n", + // ImageInfo.Width, ImageInfo.Height, num_components, data_precision); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * this will work only on a CxImageJPG object, if the image originally has valid EXIF data + \verbatim + CxImageJPG jpg; + CxIOFile in,out; + in.Open("D:\\exif_in.jpg","rb"); + out.Open("D:\\exif_out.jpg","w+b"); + jpg.Decode(&in); + if (jpg.IsValid()){ + jpg.RotateLeft(); + jpg.Encode(&out); + } + \endverbatim +*/ +bool CxImageJPG::CxExifInfo::EncodeExif(CxFile * hFile) +{ + int32_t a; + + if (FindSection(M_SOS)==NULL){ + strcpy(m_szLastError,"Can't write exif : didn't read all"); + return false; + } + + // Initial static jpeg marker. + hFile->PutC(0xff); + hFile->PutC(0xd8); + + if (Sections[0].Type != M_EXIF && Sections[0].Type != M_JFIF){ + // The image must start with an exif or jfif marker. If we threw those away, create one. + static uint8_t JfifHead[18] = { + 0xff, M_JFIF, + 0x00, 0x10, 'J' , 'F' , 'I' , 'F' , 0x00, 0x01, + 0x01, 0x01, 0x01, 0x2C, 0x01, 0x2C, 0x00, 0x00 + }; + hFile->Write(JfifHead, 18, 1); + } + + // Write all the misc sections + for (a=0;aPutC(0xff); + hFile->PutC((uint8_t)(Sections[a].Type)); + hFile->Write(Sections[a].Data, Sections[a].Size, 1); + } + + // Write the remaining image data. + hFile->Write(Sections[a].Data, Sections[a].Size, 1); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageJPG::CxExifInfo::DiscardAllButExif() +{ + Section_t ExifKeeper; + Section_t CommentKeeper; + int32_t a; + + memset(&ExifKeeper, 0, sizeof(ExifKeeper)); + memset(&CommentKeeper, 0, sizeof(ExifKeeper)); + + for (a=0;a Use it before Create() + */ +void CxImage::CopyInfo(const CxImage &src) +{ + if (pDib==NULL) memcpy(&info,&src.info,sizeof(CXIMAGEINFO)); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \sa Copy + */ +CxImage& CxImage::operator = (const CxImage& isrc) +{ + if (this != &isrc) Copy(isrc); + return *this; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Initializes or rebuilds the image. + * \param dwWidth: width + * \param dwHeight: height + * \param wBpp: bit per pixel, can be 1, 4, 8, 24 + * \param imagetype: (optional) set the image format, see ENUM_CXIMAGE_FORMATS + * \return pointer to the internal pDib object; NULL if an error occurs. + */ +void* CxImage::Create(uint32_t dwWidth, uint32_t dwHeight, uint32_t wBpp, uint32_t imagetype) +{ + // destroy the existing image (if any) + if (!Destroy()) + return NULL; + + // prevent further actions if width or height are not vaild + if ((dwWidth == 0) || (dwHeight == 0)){ + strcpy(info.szLastError,"CxImage::Create : width and height must be greater than zero"); + return NULL; + } + + // Make sure bits per pixel is valid + if (wBpp <= 1) wBpp = 1; + else if (wBpp <= 4) wBpp = 4; + else if (wBpp <= 8) wBpp = 8; + else wBpp = 24; + + // limit memory requirements + if ((((float)dwWidth*(float)dwHeight*(float)wBpp)/8.0f) > (float)CXIMAGE_MAX_MEMORY) + { + strcpy(info.szLastError,"CXIMAGE_MAX_MEMORY exceeded"); + return NULL; + } + + // set the correct bpp value + switch (wBpp){ + case 1: + head.biClrUsed = 2; break; + case 4: + head.biClrUsed = 16; break; + case 8: + head.biClrUsed = 256; break; + default: + head.biClrUsed = 0; + } + + //set the common image informations + info.dwEffWidth = ((((wBpp * dwWidth) + 31) / 32) * 4); + info.dwType = imagetype; + + // initialize BITMAPINFOHEADER + head.biSize = sizeof(BITMAPINFOHEADER); // + head.biWidth = dwWidth; // fill in width from parameter + head.biHeight = dwHeight; // fill in height from parameter + head.biPlanes = 1; // must be 1 + head.biBitCount = (uint16_t)wBpp; // from parameter + head.biCompression = BI_RGB; + head.biSizeImage = info.dwEffWidth * dwHeight; +// head.biXPelsPerMeter = 0; See SetXDPI +// head.biYPelsPerMeter = 0; See SetYDPI +// head.biClrImportant = 0; See SetClrImportant + + pDib = malloc(GetSize()); // alloc memory block to store our bitmap + if (!pDib){ + strcpy(info.szLastError,"CxImage::Create can't allocate memory"); + return NULL; + } + + //clear the palette + RGBQUAD* pal=GetPalette(); + if (pal) memset(pal,0,GetPaletteSize()); + //Destroy the existing selection +#if CXIMAGE_SUPPORT_SELECTION + if (pSelection) SelectionDelete(); +#endif //CXIMAGE_SUPPORT_SELECTION + //Destroy the existing alpha channel +#if CXIMAGE_SUPPORT_ALPHA + if (pAlpha) AlphaDelete(); +#endif //CXIMAGE_SUPPORT_ALPHA + + // use our bitmap info structure to fill in first part of + // our DIB with the BITMAPINFOHEADER + BITMAPINFOHEADER* lpbi; + lpbi = (BITMAPINFOHEADER*)(pDib); + *lpbi = head; + + info.pImage=GetBits(); + + return pDib; //return handle to the DIB +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \return pointer to the image pixels. USE CAREFULLY + */ +uint8_t* CxImage::GetBits(uint32_t row) +{ + if (pDib){ + if (row) { + if (row<(uint32_t)head.biHeight){ + return ((uint8_t*)pDib + *(uint32_t*)pDib + GetPaletteSize() + (info.dwEffWidth * row)); + } else { + return NULL; + } + } else { + return ((uint8_t*)pDib + *(uint32_t*)pDib + GetPaletteSize()); + } + } + return NULL; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \return the size in bytes of the internal pDib object + */ +int32_t CxImage::GetSize() +{ + return head.biSize + head.biSizeImage + GetPaletteSize(); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Checks if the coordinates are inside the image + * \return true if x and y are both inside the image + */ +bool CxImage::IsInside(int32_t x, int32_t y) +{ + return (0<=y && y 0) bval = 255; + } + if (GetBpp() == 4){ + bval = (uint8_t)(17*(0x0F & bval)); + } + + memset(info.pImage,bval,head.biSizeImage); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Transfers the image from an existing source image. The source becomes empty. + * \return true if everything is ok + */ +bool CxImage::Transfer(CxImage &from, bool bTransferFrames /*=true*/) +{ + if (!Destroy()) + return false; + + memcpy(&head,&from.head,sizeof(BITMAPINFOHEADER)); + memcpy(&info,&from.info,sizeof(CXIMAGEINFO)); + + pDib = from.pDib; + pSelection = from.pSelection; + pAlpha = from.pAlpha; + ppLayers = from.ppLayers; + + memset(&from.head,0,sizeof(BITMAPINFOHEADER)); + memset(&from.info,0,sizeof(CXIMAGEINFO)); + from.pDib = from.pSelection = from.pAlpha = NULL; + from.ppLayers = NULL; + + if (bTransferFrames){ + DestroyFrames(); + ppFrames = from.ppFrames; + from.ppFrames = NULL; + } + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * (this) points to the same pDib owned by (*from), the image remains in (*from) + * but (this) has the access to the pixels. Use carefully !!! + */ +void CxImage::Ghost(const CxImage *from) +{ + if (from){ + memcpy(&head,&from->head,sizeof(BITMAPINFOHEADER)); + memcpy(&info,&from->info,sizeof(CXIMAGEINFO)); + pDib = from->pDib; + pSelection = from->pSelection; + pAlpha = from->pAlpha; + ppLayers = from->ppLayers; + ppFrames = from->ppFrames; + info.pGhost=(CxImage *)from; + } +} +//////////////////////////////////////////////////////////////////////////////// +/** + * turns a 16 or 32 bit bitfield image into a RGB image + */ +void CxImage::Bitfield2RGB(uint8_t *src, uint32_t redmask, uint32_t greenmask, uint32_t bluemask, uint8_t bpp) +{ + switch (bpp){ + case 16: + { + uint32_t ns[3]={0,0,0}; + // compute the number of shift for each mask + for (int32_t i=0;i<16;i++){ + if ((redmask>>i)&0x01) ns[0]++; + if ((greenmask>>i)&0x01) ns[1]++; + if ((bluemask>>i)&0x01) ns[2]++; + } + ns[1]+=ns[0]; ns[2]+=ns[1]; ns[0]=8-ns[0]; ns[1]-=8; ns[2]-=8; + // dword aligned width for 16 bit image + int32_t effwidth2=(((head.biWidth + 1) / 2) * 4); + uint16_t w; + int32_t y2,y3,x2,x3; + uint8_t *p=info.pImage; + // scan the buffer in reverse direction to avoid reallocations + for (int32_t y=head.biHeight-1; y>=0; y--){ + y2=effwidth2*y; + y3=info.dwEffWidth*y; + for (int32_t x=head.biWidth-1; x>=0; x--){ + x2 = 2*x+y2; + x3 = 3*x+y3; + w = (uint16_t)(src[x2]+256*src[1+x2]); + p[ x3]=(uint8_t)((w & bluemask)<>ns[1]); + p[2+x3]=(uint8_t)((w & redmask)>>ns[2]); + } + } + break; + } + case 32: + { + uint32_t ns[3]={0,0,0}; + // compute the number of shift for each mask + for (int32_t i=8;i<32;i+=8){ + if (redmask>>i) ns[0]++; + if (greenmask>>i) ns[1]++; + if (bluemask>>i) ns[2]++; + } + // dword aligned width for 32 bit image + int32_t effwidth4 = head.biWidth * 4; + int32_t y4,y3,x4,x3; + uint8_t *p=info.pImage; + // scan the buffer in reverse direction to avoid reallocations + for (int32_t y=head.biHeight-1; y>=0; y--){ + y4=effwidth4*y; + y3=info.dwEffWidth*y; + for (int32_t x=head.biWidth-1; x>=0; x--){ + x4 = 4*x+y4; + x3 = 3*x+y3; + p[ x3]=src[ns[2]+x4]; + p[1+x3]=src[ns[1]+x4]; + p[2+x3]=src[ns[0]+x4]; + } + } + } + + } + return; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Creates an image from a generic buffer + * \param pArray: source memory buffer + * \param dwWidth: image width + * \param dwHeight: image height + * \param dwBitsperpixel: can be 1,4,8,24,32 + * \param dwBytesperline: line alignment, in bytes, for a single row stored in pArray + * \param bFlipImage: tune this parameter if the image is upsidedown + * \return true if everything is ok + */ +bool CxImage::CreateFromArray(uint8_t* pArray,uint32_t dwWidth,uint32_t dwHeight,uint32_t dwBitsperpixel, uint32_t dwBytesperline, bool bFlipImage) +{ + if (pArray==NULL) return false; + if (!((dwBitsperpixel==1)||(dwBitsperpixel==4)||(dwBitsperpixel==8)|| + (dwBitsperpixel==24)||(dwBitsperpixel==32))) return false; + + if (!Create(dwWidth,dwHeight,dwBitsperpixel)) return false; + + if (dwBitsperpixel<24) SetGrayPalette(); + +#if CXIMAGE_SUPPORT_ALPHA + if (dwBitsperpixel==32) AlphaCreate(); +#endif //CXIMAGE_SUPPORT_ALPHA + + uint8_t *dst,*src; + + for (uint32_t y = 0; yrgbRed,c1->rgbGreen,c1->rgbBlue); + int32_t g2 = (int32_t)RGB2GRAY(c2->rgbRed,c2->rgbGreen,c2->rgbBlue); + + return (g1-g2); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * simply calls "if (memblock) free(memblock);". + * Useful when calling Encode for a memory buffer, + * from a DLL compiled with different memory management options. + * CxImage::FreeMemory will use the same memory environment used by Encode. + * \author [livecn] + */ +void CxImage::FreeMemory(void* memblock) +{ + if (memblock) + free(memblock); +} +//////////////////////////////////////////////////////////////////////////////// +//EOF diff --git a/smelt/glfw/CxImage/ximage.h b/smelt/glfw/CxImage/ximage.h new file mode 100644 index 0000000..4eed84e --- /dev/null +++ b/smelt/glfw/CxImage/ximage.h @@ -0,0 +1,808 @@ +/* + * File: ximage.h + * Purpose: General Purpose Image Class + */ +/* + -------------------------------------------------------------------------------- + + COPYRIGHT NOTICE, DISCLAIMER, and LICENSE: + + CxImage version 7.0.0 31/Dec/2010 + + CxImage : Copyright (C) 2001 - 2010, Davide Pizzolato + + Original CImage and CImageIterator implementation are: + Copyright (C) 1995, Alejandro Aguilar Sierra (asierra(at)servidor(dot)unam(dot)mx) + + Covered code is provided under this license on an "as is" basis, without warranty + of any kind, either expressed or implied, including, without limitation, warranties + that the covered code is free of defects, merchantable, fit for a particular purpose + or non-infringing. The entire risk as to the quality and performance of the covered + code is with you. Should any covered code prove defective in any respect, you (not + the initial developer or any other contributor) assume the cost of any necessary + servicing, repair or correction. This disclaimer of warranty constitutes an essential + part of this license. No use of any covered code is authorized hereunder except under + this disclaimer. + + Permission is hereby granted to use, copy, modify, and distribute this + source code, or portions hereof, for any purpose, including commercial applications, + freely and without fee, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + + 3. This notice may not be removed or altered from any source distribution. + + -------------------------------------------------------------------------------- + + Other information about CxImage, and the latest version, can be found at the + CxImage home page: http://www.xdp.it/cximage/ + + -------------------------------------------------------------------------------- + */ +#if !defined(__CXIMAGE_H) +#define __CXIMAGE_H + +#if _MSC_VER > 1000 +#pragma once +#endif +#ifdef _LINUX +#ifndef _XOPEN_SOURCE + #define _XOPEN_SOURCE +#endif + #include + #include +#endif + +///////////////////////////////////////////////////////////////////////////// +#include "xfile.h" +#include "xiofile.h" +#include "xmemfile.h" +#include "ximadef.h" // adjust some #define + +/* see "ximacfg.h" for CxImage configuration options */ + +///////////////////////////////////////////////////////////////////////////// +// CxImage formats enumerator +enum ENUM_CXIMAGE_FORMATS{ +CXIMAGE_FORMAT_UNKNOWN = 0, +#if CXIMAGE_SUPPORT_BMP +CXIMAGE_FORMAT_BMP = 1, +#endif +#if CXIMAGE_SUPPORT_GIF +CXIMAGE_FORMAT_GIF = 2, +#endif +#if CXIMAGE_SUPPORT_JPG +CXIMAGE_FORMAT_JPG = 3, +#endif +#if CXIMAGE_SUPPORT_PNG +CXIMAGE_FORMAT_PNG = 4, +#endif +#if CXIMAGE_SUPPORT_ICO +CXIMAGE_FORMAT_ICO = 5, +#endif +#if CXIMAGE_SUPPORT_TIF +CXIMAGE_FORMAT_TIF = 6, +#endif +#if CXIMAGE_SUPPORT_TGA +CXIMAGE_FORMAT_TGA = 7, +#endif +#if CXIMAGE_SUPPORT_PCX +CXIMAGE_FORMAT_PCX = 8, +#endif +#if CXIMAGE_SUPPORT_WBMP +CXIMAGE_FORMAT_WBMP = 9, +#endif +#if CXIMAGE_SUPPORT_WMF +CXIMAGE_FORMAT_WMF = 10, +#endif +#if CXIMAGE_SUPPORT_JP2 +CXIMAGE_FORMAT_JP2 = 11, +#endif +#if CXIMAGE_SUPPORT_JPC +CXIMAGE_FORMAT_JPC = 12, +#endif +#if CXIMAGE_SUPPORT_PGX +CXIMAGE_FORMAT_PGX = 13, +#endif +#if CXIMAGE_SUPPORT_PNM +CXIMAGE_FORMAT_PNM = 14, +#endif +#if CXIMAGE_SUPPORT_RAS +CXIMAGE_FORMAT_RAS = 15, +#endif +#if CXIMAGE_SUPPORT_JBG +CXIMAGE_FORMAT_JBG = 16, +#endif +#if CXIMAGE_SUPPORT_MNG +CXIMAGE_FORMAT_MNG = 17, +#endif +#if CXIMAGE_SUPPORT_SKA +CXIMAGE_FORMAT_SKA = 18, +#endif +#if CXIMAGE_SUPPORT_RAW +CXIMAGE_FORMAT_RAW = 19, +#endif +#if CXIMAGE_SUPPORT_PSD +CXIMAGE_FORMAT_PSD = 20, +#endif +CMAX_IMAGE_FORMATS = CXIMAGE_SUPPORT_BMP + CXIMAGE_SUPPORT_GIF + CXIMAGE_SUPPORT_JPG + + CXIMAGE_SUPPORT_PNG + CXIMAGE_SUPPORT_MNG + CXIMAGE_SUPPORT_ICO + + CXIMAGE_SUPPORT_TIF + CXIMAGE_SUPPORT_TGA + CXIMAGE_SUPPORT_PCX + + CXIMAGE_SUPPORT_WBMP+ CXIMAGE_SUPPORT_WMF + + CXIMAGE_SUPPORT_JBG + CXIMAGE_SUPPORT_JP2 + CXIMAGE_SUPPORT_JPC + + CXIMAGE_SUPPORT_PGX + CXIMAGE_SUPPORT_PNM + CXIMAGE_SUPPORT_RAS + + CXIMAGE_SUPPORT_SKA + CXIMAGE_SUPPORT_RAW + CXIMAGE_SUPPORT_PSD + 1 +}; + +#if CXIMAGE_SUPPORT_EXIF + +#define MAX_COMMENT 255 +#define MAX_SECTIONS 20 + +typedef struct tag_ExifInfo { + char Version [5]; + char CameraMake [32]; + char CameraModel [40]; + char DateTime [20]; + int32_t Height, Width; + int32_t Orientation; + int32_t IsColor; + int32_t Process; + int32_t FlashUsed; + float FocalLength; + float ExposureTime; + float ApertureFNumber; + float Distance; + float CCDWidth; + float ExposureBias; + int32_t Whitebalance; + int32_t MeteringMode; + int32_t ExposureProgram; + int32_t ISOequivalent; + int32_t CompressionLevel; + float FocalplaneXRes; + float FocalplaneYRes; + float FocalplaneUnits; + float Xresolution; + float Yresolution; + float ResolutionUnit; + float Brightness; + char Comments[MAX_COMMENT+1]; + + uint8_t * ThumbnailPointer; /* Pointer at the thumbnail */ + unsigned ThumbnailSize; /* Size of thumbnail. */ + + bool IsExif; +} EXIFINFO; + +#endif //CXIMAGE_SUPPORT_EXIF + +///////////////////////////////////////////////////////////////////////////// +// CxImage class +///////////////////////////////////////////////////////////////////////////// +class DLL_EXP CxImage +{ +//extensible information collector +typedef struct tagCxImageInfo { + uint32_t dwEffWidth; ///< uint32_t aligned scan line width + uint8_t* pImage; ///< THE IMAGE BITS + CxImage* pGhost; ///< if this is a ghost, pGhost points to the body + CxImage* pParent; ///< if this is a layer, pParent points to the body + uint32_t dwType; ///< original image format + char szLastError[256]; ///< debugging + int32_t nProgress; ///< monitor + int32_t nEscape; ///< escape + int32_t nBkgndIndex; ///< used for GIF, PNG, MNG + RGBQUAD nBkgndColor; ///< used for RGB transparency + float fQuality; ///< used for JPEG, JPEG2000 (0.0f ... 100.0f) + uint8_t nJpegScale; ///< used for JPEG [ignacio] + int32_t nFrame; ///< used for TIF, GIF, MNG : actual frame + int32_t nNumFrames; ///< used for TIF, GIF, MNG : total number of frames + uint32_t dwFrameDelay; ///< used for GIF, MNG + int32_t xDPI; ///< horizontal resolution + int32_t yDPI; ///< vertical resolution + RECT rSelectionBox; ///< bounding rectangle + uint8_t nAlphaMax; ///< max opacity (fade) + bool bAlphaPaletteEnabled; ///< true if alpha values in the palette are enabled. + bool bEnabled; ///< enables the painting functions + int32_t xOffset; + int32_t yOffset; + uint32_t dwCodecOpt[CMAX_IMAGE_FORMATS]; ///< for GIF, TIF : 0=def.1=unc,2=fax3,3=fax4,4=pack,5=jpg + RGBQUAD last_c; ///< for GetNearestIndex optimization + uint8_t last_c_index; + bool last_c_isvalid; + int32_t nNumLayers; + uint32_t dwFlags; ///< 0x??00000 = reserved, 0x00??0000 = blend mode, 0x0000???? = layer id - user flags + uint8_t dispmeth; + bool bGetAllFrames; + bool bLittleEndianHost; + +#if CXIMAGE_SUPPORT_EXIF + EXIFINFO ExifInfo; +#endif + +} CXIMAGEINFO; + +public: + //public structures +struct rgb_color { uint8_t r,g,b; }; + +#if CXIMAGE_SUPPORT_WINDOWS +// text placement data +// members must be initialized with the InitTextInfo(&this) function. +typedef struct tagCxTextInfo +{ +#if defined (_WIN32_WCE) + TCHAR text[256]; ///< text for windows CE +#else + TCHAR text[4096]; ///< text (char -> TCHAR for UNICODE [Cesar M]) +#endif + LOGFONT lfont; ///< font and codepage data + COLORREF fcolor; ///< foreground color + int32_t align; ///< DT_CENTER, DT_RIGHT, DT_LEFT aligment for multiline text + uint8_t smooth; ///< text smoothing option. Default is false. + uint8_t opaque; ///< text has background or hasn't. Default is true. + ///< data for background (ignored if .opaque==FALSE) + COLORREF bcolor; ///< background color + float b_opacity; ///< opacity value for background between 0.0-1.0 Default is 0. (opaque) + uint8_t b_outline; ///< outline width for background (zero: no outline) + uint8_t b_round; ///< rounding radius for background rectangle. % of the height, between 0-50. Default is 10. + ///< (backgr. always has a frame: width = 3 pixel + 10% of height by default.) +} CXTEXTINFO; +#endif + +public: +/** \addtogroup Constructors */ //@{ + CxImage(uint32_t imagetype = 0); + CxImage(uint32_t dwWidth, uint32_t dwHeight, uint32_t wBpp, uint32_t imagetype = 0); + CxImage(const CxImage &src, bool copypixels = true, bool copyselection = true, bool copyalpha = true); +#if CXIMAGE_SUPPORT_DECODE + CxImage(const TCHAR * filename, uint32_t imagetype); // For UNICODE support: char -> TCHAR + CxImage(FILE * stream, uint32_t imagetype); + CxImage(CxFile * stream, uint32_t imagetype); + CxImage(uint8_t * buffer, uint32_t size, uint32_t imagetype); +#endif + virtual ~CxImage() { DestroyFrames(); Destroy(); }; + CxImage& operator = (const CxImage&); +//@} + +/** \addtogroup Initialization */ //@{ + void* Create(uint32_t dwWidth, uint32_t dwHeight, uint32_t wBpp, uint32_t imagetype = 0); + bool Destroy(); + bool DestroyFrames(); + void Clear(uint8_t bval=0); + void Copy(const CxImage &src, bool copypixels = true, bool copyselection = true, bool copyalpha = true); + bool Transfer(CxImage &from, bool bTransferFrames = true); + bool CreateFromArray(uint8_t* pArray,uint32_t dwWidth,uint32_t dwHeight,uint32_t dwBitsperpixel, uint32_t dwBytesperline, bool bFlipImage); + bool CreateFromMatrix(uint8_t** ppMatrix,uint32_t dwWidth,uint32_t dwHeight,uint32_t dwBitsperpixel, uint32_t dwBytesperline, bool bFlipImage); + void FreeMemory(void* memblock); + + uint32_t Dump(uint8_t * dst); + uint32_t UnDump(const uint8_t * src); + uint32_t DumpSize(); + +//@} + +/** \addtogroup Attributes */ //@{ + int32_t GetSize(); + uint8_t* GetBits(uint32_t row = 0); + uint8_t GetColorType(); + void* GetDIB() const; + uint32_t GetHeight() const; + uint32_t GetWidth() const; + uint32_t GetEffWidth() const; + uint32_t GetNumColors() const; + uint16_t GetBpp() const; + uint32_t GetType() const; + const char* GetLastError(); + static const TCHAR* GetVersion(); + static const float GetVersionNumber(); + + uint32_t GetFrameDelay() const; + void SetFrameDelay(uint32_t d); + + void GetOffset(int32_t *x,int32_t *y); + void SetOffset(int32_t x,int32_t y); + + uint8_t GetJpegQuality() const; + void SetJpegQuality(uint8_t q); + float GetJpegQualityF() const; + void SetJpegQualityF(float q); + + uint8_t GetJpegScale() const; + void SetJpegScale(uint8_t q); + +#if CXIMAGE_SUPPORT_EXIF + EXIFINFO *GetExifInfo() {return &info.ExifInfo;}; + bool GetExifThumbnail(const TCHAR *filename, const TCHAR *outname, int32_t imageType); + #if CXIMAGE_SUPPORT_TRANSFORMATION + bool RotateExif(int32_t orientation = 0); + #endif +#endif + + int32_t GetXDPI() const; + int32_t GetYDPI() const; + void SetXDPI(int32_t dpi); + void SetYDPI(int32_t dpi); + + uint32_t GetClrImportant() const; + void SetClrImportant(uint32_t ncolors = 0); + + int32_t GetProgress() const; + int32_t GetEscape() const; + void SetProgress(int32_t p); + void SetEscape(int32_t i); + + int32_t GetTransIndex() const; + RGBQUAD GetTransColor(); + void SetTransIndex(int32_t idx); + void SetTransColor(RGBQUAD rgb); + bool IsTransparent() const; + + uint32_t GetCodecOption(uint32_t imagetype = 0); + bool SetCodecOption(uint32_t opt, uint32_t imagetype = 0); + + uint32_t GetFlags() const; + void SetFlags(uint32_t flags, bool bLockReservedFlags = true); + + uint8_t GetDisposalMethod() const; + void SetDisposalMethod(uint8_t dm); + + bool SetType(uint32_t type); + + static uint32_t GetNumTypes(); + static uint32_t GetTypeIdFromName(const TCHAR* ext); + static uint32_t GetTypeIdFromIndex(const uint32_t index); + static uint32_t GetTypeIndexFromId(const uint32_t id); + + bool GetRetreiveAllFrames() const; + void SetRetreiveAllFrames(bool flag); + CxImage * GetFrame(int32_t nFrame) const; + + //void* GetUserData() const {return info.pUserData;} + //void SetUserData(void* pUserData) {info.pUserData = pUserData;} +//@} + +/** \addtogroup Palette + * These functions have no effects on RGB images and in this case the returned value is always 0. + * @{ */ + bool IsGrayScale(); + bool IsIndexed() const; + bool IsSamePalette(CxImage &img, bool bCheckAlpha = true); + uint32_t GetPaletteSize(); + RGBQUAD* GetPalette() const; + RGBQUAD GetPaletteColor(uint8_t idx); + bool GetPaletteColor(uint8_t i, uint8_t* r, uint8_t* g, uint8_t* b); + uint8_t GetNearestIndex(RGBQUAD c); + void BlendPalette(COLORREF cr,int32_t perc); + void SetGrayPalette(); + void SetPalette(uint32_t n, uint8_t *r, uint8_t *g, uint8_t *b); + void SetPalette(RGBQUAD* pPal,uint32_t nColors=256); + void SetPalette(rgb_color *rgb,uint32_t nColors=256); + void SetPaletteColor(uint8_t idx, uint8_t r, uint8_t g, uint8_t b, uint8_t alpha=0); + void SetPaletteColor(uint8_t idx, RGBQUAD c); + void SetPaletteColor(uint8_t idx, COLORREF cr); + void SwapIndex(uint8_t idx1, uint8_t idx2); + void SwapRGB2BGR(); + void SetStdPalette(); +//@} + +/** \addtogroup Pixel */ //@{ + bool IsInside(int32_t x, int32_t y); + bool IsTransparent(int32_t x,int32_t y); + bool GetTransparentMask(CxImage* iDst = 0); + RGBQUAD GetPixelColor(int32_t x,int32_t y, bool bGetAlpha = true); + uint8_t GetPixelIndex(int32_t x,int32_t y); + uint8_t GetPixelGray(int32_t x, int32_t y); + void SetPixelColor(int32_t x,int32_t y,RGBQUAD c, bool bSetAlpha = false); + void SetPixelColor(int32_t x,int32_t y,COLORREF cr); + void SetPixelIndex(int32_t x,int32_t y,uint8_t i); + void DrawLine(int32_t StartX, int32_t EndX, int32_t StartY, int32_t EndY, RGBQUAD color, bool bSetAlpha=false); + void DrawLine(int32_t StartX, int32_t EndX, int32_t StartY, int32_t EndY, COLORREF cr); + void BlendPixelColor(int32_t x,int32_t y,RGBQUAD c, float blend, bool bSetAlpha = false); +//@} + +protected: +/** \addtogroup Protected */ //@{ + uint8_t BlindGetPixelIndex(const int32_t x,const int32_t y); + RGBQUAD BlindGetPixelColor(const int32_t x,const int32_t y, bool bGetAlpha = true); + void *BlindGetPixelPointer(const int32_t x,const int32_t y); + void BlindSetPixelColor(int32_t x,int32_t y,RGBQUAD c, bool bSetAlpha = false); + void BlindSetPixelIndex(int32_t x,int32_t y,uint8_t i); +//@} + +public: + +#if CXIMAGE_SUPPORT_INTERPOLATION +/** \addtogroup Interpolation */ //@{ + //overflow methods: + enum OverflowMethod { + OM_COLOR=1, + OM_BACKGROUND=2, + OM_TRANSPARENT=3, + OM_WRAP=4, + OM_REPEAT=5, + OM_MIRROR=6 + }; + void OverflowCoordinates(float &x, float &y, OverflowMethod const ofMethod); + void OverflowCoordinates(int32_t &x, int32_t &y, OverflowMethod const ofMethod); + RGBQUAD GetPixelColorWithOverflow(int32_t x, int32_t y, OverflowMethod const ofMethod=OM_BACKGROUND, RGBQUAD* const rplColor=0); + //interpolation methods: + enum InterpolationMethod { + IM_NEAREST_NEIGHBOUR=1, + IM_BILINEAR =2, + IM_BSPLINE =3, + IM_BICUBIC =4, + IM_BICUBIC2 =5, + IM_LANCZOS =6, + IM_BOX =7, + IM_HERMITE =8, + IM_HAMMING =9, + IM_SINC =10, + IM_BLACKMAN =11, + IM_BESSEL =12, + IM_GAUSSIAN =13, + IM_QUADRATIC =14, + IM_MITCHELL =15, + IM_CATROM =16, + IM_HANNING =17, + IM_POWER =18 + }; + RGBQUAD GetPixelColorInterpolated(float x,float y, InterpolationMethod const inMethod=IM_BILINEAR, OverflowMethod const ofMethod=OM_BACKGROUND, RGBQUAD* const rplColor=0); + RGBQUAD GetAreaColorInterpolated(float const xc, float const yc, float const w, float const h, InterpolationMethod const inMethod, OverflowMethod const ofMethod=OM_BACKGROUND, RGBQUAD* const rplColor=0); +//@} + +protected: +/** \addtogroup Protected */ //@{ + void AddAveragingCont(RGBQUAD const &color, float const surf, float &rr, float &gg, float &bb, float &aa); +//@} + +/** \addtogroup Kernels */ //@{ +public: + static float KernelBSpline(const float x); + static float KernelLinear(const float t); + static float KernelCubic(const float t); + static float KernelGeneralizedCubic(const float t, const float a=-1); + static float KernelLanczosSinc(const float t, const float r = 3); + static float KernelBox(const float x); + static float KernelHermite(const float x); + static float KernelHamming(const float x); + static float KernelSinc(const float x); + static float KernelBlackman(const float x); + static float KernelBessel_J1(const float x); + static float KernelBessel_P1(const float x); + static float KernelBessel_Q1(const float x); + static float KernelBessel_Order1(float x); + static float KernelBessel(const float x); + static float KernelGaussian(const float x); + static float KernelQuadratic(const float x); + static float KernelMitchell(const float x); + static float KernelCatrom(const float x); + static float KernelHanning(const float x); + static float KernelPower(const float x, const float a = 2); +//@} +#endif //CXIMAGE_SUPPORT_INTERPOLATION + +/** \addtogroup Painting */ //@{ +#if CXIMAGE_SUPPORT_WINDOWS + int32_t Blt(HDC pDC, int32_t x=0, int32_t y=0); + HBITMAP Draw2HBITMAP(HDC hdc, int32_t x, int32_t y, int32_t cx, int32_t cy, RECT* pClipRect, bool bSmooth); + HBITMAP MakeBitmap(HDC hdc = NULL, bool bTransparency = false); + HICON MakeIcon(HDC hdc = NULL, bool bTransparency = false); + HANDLE CopyToHandle(); + bool CreateFromHANDLE(HANDLE hMem); //Windows objects (clipboard) + bool CreateFromHBITMAP(HBITMAP hbmp, HPALETTE hpal=0, bool bTransparency = false); //Windows resource + bool CreateFromHICON(HICON hico, bool bTransparency = false); + int32_t Draw(HDC hdc, int32_t x=0, int32_t y=0, int32_t cx = -1, int32_t cy = -1, RECT* pClipRect = 0, bool bSmooth = false, bool bFlipY = false); + int32_t Draw(HDC hdc, const RECT& rect, RECT* pClipRect=NULL, bool bSmooth = false, bool bFlipY = false); + int32_t Stretch(HDC hdc, int32_t xoffset, int32_t yoffset, int32_t xsize, int32_t ysize, uint32_t dwRop = SRCCOPY); + int32_t Stretch(HDC hdc, const RECT& rect, uint32_t dwRop = SRCCOPY); + int32_t Tile(HDC hdc, RECT *rc); + int32_t Draw2(HDC hdc, int32_t x=0, int32_t y=0, int32_t cx = -1, int32_t cy = -1); + int32_t Draw2(HDC hdc, const RECT& rect); + //int32_t DrawString(HDC hdc, int32_t x, int32_t y, const char* text, RGBQUAD color, const char* font, int32_t lSize=0, int32_t lWeight=400, uint8_t bItalic=0, uint8_t bUnderline=0, bool bSetAlpha=false); + int32_t DrawString(HDC hdc, int32_t x, int32_t y, const TCHAR* text, RGBQUAD color, const TCHAR* font, int32_t lSize=0, int32_t lWeight=400, uint8_t bItalic=0, uint8_t bUnderline=0, bool bSetAlpha=false); + // extensions + int32_t DrawStringEx(HDC hdc, int32_t x, int32_t y, CXTEXTINFO *pTextType, bool bSetAlpha=false ); + void InitTextInfo( CXTEXTINFO *txt ); +protected: + bool IsHBITMAPAlphaValid( HBITMAP hbmp ); +public: +#endif //CXIMAGE_SUPPORT_WINDOWS +//@} + + // file operations +#if CXIMAGE_SUPPORT_DECODE +/** \addtogroup Decode */ //@{ +#ifdef WIN32 + //bool Load(LPCWSTR filename, uint32_t imagetype=0); + bool LoadResource(HRSRC hRes, uint32_t imagetype, HMODULE hModule=NULL); +#endif + // For UNICODE support: char -> TCHAR + bool Load(const TCHAR* filename, uint32_t imagetype=0); + //bool Load(const char * filename, uint32_t imagetype=0); + bool Decode(FILE * hFile, uint32_t imagetype); + bool Decode(CxFile * hFile, uint32_t imagetype); + bool Decode(uint8_t * buffer, uint32_t size, uint32_t imagetype); + + bool CheckFormat(CxFile * hFile, uint32_t imagetype = 0); + bool CheckFormat(uint8_t * buffer, uint32_t size, uint32_t imagetype = 0); +//@} +#endif //CXIMAGE_SUPPORT_DECODE + +#if CXIMAGE_SUPPORT_ENCODE +protected: +/** \addtogroup Protected */ //@{ + bool EncodeSafeCheck(CxFile *hFile); +//@} + +public: +/** \addtogroup Encode */ //@{ +#ifdef WIN32 + //bool Save(LPCWSTR filename, uint32_t imagetype=0); +#endif + // For UNICODE support: char -> TCHAR + bool Save(const TCHAR* filename, uint32_t imagetype); + //bool Save(const char * filename, uint32_t imagetype=0); + bool Encode(FILE * hFile, uint32_t imagetype); + bool Encode(CxFile * hFile, uint32_t imagetype); + bool Encode(CxFile * hFile, CxImage ** pImages, int32_t pagecount, uint32_t imagetype); + bool Encode(FILE *hFile, CxImage ** pImages, int32_t pagecount, uint32_t imagetype); + bool Encode(uint8_t * &buffer, int32_t &size, uint32_t imagetype); + + bool Encode2RGBA(CxFile *hFile, bool bFlipY = false); + bool Encode2RGBA(uint8_t * &buffer, int32_t &size, bool bFlipY = false); +//@} +#endif //CXIMAGE_SUPPORT_ENCODE + +/** \addtogroup Attributes */ //@{ + //misc. + bool IsValid() const; + bool IsEnabled() const; + void Enable(bool enable=true); + + // frame operations + int32_t GetNumFrames() const; + int32_t GetFrame() const; + void SetFrame(int32_t nFrame); +//@} + +#if CXIMAGE_SUPPORT_BASICTRANSFORMATIONS +/** \addtogroup BasicTransformations */ //@{ + bool GrayScale(); + bool Flip(bool bFlipSelection = false, bool bFlipAlpha = true); + bool Mirror(bool bMirrorSelection = false, bool bMirrorAlpha = true); + bool Negative(); + bool RotateLeft(CxImage* iDst = NULL); + bool RotateRight(CxImage* iDst = NULL); + bool IncreaseBpp(uint32_t nbit); +//@} +#endif //CXIMAGE_SUPPORT_BASICTRANSFORMATIONS + +#if CXIMAGE_SUPPORT_TRANSFORMATION +/** \addtogroup Transformations */ //@{ + // image operations + bool Rotate(float angle, CxImage* iDst = NULL); + bool Rotate2(float angle, CxImage *iDst = NULL, InterpolationMethod inMethod=IM_BILINEAR, + OverflowMethod ofMethod=OM_BACKGROUND, RGBQUAD *replColor=0, + bool const optimizeRightAngles=true, bool const bKeepOriginalSize=false); + bool Rotate180(CxImage* iDst = NULL); + bool Resample(int32_t newx, int32_t newy, int32_t mode = 1, CxImage* iDst = NULL); + bool Resample2(int32_t newx, int32_t newy, InterpolationMethod const inMethod=IM_BICUBIC2, + OverflowMethod const ofMethod=OM_REPEAT, CxImage* const iDst = NULL, + bool const disableAveraging=false); + bool DecreaseBpp(uint32_t nbit, bool errordiffusion, RGBQUAD* ppal = 0, uint32_t clrimportant = 0); + bool Dither(int32_t method = 0); + bool Crop(int32_t left, int32_t top, int32_t right, int32_t bottom, CxImage* iDst = NULL); + bool Crop(const RECT& rect, CxImage* iDst = NULL); + bool CropRotatedRectangle( int32_t topx, int32_t topy, int32_t width, int32_t height, float angle, CxImage* iDst = NULL); + bool Skew(float xgain, float ygain, int32_t xpivot=0, int32_t ypivot=0, bool bEnableInterpolation = false); + bool Expand(int32_t left, int32_t top, int32_t right, int32_t bottom, RGBQUAD canvascolor, CxImage* iDst = 0); + bool Expand(int32_t newx, int32_t newy, RGBQUAD canvascolor, CxImage* iDst = 0); + bool Thumbnail(int32_t newx, int32_t newy, RGBQUAD canvascolor, CxImage* iDst = 0); + bool CircleTransform(int32_t type,int32_t rmax=0,float Koeff=1.0f); + bool QIShrink(int32_t newx, int32_t newy, CxImage* const iDst = NULL, bool bChangeBpp = false); + +//@} +#endif //CXIMAGE_SUPPORT_TRANSFORMATION + +#if CXIMAGE_SUPPORT_DSP +/** \addtogroup DSP */ //@{ + bool Contour(); + bool HistogramStretch(int32_t method = 0, double threshold = 0); + bool HistogramEqualize(); + bool HistogramNormalize(); + bool HistogramRoot(); + bool HistogramLog(); + int32_t Histogram(int32_t* red, int32_t* green = 0, int32_t* blue = 0, int32_t* gray = 0, int32_t colorspace = 0); + bool Jitter(int32_t radius=2); + bool Repair(float radius = 0.25f, int32_t niterations = 1, int32_t colorspace = 0); + bool Combine(CxImage* r,CxImage* g,CxImage* b,CxImage* a, int32_t colorspace = 0); + bool FFT2(CxImage* srcReal, CxImage* srcImag, CxImage* dstReal, CxImage* dstImag, int32_t direction = 1, bool bForceFFT = true, bool bMagnitude = true); + bool Noise(int32_t level); + bool Median(int32_t Ksize=3); + bool Gamma(float gamma); + bool GammaRGB(float gammaR, float gammaG, float gammaB); + bool ShiftRGB(int32_t r, int32_t g, int32_t b); + bool Threshold(uint8_t level); + bool Threshold(CxImage* pThresholdMask); + bool Threshold2(uint8_t level, bool bDirection, RGBQUAD nBkgndColor, bool bSetAlpha = false); + bool Colorize(uint8_t hue, uint8_t sat, float blend = 1.0f); + bool Light(int32_t brightness, int32_t contrast = 0); + float Mean(); + bool Filter(int32_t* kernel, int32_t Ksize, int32_t Kfactor, int32_t Koffset); + bool Erode(int32_t Ksize=2); + bool Dilate(int32_t Ksize=2); + bool Edge(int32_t Ksize=2); + void HuePalette(float correction=1); + enum ImageOpType { OpAdd, OpAnd, OpXor, OpOr, OpMask, OpSrcCopy, OpDstCopy, OpSub, OpSrcBlend, OpScreen, OpAvg, OpBlendAlpha }; + void Mix(CxImage & imgsrc2, ImageOpType op, int32_t lXOffset = 0, int32_t lYOffset = 0, bool bMixAlpha = false); + void MixFrom(CxImage & imagesrc2, int32_t lXOffset, int32_t lYOffset); + bool UnsharpMask(float radius = 5.0f, float amount = 0.5f, int32_t threshold = 0); + bool Lut(uint8_t* pLut); + bool Lut(uint8_t* pLutR, uint8_t* pLutG, uint8_t* pLutB, uint8_t* pLutA = 0); + bool GaussianBlur(float radius = 1.0f, CxImage* iDst = 0); + bool TextBlur(uint8_t threshold = 100, uint8_t decay = 2, uint8_t max_depth = 5, bool bBlurHorizontal = true, bool bBlurVertical = true, CxImage* iDst = 0); + bool SelectiveBlur(float radius = 1.0f, uint8_t threshold = 25, CxImage* iDst = 0); + bool Solarize(uint8_t level = 128, bool bLinkedChannels = true); + bool FloodFill(const int32_t xStart, const int32_t yStart, const RGBQUAD cFillColor, const uint8_t tolerance = 0, + uint8_t nOpacity = 255, const bool bSelectFilledArea = false, const uint8_t nSelectionLevel = 255); + bool Saturate(const int32_t saturation, const int32_t colorspace = 1); + bool ConvertColorSpace(const int32_t dstColorSpace, const int32_t srcColorSpace); + int32_t OptimalThreshold(int32_t method = 0, RECT * pBox = 0, CxImage* pContrastMask = 0); + bool AdaptiveThreshold(int32_t method = 0, int32_t nBoxSize = 64, CxImage* pContrastMask = 0, int32_t nBias = 0, float fGlobalLocalBalance = 0.5f); + bool RedEyeRemove(float strength = 0.8f); + bool Trace(RGBQUAD color_target, RGBQUAD color_trace); + +//@} + +protected: +/** \addtogroup Protected */ //@{ + bool IsPowerof2(int32_t x); + bool FFT(int32_t dir,int32_t m,double *x,double *y); + bool DFT(int32_t dir,int32_t m,double *x1,double *y1,double *x2,double *y2); + bool RepairChannel(CxImage *ch, float radius); + // + int32_t gen_convolve_matrix (float radius, float **cmatrix_p); + float* gen_lookup_table (float *cmatrix, int32_t cmatrix_length); + void blur_line (float *ctable, float *cmatrix, int32_t cmatrix_length, uint8_t* cur_col, uint8_t* dest_col, int32_t y, int32_t bytes); + void blur_text (uint8_t threshold, uint8_t decay, uint8_t max_depth, CxImage* iSrc, CxImage* iDst, uint8_t bytes); +//@} + +public: +/** \addtogroup ColorSpace */ //@{ + bool SplitRGB(CxImage* r,CxImage* g,CxImage* b); + bool SplitYUV(CxImage* y,CxImage* u,CxImage* v); + bool SplitHSL(CxImage* h,CxImage* s,CxImage* l); + bool SplitYIQ(CxImage* y,CxImage* i,CxImage* q); + bool SplitXYZ(CxImage* x,CxImage* y,CxImage* z); + bool SplitCMYK(CxImage* c,CxImage* m,CxImage* y,CxImage* k); + static RGBQUAD HSLtoRGB(COLORREF cHSLColor); + static RGBQUAD RGBtoHSL(RGBQUAD lRGBColor); + static RGBQUAD HSLtoRGB(RGBQUAD lHSLColor); + static RGBQUAD YUVtoRGB(RGBQUAD lYUVColor); + static RGBQUAD RGBtoYUV(RGBQUAD lRGBColor); + static RGBQUAD YIQtoRGB(RGBQUAD lYIQColor); + static RGBQUAD RGBtoYIQ(RGBQUAD lRGBColor); + static RGBQUAD XYZtoRGB(RGBQUAD lXYZColor); + static RGBQUAD RGBtoXYZ(RGBQUAD lRGBColor); +#endif //CXIMAGE_SUPPORT_DSP + static RGBQUAD RGBtoRGBQUAD(COLORREF cr); + static COLORREF RGBQUADtoRGB (RGBQUAD c); +//@} + +/** \addtogroup Selection */ //@{ + bool SelectionIsValid(); +#if CXIMAGE_SUPPORT_SELECTION + bool SelectionClear(uint8_t level = 0); + bool SelectionCreate(); + bool SelectionDelete(); + bool SelectionInvert(); + bool SelectionMirror(); + bool SelectionFlip(); + bool SelectionAddRect(RECT r, uint8_t level = 255); + bool SelectionAddEllipse(RECT r, uint8_t level = 255); + bool SelectionAddPolygon(POINT *points, int32_t npoints, uint8_t level = 255); + bool SelectionAddColor(RGBQUAD c, uint8_t level = 255); + bool SelectionAddPixel(int32_t x, int32_t y, uint8_t level = 255); + bool SelectionCopy(CxImage &from); + bool SelectionIsInside(int32_t x, int32_t y); + void SelectionGetBox(RECT& r); + bool SelectionToHRGN(HRGN& region); + bool SelectionSplit(CxImage *dest); + uint8_t SelectionGet(const int32_t x,const int32_t y); + bool SelectionSet(CxImage &from); + void SelectionRebuildBox(); + uint8_t* SelectionGetPointer(const int32_t x = 0,const int32_t y = 0); +//@} + +protected: +/** \addtogroup Protected */ //@{ + bool BlindSelectionIsInside(int32_t x, int32_t y); + uint8_t BlindSelectionGet(const int32_t x,const int32_t y); + void SelectionSet(const int32_t x,const int32_t y,const uint8_t level); + +public: + +#endif //CXIMAGE_SUPPORT_SELECTION +//@} + +#if CXIMAGE_SUPPORT_ALPHA +/** \addtogroup Alpha */ //@{ + void AlphaClear(); + bool AlphaCreate(); + void AlphaDelete(); + void AlphaInvert(); + bool AlphaMirror(); + bool AlphaFlip(); + bool AlphaCopy(CxImage &from); + bool AlphaSplit(CxImage *dest); + void AlphaStrip(); + void AlphaSet(uint8_t level); + bool AlphaSet(CxImage &from); + void AlphaSet(const int32_t x,const int32_t y,const uint8_t level); + uint8_t AlphaGet(const int32_t x,const int32_t y); + uint8_t AlphaGetMax() const; + void AlphaSetMax(uint8_t nAlphaMax); + bool AlphaIsValid(); + uint8_t* AlphaGetPointer(const int32_t x = 0,const int32_t y = 0); + bool AlphaFromTransparency(); + + void AlphaPaletteClear(); + void AlphaPaletteEnable(bool enable=true); + bool AlphaPaletteIsEnabled(); + bool AlphaPaletteIsValid(); + bool AlphaPaletteSplit(CxImage *dest); +//@} + +protected: +/** \addtogroup Protected */ //@{ + uint8_t BlindAlphaGet(const int32_t x,const int32_t y); +//@} +#endif //CXIMAGE_SUPPORT_ALPHA + +public: +#if CXIMAGE_SUPPORT_LAYERS +/** \addtogroup Layers */ //@{ + bool LayerCreate(int32_t position = -1); + bool LayerDelete(int32_t position = -1); + void LayerDeleteAll(); + CxImage* GetLayer(int32_t position); + CxImage* GetParent() const; + int32_t GetNumLayers() const; + int32_t LayerDrawAll(HDC hdc, int32_t x=0, int32_t y=0, int32_t cx = -1, int32_t cy = -1, RECT* pClipRect = 0, bool bSmooth = false); + int32_t LayerDrawAll(HDC hdc, const RECT& rect, RECT* pClipRect=NULL, bool bSmooth = false); +//@} +#endif //CXIMAGE_SUPPORT_LAYERS + +protected: +/** \addtogroup Protected */ //@{ + void Startup(uint32_t imagetype = 0); + void CopyInfo(const CxImage &src); + void Ghost(const CxImage *src); + void RGBtoBGR(uint8_t *buffer, int32_t length); + static float HueToRGB(float n1,float n2, float hue); + void Bitfield2RGB(uint8_t *src, uint32_t redmask, uint32_t greenmask, uint32_t bluemask, uint8_t bpp); + static int32_t CompareColors(const void *elem1, const void *elem2); + int16_t m_ntohs(const int16_t word); + int32_t m_ntohl(const int32_t dword); + void bihtoh(BITMAPINFOHEADER* bih); + + void* pDib; //contains the header, the palette, the pixels + BITMAPINFOHEADER head; //standard header + CXIMAGEINFO info; //extended information + uint8_t* pSelection; //selected region + uint8_t* pAlpha; //alpha channel + CxImage** ppLayers; //generic layers + CxImage** ppFrames; +//@} +}; + +//////////////////////////////////////////////////////////////////////////// +#endif // !defined(__CXIMAGE_H) diff --git a/smelt/glfw/CxImage/ximagif.cpp b/smelt/glfw/CxImage/ximagif.cpp new file mode 100644 index 0000000..8c94b9e --- /dev/null +++ b/smelt/glfw/CxImage/ximagif.cpp @@ -0,0 +1,1681 @@ +/* + * File: ximagif.cpp + * Purpose: Platform Independent GIF Image Class Loader and Writer + * 07/Aug/2001 Davide Pizzolato - www.xdp.it + * CxImage version 7.0.0 31/Dec/2010 + */ + +#include "ximagif.h" + +#if CXIMAGE_SUPPORT_GIF + +#include "ximaiter.h" + +#if defined (_WIN32_WCE) + #define assert(s) +#else + #include +#endif + +//////////////////////////////////////////////////////////////////////////////// +CxImageGIF::CxImageGIF(): CxImage(CXIMAGE_FORMAT_GIF) +{ + buf = new uint8_t [GIFBUFTAM + 1]; + + stack = new uint8_t [MAX_CODES + 1]; + suffix = new uint8_t [MAX_CODES + 1]; + prefix = new uint16_t [MAX_CODES + 1]; + + htab = new int32_t [HSIZE]; + codetab = new uint16_t [HSIZE]; + + byte_buff = new uint8_t [257]; + accum = new char [256]; + m_comment = new char [256]; + + m_loops=0; + info.dispmeth=0; + m_comment[0]='\0'; + +} +//////////////////////////////////////////////////////////////////////////////// +CxImageGIF::~CxImageGIF() +{ + delete [] buf; + + delete [] stack; + delete [] suffix; + delete [] prefix; + + delete [] htab; + delete [] codetab; + + delete [] byte_buff; + delete [] accum; + delete [] m_comment; +} +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImageGIF::Decode(CxFile *fp) +{ + /* AD - for transparency */ + struct_dscgif dscgif; + struct_image image; + struct_TabCol TabCol; + + if (fp == NULL) return false; + + fp->Read(&dscgif,/*sizeof(dscgif)*/13,1); + //if (strncmp(dscgif.header,"GIF8",3)!=0) { + if (strncmp(dscgif.header,"GIF8",4)!=0) return FALSE; + + // Avoid Byte order problem with Mac + dscgif.scrheight = m_ntohs(dscgif.scrheight); + dscgif.scrwidth = m_ntohs(dscgif.scrwidth); + + if (info.nEscape == -1) { + // Return output dimensions only + head.biWidth = dscgif.scrwidth; + head.biHeight = dscgif.scrheight; + info.dwType = CXIMAGE_FORMAT_GIF; + return true; + } + + /* AD - for interlace */ + TabCol.sogct = (int16_t)(1 << ((dscgif.pflds & 0x07)+1)); + TabCol.colres = (int16_t)(((dscgif.pflds & 0x70) >> 4) + 1); + + // assume that the image is a truecolor-gif if + // 1) no global color map found + // 2) (image.w, image.h) of the 1st image != (dscgif.scrwidth, dscgif.scrheight) + int32_t bTrueColor=0; + CxImage* imaRGB=NULL; + + // Global colour map? + if (dscgif.pflds & 0x80) + fp->Read(TabCol.paleta,sizeof(struct rgb_color)*TabCol.sogct,1); + else + bTrueColor++; //first chance for a truecolor gif + + int32_t first_transparent_index = 0; + + int32_t iImage = 0; + info.nNumFrames=get_num_frames(fp,&TabCol,&dscgif); + + if ((info.nFrame<0)||(info.nFrame>=info.nNumFrames)) return false; + + //it cannot be a true color GIF with only one frame + if (info.nNumFrames == 1) + bTrueColor=0; + + char ch; + bool bPreviousWasNull = true; + int32_t prevdispmeth = 0; + CxImage *previousFrame = NULL; + + for (BOOL bContinue = TRUE; bContinue; ) + { + if (fp->Read(&ch, sizeof(ch), 1) != 1) {break;} + + if (info.nEscape > 0) return false; // - cancel decoding + if (bPreviousWasNull || ch==0) + { + switch (ch) + { + case '!': // extension + { + bContinue = DecodeExtension(fp); + break; + } + case ',': // image + { + assert(sizeof(image) == 9); + fp->Read(&image,sizeof(image),1); + //avoid byte order problems with Solaris + image.l = m_ntohs(image.l); + image.t = m_ntohs(image.t); + image.w = m_ntohs(image.w); + image.h = m_ntohs(image.h); + + if (((image.l + image.w) > dscgif.scrwidth)||((image.t + image.h) > dscgif.scrheight)) + break; + + // check if it could be a truecolor gif + if ((iImage==0) && (image.w != dscgif.scrwidth) && (image.h != dscgif.scrheight)) + bTrueColor++; + + rgb_color locpal[256]; //Local Palette + rgb_color* pcurpal = TabCol.paleta; //Current Palette + int16_t palcount = TabCol.sogct; //Current Palette color count + + // Local colour map? + if (image.pf & 0x80) { + palcount = (int16_t)(1 << ((image.pf & 0x07) +1)); + assert(3 == sizeof(struct rgb_color)); + fp->Read(locpal,sizeof(struct rgb_color)*palcount,1); + pcurpal = locpal; + } + + int32_t bpp; // select the correct bit per pixel value + if (palcount <= 2) bpp = 1; + else if (palcount <= 16) bpp = 4; + else bpp = 8; + + CxImageGIF backimage; + backimage.CopyInfo(*this); + if (iImage==0){ + //first frame: build image background + backimage.Create(dscgif.scrwidth, dscgif.scrheight, bpp, CXIMAGE_FORMAT_GIF); + first_transparent_index = info.nBkgndIndex; + backimage.Clear((uint8_t)gifgce.transpcolindex); + previousFrame = new CxImage(backimage); + previousFrame->SetRetreiveAllFrames(false); + } else { + //generic frame: handle disposal method from previous one + /*Values : 0 - No disposal specified. The decoder is + not required to take any action. + 1 - Do not dispose. The graphic is to be left + in place. + 2 - Restore to background color. The area used by the + graphic must be restored to the background color. + 3 - Restore to previous. The decoder is required to + restore the area overwritten by the graphic with + what was there prior to rendering the graphic. + */ + /* backimage.Copy(*this); + if (prevdispmeth==2){ + backimage.Clear((uint8_t)first_transparent_index); + }*/ + if (prevdispmeth==2){ + backimage.Copy(*this,false,false,false); + backimage.Clear((uint8_t)first_transparent_index); + } else if (prevdispmeth==3) { + backimage.Copy(*this,false,false,false); + backimage.Create(previousFrame->GetWidth(), + previousFrame->GetHeight(), + previousFrame->GetBpp(),CXIMAGE_FORMAT_GIF); + memcpy(backimage.GetDIB(),previousFrame->GetDIB(), + backimage.GetSize()); + //backimage.AlphaSet(*previousFrame); + } else { + backimage.Copy(*this); + } + } + + //active frame + Create(image.w, image.h, bpp, CXIMAGE_FORMAT_GIF); + + if ((image.pf & 0x80) || (dscgif.pflds & 0x80)) { + uint8_t r[256], g[256], b[256]; + int32_t i;//, has_white = 0; + + for (i=0; i < palcount; i++) { + r[i] = pcurpal[i].r; + g[i] = pcurpal[i].g; + b[i] = pcurpal[i].b; + //if (RGB(r[i],g[i],b[i]) == 0xFFFFFF) has_white = 1; + } + + // Force transparency colour white... + //if (0) if (info.nBkgndIndex >= 0) + // r[info.nBkgndIndex] = g[info.nBkgndIndex] = b[info.nBkgndIndex] = 255; + // Fill in with white // AD + if (info.nBkgndIndex >= 0) { + while (i < 256) { + //has_white = 1; + r[i] = g[i] = b[i] = 255; + i++; + } + } + + // Force last colour to white... // AD + //if ((info.nBkgndIndex >= 0) && !has_white) { + // r[255] = g[255] = b[255] = 255; + //} + + SetPalette((info.nBkgndIndex >= 0 ? 256 : palcount), r, g, b); + } + + CImageIterator* iter = new CImageIterator(this); + iter->Upset(); + int32_t badcode=0; + ibf = GIFBUFTAM+1; + + interlaced = image.pf & 0x40; + iheight = image.h; + istep = 8; + iypos = 0; + ipass = 0; + + int32_t pos_start = fp->Tell(); + //if (interlaced) log << "Interlaced" << endl; + decoder(fp, iter, image.w, badcode); + delete iter; + + if (info.nEscape) return false; // - cancel decoding + + if (bTrueColor<2 ){ //standard GIF: mix frame with background + backimage.IncreaseBpp(bpp); + backimage.GifMix(*this,image); + backimage.SetTransIndex(first_transparent_index); + backimage.SetPalette(GetPalette()); + Transfer(backimage,false); + } else { //it's a truecolor gif! + //force full image decoding + info.nFrame=info.nNumFrames-1; + //build the RGB image + if (imaRGB==NULL) imaRGB = new CxImage(dscgif.scrwidth,dscgif.scrheight,24,CXIMAGE_FORMAT_GIF); + //copy the partial image into the full RGB image + for(int32_t y=0;ySetPixelColor(x+image.l,dscgif.scrheight-1-image.t-y,GetPixelColor(x,image.h-y-1)); + } + } + } + + prevdispmeth = (gifgce.flags >> 2) & 0x7; + + //restore the correct position in the file for the next image + if (badcode){ + seek_next_image(fp,pos_start); + } else { + fp->Seek(-(ibfmax - ibf - 1), SEEK_CUR); + } + + if (info.bGetAllFrames && imaRGB == NULL) { + if (iImage == 0) { + DestroyFrames(); + ppFrames = new CxImage*[info.nNumFrames]; + for(int32_t frameIdx = 0; frameIdx < info.nNumFrames; frameIdx++){ + ppFrames[frameIdx] = NULL; + } + } + ppFrames[iImage] = new CxImage(*this); + ppFrames[iImage]->SetRetreiveAllFrames(false); + } + if (prevdispmeth <= 1) { + delete previousFrame; + previousFrame = new CxImage(*this); + previousFrame->SetRetreiveAllFrames(false); + } + + if ((info.nFrame==iImage) && (info.bGetAllFrames==false)) bContinue=false; else iImage++; + + break; + } + case ';': //terminator + bContinue=false; + break; + default: + bPreviousWasNull = (ch==0); + break; + } + } + } + + if (bTrueColor>=2 && imaRGB){ + if (gifgce.flags & 0x1){ + imaRGB->SetTransColor(GetPaletteColor((uint8_t)info.nBkgndIndex)); + imaRGB->SetTransIndex(0); + } + Transfer(*imaRGB); + } + delete imaRGB; + + delete previousFrame; + + return true; + +} +//////////////////////////////////////////////////////////////////////////////// +bool CxImageGIF::DecodeExtension(CxFile *fp) +{ + bool bContinue; + uint8_t count; + uint8_t fc; + + bContinue = (1 == fp->Read(&fc, sizeof(fc), 1)); + if (bContinue) { + /* AD - for transparency */ + if (fc == 0xF9) { + bContinue = (1 == fp->Read(&count, sizeof(count), 1)); + if (bContinue) { + assert(sizeof(gifgce) == 4); + bContinue = (count == fp->Read(&gifgce, 1, sizeof(gifgce))); + gifgce.delaytime = m_ntohs(gifgce.delaytime); // Avoid Byte order problem with Mac + if (bContinue) { + info.nBkgndIndex = (gifgce.flags & 0x1) ? gifgce.transpcolindex : -1; + info.dwFrameDelay = gifgce.delaytime; + SetDisposalMethod((gifgce.flags >> 2) & 0x7); + } } } + + if (fc == 0xFE) { // Comment block + bContinue = (1 == fp->Read(&count, sizeof(count), 1)); + if (bContinue) { + bContinue = (1 == fp->Read(m_comment, count, 1)); + m_comment[count]='\0'; + } } + + if (fc == 0xFF) { // Application Extension block + bContinue = (1 == fp->Read(&count, sizeof(count), 1)); + if (bContinue) { + bContinue = (count==11); + if (bContinue){ + char AppID[11]; + bContinue = (1 == fp->Read(AppID, count, 1)); + if (bContinue) { + bContinue = (1 == fp->Read(&count, sizeof(count), 1)); + if (bContinue) { + uint8_t* dati = (uint8_t*)malloc(count); + bContinue = (dati!=NULL); + if (bContinue){ + bContinue = (1 == fp->Read(dati, count, 1)); + if (count>2){ + m_loops = dati[1]+256*dati[2]; + } + } + free(dati); + } } } } } + + while (bContinue && fp->Read(&count, sizeof(count), 1) && count) { + //log << "Skipping " << count << " bytes" << endl; + fp->Seek(count, SEEK_CUR); + } + } + return bContinue; + +} +//////////////////////////////////////////////////////////////////////////////// +#endif //CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// + +// - This external (machine specific) function is expected to return +// either the next uint8_t from the GIF file, or a negative error number. +int32_t CxImageGIF::get_byte(CxFile* file) +{ + if (ibf>=GIFBUFTAM){ + // FW 06/02/98 >>> + ibfmax = (int32_t)file->Read( buf , 1 , GIFBUFTAM) ; + if( ibfmax < GIFBUFTAM ) buf[ ibfmax ] = 255 ; + // FW 06/02/98 <<< + ibf = 0; + } + if (ibf>=ibfmax) return -1; // avoid overflows + return buf[ibf++]; +} +//////////////////////////////////////////////////////////////////////////////// +/* - This function takes a full line of pixels (one uint8_t per pixel) and + * displays them (or does whatever your program wants with them...). It + * should return zero, or negative if an error or some other event occurs + * which would require aborting the decode process... Note that the length + * passed will almost always be equal to the line length passed to the + * decoder function, with the sole exception occurring when an ending code + * occurs in an odd place in the GIF file... In any case, linelen will be + * equal to the number of pixels passed... +*/ +int32_t CxImageGIF::out_line(CImageIterator* iter, uint8_t *pixels, int32_t linelen) +{ + if (iter == NULL || pixels == NULL) + return -1; + + // for 1 & 4 bpp images, the pixels are compressed + if (head.biBitCount < 8){ + for(int32_t x=0;x> 3); + if (head.biBitCount==4){ + pos = (uint8_t)(4*(1-x%2)); + *iDst &= ~(0x0F<SetY(iheight-iypos-1); + iter->SetRow(pixels, linelen); + + if ((iypos += istep) >= iheight) { + do { + if (ipass++ > 0) istep /= 2; + iypos = istep / 2; + } + while (iypos > iheight); + } + return 0; + } else { + if (iter->ItOK()) { + iter->SetRow(pixels, linelen); + (void)iter->PrevRow(); + return 0; + } else { + // puts("chafeo"); + return -1; + } + } +} +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +// SaveFile - writes GIF87a gif file +// Randy Spann 6/15/97 +// R.Spann@ConnRiver.net +bool CxImageGIF::Encode(CxFile * fp) +{ + if (EncodeSafeCheck(fp)) return false; + + if(head.biBitCount > 8) { + //strcpy(info.szLastError,"GIF Images must be 8 bit or less"); + //return FALSE; + return EncodeRGB(fp); + } + + if ( GetNumFrames()>1 && ppFrames ) { + return Encode(fp, ppFrames, GetNumFrames() ); + } + + EncodeHeader(fp); + + EncodeExtension(fp); + + EncodeComment(fp); + + EncodeBody(fp); + + fp->PutC(';'); // Write the GIF file terminator + + return true; // done! +} +//////////////////////////////////////////////////////////////////////////////// +bool CxImageGIF::Encode(CxFile * fp, CxImage ** pImages, int32_t pagecount, bool bLocalColorMap, bool bLocalDispMeth) +{ + cx_try { + if (fp==NULL) cx_throw("invalid file pointer"); + if (pImages==NULL || pagecount<=0 || pImages[0]==NULL) cx_throw("multipage GIF, no images!"); + + int32_t i; + for (i=0; iIsValid())) + cx_throw("Empty image"); + if (pImages[i]->GetNumColors()==0) + cx_throw("CxImageGIF::Encode cannot create animated GIFs with a true color frame. Use DecreaseBpp before"); + } + + CxImageGIF ghost; + + //write the first image + ghost.Ghost(pImages[0]); + ghost.EncodeHeader(fp); + + if (m_loops!=1){ + ghost.SetLoops(max(0,m_loops-1)); + ghost.EncodeLoopExtension(fp); + } + + if (bLocalDispMeth) { + ghost.EncodeExtension(fp); + } else { + uint8_t dm = ghost.GetDisposalMethod(); + ghost.SetDisposalMethod(GetDisposalMethod()); + ghost.EncodeExtension(fp); + ghost.SetDisposalMethod(dm); + } + + EncodeComment(fp); + + ghost.EncodeBody(fp); + + for (i=1; iPutC(';'); // Write the GIF file terminator + + } cx_catch { + if (strcmp(message,"")) strncpy(info.szLastError,message,255); + return false; + } + return true; +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::EncodeHeader(CxFile *fp) +{ + fp->Write("GIF89a",1,6); //GIF Header + + Putword(head.biWidth,fp); //Logical screen descriptor + Putword(head.biHeight,fp); + + uint8_t Flags; + if (head.biClrUsed==0){ + Flags=0x11; + } else { + Flags = 0x80; + Flags |=(head.biBitCount - 1) << 5; + Flags |=(head.biBitCount - 1); + } + + fp->PutC(Flags); //GIF "packed fields" + fp->PutC(0); //GIF "BackGround" + fp->PutC(0); //GIF "pixel aspect ratio" + + if (head.biClrUsed!=0){ + RGBQUAD* pPal = GetPalette(); + for(uint32_t i=0; iPutC(pPal[i].rgbRed); + fp->PutC(pPal[i].rgbGreen); + fp->PutC(pPal[i].rgbBlue); + } + } +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::EncodeExtension(CxFile *fp) +{ + // TRK BEGIN : transparency + fp->PutC('!'); + fp->PutC(TRANSPARENCY_CODE); + + gifgce.flags = 0; + gifgce.flags |= ((info.nBkgndIndex != -1) ? 1 : 0); + gifgce.flags |= ((GetDisposalMethod() & 0x7) << 2); + gifgce.delaytime = (uint16_t)info.dwFrameDelay; + gifgce.transpcolindex = (uint8_t)info.nBkgndIndex; + + //Invert byte order in case we use a byte order arch, then set it back + gifgce.delaytime = m_ntohs(gifgce.delaytime); + fp->PutC(sizeof(gifgce)); + fp->Write(&gifgce, sizeof(gifgce), 1); + gifgce.delaytime = m_ntohs(gifgce.delaytime); + + fp->PutC(0); + // TRK END +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::EncodeLoopExtension(CxFile *fp) +{ + fp->PutC('!'); //byte 1 : 33 (hex 0x21) GIF Extension code + fp->PutC(255); //byte 2 : 255 (hex 0xFF) Application Extension Label + fp->PutC(11); //byte 3 : 11 (hex (0x0B) Length of Application Block (eleven bytes of data to follow) + fp->Write("NETSCAPE2.0",11,1); + fp->PutC(3); //byte 15 : 3 (hex 0x03) Length of Data Sub-Block (three bytes of data to follow) + fp->PutC(1); //byte 16 : 1 (hex 0x01) + Putword(m_loops,fp); //bytes 17 to 18 : 0 to 65535, an unsigned integer in lo-hi byte format. + //This indicate the number of iterations the loop should be executed. + fp->PutC(0); //bytes 19 : 0 (hex 0x00) a Data Sub-block Terminator. +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::EncodeBody(CxFile *fp, bool bLocalColorMap) +{ + curx = 0; + cury = head.biHeight - 1; //because we read the image bottom to top + CountDown = (int32_t)head.biWidth * (int32_t)head.biHeight; + + fp->PutC(','); + + Putword(info.xOffset,fp); + Putword(info.yOffset,fp); + Putword(head.biWidth,fp); + Putword(head.biHeight,fp); + + uint8_t Flags=0x00; //non-interlaced (0x40 = interlaced) (0x80 = LocalColorMap) + if (bLocalColorMap) { Flags|=0x80; Flags|=head.biBitCount-1; } + fp->PutC(Flags); + + if (bLocalColorMap){ + Flags|=0x87; + RGBQUAD* pPal = GetPalette(); + for(uint32_t i=0; iPutC(pPal[i].rgbRed); + fp->PutC(pPal[i].rgbGreen); + fp->PutC(pPal[i].rgbBlue); + } + } + + int32_t InitCodeSize = head.biBitCount <=1 ? 2 : head.biBitCount; + // Write out the initial code size + fp->PutC((uint8_t)InitCodeSize); + + // Go and actually compress the data + switch (GetCodecOption(CXIMAGE_FORMAT_GIF)) + { + case 1: //uncompressed + compressNONE(InitCodeSize+1, fp); + break; + case 2: //RLE + compressRLE(InitCodeSize+1, fp); + break; + default: //LZW + compressLZW(InitCodeSize+1, fp); + } + + // Write out a Zero-length packet (to end the series) + fp->PutC(0); +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::EncodeComment(CxFile *fp) +{ + uint32_t n = (uint32_t) strlen(m_comment); + if (n>255) n=255; + if (n) { + fp->PutC('!'); //extension code: + fp->PutC(254); //comment extension + fp->PutC((uint8_t)n); //size of comment + fp->Write(m_comment,n,1); + fp->PutC(0); //block terminator + } +} +//////////////////////////////////////////////////////////////////////////////// +bool CxImageGIF::EncodeRGB(CxFile *fp) +{ + EncodeHeader(fp); + +// EncodeLoopExtension(fp); + + EncodeComment(fp); + + uint32_t w,h; + w=h=0; + const int32_t cellw = 17; + const int32_t cellh = 15; + CxImageGIF tmp; + for (int32_t y=0;yPutC(';'); // Write the GIF file terminator + + return true; // done! +} +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +// Return the next pixel from the image +// fix for 1 & 4 bpp images +int32_t CxImageGIF::GifNextPixel( ) +{ + if( CountDown == 0 ) return EOF; + --CountDown; + int32_t r = GetPixelIndex(curx,cury); + // Bump the current X position + ++curx; + if( curx == head.biWidth ){ + curx = 0; + cury--; //bottom to top + } + return r; +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::Putword(int32_t w, CxFile *fp ) +{ + fp->PutC((uint8_t)(w & 0xff)); + fp->PutC((uint8_t)((w >> 8) & 0xff)); +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::compressNONE( int32_t init_bits, CxFile* outfile) +{ + register int32_t c; + register int32_t ent; + + // g_init_bits - initial number of bits + // g_outfile - pointer to output file + g_init_bits = init_bits; + g_outfile = outfile; + + // Set up the necessary values + cur_accum = cur_bits = clear_flg = 0; + maxcode = (int16_t)MAXCODE(n_bits = g_init_bits); + code_int maxmaxcode = (code_int)1 << MAXBITSCODES; + + ClearCode = (1 << (init_bits - 1)); + EOFCode = ClearCode + 1; + free_ent = (int16_t)(ClearCode + 2); + + a_count=0; + ent = GifNextPixel( ); + + output( (code_int)ClearCode ); + + while ( ent != EOF ) { + c = GifNextPixel(); + + output ( (code_int) ent ); + ent = c; + if ( free_ent < maxmaxcode ) { + free_ent++; + } else { + free_ent=(int16_t)(ClearCode+2); + clear_flg=1; + output((code_int)ClearCode); + } + } + // Put out the final code. + output( (code_int) EOFCode ); +} +//////////////////////////////////////////////////////////////////////////////// + +/*************************************************************************** + * + * GIFCOMPR.C - LZW GIF Image compression routines + * + ***************************************************************************/ + +void CxImageGIF::compressLZW( int32_t init_bits, CxFile* outfile) +{ + register int32_t fcode; + register int32_t c; + register int32_t ent; + register int32_t hshift; + register int32_t disp; + register int32_t i; + + // g_init_bits - initial number of bits + // g_outfile - pointer to output file + g_init_bits = init_bits; + g_outfile = outfile; + + // Set up the necessary values + cur_accum = cur_bits = clear_flg = 0; + maxcode = (int16_t)MAXCODE(n_bits = g_init_bits); + code_int maxmaxcode = (code_int)1 << MAXBITSCODES; + + ClearCode = (1 << (init_bits - 1)); + EOFCode = ClearCode + 1; + free_ent = (int16_t)(ClearCode + 2); + + a_count=0; + ent = GifNextPixel( ); + + hshift = 0; + for ( fcode = (int32_t) HSIZE; fcode < 65536L; fcode *= 2L ) ++hshift; + hshift = 8 - hshift; /* set hash code range bound */ + cl_hash((int32_t)HSIZE); /* clear hash table */ + output( (code_int)ClearCode ); + + while ( (c = GifNextPixel( )) != EOF ) { + + fcode = (int32_t) (((int32_t) c << MAXBITSCODES) + ent); + i = (((code_int)c << hshift) ^ ent); /* xor hashing */ + + if ( HashTabOf (i) == fcode ) { + ent = CodeTabOf (i); + continue; + } else if ( (int32_t)HashTabOf (i) < 0 ) /* empty slot */ + goto nomatch; + disp = HSIZE - i; /* secondary hash (after G. Knott) */ + if ( i == 0 ) disp = 1; +probe: + if ( (i -= disp) < 0 ) i += HSIZE; + if ( HashTabOf (i) == fcode ) { ent = CodeTabOf (i); continue; } + if ( (int32_t)HashTabOf (i) > 0 ) goto probe; +nomatch: + output ( (code_int) ent ); + ent = c; + if ( free_ent < maxmaxcode ) { + CodeTabOf (i) = free_ent++; /* code -> hashtable */ + HashTabOf (i) = fcode; + } else { + cl_hash((int32_t)HSIZE); + free_ent=(int16_t)(ClearCode+2); + clear_flg=1; + output((code_int)ClearCode); + } + } + // Put out the final code. + output( (code_int)ent ); + output( (code_int) EOFCode ); +} +//////////////////////////////////////////////////////////////////////////////// + +static const uint32_t code_mask[] = { 0x0000, 0x0001, 0x0003, 0x0007, 0x000F, + 0x001F, 0x003F, 0x007F, 0x00FF, + 0x01FF, 0x03FF, 0x07FF, 0x0FFF, + 0x1FFF, 0x3FFF, 0x7FFF, 0xFFFF }; + +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::output( code_int code) +{ + cur_accum &= code_mask[ cur_bits ]; + + if( cur_bits > 0 ) + cur_accum |= ((int32_t)code << cur_bits); + else + cur_accum = code; + + cur_bits += n_bits; + + while( cur_bits >= 8 ) { + char_out( (uint32_t)(cur_accum & 0xff) ); + cur_accum >>= 8; + cur_bits -= 8; + } + + /* + * If the next entry is going to be too big for the code size, + * then increase it, if possible. + */ + + if ( free_ent > maxcode || clear_flg ) { + if( clear_flg ) { + maxcode = (int16_t)MAXCODE(n_bits = g_init_bits); + clear_flg = 0; + } else { + ++n_bits; + if ( n_bits == MAXBITSCODES ) + maxcode = (code_int)1 << MAXBITSCODES; /* should NEVER generate this code */ + else + maxcode = (int16_t)MAXCODE(n_bits); + } + } + + if( code == EOFCode ) { + // At EOF, write the rest of the buffer. + while( cur_bits > 0 ) { + char_out( (uint32_t)(cur_accum & 0xff) ); + cur_accum >>= 8; + cur_bits -= 8; + } + + flush_char(); + g_outfile->Flush(); + + if(g_outfile->Error()) strcpy(info.szLastError,"Write Error in GIF file"); + } +} +//////////////////////////////////////////////////////////////////////////////// + +void CxImageGIF::cl_hash(int32_t hsize) + +{ + register int32_t *htab_p = htab+hsize; + + register int32_t i; + register int32_t m1 = -1L; + + i = hsize - 16; + + do { + *(htab_p-16)=m1; + *(htab_p-15)=m1; + *(htab_p-14)=m1; + *(htab_p-13)=m1; + *(htab_p-12)=m1; + *(htab_p-11)=m1; + *(htab_p-10)=m1; + *(htab_p-9)=m1; + *(htab_p-8)=m1; + *(htab_p-7)=m1; + *(htab_p-6)=m1; + *(htab_p-5)=m1; + *(htab_p-4)=m1; + *(htab_p-3)=m1; + *(htab_p-2)=m1; + *(htab_p-1)=m1; + + htab_p-=16; + } while ((i-=16) >=0); + + for (i+=16;i>0;--i) + *--htab_p=m1; +} + +/******************************************************************************* +* GIF specific +*******************************************************************************/ + +void CxImageGIF::char_out(int32_t c) +{ + accum[a_count++]=(char)c; + if (a_count >=254) + flush_char(); +} + +void CxImageGIF::flush_char() +{ + if (a_count > 0) { + g_outfile->PutC((uint8_t)a_count); + g_outfile->Write(accum,1,a_count); + a_count=0; + } +} + +/******************************************************************************* +* GIF decoder +*******************************************************************************/ +/* DECODE.C - An LZW decoder for GIF + * Copyright (C) 1987, by Steven A. Bennett + * Copyright (C) 1994, C++ version by Alejandro Aguilar Sierra +* + * Permission is given by the author to freely redistribute and include + * this code in any program as int32_t as this credit is given where due. + * + * In accordance with the above, I want to credit Steve Wilhite who wrote + * the code which this is heavily inspired by... + * + * GIF and 'Graphics Interchange Format' are trademarks (tm) of + * Compuserve, Incorporated, an H&R Block Company. + * + * Release Notes: This file contains a decoder routine for GIF images + * which is similar, structurally, to the original routine by Steve Wilhite. + * It is, however, somewhat noticably faster in most cases. + * + */ + +//////////////////////////////////////////////////////////////////////////////// + +int16_t CxImageGIF::init_exp(int16_t size) +{ + curr_size = (int16_t)(size + 1); + top_slot = (int16_t)(1 << curr_size); + clear = (int16_t)(1 << size); + ending = (int16_t)(clear + 1); + slot = newcodes = (int16_t)(ending + 1); + navail_bytes = nbits_left = 0; + + memset(stack,0,MAX_CODES + 1); + memset(prefix,0,MAX_CODES + 1); + memset(suffix,0,MAX_CODES + 1); + return(0); +} +//////////////////////////////////////////////////////////////////////////////// + +/* get_next_code() + * - gets the next code from the GIF file. Returns the code, or else + * a negative number in case of file errors... + */ +int16_t CxImageGIF::get_next_code(CxFile* file) +{ + int16_t i, x; + uint32_t ret; + + if (nbits_left == 0) { + if (navail_bytes <= 0) { + /* Out of bytes in current block, so read next block */ + pbytes = byte_buff; + if ((navail_bytes = (int16_t)get_byte(file)) < 0) + return(navail_bytes); + else if (navail_bytes) { + for (i = 0; i < navail_bytes; ++i) { + if ((x = (int16_t)get_byte(file)) < 0) return(x); + byte_buff[i] = (uint8_t)x; + } + } + } + b1 = *pbytes++; + nbits_left = 8; + --navail_bytes; + } + + if (navail_bytes<0) return ending; // prevent deadlocks (thanks to Mike Melnikov) + + ret = b1 >> (8 - nbits_left); + while (curr_size > nbits_left){ + if (navail_bytes <= 0){ + /* Out of bytes in current block, so read next block*/ + pbytes = byte_buff; + if ((navail_bytes = (int16_t)get_byte(file)) < 0) + return(navail_bytes); + else if (navail_bytes){ + for (i = 0; i < navail_bytes; ++i){ + if ((x = (int16_t)get_byte(file)) < 0) return(x); + byte_buff[i] = (uint8_t)x; + } + } + } + b1 = *pbytes++; + ret |= b1 << nbits_left; + nbits_left += 8; + --navail_bytes; + } + nbits_left = (int16_t)(nbits_left-curr_size); + ret &= code_mask[curr_size]; + return((int16_t)(ret)); +} +//////////////////////////////////////////////////////////////////////////////// + +/* int16_t decoder(linewidth) + * int16_t linewidth; * Pixels per line of image * + * + * - This function decodes an LZW image, according to the method used + * in the GIF spec. Every *linewidth* "characters" (ie. pixels) decoded + * will generate a call to out_line(), which is a user specific function + * to display a line of pixels. The function gets it's codes from + * get_next_code() which is responsible for reading blocks of data and + * seperating them into the proper size codes. Finally, get_byte() is + * the global routine to read the next uint8_t from the GIF file. + * + * It is generally a good idea to have linewidth correspond to the actual + * width of a line (as specified in the Image header) to make your own + * code a bit simpler, but it isn't absolutely necessary. + * + * Returns: 0 if successful, else negative. (See ERRS.H) + * + */ +/* bad_code_count is incremented each time an out of range code is read. + * When this value is non-zero after a decode, your GIF file is probably + * corrupt in some way... + */ +int16_t CxImageGIF::decoder(CxFile* file, CImageIterator* iter, int16_t linewidth, int32_t &bad_code_count) +{ + register uint8_t *sp, *bufptr; + uint8_t *buf; + register int16_t code, fc, oc, bufcnt; + int16_t c, size, ret; + + if (linewidth<=0) + return BAD_LINE_WIDTH; + + /* Initialize for decoding a new image... */ + bad_code_count = 0; + if ((size = (int16_t)get_byte(file)) < 0) return(size); + if (size < 2 || 9 < size) return(BAD_CODE_SIZE); + // out_line = outline; + init_exp(size); + //printf("L %d %x\n",linewidth,size); + + /* Initialize in case they forgot to put in a clear code. + * (This shouldn't happen, but we'll try and decode it anyway...) + */ + oc = fc = 0; + + /* Allocate space for the decode buffer */ + if ((buf = new uint8_t[linewidth + 1]) == NULL) return(OUT_OF_MEMORY); + + /* Set up the stack pointer and decode buffer pointer */ + sp = stack; + bufptr = buf; + bufcnt = linewidth; + + /* This is the main loop. For each code we get we pass through the + * linked list of prefix codes, pushing the corresponding "character" for + * each code onto the stack. When the list reaches a single "character" + * we push that on the stack too, and then start unstacking each + * character for output in the correct order. Special handling is + * included for the clear code, and the whole thing ends when we get + * an ending code. + */ + while ((c = get_next_code(file)) != ending) { + /* If we had a file error, return without completing the decode*/ + if (c < 0){ + delete [] buf; + return(0); + } + /* If the code is a clear code, reinitialize all necessary items.*/ + if (c == clear){ + curr_size = (int16_t)(size + 1); + slot = newcodes; + top_slot = (int16_t)(1 << curr_size); + + /* Continue reading codes until we get a non-clear code + * (Another unlikely, but possible case...) + */ + while ((c = get_next_code(file)) == clear); + + /* If we get an ending code immediately after a clear code + * (Yet another unlikely case), then break out of the loop. + */ + if (c == ending) break; + + /* Finally, if the code is beyond the range of already set codes, + * (This one had better NOT happen... I have no idea what will + * result from this, but I doubt it will look good...) then set it + * to color zero. + */ + if (c >= slot) c = 0; + oc = fc = c; + + /* And let us not forget to put the char into the buffer... And + * if, on the off chance, we were exactly one pixel from the end + * of the line, we have to send the buffer to the out_line() + * routine... + */ + *bufptr++ = (uint8_t)c; + if (--bufcnt == 0) { + if (iter) { + if ((ret = (int16_t)out_line(iter, buf, linewidth)) < 0) { + delete [] buf; + return(ret); + } + } + bufptr = buf; + bufcnt = linewidth; + } + } else { + /* In this case, it's not a clear code or an ending code, so + * it must be a code code... So we can now decode the code into + * a stack of character codes. (Clear as mud, right?) + */ + code = c; + + /* Here we go again with one of those off chances... If, on the + * off chance, the code we got is beyond the range of those already + * set up (Another thing which had better NOT happen...) we trick + * the decoder into thinking it actually got the last code read. + * (Hmmn... I'm not sure why this works... But it does...) + */ + if (code >= slot && sp<(stack+MAX_CODES-1)) { + if (code > slot) + ++bad_code_count; + code = oc; + *sp++ = (uint8_t)fc; + } + + /* Here we scan back along the linked list of prefixes, pushing + * helpless characters (ie. suffixes) onto the stack as we do so. + */ + while (code >= newcodes && sp<(stack+MAX_CODES-1)) { + *sp++ = suffix[code]; + code = prefix[code]; + } + + /* Push the last character on the stack, and set up the new + * prefix and suffix, and if the required slot number is greater + * than that allowed by the current bit size, increase the bit + * size. (NOTE - If we are all full, we *don't* save the new + * suffix and prefix... I'm not certain if this is correct... + * it might be more proper to overwrite the last code... + */ + *sp++ = (uint8_t)code; + if (slot < top_slot){ + suffix[slot] = (uint8_t)(fc = (uint8_t)code); + prefix[slot++] = oc; + oc = c; + } + if (slot >= top_slot){ + if (curr_size < 12) { + top_slot <<= 1; + ++curr_size; + } + } + + /* Now that we've pushed the decoded string (in reverse order) + * onto the stack, lets pop it off and put it into our decode + * buffer... And when the decode buffer is full, write another + * line... + */ + while (sp > stack) { + *bufptr++ = *(--sp); + if (--bufcnt == 0) { + if (iter) { + if ((ret = (int16_t)out_line(iter, buf, linewidth)) < 0) { + delete [] buf; + return(ret); + } + } + bufptr = buf; + bufcnt = linewidth; + } + } + } + } + ret = 0; + if (bufcnt != linewidth && iter) + ret = (int16_t)out_line(iter, buf, (linewidth - bufcnt)); + delete [] buf; + return(ret); +} +//////////////////////////////////////////////////////////////////////////////// +int32_t CxImageGIF::get_num_frames(CxFile *fp,struct_TabCol* TabColSrc,struct_dscgif* dscgif) +{ + struct_image image; + + int32_t pos=fp->Tell(); + int32_t nframes=0; + + struct_TabCol TempTabCol; + memcpy(&TempTabCol,TabColSrc,sizeof(struct_TabCol)); + + char ch; + bool bPreviousWasNull = true; + + for (BOOL bContinue = TRUE; bContinue; ) + { + if (fp->Read(&ch, sizeof(ch), 1) != 1) {break;} + + if (bPreviousWasNull || ch==0) + { + switch (ch) + { + case '!': // extension + { + DecodeExtension(fp); + break; + } + case ',': // image + { + + assert(sizeof(image) == 9); + //log << "Image header" << endl; + fp->Read(&image,sizeof(image),1); + + //avoid byte order problems with Solaris + image.l = m_ntohs(image.l); + image.t = m_ntohs(image.t); + image.w = m_ntohs(image.w); + image.h = m_ntohs(image.h); + + // in case of images with empty screen descriptor, give a last chance + if (dscgif->scrwidth==0 && dscgif->scrheight==0){ + dscgif->scrwidth = image.w; + dscgif->scrheight = image.h; + } + + if (((image.l + image.w) > dscgif->scrwidth)||((image.t + image.h) > dscgif->scrheight)) + break; + + nframes++; + + // Local colour map? + if (image.pf & 0x80) { + TempTabCol.sogct = (int16_t)(1 << ((image.pf & 0x07) +1)); + assert(3 == sizeof(struct rgb_color)); + fp->Read(TempTabCol.paleta,sizeof(struct rgb_color)*TempTabCol.sogct,1); + //log << "Local colour map" << endl; + } + + int32_t badcode=0; + ibf = GIFBUFTAM+1; + + interlaced = image.pf & 0x40; + iheight = image.h; + istep = 8; + iypos = 0; + ipass = 0; + + int32_t pos_start = fp->Tell(); + + //if (interlaced) log << "Interlaced" << endl; + decoder(fp, 0, image.w, badcode); + + if (badcode){ + seek_next_image(fp,pos_start); + } else { + fp->Seek(-(ibfmax - ibf - 1), SEEK_CUR); + } + + break; + } + case ';': //terminator + bContinue=false; + break; + default: + bPreviousWasNull = (ch==0); + break; + } + } + } + + fp->Seek(pos,SEEK_SET); + return nframes; +} +//////////////////////////////////////////////////////////////////////////////// +int32_t CxImageGIF::seek_next_image(CxFile* fp, int32_t position) +{ + fp->Seek(position, SEEK_SET); + char ch1,ch2; + ch1=ch2=0; + while(fp->Read(&ch2,sizeof(char),1)>0){ + if (ch1 == 0 && ch2 == ','){ + fp->Seek(-1,SEEK_CUR); + return fp->Tell(); + } else { + ch1 = ch2; + } + } + return -1; +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::SetLoops(int32_t loops) +{ m_loops=loops; } +//////////////////////////////////////////////////////////////////////////////// +int32_t CxImageGIF::GetLoops() +{ return m_loops; } +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::SetComment(const char* sz_comment_in) +{ if (sz_comment_in) strncpy(m_comment,sz_comment_in,255); } +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::GetComment(char* sz_comment_out) +{ if (sz_comment_out) strncpy(sz_comment_out,m_comment,255); } +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::GifMix(CxImage & imgsrc2, struct_image & imgdesc) +{ + int32_t ymin = max(0,(int32_t)(GetHeight()-imgdesc.t - imgdesc.h)); + int32_t ymax = GetHeight()-imgdesc.t; + int32_t xmin = imgdesc.l; + int32_t xmax = min(GetWidth(), (uint32_t)(imgdesc.l + imgdesc.w)); + + int32_t ibg2= imgsrc2.GetTransIndex(); + uint8_t i2; + + for(int32_t y = ymin; y < ymax; y++){ + for(int32_t x = xmin; x < xmax; x++){ + i2 = imgsrc2.GetPixelIndex(x-xmin,y-ymin); + if(i2!=ibg2) SetPixelIndex(x,y,i2); + } + } +} +//////////////////////////////////////////////////////////////////////////////// +/*----------------------------------------------------------------------- + * + * miGIF Compression - mouse and ivo's GIF-compatible compression + * + * -run length encoding compression routines- + * + * Copyright (C) 1998 Hutchison Avenue Software Corporation + * http://www.hasc.com + * info@hasc.com + * + * Permission to use, copy, modify, and distribute this software and its + * documentation for any purpose and without fee is hereby granted, provided + * that the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation. This software is provided "AS IS." The Hutchison Avenue + * Software Corporation disclaims all warranties, either express or implied, + * including but not limited to implied warranties of merchantability and + * fitness for a particular purpose, with respect to this code and accompanying + * documentation. + * + * The miGIF compression routines do not, strictly speaking, generate files + * conforming to the GIF spec, since the image data is not LZW-compressed + * (this is the point: in order to avoid transgression of the Unisys patent + * on the LZW algorithm.) However, miGIF generates data streams that any + * reasonably sane LZW decompresser will decompress to what we want. + * + * miGIF compression uses run length encoding. It compresses horizontal runs + * of pixels of the same color. This type of compression gives good results + * on images with many runs, for example images with lines, text and solid + * shapes on a solid-colored background. It gives little or no compression + * on images with few runs, for example digital or scanned photos. + * + * der Mouse + * mouse@rodents.montreal.qc.ca + * 7D C8 61 52 5D E7 2D 39 4E F1 31 3E E8 B3 27 4B + * + * ivo@hasc.com + * + * The Graphics Interchange Format(c) is the Copyright property of + * CompuServe Incorporated. GIF(sm) is a Service Mark property of + * CompuServe Incorporated. + * + */ +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::rle_clear(struct_RLE* rle) +{ + rle->out_bits = rle->out_bits_init; + rle->out_bump = rle->out_bump_init; + rle->out_clear = rle->out_clear_init; + rle->out_count = 0; + rle->rl_table_max = 0; + rle->just_cleared = 1; +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::rle_flush(struct_RLE* rle) +{ + if (rle->rl_count == 1){ + rle_output_plain(rle->rl_pixel,rle); + rle->rl_count = 0; + return; + } + if (rle->just_cleared){ + rle_flush_fromclear(rle->rl_count,rle); + } else if ((rle->rl_table_max < 2) || (rle->rl_table_pixel != rle->rl_pixel)) { + rle_flush_clearorrep(rle->rl_count,rle); + } else { + rle_flush_withtable(rle->rl_count,rle); + } + rle->rl_count = 0; +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::rle_output_plain(int32_t c,struct_RLE* rle) +{ + rle->just_cleared = 0; + rle_output(c,rle); + rle->out_count++; + if (rle->out_count >= rle->out_bump){ + rle->out_bits ++; + rle->out_bump += 1 << (rle->out_bits - 1); + } + if (rle->out_count >= rle->out_clear){ + rle_output(rle->code_clear,rle); + rle_clear(rle); + } +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::rle_flush_fromclear(int32_t count,struct_RLE* rle) +{ + int32_t n; + + rle->out_clear = rle->max_ocodes; + rle->rl_table_pixel = rle->rl_pixel; + n = 1; + while (count > 0){ + if (n == 1){ + rle->rl_table_max = 1; + rle_output_plain(rle->rl_pixel,rle); + count --; + } else if (count >= n){ + rle->rl_table_max = n; + rle_output_plain(rle->rl_basecode+n-2,rle); + count -= n; + } else if (count == 1){ + rle->rl_table_max ++; + rle_output_plain(rle->rl_pixel,rle); + count = 0; + } else { + rle->rl_table_max ++; + rle_output_plain(rle->rl_basecode+count-2,rle); + count = 0; + } + if (rle->out_count == 0) n = 1; else n ++; + } + rle_reset_out_clear(rle); +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::rle_reset_out_clear(struct_RLE* rle) +{ + rle->out_clear = rle->out_clear_init; + if (rle->out_count >= rle->out_clear){ + rle_output(rle->code_clear,rle); + rle_clear(rle); + } +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::rle_flush_withtable(int32_t count, struct_RLE* rle) +{ + int32_t repmax; + int32_t repleft; + int32_t leftover; + + repmax = count / rle->rl_table_max; + leftover = count % rle->rl_table_max; + repleft = (leftover ? 1 : 0); + if (rle->out_count+repmax+repleft > rle->max_ocodes){ + repmax = rle->max_ocodes - rle->out_count; + leftover = count - (repmax * rle->rl_table_max); + repleft = 1 + rle_compute_triangle_count(leftover,rle->max_ocodes); + } + if (1+rle_compute_triangle_count(count,rle->max_ocodes) < (uint32_t)(repmax+repleft)){ + rle_output(rle->code_clear,rle); + rle_clear(rle); + rle_flush_fromclear(count,rle); + return; + } + rle->out_clear = rle->max_ocodes; + for (;repmax>0;repmax--) rle_output_plain(rle->rl_basecode+rle->rl_table_max-2,rle); + if (leftover){ + if (rle->just_cleared){ + rle_flush_fromclear(leftover,rle); + } else if (leftover == 1){ + rle_output_plain(rle->rl_pixel,rle); + } else { + rle_output_plain(rle->rl_basecode+leftover-2,rle); + } + } + rle_reset_out_clear(rle); +} +//////////////////////////////////////////////////////////////////////////////// +uint32_t CxImageGIF::rle_compute_triangle_count(uint32_t count, uint32_t nrepcodes) +{ + uint32_t perrep; + uint32_t cost; + + cost = 0; + perrep = (nrepcodes * (nrepcodes+1)) / 2; + while (count >= perrep){ + cost += nrepcodes; + count -= perrep; + } + if (count > 0){ + uint32_t n; + n = rle_isqrt(count); + while ((n*(n+1)) >= 2*count) n --; + while ((n*(n+1)) < 2*count) n ++; + cost += n; + } + return(cost); +} +//////////////////////////////////////////////////////////////////////////////// +uint32_t CxImageGIF::rle_isqrt(uint32_t x) +{ + uint32_t r; + uint32_t v; + + if (x < 2) return(x); + for (v=x,r=1;v;v>>=2,r<<=1) ; + for( ;; ) + { + v = ((x / r) + r) / 2; + if ((v == r) || (v == r+1)) return(r); + r = v; + } +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::rle_flush_clearorrep(int32_t count, struct_RLE* rle) +{ + int32_t withclr; + withclr = 1 + rle_compute_triangle_count(count,rle->max_ocodes); + if (withclr < count) { + rle_output(rle->code_clear,rle); + rle_clear(rle); + rle_flush_fromclear(count,rle); + } else { + for (;count>0;count--) rle_output_plain(rle->rl_pixel,rle); + } +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::rle_write_block(struct_RLE* rle) +{ + g_outfile->PutC((uint8_t)rle->oblen); + g_outfile->Write(rle->oblock,1,rle->oblen); + rle->oblen = 0; +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::rle_block_out(uint8_t c, struct_RLE* rle) +{ + rle->oblock[rle->oblen++] = c; + if (rle->oblen >= 255) rle_write_block(rle); +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::rle_block_flush(struct_RLE* rle) +{ + if (rle->oblen > 0) rle_write_block(rle); +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::rle_output(int32_t val, struct_RLE* rle) +{ + rle->obuf |= val << rle->obits; + rle->obits += rle->out_bits; + while (rle->obits >= 8){ + rle_block_out((uint8_t)(rle->obuf&0xff),rle); + rle->obuf >>= 8; + rle->obits -= 8; + } +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::rle_output_flush(struct_RLE* rle) +{ + if (rle->obits > 0) rle_block_out((uint8_t)(rle->obuf),rle); + rle_block_flush(rle); +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageGIF::compressRLE( int32_t init_bits, CxFile* outfile) +{ + g_init_bits = init_bits; + g_outfile = outfile; + + struct_RLE rle; + rle.code_clear = 1 << (init_bits - 1); + rle.code_eof = rle.code_clear + 1; + rle.rl_basecode = rle.code_eof + 1; + rle.out_bump_init = (1 << (init_bits - 1)) - 1; + rle.out_clear_init = (init_bits <= 3) ? 9 : (rle.out_bump_init-1); + rle.out_bits_init = init_bits; + rle.max_ocodes = (1 << MAXBITSCODES) - ((1 << (rle.out_bits_init - 1)) + 3); + rle.rl_count = 0; + rle_clear(&rle); + rle.obuf = 0; + rle.obits = 0; + rle.oblen = 0; + + rle_output(rle.code_clear,&rle); + + int32_t c; + for( ;; ) + { + c = GifNextPixel(); + if ((rle.rl_count > 0) && (c != rle.rl_pixel)) rle_flush(&rle); + if (c == EOF) break; + if (rle.rl_pixel == c){ + rle.rl_count++; + } else { + rle.rl_pixel = c; + rle.rl_count = 1; + } + } + rle_output(rle.code_eof,&rle); + rle_output_flush(&rle); +} +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_GIF diff --git a/smelt/glfw/CxImage/ximagif.h b/smelt/glfw/CxImage/ximagif.h new file mode 100644 index 0000000..4eec35e --- /dev/null +++ b/smelt/glfw/CxImage/ximagif.h @@ -0,0 +1,244 @@ +/* + * File: ximagif.h + * Purpose: GIF Image Class Loader and Writer + */ +/* ========================================================== + * CxImageGIF (c) 07/Aug/2001 Davide Pizzolato - www.xdp.it + * For conditions of distribution and use, see copyright notice in ximage.h + * + * Special thanks to Troels Knakkergaard for new features, enhancements and bugfixes + * + * original CImageGIF and CImageIterator implementation are: + * Copyright: (c) 1995, Alejandro Aguilar Sierra + * + * 6/15/97 Randy Spann: Added GIF87a writing support + * R.Spann@ConnRiver.net + * + * DECODE.C - An LZW decoder for GIF + * Copyright (C) 1987, by Steven A. Bennett + * Copyright (C) 1994, C++ version by Alejandro Aguilar Sierra + * + * In accordance with the above, I want to credit Steve Wilhite who wrote + * the code which this is heavily inspired by... + * + * GIF and 'Graphics Interchange Format' are trademarks (tm) of + * Compuserve, Incorporated, an H&R Block Company. + * + * Release Notes: This file contains a decoder routine for GIF images + * which is similar, structurally, to the original routine by Steve Wilhite. + * It is, however, somewhat noticably faster in most cases. + * + * ========================================================== + */ + +#if !defined(__ximaGIF_h) +#define __ximaGIF_h + +#include "ximage.h" + +#if CXIMAGE_SUPPORT_GIF + +typedef int16_t code_int; + +/* Various error codes used by decoder */ +#define OUT_OF_MEMORY -10 +#define BAD_CODE_SIZE -20 +#define READ_ERROR -1 +#define WRITE_ERROR -2 +#define OPEN_ERROR -3 +#define CREATE_ERROR -4 +#define BAD_LINE_WIDTH -5 +#define MAX_CODES 4095 +#define GIFBUFTAM 16383 +#define TRANSPARENCY_CODE 0xF9 + +//LZW GIF Image compression +#define MAXBITSCODES 12 +#define HSIZE 5003 /* 80% occupancy */ +#define MAXCODE(n_bits) (((code_int) 1 << (n_bits)) - 1) +#define HashTabOf(i) htab[i] +#define CodeTabOf(i) codetab[i] + + +class CImageIterator; +class DLL_EXP CxImageGIF: public CxImage +{ +#pragma pack(1) + +typedef struct tag_gifgce{ + uint8_t flags; /*res:3|dispmeth:3|userinputflag:1|transpcolflag:1*/ + uint16_t delaytime; + uint8_t transpcolindex; +} struct_gifgce; + +typedef struct tag_dscgif{ /* Logic Screen Descriptor */ + char header[6]; /* Firma and version */ + uint16_t scrwidth; + uint16_t scrheight; + char pflds; + char bcindx; + char pxasrat; +} struct_dscgif; + +typedef struct tag_image{ /* Image Descriptor */ + uint16_t l; + uint16_t t; + uint16_t w; + uint16_t h; + uint8_t pf; +} struct_image; + +typedef struct tag_TabCol{ /* Tabla de colores */ + int16_t colres; /* color resolution */ + int16_t sogct; /* size of global color table */ + rgb_color paleta[256]; /* paleta */ +} struct_TabCol; + +typedef struct tag_RLE{ + int32_t rl_pixel; + int32_t rl_basecode; + int32_t rl_count; + int32_t rl_table_pixel; + int32_t rl_table_max; + int32_t just_cleared; + int32_t out_bits; + int32_t out_bits_init; + int32_t out_count; + int32_t out_bump; + int32_t out_bump_init; + int32_t out_clear; + int32_t out_clear_init; + int32_t max_ocodes; + int32_t code_clear; + int32_t code_eof; + uint32_t obuf; + int32_t obits; + uint8_t oblock[256]; + int32_t oblen; +} struct_RLE; +#pragma pack() + +public: + CxImageGIF(); + ~CxImageGIF(); + +// bool Load(const TCHAR * imageFileName){ return CxImage::Load(imageFileName,CXIMAGE_FORMAT_GIF);} +// bool Save(const TCHAR * imageFileName){ return CxImage::Save(imageFileName,CXIMAGE_FORMAT_GIF);} + + bool Decode(CxFile * fp); + bool Decode(FILE *fp) { CxIOFile file(fp); return Decode(&file); } + +#if CXIMAGE_SUPPORT_ENCODE + bool Encode(CxFile * fp); + bool Encode(CxFile * fp, CxImage ** pImages, int32_t pagecount, bool bLocalColorMap = false, bool bLocalDispMeth = false); + bool Encode(FILE *fp) { CxIOFile file(fp); return Encode(&file); } + bool Encode(FILE *fp, CxImage ** pImages, int32_t pagecount, bool bLocalColorMap = false) + { CxIOFile file(fp); return Encode(&file, pImages, pagecount, bLocalColorMap); } +#endif // CXIMAGE_SUPPORT_ENCODE + + void SetLoops(int32_t loops); + int32_t GetLoops(); + void SetComment(const char* sz_comment_in); + void GetComment(char* sz_comment_out); + +protected: + bool DecodeExtension(CxFile *fp); + void EncodeHeader(CxFile *fp); + void EncodeLoopExtension(CxFile *fp); + void EncodeExtension(CxFile *fp); + void EncodeBody(CxFile *fp, bool bLocalColorMap = false); + void EncodeComment(CxFile *fp); + bool EncodeRGB(CxFile *fp); + void GifMix(CxImage & imgsrc2, struct_image & imgdesc); + + struct_gifgce gifgce; + + int32_t curx, cury; + int32_t CountDown; + uint32_t cur_accum; + int32_t cur_bits; + int32_t interlaced, iypos, istep, iheight, ipass; + int32_t ibf; + int32_t ibfmax; + uint8_t * buf; +// Implementation + int32_t GifNextPixel (); + void Putword (int32_t w, CxFile* fp ); + void compressNONE (int32_t init_bits, CxFile* outfile); + void compressLZW (int32_t init_bits, CxFile* outfile); + void output (code_int code ); + void cl_hash (int32_t hsize); + void char_out (int32_t c); + void flush_char (); + int16_t init_exp(int16_t size); + int16_t get_next_code(CxFile*); + int16_t decoder(CxFile*, CImageIterator* iter, int16_t linewidth, int32_t &bad_code_count); + int32_t get_byte(CxFile*); + int32_t out_line(CImageIterator* iter, uint8_t *pixels, int32_t linelen); + int32_t get_num_frames(CxFile *f,struct_TabCol* TabColSrc,struct_dscgif* dscgif); + int32_t seek_next_image(CxFile* fp, int32_t position); + + int16_t curr_size; /* The current code size */ + int16_t clear; /* Value for a clear code */ + int16_t ending; /* Value for a ending code */ + int16_t newcodes; /* First available code */ + int16_t top_slot; /* Highest code for current size */ + int16_t slot; /* Last read code */ + + /* The following static variables are used + * for seperating out codes */ + int16_t navail_bytes; /* # bytes left in block */ + int16_t nbits_left; /* # bits left in current uint8_t */ + uint8_t b1; /* Current uint8_t */ + uint8_t * byte_buff; /* Current block */ + uint8_t *pbytes; /* Pointer to next uint8_t in block */ + /* The reason we have these seperated like this instead of using + * a structure like the original Wilhite code did, is because this + * stuff generally produces significantly faster code when compiled... + * This code is full of similar speedups... (For a good book on writing + * C for speed or for space optomisation, see Efficient C by Tom Plum, + * published by Plum-Hall Associates...) + */ + uint8_t * stack; /* Stack for storing pixels */ + uint8_t * suffix; /* Suffix table */ + uint16_t * prefix; /* Prefix linked list */ + +//LZW GIF Image compression routines + int32_t * htab; + uint16_t * codetab; + int32_t n_bits; /* number of bits/code */ + code_int maxcode; /* maximum code, given n_bits */ + code_int free_ent; /* first unused entry */ + int32_t clear_flg; + int32_t g_init_bits; + CxFile* g_outfile; + int32_t ClearCode; + int32_t EOFCode; + + int32_t a_count; + char * accum; + + char * m_comment; + int32_t m_loops; + +//RLE compression routines + void compressRLE( int32_t init_bits, CxFile* outfile); + void rle_clear(struct_RLE* rle); + void rle_flush(struct_RLE* rle); + void rle_flush_withtable(int32_t count, struct_RLE* rle); + void rle_flush_clearorrep(int32_t count, struct_RLE* rle); + void rle_flush_fromclear(int32_t count,struct_RLE* rle); + void rle_output_plain(int32_t c,struct_RLE* rle); + void rle_reset_out_clear(struct_RLE* rle); + uint32_t rle_compute_triangle_count(uint32_t count, uint32_t nrepcodes); + uint32_t rle_isqrt(uint32_t x); + void rle_write_block(struct_RLE* rle); + void rle_block_out(uint8_t c, struct_RLE* rle); + void rle_block_flush(struct_RLE* rle); + void rle_output(int32_t val, struct_RLE* rle); + void rle_output_flush(struct_RLE* rle); +}; + +#endif + +#endif diff --git a/smelt/glfw/CxImage/ximahist.cpp b/smelt/glfw/CxImage/ximahist.cpp new file mode 100644 index 0000000..830337f --- /dev/null +++ b/smelt/glfw/CxImage/ximahist.cpp @@ -0,0 +1,627 @@ +// xImaHist.cpp : histogram functions +/* 28/01/2004 v1.00 - www.xdp.it + * CxImage version 7.0.0 31/Dec/2010 + */ + +#include "ximage.h" + +#if CXIMAGE_SUPPORT_DSP + +//////////////////////////////////////////////////////////////////////////////// +int32_t CxImage::Histogram(int32_t* red, int32_t* green, int32_t* blue, int32_t* gray, int32_t colorspace) +{ + if (!pDib) return 0; + RGBQUAD color; + + if (red) memset(red,0,256*sizeof(int32_t)); + if (green) memset(green,0,256*sizeof(int32_t)); + if (blue) memset(blue,0,256*sizeof(int32_t)); + if (gray) memset(gray,0,256*sizeof(int32_t)); + + int32_t xmin,xmax,ymin,ymax; + if (pSelection){ + xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right; + ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top; + } else { + xmin = ymin = 0; + xmax = head.biWidth; ymax=head.biHeight; + } + + for(int32_t y=ymin; yn) n=red[i]; + if (green && green[i]>n) n=green[i]; + if (blue && blue[i]>n) n=blue[i]; + if (gray && gray[i]>n) n=gray[i]; + } + + return n; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * HistogramStretch + * \param method: 0 = luminance (default), 1 = linked channels , 2 = independent channels. + * \param threshold: minimum percentage level in the histogram to recognize it as meaningful. Range: 0.0 to 1.0; default = 0; typical = 0.005 (0.5%); + * \return true if everything is ok + * \author [dave] and [nipper]; changes [DP] + */ +bool CxImage::HistogramStretch(int32_t method, double threshold) +{ + if (!pDib) return false; + + double dbScaler = 50.0/head.biHeight; + int32_t x,y; + + if ((head.biBitCount==8) && IsGrayScale()){ + + double p[256]; + memset(p, 0, 256*sizeof(double)); + for (y=0; y0 && p[maxc]<=threshold) maxc--; + + if (minc == 0 && maxc == 255) return true; + if (minc >= maxc) return true; + + // calculate LUT + uint8_t lut[256]; + for (x = 0; x <256; x++){ + lut[x] = (uint8_t)max(0,min(255,(255 * (x - minc) / (maxc - minc)))); + } + + for (y=0; y + double p[256]; + memset(p, 0, 256*sizeof(double)); + for (y=0; y0 && p[maxc]<=threshold) maxc--; + + if (minc == 0 && maxc == 255) return true; + if (minc >= maxc) return true; + + // calculate LUT + uint8_t lut[256]; + for (x = 0; x <256; x++){ + lut[x] = (uint8_t)max(0,min(255,(255 * (x - minc) / (maxc - minc)))); + } + + // normalize image + for (y=0; y + double pR[256]; + memset(pR, 0, 256*sizeof(double)); + double pG[256]; + memset(pG, 0, 256*sizeof(double)); + double pB[256]; + memset(pB, 0, 256*sizeof(double)); + for (y=0; y0 && pR[maxR]<=threshold2) maxR--; + + maxh = 0; + for (y=0; y<255; y++) if (maxh < pG[y]) maxh = pG[y]; + threshold2 = threshold*maxh; + int32_t minG = 0; + while (minG<255 && pG[minG]<=threshold2) minG++; + int32_t maxG = 255; + while (maxG>0 && pG[maxG]<=threshold2) maxG--; + + maxh = 0; + for (y=0; y<255; y++) if (maxh < pB[y]) maxh = pB[y]; + threshold2 = threshold*maxh; + int32_t minB = 0; + while (minB<255 && pB[minB]<=threshold2) minB++; + int32_t maxB = 255; + while (maxB>0 && pB[maxB]<=threshold2) maxB--; + + if (minR == 0 && maxR == 255 && minG == 0 && maxG == 255 && minB == 0 && maxB == 255) + return true; + + // calculate LUT + uint8_t lutR[256]; + uint8_t range = maxR - minR; + if (range != 0) { + for (x = 0; x <256; x++){ + lutR[x] = (uint8_t)max(0,min(255,(255 * (x - minR) / range))); + } + } else lutR[minR] = minR; + + uint8_t lutG[256]; + range = maxG - minG; + if (range != 0) { + for (x = 0; x <256; x++){ + lutG[x] = (uint8_t)max(0,min(255,(255 * (x - minG) / range))); + } + } else lutG[minG] = minG; + + uint8_t lutB[256]; + range = maxB - minB; + if (range != 0) { + for (x = 0; x <256; x++){ + lutB[x] = (uint8_t)max(0,min(255,(255 * (x - minB) / range))); + } + } else lutB[minB] = minB; + + // normalize image + for (y=0; y + double p[256]; + memset(p, 0, 256*sizeof(double)); + for (y=0; y0 && p[maxc]<=threshold) maxc--; + + if (minc == 0 && maxc == 255) return true; + if (minc >= maxc) return true; + + // calculate LUT + uint8_t lut[256]; + for (x = 0; x <256; x++){ + lut[x] = (uint8_t)max(0,min(255,(255 * (x - minc) / (maxc - minc)))); + } + + for(y=0; y : dave(at)posortho(dot)com +bool CxImage::HistogramEqualize() +{ + if (!pDib) return false; + + int32_t histogram[256]; + int32_t map[256]; + int32_t equalize_map[256]; + int32_t x, y, i, j; + RGBQUAD color; + RGBQUAD yuvClr; + uint32_t YVal, high, low; + + memset( &histogram, 0, sizeof(int32_t) * 256 ); + memset( &map, 0, sizeof(int32_t) * 256 ); + memset( &equalize_map, 0, sizeof(int32_t) * 256 ); + + // form histogram + for(y=0; y < head.biHeight; y++){ + info.nProgress = (int32_t)(50*y/head.biHeight); + if (info.nEscape) break; + for(x=0; x < head.biWidth; x++){ + color = BlindGetPixelColor( x, y ); + YVal = (uint32_t)RGB2GRAY(color.rgbRed, color.rgbGreen, color.rgbBlue); + histogram[YVal]++; + } + } + + // integrate the histogram to get the equalization map. + j = 0; + for(i=0; i <= 255; i++){ + j += histogram[i]; + map[i] = j; + } + + // equalize + low = map[0]; + high = map[255]; + if (low == high) return false; + for( i = 0; i <= 255; i++ ){ + equalize_map[i] = (uint32_t)((((double)( map[i] - low ) ) * 255) / ( high - low ) ); + } + + // stretch the histogram + if(head.biClrUsed == 0){ // No Palette + for( y = 0; y < head.biHeight; y++ ){ + info.nProgress = (int32_t)(50+50*y/head.biHeight); + if (info.nEscape) break; + for( x = 0; x < head.biWidth; x++ ){ + + color = BlindGetPixelColor( x, y ); + yuvClr = RGBtoYUV(color); + + yuvClr.rgbRed = (uint8_t)equalize_map[yuvClr.rgbRed]; + + color = YUVtoRGB(yuvClr); + BlindSetPixelColor( x, y, color ); + } + } + } else { // Palette + for( i = 0; i < (int32_t)head.biClrUsed; i++ ){ + + color = GetPaletteColor((uint8_t)i); + yuvClr = RGBtoYUV(color); + + yuvClr.rgbRed = (uint8_t)equalize_map[yuvClr.rgbRed]; + + color = YUVtoRGB(yuvClr); + SetPaletteColor( (uint8_t)i, color ); + } + } + return true; +} +//////////////////////////////////////////////////////////////////////////////// +// HistogramNormalize function by : dave(at)posortho(dot)com +bool CxImage::HistogramNormalize() +{ + if (!pDib) return false; + + int32_t histogram[256]; + int32_t threshold_intensity, intense; + int32_t x, y, i; + uint32_t normalize_map[256]; + uint32_t high, low, YVal; + + RGBQUAD color; + RGBQUAD yuvClr; + + memset( &histogram, 0, sizeof( int32_t ) * 256 ); + memset( &normalize_map, 0, sizeof( uint32_t ) * 256 ); + + // form histogram + for(y=0; y < head.biHeight; y++){ + info.nProgress = (int32_t)(50*y/head.biHeight); + if (info.nEscape) break; + for(x=0; x < head.biWidth; x++){ + color = BlindGetPixelColor( x, y ); + YVal = (uint32_t)RGB2GRAY(color.rgbRed, color.rgbGreen, color.rgbBlue); + histogram[YVal]++; + } + } + + // find histogram boundaries by locating the 1 percent levels + threshold_intensity = ( head.biWidth * head.biHeight) / 100; + + intense = 0; + for( low = 0; low < 255; low++ ){ + intense += histogram[low]; + if( intense > threshold_intensity ) break; + } + + intense = 0; + for( high = 255; high != 0; high--){ + intense += histogram[ high ]; + if( intense > threshold_intensity ) break; + } + + if ( low == high ){ + // Unreasonable contrast; use zero threshold to determine boundaries. + threshold_intensity = 0; + intense = 0; + for( low = 0; low < 255; low++){ + intense += histogram[low]; + if( intense > threshold_intensity ) break; + } + intense = 0; + for( high = 255; high != 0; high-- ){ + intense += histogram [high ]; + if( intense > threshold_intensity ) break; + } + } + if( low == high ) return false; // zero span bound + + // Stretch the histogram to create the normalized image mapping. + for(i = 0; i <= 255; i++){ + if ( i < (int32_t) low ){ + normalize_map[i] = 0; + } else { + if(i > (int32_t) high) + normalize_map[i] = 255; + else + normalize_map[i] = ( 255 - 1) * ( i - low) / ( high - low ); + } + } + + // Normalize + if( head.biClrUsed == 0 ){ + for( y = 0; y < head.biHeight; y++ ){ + info.nProgress = (int32_t)(50+50*y/head.biHeight); + if (info.nEscape) break; + for( x = 0; x < head.biWidth; x++ ){ + + color = BlindGetPixelColor( x, y ); + yuvClr = RGBtoYUV( color ); + + yuvClr.rgbRed = (uint8_t)normalize_map[yuvClr.rgbRed]; + + color = YUVtoRGB( yuvClr ); + BlindSetPixelColor( x, y, color ); + } + } + } else { + for(i = 0; i < (int32_t)head.biClrUsed; i++){ + + color = GetPaletteColor( (uint8_t)i ); + yuvClr = RGBtoYUV( color ); + + yuvClr.rgbRed = (uint8_t)normalize_map[yuvClr.rgbRed]; + + color = YUVtoRGB( yuvClr ); + SetPaletteColor( (uint8_t)i, color ); + } + } + return true; +} +//////////////////////////////////////////////////////////////////////////////// +// HistogramLog function by : dave(at)posortho(dot)com +bool CxImage::HistogramLog() +{ + if (!pDib) return false; + + //q(i,j) = 255/log(1 + |high|) * log(1 + |p(i,j)|); + int32_t x, y, i; + RGBQUAD color; + RGBQUAD yuvClr; + + uint32_t YVal, high = 1; + + // Find Highest Luminance Value in the Image + if( head.biClrUsed == 0 ){ // No Palette + for(y=0; y < head.biHeight; y++){ + info.nProgress = (int32_t)(50*y/head.biHeight); + if (info.nEscape) break; + for(x=0; x < head.biWidth; x++){ + color = BlindGetPixelColor( x, y ); + YVal = (uint32_t)RGB2GRAY(color.rgbRed, color.rgbGreen, color.rgbBlue); + if (YVal > high ) high = YVal; + } + } + } else { // Palette + for(i = 0; i < (int32_t)head.biClrUsed; i++){ + color = GetPaletteColor((uint8_t)i); + YVal = (uint32_t)RGB2GRAY(color.rgbRed, color.rgbGreen, color.rgbBlue); + if (YVal > high ) high = YVal; + } + } + + // Logarithm Operator + double k = 255.0 / ::log( 1.0 + (double)high ); + if( head.biClrUsed == 0 ){ + for( y = 0; y < head.biHeight; y++ ){ + info.nProgress = (int32_t)(50+50*y/head.biHeight); + if (info.nEscape) break; + for( x = 0; x < head.biWidth; x++ ){ + + color = BlindGetPixelColor( x, y ); + yuvClr = RGBtoYUV( color ); + + yuvClr.rgbRed = (uint8_t)(k * ::log( 1.0 + (double)yuvClr.rgbRed ) ); + + color = YUVtoRGB( yuvClr ); + BlindSetPixelColor( x, y, color ); + } + } + } else { + for(i = 0; i < (int32_t)head.biClrUsed; i++){ + + color = GetPaletteColor( (uint8_t)i ); + yuvClr = RGBtoYUV( color ); + + yuvClr.rgbRed = (uint8_t)(k * ::log( 1.0 + (double)yuvClr.rgbRed ) ); + + color = YUVtoRGB( yuvClr ); + SetPaletteColor( (uint8_t)i, color ); + } + } + + return true; +} + +//////////////////////////////////////////////////////////////////////////////// +// HistogramRoot function by : dave(at)posortho(dot)com +bool CxImage::HistogramRoot() +{ + if (!pDib) return false; + //q(i,j) = sqrt(|p(i,j)|); + + int32_t x, y, i; + RGBQUAD color; + RGBQUAD yuvClr; + double dtmp; + uint32_t YVal, high = 1; + + // Find Highest Luminance Value in the Image + if( head.biClrUsed == 0 ){ // No Palette + for(y=0; y < head.biHeight; y++){ + info.nProgress = (int32_t)(50*y/head.biHeight); + if (info.nEscape) break; + for(x=0; x < head.biWidth; x++){ + color = BlindGetPixelColor( x, y ); + YVal = (uint32_t)RGB2GRAY(color.rgbRed, color.rgbGreen, color.rgbBlue); + if (YVal > high ) high = YVal; + } + } + } else { // Palette + for(i = 0; i < (int32_t)head.biClrUsed; i++){ + color = GetPaletteColor((uint8_t)i); + YVal = (uint32_t)RGB2GRAY(color.rgbRed, color.rgbGreen, color.rgbBlue); + if (YVal > high ) high = YVal; + } + } + + // Root Operator + double k = 256.0 / ::sqrt( 1.0 + (double)high ); + if( head.biClrUsed == 0 ){ + for( y = 0; y < head.biHeight; y++ ){ + info.nProgress = (int32_t)(50+50*y/head.biHeight); + if (info.nEscape) break; + for( x = 0; x < head.biWidth; x++ ){ + + color = BlindGetPixelColor( x, y ); + yuvClr = RGBtoYUV( color ); + + dtmp = k * ::sqrt( (double)yuvClr.rgbRed ); + if ( dtmp > 255.0 ) dtmp = 255.0; + if ( dtmp < 0 ) dtmp = 0; + yuvClr.rgbRed = (uint8_t)dtmp; + + color = YUVtoRGB( yuvClr ); + BlindSetPixelColor( x, y, color ); + } + } + } else { + for(i = 0; i < (int32_t)head.biClrUsed; i++){ + + color = GetPaletteColor( (uint8_t)i ); + yuvClr = RGBtoYUV( color ); + + dtmp = k * ::sqrt( (double)yuvClr.rgbRed ); + if ( dtmp > 255.0 ) dtmp = 255.0; + if ( dtmp < 0 ) dtmp = 0; + yuvClr.rgbRed = (uint8_t)dtmp; + + color = YUVtoRGB( yuvClr ); + SetPaletteColor( (uint8_t)i, color ); + } + } + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +#endif diff --git a/smelt/glfw/CxImage/ximaico.cpp b/smelt/glfw/CxImage/ximaico.cpp new file mode 100644 index 0000000..a808697 --- /dev/null +++ b/smelt/glfw/CxImage/ximaico.cpp @@ -0,0 +1,470 @@ +/* + * File: ximaico.cpp + * Purpose: Platform Independent ICON Image Class Loader and Writer (MS version) + * 07/Aug/2001 Davide Pizzolato - www.xdp.it + * CxImage version 7.0.0 31/Dec/2010 + */ + +#include "ximaico.h" + +#if CXIMAGE_SUPPORT_ICO + +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImageICO::Decode(CxFile *hFile) +{ + if (hFile==NULL) return false; + + uint32_t off = hFile->Tell(); // + int32_t page=info.nFrame; //internal icon structure indexes + + // read the first part of the header + ICONHEADER icon_header; + hFile->Read(&icon_header,sizeof(ICONHEADER),1); + + icon_header.idType = m_ntohs(icon_header.idType); + icon_header.idCount = m_ntohs(icon_header.idCount); + + // check if it's an icon or a cursor + if ((icon_header.idReserved == 0) && ((icon_header.idType == 1)||(icon_header.idType == 2))) { + + info.nNumFrames = icon_header.idCount; + + // load the icon descriptions + ICONDIRENTRY *icon_list = (ICONDIRENTRY *)malloc(icon_header.idCount * sizeof(ICONDIRENTRY)); + int32_t c; + for (c = 0; c < icon_header.idCount; c++) { + hFile->Read(icon_list + c, sizeof(ICONDIRENTRY), 1); + + icon_list[c].wPlanes = m_ntohs(icon_list[c].wPlanes); + icon_list[c].wBitCount = m_ntohs(icon_list[c].wBitCount); + icon_list[c].dwBytesInRes = m_ntohl(icon_list[c].dwBytesInRes); + icon_list[c].dwImageOffset = m_ntohl(icon_list[c].dwImageOffset); + } + + if ((page>=0)&&(pageSeek(off + icon_list[page].dwImageOffset, SEEK_SET); + CxImage png; + png.SetEscape(-1); + if (png.Decode(hFile,CXIMAGE_FORMAT_PNG)){ + Transfer(png); + info.nNumFrames = icon_header.idCount; + } + } +#endif //CXIMAGE_SUPPORT_PNG + free(icon_list); + info.dwType = CXIMAGE_FORMAT_ICO; + return true; + } + + // get the bit count for the colors in the icon + BITMAPINFOHEADER bih; + hFile->Seek(off + icon_list[page].dwImageOffset, SEEK_SET); + + if (icon_list[page].bWidth==0 && icon_list[page].bHeight==0) + { // Vista icon support +#if CXIMAGE_SUPPORT_PNG + CxImage png; + if (png.Decode(hFile,CXIMAGE_FORMAT_PNG)){ + Transfer(png); + info.nNumFrames = icon_header.idCount; + } + SetType(CXIMAGE_FORMAT_ICO); +#endif //CXIMAGE_SUPPORT_PNG + } + else + { // standard icon + hFile->Read(&bih,sizeof(BITMAPINFOHEADER),1); + + bihtoh(&bih); + + c = bih.biBitCount; + + // allocate memory for one icon + Create(icon_list[page].bWidth,icon_list[page].bHeight, c, CXIMAGE_FORMAT_ICO); //image creation + + // read the palette + RGBQUAD pal[256]; + if (bih.biClrUsed) + hFile->Read(pal,bih.biClrUsed*sizeof(RGBQUAD), 1); + else + hFile->Read(pal,head.biClrUsed*sizeof(RGBQUAD), 1); + + SetPalette(pal,head.biClrUsed); //palette assign + + //read the icon + if (c<=24){ + hFile->Read(info.pImage, head.biSizeImage, 1); + } else { // 32 bit icon + uint8_t* buf=(uint8_t*)malloc(4*head.biHeight*head.biWidth); + uint8_t* src = buf; + hFile->Read(buf, 4*head.biHeight*head.biWidth, 1); +#if CXIMAGE_SUPPORT_ALPHA + if (!AlphaIsValid()) AlphaCreate(); +#endif //CXIMAGE_SUPPORT_ALPHA + for (int32_t y = 0; y < head.biHeight; y++) { + uint8_t* dst = GetBits(y); + for(int32_t x=0;xRead(mask, masksize, 1)){ + + bool bGoodMask=false; + for (int32_t im=0;im>3)]>>(7-x%8))&0x01)){ + AlphaSet(x,y,0); + bNeedAlpha=true; + } + } + } + if (!bNeedAlpha) AlphaDelete(); +#endif //CXIMAGE_SUPPORT_ALPHA + + //check if there is only one transparent color + RGBQUAD cc,ct; + int32_t nTransColors=0; + int32_t nTransIndex=0; + for (y = 0; y < head.biHeight; y++){ + for (x = 0; x < head.biWidth; x++){ + if (((mask[y*maskwdt+(x>>3)] >> (7-x%8)) & 0x01)){ + cc = GetPixelColor(x,y,false); + if (nTransColors==0){ + nTransIndex = GetPixelIndex(x,y); + nTransColors++; + ct = cc; + } else { + if (memcmp(&cc, &ct, sizeof(RGBQUAD)) != 0){ + nTransColors++; + } + } + } + } + } + if (nTransColors==1 && c<=8){ + SetTransColor(ct); + SetTransIndex(nTransIndex); +#if CXIMAGE_SUPPORT_ALPHA + AlphaDelete(); //because we have a unique transparent color in the image +#endif //CXIMAGE_SUPPORT_ALPHA + } + + // - Transparency support w/o Alpha support + if (c <= 8){ // only for icons with less than 256 colors (XP icons need alpha). + + // find a color index, which is not used in the image + // it is almost sure to find one, bcs. nobody uses all possible colors for an icon + + uint8_t colorsUsed[256]; + memset(colorsUsed, 0, sizeof(colorsUsed)); + + for (y = 0; y < head.biHeight; y++){ + for (x = 0; x < head.biWidth; x++){ + colorsUsed[BlindGetPixelIndex(x,y)] = 1; + } + } + + int32_t iTransIdx = -1; + for (x = (int32_t)(head.biClrUsed-1); x>=0 ; x--){ + if (colorsUsed[x] == 0){ + iTransIdx = x; // this one is not in use. we may use it as transparent color + break; + } + } + + // Go thru image and set unused color as transparent index if needed + if (iTransIdx >= 0){ + bool bNeedTrans = false; + for (y = 0; y < head.biHeight; y++){ + for (x = 0; x < head.biWidth; x++){ + // AND mask (Each Byte represents 8 Pixels) + if (((mask[y*maskwdt+(x>>3)] >> (7-x%8)) & 0x01)){ + // AND mask is set (!=0). This is a transparent part + SetPixelIndex(x, y, (uint8_t)iTransIdx); + bNeedTrans = true; + } + } + } + // set transparent index if needed + if (bNeedTrans) SetTransIndex(iTransIdx); +#if CXIMAGE_SUPPORT_ALPHA + AlphaDelete(); //because we have a transparent color in the palette +#endif //CXIMAGE_SUPPORT_ALPHA + } + } + } else { + SetTransIndex(0); //empty mask, set black as transparent color + Negative(); + } + } + free(mask); + } + free(icon_list); + // icon has been loaded successfully! + return true; + } + free(icon_list); + } + return false; +} +//////////////////////////////////////////////////////////////////////////////// +#endif //CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +// Thanks to +bool CxImageICO::Encode(CxFile * hFile, CxImage ** pImages, int32_t nPageCount) +{ + cx_try + { + if (hFile==NULL) cx_throw("invalid file pointer"); + if (pImages==NULL || nPageCount<=0) cx_throw("multipage ICO, no images!"); + + int32_t i; + for (i=0; iIsValid())) + cx_throw("Empty image"); + } + + CxImageICO ghost; + for (i=0; i255)||(head.biHeight>255)){ + strcpy(info.szLastError,"Can't save this image as icon"); + return false; + } +#endif + + //prepare the palette struct + RGBQUAD* pal=GetPalette(); + if (head.biBitCount<=8 && pal==NULL) return false; + + int32_t maskwdt=((head.biWidth+31)/32)*4; //mask line width + int32_t masksize=head.biHeight * maskwdt; //size of mask + int32_t bitcount=head.biBitCount; + int32_t imagesize=head.biSizeImage; +#if CXIMAGE_SUPPORT_ALPHA + if (AlphaIsValid() && head.biClrUsed==0){ + bitcount=32; + imagesize=4*head.biHeight*head.biWidth; + } +#endif + + //fill the icon headers + int32_t nPages = nPageCount; + if (nPages<1) nPages = 1; + + ICONHEADER icon_header={0,1,nPages}; + + if (!bAppend) + m_dwImageOffset = sizeof(ICONHEADER) + nPages * sizeof(ICONDIRENTRY); + + uint32_t dwBytesInRes = sizeof(BITMAPINFOHEADER)+head.biClrUsed*sizeof(RGBQUAD)+imagesize+masksize; + + ICONDIRENTRY icon_list={ + (uint8_t)head.biWidth, + (uint8_t)head.biHeight, + (uint8_t)head.biClrUsed, + 0, 0, + (uint16_t)bitcount, + dwBytesInRes, + m_dwImageOffset + }; + + BITMAPINFOHEADER bi={ + sizeof(BITMAPINFOHEADER), + head.biWidth, + 2*head.biHeight, + 1, + (uint16_t)bitcount, + 0, imagesize, + 0, 0, 0, 0 + }; + +#if CXIMAGE_SUPPORT_PNG // Vista icon support + CxImage png(*this); + CxMemFile memfile; + if (head.biWidth>255 || head.biHeight>255){ + icon_list.bWidth = icon_list.bHeight = 0; + memfile.Open(); + png.Encode(&memfile,CXIMAGE_FORMAT_PNG); + icon_list.dwBytesInRes = dwBytesInRes = memfile.Size(); + } +#endif //CXIMAGE_SUPPORT_PNG + + if (!bAppend){ + icon_header.idType = m_ntohs(icon_header.idType); + icon_header.idCount = m_ntohs(icon_header.idCount); + hFile->Write(&icon_header,sizeof(ICONHEADER),1); //write the file header + icon_header.idType = m_ntohs(icon_header.idType); + icon_header.idCount = m_ntohs(icon_header.idCount); + } + + + if ((bAppend && nPageCount==info.nNumFrames) || (!bAppend && nPageCount==0)){ + icon_list.wPlanes = m_ntohs(icon_list.wPlanes); + icon_list.wBitCount = m_ntohs(icon_list.wBitCount); + icon_list.dwBytesInRes = m_ntohl(icon_list.dwBytesInRes); + icon_list.dwImageOffset = m_ntohl(icon_list.dwImageOffset); + hFile->Write(&icon_list,sizeof(ICONDIRENTRY),1); //write the image entry + icon_list.wPlanes = m_ntohs(icon_list.wPlanes); + icon_list.wBitCount = m_ntohs(icon_list.wBitCount); + icon_list.dwBytesInRes = m_ntohl(icon_list.dwBytesInRes); + icon_list.dwImageOffset = m_ntohl(icon_list.dwImageOffset); + + m_dwImageOffset += dwBytesInRes; //update offset for next header + } + + if ((bAppend && nPageCountWrite(memfile.GetBuffer(false),dwBytesInRes,1); + } else +#endif //CXIMAGE_SUPPORT_PNG + { // standard icon + bihtoh(&bi); + hFile->Write(&bi,sizeof(BITMAPINFOHEADER),1); //write the image header + bihtoh(&bi); + + bool bTransparent = info.nBkgndIndex >= 0; + RGBQUAD ct = GetTransColor(); + if (pal){ + if (bTransparent) SetPaletteColor((uint8_t)info.nBkgndIndex,0,0,0,0); + hFile->Write(pal,head.biClrUsed*sizeof(RGBQUAD),1); //write palette + if (bTransparent) SetPaletteColor((uint8_t)info.nBkgndIndex,ct); + } + +#if CXIMAGE_SUPPORT_ALPHA + if (AlphaIsValid() && head.biClrUsed==0){ + uint8_t* buf=(uint8_t*)malloc(imagesize); + uint8_t* dst = buf; + for (int32_t y = 0; y < head.biHeight; y++) { + uint8_t* src = GetBits(y); + for(int32_t x=0;xWrite(buf,imagesize, 1); + free(buf); + } else { + hFile->Write(info.pImage,imagesize,1); //write image + } +#else + hFile->Write(info.pImage,imagesize,1); //write image +#endif + + //save transparency mask + uint8_t* mask=(uint8_t*)calloc(masksize,1); //create empty AND/XOR masks + if (!mask) return false; + + //prepare the variables to build the mask + uint8_t* iDst; + int32_t pos,i; + RGBQUAD c={0,0,0,0}; + int32_t* pc = (int32_t*)&c; + int32_t* pct= (int32_t*)&ct; +#if CXIMAGE_SUPPORT_ALPHA + bool bAlphaPaletteIsValid = AlphaPaletteIsValid(); + bool bAlphaIsValid = AlphaIsValid(); +#endif + //build the mask + for (int32_t y = 0; y < head.biHeight; y++) { + for (int32_t x = 0; x < head.biWidth; x++) { + i=0; +#if CXIMAGE_SUPPORT_ALPHA + if (bAlphaIsValid && AlphaGet(x,y)==0) i=1; + if (bAlphaPaletteIsValid && BlindGetPixelColor(x,y).rgbReserved==0) i=1; +#endif + c=GetPixelColor(x,y,false); + if (bTransparent && *pc==*pct) i=1; + iDst = mask + y*maskwdt + (x>>3); + pos = 7-x%8; + *iDst &= ~(0x01<Write(mask,masksize,1); + free(mask); + } + } + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_ICO + diff --git a/smelt/glfw/CxImage/ximaico.h b/smelt/glfw/CxImage/ximaico.h new file mode 100644 index 0000000..8d81b02 --- /dev/null +++ b/smelt/glfw/CxImage/ximaico.h @@ -0,0 +1,58 @@ +/* + * File: ximaico.h + * Purpose: ICON Image Class Loader and Writer + */ +/* ========================================================== + * CxImageICO (c) 07/Aug/2001 Davide Pizzolato - www.xdp.it + * For conditions of distribution and use, see copyright notice in ximage.h + * ========================================================== + */ +#if !defined(__ximaICO_h) +#define __ximaICO_h + +#include "ximage.h" + +#if CXIMAGE_SUPPORT_ICO + +class CxImageICO: public CxImage +{ +typedef struct tagIconDirectoryEntry { + uint8_t bWidth; + uint8_t bHeight; + uint8_t bColorCount; + uint8_t bReserved; + uint16_t wPlanes; + uint16_t wBitCount; + uint32_t dwBytesInRes; + uint32_t dwImageOffset; +} ICONDIRENTRY; + +typedef struct tagIconDir { + uint16_t idReserved; + uint16_t idType; + uint16_t idCount; +} ICONHEADER; + +public: + CxImageICO(): CxImage(CXIMAGE_FORMAT_ICO) {m_dwImageOffset=0;} + +// bool Load(const TCHAR * imageFileName){ return CxImage::Load(imageFileName,CXIMAGE_FORMAT_ICO);} +// bool Save(const TCHAR * imageFileName){ return CxImage::Save(imageFileName,CXIMAGE_FORMAT_ICO);} + bool Decode(CxFile * hFile); + bool Decode(FILE *hFile) { CxIOFile file(hFile); return Decode(&file); } + +#if CXIMAGE_SUPPORT_ENCODE + bool Encode(CxFile * hFile, bool bAppend=false, int32_t nPageCount=0); + bool Encode(CxFile * hFile, CxImage ** pImages, int32_t nPageCount); + bool Encode(FILE *hFile, bool bAppend=false, int32_t nPageCount=0) + { CxIOFile file(hFile); return Encode(&file,bAppend,nPageCount); } + bool Encode(FILE *hFile, CxImage ** pImages, int32_t nPageCount) + { CxIOFile file(hFile); return Encode(&file, pImages, nPageCount); } +#endif // CXIMAGE_SUPPORT_ENCODE +protected: + uint32_t m_dwImageOffset; +}; + +#endif + +#endif diff --git a/smelt/glfw/CxImage/ximainfo.cpp b/smelt/glfw/CxImage/ximainfo.cpp new file mode 100644 index 0000000..582d9ed --- /dev/null +++ b/smelt/glfw/CxImage/ximainfo.cpp @@ -0,0 +1,958 @@ +// ximainfo.cpp : main attributes +/* 03/10/2004 v1.00 - Davide Pizzolato - www.xdp.it + * CxImage version 7.0.0 31/Dec/2010 + */ + +#include "ximage.h" + +#if defined(_LINUX) || defined(__APPLE__) + #define _tcsnicmp(a,b,c) strcasecmp(a,b) +#endif + +//////////////////////////////////////////////////////////////////////////////// +/** + * \return the color used for transparency, and/or for background color + */ +RGBQUAD CxImage::GetTransColor() +{ + if (head.biBitCount<24 && info.nBkgndIndex>=0) return GetPaletteColor((uint8_t)info.nBkgndIndex); + return info.nBkgndColor; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Gets the index used for transparency. Returns -1 for no transparancy. + */ +int32_t CxImage::GetTransIndex() const +{ + return info.nBkgndIndex; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Sets the index used for transparency with 1, 4 and 8 bpp images. Set to -1 to remove the effect. + */ +void CxImage::SetTransIndex(int32_t idx) +{ + if (idx<(int32_t)head.biClrUsed) + info.nBkgndIndex = idx; + else + info.nBkgndIndex = 0; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Sets the color used for transparency with 24 bpp images. + * You must call SetTransIndex(0) to enable the effect, SetTransIndex(-1) to disable it. + */ +void CxImage::SetTransColor(RGBQUAD rgb) +{ + rgb.rgbReserved=0; + info.nBkgndColor = rgb; +} +//////////////////////////////////////////////////////////////////////////////// +bool CxImage::IsTransparent() const +{ + return info.nBkgndIndex>=0; // +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Returns true if the image has 256 colors or less. + */ +bool CxImage::IsIndexed() const +{ + return head.biClrUsed!=0; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \return 1 = indexed, 2 = RGB, 4 = RGBA + */ +uint8_t CxImage::GetColorType() +{ + uint8_t b = (uint8_t)((head.biBitCount>8) ? 2 /*COLORTYPE_COLOR*/ : 1 /*COLORTYPE_PALETTE*/); +#if CXIMAGE_SUPPORT_ALPHA + if (AlphaIsValid()) b = 4 /*COLORTYPE_ALPHA*/; +#endif //CXIMAGE_SUPPORT_ALPHA + return b; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \return Resolution for TIFF, JPEG, PNG and BMP formats. + */ +int32_t CxImage::GetXDPI() const +{ + return info.xDPI; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \return Resolution for TIFF, JPEG, PNG and BMP formats. + */ +int32_t CxImage::GetYDPI() const +{ + return info.yDPI; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Set resolution for TIFF, JPEG, PNG and BMP formats. + */ +void CxImage::SetXDPI(int32_t dpi) +{ + if (dpi<=0) dpi = CXIMAGE_DEFAULT_DPI; + info.xDPI = dpi; + head.biXPelsPerMeter = (int32_t) floor(dpi * 10000.0 / 254.0 + 0.5); + if (pDib) ((BITMAPINFOHEADER*)pDib)->biXPelsPerMeter = head.biXPelsPerMeter; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Set resolution for TIFF, JPEG, PNG and BMP formats. + */ +void CxImage::SetYDPI(int32_t dpi) +{ + if (dpi<=0) dpi = CXIMAGE_DEFAULT_DPI; + info.yDPI = dpi; + head.biYPelsPerMeter = (int32_t) floor(dpi * 10000.0 / 254.0 + 0.5); + if (pDib) ((BITMAPINFOHEADER*)pDib)->biYPelsPerMeter = head.biYPelsPerMeter; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \sa SetFlags + */ +uint32_t CxImage::GetFlags() const +{ + return info.dwFlags; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Image flags, for future use + * \param flags + * - 0x??00000 = reserved for 16 bit, CMYK, multilayer + * - 0x00??0000 = blend modes + * - 0x0000???? = layer id or user flags + * + * \param bLockReservedFlags protects the "reserved" and "blend modes" flags + */ +void CxImage::SetFlags(uint32_t flags, bool bLockReservedFlags) +{ + if (bLockReservedFlags) info.dwFlags = flags & 0x0000ffff; + else info.dwFlags = flags; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \sa SetCodecOption + */ +uint32_t CxImage::GetCodecOption(uint32_t imagetype) +{ + imagetype = GetTypeIndexFromId(imagetype); + if (imagetype==0){ + imagetype = GetTypeIndexFromId(GetType()); + } + return info.dwCodecOpt[imagetype]; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Encode option for GIF, TIF, JPG, PNG and RAW + * - GIF : 0 = LZW (default), 1 = none, 2 = RLE. + * - TIF : 0 = automatic (default), or a valid compression code as defined in "tiff.h" (COMPRESSION_NONE = 1, COMPRESSION_CCITTRLE = 2, ...) + * - JPG : valid values stored in enum CODEC_OPTION ( ENCODE_BASELINE = 0x01, ENCODE_PROGRESSIVE = 0x10, ...) + * - PNG : combination of interlace option and compression option + * interlace option : 1 = interlace, 0 = no interlace + * compression option : 2 = no compression, 4 = best speed, 6 = best compression, 8 = default compression + * default is no interlace and default compression + * example : 5 = 1+4 = interlace + best speed + * - RAW : valid values stored in enum CODEC_OPTION ( DECODE_QUALITY_LIN = 0x00, DECODE_QUALITY_VNG = 0x01, ...) + * + * \return true if everything is ok + */ +bool CxImage::SetCodecOption(uint32_t opt, uint32_t imagetype) +{ + imagetype = GetTypeIndexFromId(imagetype); + if (imagetype==0){ + imagetype = GetTypeIndexFromId(GetType()); + } + info.dwCodecOpt[imagetype] = opt; + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \return internal hDib object.. + */ +void* CxImage::GetDIB() const +{ + return pDib; +} +//////////////////////////////////////////////////////////////////////////////// +uint32_t CxImage::GetHeight() const +{ + return head.biHeight; +} +//////////////////////////////////////////////////////////////////////////////// +uint32_t CxImage::GetWidth() const +{ + return head.biWidth; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \return uint32_t aligned width of the image. + */ +uint32_t CxImage::GetEffWidth() const +{ + return info.dwEffWidth; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \return 2, 16, 256; 0 for RGB images. + */ +uint32_t CxImage::GetNumColors() const +{ + return head.biClrUsed; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \return: 1, 4, 8, 24. + */ +uint16_t CxImage::GetBpp() const +{ + return head.biBitCount; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \return original image format + * \sa ENUM_CXIMAGE_FORMATS. + */ +uint32_t CxImage::GetType() const +{ + return info.dwType; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * change image format identifier + * \sa ENUM_CXIMAGE_FORMATS. + */ +bool CxImage::SetType(uint32_t type) +{ + switch (type){ +#if CXIMAGE_SUPPORT_BMP + case CXIMAGE_FORMAT_BMP: +#endif +#if CXIMAGE_SUPPORT_GIF + case CXIMAGE_FORMAT_GIF: +#endif +#if CXIMAGE_SUPPORT_JPG + case CXIMAGE_FORMAT_JPG: +#endif +#if CXIMAGE_SUPPORT_PNG + case CXIMAGE_FORMAT_PNG: +#endif +#if CXIMAGE_SUPPORT_MNG + case CXIMAGE_FORMAT_MNG: +#endif +#if CXIMAGE_SUPPORT_ICO + case CXIMAGE_FORMAT_ICO: +#endif +#if CXIMAGE_SUPPORT_TIF + case CXIMAGE_FORMAT_TIF: +#endif +#if CXIMAGE_SUPPORT_TGA + case CXIMAGE_FORMAT_TGA: +#endif +#if CXIMAGE_SUPPORT_PCX + case CXIMAGE_FORMAT_PCX: +#endif +#if CXIMAGE_SUPPORT_WBMP + case CXIMAGE_FORMAT_WBMP: +#endif +#if CXIMAGE_SUPPORT_WMF + case CXIMAGE_FORMAT_WMF: +#endif +#if CXIMAGE_SUPPORT_JBG + case CXIMAGE_FORMAT_JBG: +#endif +#if CXIMAGE_SUPPORT_JP2 + case CXIMAGE_FORMAT_JP2: +#endif +#if CXIMAGE_SUPPORT_JPC + case CXIMAGE_FORMAT_JPC: +#endif +#if CXIMAGE_SUPPORT_PGX + case CXIMAGE_FORMAT_PGX: +#endif +#if CXIMAGE_SUPPORT_PNM + case CXIMAGE_FORMAT_PNM: +#endif +#if CXIMAGE_SUPPORT_RAS + case CXIMAGE_FORMAT_RAS: +#endif +#if CXIMAGE_SUPPORT_SKA + case CXIMAGE_FORMAT_SKA: +#endif +#if CXIMAGE_SUPPORT_RAW + case CXIMAGE_FORMAT_RAW: +#endif +#if CXIMAGE_SUPPORT_PSD + case CXIMAGE_FORMAT_PSD: +#endif + info.dwType = type; + return true; + case CXIMAGE_FORMAT_UNKNOWN: + default: + info.dwType = CXIMAGE_FORMAT_UNKNOWN; + } + return false; +} +//////////////////////////////////////////////////////////////////////////////// +uint32_t CxImage::GetNumTypes() +{ + return CMAX_IMAGE_FORMATS-1; +} +//////////////////////////////////////////////////////////////////////////////// +uint32_t CxImage::GetTypeIdFromName(const TCHAR* ext) +{ +#if CXIMAGE_SUPPORT_BMP + if (_tcsnicmp(ext,_T("bmp"),3)==0 ) return CXIMAGE_FORMAT_BMP; +#endif +#if CXIMAGE_SUPPORT_JPG + if (_tcsnicmp(ext,_T("jpg"),3)==0 || + _tcsnicmp(ext,_T("jpe"),3)==0 || + _tcsnicmp(ext,_T("jfi"),3)==0 ) return CXIMAGE_FORMAT_JPG; +#endif +#if CXIMAGE_SUPPORT_GIF + if (_tcsnicmp(ext,_T("gif"),3)==0 ) return CXIMAGE_FORMAT_GIF; +#endif +#if CXIMAGE_SUPPORT_PNG + if (_tcsnicmp(ext,_T("png"),3)==0 ) return CXIMAGE_FORMAT_PNG; +#endif +#if CXIMAGE_SUPPORT_ICO + if (_tcsnicmp(ext,_T("ico"),3)==0 || + _tcsnicmp(ext,_T("cur"),3)==0 ) return CXIMAGE_FORMAT_ICO; +#endif +#if CXIMAGE_SUPPORT_TIF + if (_tcsnicmp(ext,_T("tif"),3)==0 ) return CXIMAGE_FORMAT_TIF; +#endif +#if CXIMAGE_SUPPORT_TGA + if (_tcsnicmp(ext,_T("tga"),3)==0 ) return CXIMAGE_FORMAT_TGA; +#endif +#if CXIMAGE_SUPPORT_PCX + if (_tcsnicmp(ext,_T("pcx"),3)==0 ) return CXIMAGE_FORMAT_PCX; +#endif +#if CXIMAGE_SUPPORT_WBMP + if (_tcsnicmp(ext,_T("wbm"),3)==0 ) return CXIMAGE_FORMAT_WBMP; +#endif +#if CXIMAGE_SUPPORT_WMF + if (_tcsnicmp(ext,_T("wmf"),3)==0 || + _tcsnicmp(ext,_T("emf"),3)==0 ) return CXIMAGE_FORMAT_WMF; +#endif +#if CXIMAGE_SUPPORT_JP2 + if (_tcsnicmp(ext,_T("jp2"),3)==0 || + _tcsnicmp(ext,_T("j2k"),3)==0 ) return CXIMAGE_FORMAT_JP2; +#endif +#if CXIMAGE_SUPPORT_JPC + if (_tcsnicmp(ext,_T("jpc"),3)==0 || + _tcsnicmp(ext,_T("j2c"),3)==0 ) return CXIMAGE_FORMAT_JPC; +#endif +#if CXIMAGE_SUPPORT_PGX + if (_tcsnicmp(ext,_T("pgx"),3)==0 ) return CXIMAGE_FORMAT_PGX; +#endif +#if CXIMAGE_SUPPORT_RAS + if (_tcsnicmp(ext,_T("ras"),3)==0 ) return CXIMAGE_FORMAT_RAS; +#endif +#if CXIMAGE_SUPPORT_PNM + if (_tcsnicmp(ext,_T("pnm"),3)==0 || + _tcsnicmp(ext,_T("pgm"),3)==0 || + _tcsnicmp(ext,_T("ppm"),3)==0 ) return CXIMAGE_FORMAT_PNM; +#endif +#if CXIMAGE_SUPPORT_JBG + if (_tcsnicmp(ext,_T("jbg"),3)==0 ) return CXIMAGE_FORMAT_JBG; +#endif +#if CXIMAGE_SUPPORT_MNG + if (_tcsnicmp(ext,_T("mng"),3)==0 || + _tcsnicmp(ext,_T("jng"),3)==0 ) return CXIMAGE_FORMAT_MNG; +#endif +#if CXIMAGE_SUPPORT_SKA + if (_tcsnicmp(ext,_T("ska"),3)==0 ) return CXIMAGE_FORMAT_SKA; +#endif +#if CXIMAGE_SUPPORT_PSD + if (_tcsnicmp(ext,_T("psd"),3)==0 ) return CXIMAGE_FORMAT_PSD; +#endif +#if CXIMAGE_SUPPORT_RAW + if (_tcsnicmp(ext,_T("nef"),3)==0 || + _tcsnicmp(ext,_T("crw"),3)==0 || + _tcsnicmp(ext,_T("cr2"),3)==0 || + _tcsnicmp(ext,_T("dng"),3)==0 || + _tcsnicmp(ext,_T("arw"),3)==0 || + _tcsnicmp(ext,_T("erf"),3)==0 || + _tcsnicmp(ext,_T("3fr"),3)==0 || + _tcsnicmp(ext,_T("dcr"),3)==0 || + _tcsnicmp(ext,_T("raw"),3)==0 || + _tcsnicmp(ext,_T("x3f"),3)==0 || + _tcsnicmp(ext,_T("mef"),3)==0 || + _tcsnicmp(ext,_T("raf"),3)==0 || + _tcsnicmp(ext,_T("mrw"),3)==0 || + _tcsnicmp(ext,_T("pef"),3)==0 || + _tcsnicmp(ext,_T("sr2"),3)==0 || + _tcsnicmp(ext,_T("orf"),3)==0 ) return CXIMAGE_FORMAT_RAW; +#endif + + return CXIMAGE_FORMAT_UNKNOWN; +} +//////////////////////////////////////////////////////////////////////////////// +uint32_t CxImage::GetTypeIdFromIndex(const uint32_t index) +{ + uint32_t n; + + n=0; if (index == n) return CXIMAGE_FORMAT_UNKNOWN; +#if CXIMAGE_SUPPORT_BMP + n++; if (index == n) return CXIMAGE_FORMAT_BMP; +#endif +#if CXIMAGE_SUPPORT_GIF + n++; if (index == n) return CXIMAGE_FORMAT_GIF; +#endif +#if CXIMAGE_SUPPORT_JPG + n++; if (index == n) return CXIMAGE_FORMAT_JPG; +#endif +#if CXIMAGE_SUPPORT_PNG + n++; if (index == n) return CXIMAGE_FORMAT_PNG; +#endif +#if CXIMAGE_SUPPORT_ICO + n++; if (index == n) return CXIMAGE_FORMAT_ICO; +#endif +#if CXIMAGE_SUPPORT_TIF + n++; if (index == n) return CXIMAGE_FORMAT_TIF; +#endif +#if CXIMAGE_SUPPORT_TGA + n++; if (index == n) return CXIMAGE_FORMAT_TGA; +#endif +#if CXIMAGE_SUPPORT_PCX + n++; if (index == n) return CXIMAGE_FORMAT_PCX; +#endif +#if CXIMAGE_SUPPORT_WBMP + n++; if (index == n) return CXIMAGE_FORMAT_WBMP; +#endif +#if CXIMAGE_SUPPORT_WMF + n++; if (index == n) return CXIMAGE_FORMAT_WMF; +#endif +#if CXIMAGE_SUPPORT_JP2 + n++; if (index == n) return CXIMAGE_FORMAT_JP2; +#endif +#if CXIMAGE_SUPPORT_JPC + n++; if (index == n) return CXIMAGE_FORMAT_JPC; +#endif +#if CXIMAGE_SUPPORT_PGX + n++; if (index == n) return CXIMAGE_FORMAT_PGX; +#endif +#if CXIMAGE_SUPPORT_PNM + n++; if (index == n) return CXIMAGE_FORMAT_PNM; +#endif +#if CXIMAGE_SUPPORT_RAS + n++; if (index == n) return CXIMAGE_FORMAT_RAS; +#endif +#if CXIMAGE_SUPPORT_JBG + n++; if (index == n) return CXIMAGE_FORMAT_JBG; +#endif +#if CXIMAGE_SUPPORT_MNG + n++; if (index == n) return CXIMAGE_FORMAT_MNG; +#endif +#if CXIMAGE_SUPPORT_SKA + n++; if (index == n) return CXIMAGE_FORMAT_SKA; +#endif +#if CXIMAGE_SUPPORT_RAW + n++; if (index == n) return CXIMAGE_FORMAT_RAW; +#endif +#if CXIMAGE_SUPPORT_PSD + n++; if (index == n) return CXIMAGE_FORMAT_PSD; +#endif + + return CXIMAGE_FORMAT_UNKNOWN; +} +//////////////////////////////////////////////////////////////////////////////// +uint32_t CxImage::GetTypeIndexFromId(const uint32_t id) +{ + uint32_t n; + + n=0; if (id == CXIMAGE_FORMAT_UNKNOWN) return n; +#if CXIMAGE_SUPPORT_BMP + n++; if (id == CXIMAGE_FORMAT_BMP) return n; +#endif +#if CXIMAGE_SUPPORT_GIF + n++; if (id == CXIMAGE_FORMAT_GIF) return n; +#endif +#if CXIMAGE_SUPPORT_JPG + n++; if (id == CXIMAGE_FORMAT_JPG) return n; +#endif +#if CXIMAGE_SUPPORT_PNG + n++; if (id == CXIMAGE_FORMAT_PNG) return n; +#endif +#if CXIMAGE_SUPPORT_ICO + n++; if (id == CXIMAGE_FORMAT_ICO) return n; +#endif +#if CXIMAGE_SUPPORT_TIF + n++; if (id == CXIMAGE_FORMAT_TIF) return n; +#endif +#if CXIMAGE_SUPPORT_TGA + n++; if (id == CXIMAGE_FORMAT_TGA) return n; +#endif +#if CXIMAGE_SUPPORT_PCX + n++; if (id == CXIMAGE_FORMAT_PCX) return n; +#endif +#if CXIMAGE_SUPPORT_WBMP + n++; if (id == CXIMAGE_FORMAT_WBMP) return n; +#endif +#if CXIMAGE_SUPPORT_WMF + n++; if (id == CXIMAGE_FORMAT_WMF) return n; +#endif +#if CXIMAGE_SUPPORT_JP2 + n++; if (id == CXIMAGE_FORMAT_JP2) return n; +#endif +#if CXIMAGE_SUPPORT_JPC + n++; if (id == CXIMAGE_FORMAT_JPC) return n; +#endif +#if CXIMAGE_SUPPORT_PGX + n++; if (id == CXIMAGE_FORMAT_PGX) return n; +#endif +#if CXIMAGE_SUPPORT_PNM + n++; if (id == CXIMAGE_FORMAT_PNM) return n; +#endif +#if CXIMAGE_SUPPORT_RAS + n++; if (id == CXIMAGE_FORMAT_RAS) return n; +#endif +#if CXIMAGE_SUPPORT_JBG + n++; if (id == CXIMAGE_FORMAT_JBG) return n; +#endif +#if CXIMAGE_SUPPORT_MNG + n++; if (id == CXIMAGE_FORMAT_MNG) return n; +#endif +#if CXIMAGE_SUPPORT_SKA + n++; if (id == CXIMAGE_FORMAT_SKA) return n; +#endif +#if CXIMAGE_SUPPORT_RAW + n++; if (id == CXIMAGE_FORMAT_RAW) return n; +#endif +#if CXIMAGE_SUPPORT_PSD + n++; if (id == CXIMAGE_FORMAT_PSD) return n; +#endif + + return 0; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \return current frame delay in milliseconds. Only for GIF and MNG formats. + */ +uint32_t CxImage::GetFrameDelay() const +{ + return info.dwFrameDelay; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Sets current frame delay. Only for GIF format. + * \param d = delay in milliseconds + */ +void CxImage::SetFrameDelay(uint32_t d) +{ + info.dwFrameDelay=d; +} +//////////////////////////////////////////////////////////////////////////////// +void CxImage::GetOffset(int32_t *x,int32_t *y) +{ + *x=info.xOffset; + *y=info.yOffset; +} +//////////////////////////////////////////////////////////////////////////////// +void CxImage::SetOffset(int32_t x,int32_t y) +{ + info.xOffset=x; + info.yOffset=y; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \sa SetJpegQuality, GetJpegQualityF + * \author [DP]; changes [Stefan Schürmans] + */ +uint8_t CxImage::GetJpegQuality() const +{ + return (uint8_t)(info.fQuality + 0.5f); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \sa SetJpegQuality, GetJpegQuality + * \author [Stefan Schürmans] + */ +float CxImage::GetJpegQualityF() const +{ + return info.fQuality; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * quality level for JPEG and JPEG2000 + * \param q: can be from 0 to 100 + * \author [DP]; changes [Stefan Schürmans] + */ +void CxImage::SetJpegQuality(uint8_t q){ + info.fQuality = (float)q; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * quality level for JPEG and JPEG2000 + * necessary for JPEG2000 when quality is between 0.0 and 1.0 + * \param q: can be from 0.0 to 100.0 + * \author [Stefan Schürmans] + */ +void CxImage::SetJpegQualityF(float q){ + if (q>0) info.fQuality = q; + else info.fQuality = 0.0f; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \sa SetJpegScale + */ +uint8_t CxImage::GetJpegScale() const +{ + return info.nJpegScale; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * scaling down during JPEG decoding valid numbers are 1, 2, 4, 8 + * \author [ignacio] + */ +void CxImage::SetJpegScale(uint8_t q){ + info.nJpegScale = q; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Used to monitor the slow loops. + * \return value is from 0 to 100. + * \sa SetProgress + */ +int32_t CxImage::GetProgress() const +{ + return info.nProgress; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \return the escape code. + * \sa SetEscape + */ +int32_t CxImage::GetEscape() const +{ + return info.nEscape; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Forces the value of the internal progress variable. + * \param p should be from 0 to 100. + * \sa GetProgress + */ +void CxImage::SetProgress(int32_t p) +{ + info.nProgress = p; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Used to quit the slow loops or the codecs. + * - SetEscape(-1) before Decode forces the function to exit, right after + * the image width and height are available ( for bmp, jpg, gif, tif ) + */ +void CxImage::SetEscape(int32_t i) +{ + info.nEscape = i; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Checks if the image is correctly initializated. + */ +bool CxImage::IsValid() const +{ + return pDib!=0; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * True if the image is enabled for painting. + */ +bool CxImage::IsEnabled() const +{ + return info.bEnabled; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Enables/disables the image. + */ +void CxImage::Enable(bool enable) +{ + info.bEnabled=enable; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * This function must be used after a Decode() / Load() call. + * Use the sequence SetFrame(-1); Load(...); GetNumFrames(); + * to get the number of images without loading the first image. + * \return the number of images in the file. + */ +int32_t CxImage::GetNumFrames() const +{ + return info.nNumFrames; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \return the current selected image (zero-based index). + */ +int32_t CxImage::GetFrame() const +{ + return info.nFrame; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Sets the image number that the next Decode() / Load() call will load + */ +void CxImage::SetFrame(int32_t nFrame){ + info.nFrame=nFrame; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Sets the method for drawing the frame related to others + * \sa GetDisposalMethod + */ +void CxImage::SetDisposalMethod(uint8_t dm) +{ info.dispmeth=dm; } +//////////////////////////////////////////////////////////////////////////////// +/** + * Gets the method for drawing the frame related to others + * Values : 0 - No disposal specified. The decoder is + * not required to take any action. + * 1 - Do not dispose. The graphic is to be left + * in place. + * 2 - Restore to background color. The area used by the + * graphic must be restored to the background color. + * 3 - Restore to previous. The decoder is required to + * restore the area overwritten by the graphic with + * what was there prior to rendering the graphic. + * 4-7 - To be defined. + */ +uint8_t CxImage::GetDisposalMethod() const +{ return info.dispmeth; } +//////////////////////////////////////////////////////////////////////////////// +bool CxImage::GetRetreiveAllFrames() const +{ return info.bGetAllFrames; } +//////////////////////////////////////////////////////////////////////////////// +void CxImage::SetRetreiveAllFrames(bool flag) +{ info.bGetAllFrames = flag; } +//////////////////////////////////////////////////////////////////////////////// +CxImage * CxImage::GetFrame(int32_t nFrame) const +{ + if ( ppFrames == NULL) return NULL; + if ( info.nNumFrames == 0) return NULL; + if ( nFrame >= info.nNumFrames ) return NULL; + if ( nFrame < 0) nFrame = info.nNumFrames - 1; + return ppFrames[nFrame]; +} +//////////////////////////////////////////////////////////////////////////////// +int16_t CxImage::m_ntohs(const int16_t word) +{ + if (info.bLittleEndianHost) return word; + return ( (word & 0xff) << 8 ) | ( (word >> 8) & 0xff ); +} +//////////////////////////////////////////////////////////////////////////////// +int32_t CxImage::m_ntohl(const int32_t dword) +{ + if (info.bLittleEndianHost) return dword; + return ((dword & 0xff) << 24 ) | ((dword & 0xff00) << 8 ) | + ((dword >> 8) & 0xff00) | ((dword >> 24) & 0xff); +} +//////////////////////////////////////////////////////////////////////////////// +void CxImage::bihtoh(BITMAPINFOHEADER* bih) +{ + bih->biSize = m_ntohl(bih->biSize); + bih->biWidth = m_ntohl(bih->biWidth); + bih->biHeight = m_ntohl(bih->biHeight); + bih->biPlanes = m_ntohs(bih->biPlanes); + bih->biBitCount = m_ntohs(bih->biBitCount); + bih->biCompression = m_ntohl(bih->biCompression); + bih->biSizeImage = m_ntohl(bih->biSizeImage); + bih->biXPelsPerMeter = m_ntohl(bih->biXPelsPerMeter); + bih->biYPelsPerMeter = m_ntohl(bih->biYPelsPerMeter); + bih->biClrUsed = m_ntohl(bih->biClrUsed); + bih->biClrImportant = m_ntohl(bih->biClrImportant); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Returns the last reported error. + */ +const char* CxImage::GetLastError() +{ + return info.szLastError; +} +//////////////////////////////////////////////////////////////////////////////// +uint32_t CxImage::DumpSize() +{ + uint32_t n; + n = sizeof(BITMAPINFOHEADER) + sizeof(CXIMAGEINFO) + GetSize(); + +#if CXIMAGE_SUPPORT_ALPHA + if (pAlpha){ + n += 1 + head.biWidth * head.biHeight; + } else n++; +#endif + +#if CXIMAGE_SUPPORT_SELECTION + if (pSelection){ + n += 1 + head.biWidth * head.biHeight; + } else n++; +#endif + +#if CXIMAGE_SUPPORT_LAYERS + if (ppLayers){ + for (int32_t m=0; mDumpSize(); + } + } + } else n++; +#endif + + if (ppFrames){ + for (int32_t m=0; mDumpSize(); + } + } + } else n++; + + return n; +} +//////////////////////////////////////////////////////////////////////////////// +uint32_t CxImage::Dump(uint8_t * dst) +{ + if (!dst) return 0; + + memcpy(dst,&head,sizeof(BITMAPINFOHEADER)); + dst += sizeof(BITMAPINFOHEADER); + + memcpy(dst,&info,sizeof(CXIMAGEINFO)); + dst += sizeof(CXIMAGEINFO); + + memcpy(dst,pDib,GetSize()); + dst += GetSize(); + +#if CXIMAGE_SUPPORT_ALPHA + if (pAlpha){ + memset(dst++, 1, 1); + memcpy(dst,pAlpha,head.biWidth * head.biHeight); + dst += head.biWidth * head.biHeight; + } else { + memset(dst++, 0, 1); + } +#endif + +#if CXIMAGE_SUPPORT_SELECTION + if (pSelection){ + memset(dst++, 1, 1); + memcpy(dst,pSelection,head.biWidth * head.biHeight); + dst += head.biWidth * head.biHeight; + } else { + memset(dst++, 0, 1); + } +#endif + +#if CXIMAGE_SUPPORT_LAYERS + if (ppLayers){ + memset(dst++, 1, 1); + for (int32_t m=0; mDump(dst); + } + } + } else { + memset(dst++, 0, 1); + } +#endif + + if (ppFrames){ + memset(dst++, 1, 1); + for (int32_t m=0; mDump(dst); + } + } + } else { + memset(dst++, 0, 1); + } + + return DumpSize(); +} +//////////////////////////////////////////////////////////////////////////////// +uint32_t CxImage::UnDump(const uint8_t * src) +{ + if (!src) + return 0; + if (!Destroy()) + return 0; + if (!DestroyFrames()) + return 0; + + uint32_t n = 0; + + memcpy(&head,src,sizeof(BITMAPINFOHEADER)); + n += sizeof(BITMAPINFOHEADER); + + memcpy(&info,&src[n],sizeof(CXIMAGEINFO)); + n += sizeof(CXIMAGEINFO); + + if (!Create(head.biWidth, head.biHeight, head.biBitCount, info.dwType)) + return 0; + + memcpy(pDib,&src[n],GetSize()); + n += GetSize(); + +#if CXIMAGE_SUPPORT_ALPHA + if (src[n++]){ + if (AlphaCreate()){ + memcpy(pAlpha, &src[n], head.biWidth * head.biHeight); + } + n += head.biWidth * head.biHeight; + } +#endif + +#if CXIMAGE_SUPPORT_SELECTION + if (src[n++]){ + RECT box = info.rSelectionBox; + if (SelectionCreate()){ + info.rSelectionBox = box; + memcpy(pSelection, &src[n], head.biWidth * head.biHeight); + } + n += head.biWidth * head.biHeight; + } +#endif + +#if CXIMAGE_SUPPORT_LAYERS + if (src[n++]){ + ppLayers = new CxImage*[info.nNumLayers]; + for (int32_t m=0; mUnDump(&src[n]); + } + } +#endif + + if (src[n++]){ + ppFrames = new CxImage*[info.nNumFrames]; + for (int32_t m=0; mUnDump(&src[n]); + } + } + + return n; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \return A.BBCCCDDDD + * - A = main version + * - BB = main revision + * - CCC = minor revision (letter) + * - DDDD = experimental revision + */ +const float CxImage::GetVersionNumber() +{ + return 7.000000000f; +} +//////////////////////////////////////////////////////////////////////////////// +const TCHAR* CxImage::GetVersion() +{ + static const TCHAR CxImageVersion[] = _T("CxImage 7.0.0"); + return (CxImageVersion); +} +//////////////////////////////////////////////////////////////////////////////// diff --git a/smelt/glfw/CxImage/ximaint.cpp b/smelt/glfw/CxImage/ximaint.cpp new file mode 100644 index 0000000..5f93038 --- /dev/null +++ b/smelt/glfw/CxImage/ximaint.cpp @@ -0,0 +1,1046 @@ +// xImaInt.cpp : interpolation functions +/* 02/2004 - Branko Brevensek + * CxImage version 7.0.0 31/Dec/2010 - Davide Pizzolato - www.xdp.it + */ + +#include "ximage.h" +#include "ximath.h" + +#if CXIMAGE_SUPPORT_INTERPOLATION + +//////////////////////////////////////////////////////////////////////////////// +/** + * Recalculates coordinates according to specified overflow method. + * If pixel (x,y) lies within image, nothing changes. + * + * \param x, y - coordinates of pixel + * \param ofMethod - overflow method + * + * \return x, y - new coordinates (pixel (x,y) now lies inside image) + * + * \author ***bd*** 2.2004 + */ +void CxImage::OverflowCoordinates(int32_t &x, int32_t &y, OverflowMethod const ofMethod) +{ + if (IsInside(x,y)) return; //if pixel is within bounds, no change + switch (ofMethod) { + case OM_REPEAT: + //clip coordinates + x=max(x,0); x=min(x, head.biWidth-1); + y=max(y,0); y=min(y, head.biHeight-1); + break; + case OM_WRAP: + //wrap coordinates + x = x % head.biWidth; + y = y % head.biHeight; + if (x<0) x = head.biWidth + x; + if (y<0) y = head.biHeight + y; + break; + case OM_MIRROR: + //mirror pixels near border + if (x<0) x=((-x) % head.biWidth); + else if (x>=head.biWidth) x=head.biWidth-(x % head.biWidth + 1); + if (y<0) y=((-y) % head.biHeight); + else if (y>=head.biHeight) y=head.biHeight-(y % head.biHeight + 1); + break; + default: + return; + }//switch +} + +//////////////////////////////////////////////////////////////////////////////// +/** + * See OverflowCoordinates for integer version + * \author ***bd*** 2.2004 + */ +void CxImage::OverflowCoordinates(float &x, float &y, OverflowMethod const ofMethod) +{ + if (x>=0 && x=0 && y=head.biWidth) x=head.biWidth-((float)fmod(x, (float) head.biWidth) + 1); + if (y<0) y=(float)fmod(-y, (float) head.biHeight); + else if (y>=head.biHeight) y=head.biHeight-((float)fmod(y, (float) head.biHeight) + 1); + break; + default: + return; + }//switch +} + +//////////////////////////////////////////////////////////////////////////////// +/** + * Method return pixel color. Different methods are implemented for out of bounds pixels. + * If an image has alpha channel, alpha value is returned in .RGBReserved. + * + * \param x,y : pixel coordinates + * \param ofMethod : out-of-bounds method: + * - OF_WRAP - wrap over to pixels on other side of the image + * - OF_REPEAT - repeat last pixel on the edge + * - OF_COLOR - return input value of color + * - OF_BACKGROUND - return background color (if not set, return input color) + * - OF_TRANSPARENT - return transparent pixel + * + * \param rplColor : input color (returned for out-of-bound coordinates in OF_COLOR mode and if other mode is not applicable) + * + * \return color : color of pixel + * \author ***bd*** 2.2004 + */ +RGBQUAD CxImage::GetPixelColorWithOverflow(int32_t x, int32_t y, OverflowMethod const ofMethod, RGBQUAD* const rplColor) +{ + RGBQUAD color; //color to return + if ((!IsInside(x,y)) || pDib==NULL) { //is pixel within bouns?: + //pixel is out of bounds or no DIB + if (rplColor!=NULL) + color=*rplColor; + else { + color.rgbRed=color.rgbGreen=color.rgbBlue=255; color.rgbReserved=0; //default replacement colour: white transparent + }//if + if (pDib==NULL) return color; + //pixel is out of bounds: + switch (ofMethod) { + case OM_TRANSPARENT: +#if CXIMAGE_SUPPORT_ALPHA + if (AlphaIsValid()) { + //alpha transparency is supported and image has alpha layer + color.rgbReserved=0; + } else { +#endif //CXIMAGE_SUPPORT_ALPHA + //no alpha transparency + if (GetTransIndex()>=0) { + color=GetTransColor(); //single color transparency enabled (return transparent color) + }//if +#if CXIMAGE_SUPPORT_ALPHA + }//if +#endif //CXIMAGE_SUPPORT_ALPHA + return color; + case OM_BACKGROUND: + //return background color (if it exists, otherwise input value) + if (info.nBkgndIndex >= 0) { + if (head.biBitCount<24) color = GetPaletteColor((uint8_t)info.nBkgndIndex); + else color = info.nBkgndColor; + }//if + return color; + case OM_REPEAT: + case OM_WRAP: + case OM_MIRROR: + OverflowCoordinates(x,y,ofMethod); + break; + default: + //simply return replacement color (OM_COLOR and others) + return color; + }//switch + }//if + //just return specified pixel (it's within bounds) + return BlindGetPixelColor(x,y); +} + +//////////////////////////////////////////////////////////////////////////////// +/** + * This method reconstructs image according to chosen interpolation method and then returns pixel (x,y). + * (x,y) can lie between actual image pixels. If (x,y) lies outside of image, method returns value + * according to overflow method. + * This method is very useful for geometrical image transformations, where destination pixel + * can often assume color value lying between source pixels. + * + * \param (x,y) - coordinates of pixel to return + * GPCI method recreates "analogue" image back from digital data, so x and y + * are float values and color value of point (1.1,1) will generally not be same + * as (1,1). Center of first pixel is at (0,0) and center of pixel right to it is (1,0). + * (0.5,0) is half way between these two pixels. + * \param inMethod - interpolation (reconstruction) method (kernel) to use: + * - IM_NEAREST_NEIGHBOUR - returns colour of nearest lying pixel (causes stairy look of + * processed images) + * - IM_BILINEAR - interpolates colour from four neighbouring pixels (softens image a bit) + * - IM_BICUBIC - interpolates from 16 neighbouring pixels (can produce "halo" artifacts) + * - IM_BICUBIC2 - interpolates from 16 neighbouring pixels (perhaps a bit less halo artifacts + than IM_BICUBIC) + * - IM_BSPLINE - interpolates from 16 neighbouring pixels (softens image, washes colours) + * (As far as I know, image should be prefiltered for this method to give + * good results... some other time :) ) + * This method uses bicubic interpolation kernel from CXImage 5.99a and older + * versions. + * - IM_LANCZOS - interpolates from 12*12 pixels (slow, ringing artifacts) + * + * \param ofMethod - overflow method (see comments at GetPixelColorWithOverflow) + * \param rplColor - pointer to color used for out of borders pixels in OM_COLOR mode + * (and other modes if colour can't calculated in a specified way) + * + * \return interpolated color value (including interpolated alpha value, if image has alpha layer) + * + * \author ***bd*** 2.2004 + */ +RGBQUAD CxImage::GetPixelColorInterpolated( + float x,float y, + InterpolationMethod const inMethod, + OverflowMethod const ofMethod, + RGBQUAD* const rplColor) +{ + //calculate nearest pixel + int32_t xi=(int32_t)(x); if (x<0) xi--; //these replace (incredibly slow) floor (Visual c++ 2003, AMD Athlon) + int32_t yi=(int32_t)(y); if (y<0) yi--; + RGBQUAD color; //calculated colour + + switch (inMethod) { + case IM_NEAREST_NEIGHBOUR: + return GetPixelColorWithOverflow((int32_t)(x+0.5f), (int32_t)(y+0.5f), ofMethod, rplColor); + default: { + //IM_BILINEAR: bilinear interpolation + if (xi<-1 || xi>=head.biWidth || yi<-1 || yi>=head.biHeight) { //all 4 points are outside bounds?: + switch (ofMethod) { + case OM_COLOR: case OM_TRANSPARENT: case OM_BACKGROUND: + //we don't need to interpolate anything with all points outside in this case + return GetPixelColorWithOverflow(-999, -999, ofMethod, rplColor); + default: + //recalculate coordinates and use faster method later on + OverflowCoordinates(x,y,ofMethod); + xi=(int32_t)(x); if (x<0) xi--; //x and/or y have changed ... recalculate xi and yi + yi=(int32_t)(y); if (y<0) yi--; + }//switch + }//if + //get four neighbouring pixels + if ((xi+1)=0 && (yi+1)=0 && head.biClrUsed==0) { + //all pixels are inside RGB24 image... optimize reading (and use fixed point arithmetic) + uint16_t wt1=(uint16_t)((x-xi)*256.0f), wt2=(uint16_t)((y-yi)*256.0f); + uint16_t wd=wt1*wt2>>8; + uint16_t wb=wt1-wd; + uint16_t wc=wt2-wd; + uint16_t wa=256-wt1-wc; + uint16_t wrr,wgg,wbb; + uint8_t *pxptr=(uint8_t*)info.pImage+yi*info.dwEffWidth+xi*3; + wbb=wa*(*pxptr++); wgg=wa*(*pxptr++); wrr=wa*(*pxptr++); + wbb+=wb*(*pxptr++); wgg+=wb*(*pxptr++); wrr+=wb*(*pxptr); + pxptr+=(info.dwEffWidth-5); //move to next row + wbb+=wc*(*pxptr++); wgg+=wc*(*pxptr++); wrr+=wc*(*pxptr++); + wbb+=wd*(*pxptr++); wgg+=wd*(*pxptr++); wrr+=wd*(*pxptr); + color.rgbRed=(uint8_t) (wrr>>8); color.rgbGreen=(uint8_t) (wgg>>8); color.rgbBlue=(uint8_t) (wbb>>8); +#if CXIMAGE_SUPPORT_ALPHA + if (pAlpha) { + uint16_t waa; + //image has alpha layer... we have to do the same for alpha data + pxptr=AlphaGetPointer(xi,yi); //pointer to first byte + waa=wa*(*pxptr++); waa+=wb*(*pxptr); //first two pixels + pxptr+=(head.biWidth-1); //move to next row + waa+=wc*(*pxptr++); waa+=wd*(*pxptr); //and second row pixels + color.rgbReserved=(uint8_t) (waa>>8); + } else +#endif + { //Alpha not supported or no alpha at all + color.rgbReserved = 0; + } + return color; + } else { + //default (slower) way to get pixels (not RGB24 or some pixels out of borders) + float t1=x-xi, t2=y-yi; + float d=t1*t2; + float b=t1-d; + float c=t2-d; + float a=1-t1-c; + RGBQUAD rgb11,rgb21,rgb12,rgb22; + rgb11=GetPixelColorWithOverflow(xi, yi, ofMethod, rplColor); + rgb21=GetPixelColorWithOverflow(xi+1, yi, ofMethod, rplColor); + rgb12=GetPixelColorWithOverflow(xi, yi+1, ofMethod, rplColor); + rgb22=GetPixelColorWithOverflow(xi+1, yi+1, ofMethod, rplColor); + //calculate linear interpolation + color.rgbRed=(uint8_t) (a*rgb11.rgbRed+b*rgb21.rgbRed+c*rgb12.rgbRed+d*rgb22.rgbRed); + color.rgbGreen=(uint8_t) (a*rgb11.rgbGreen+b*rgb21.rgbGreen+c*rgb12.rgbGreen+d*rgb22.rgbGreen); + color.rgbBlue=(uint8_t) (a*rgb11.rgbBlue+b*rgb21.rgbBlue+c*rgb12.rgbBlue+d*rgb22.rgbBlue); +#if CXIMAGE_SUPPORT_ALPHA + color.rgbReserved=(uint8_t) (a*rgb11.rgbReserved+b*rgb21.rgbReserved+c*rgb12.rgbReserved+d*rgb22.rgbReserved); +#else + color.rgbReserved = 0; +#endif + return color; + }//if + }//default + case IM_BICUBIC: + case IM_BICUBIC2: + case IM_BSPLINE: + case IM_BOX: + case IM_HERMITE: + case IM_HAMMING: + case IM_SINC: + case IM_BLACKMAN: + case IM_BESSEL: + case IM_GAUSSIAN: + case IM_QUADRATIC: + case IM_MITCHELL: + case IM_CATROM: + case IM_HANNING: + case IM_POWER: + //bicubic interpolation(s) + if (((xi+2)<0) || ((xi-1)>=head.biWidth) || ((yi+2)<0) || ((yi-1)>=head.biHeight)) { //all points are outside bounds?: + switch (ofMethod) { + case OM_COLOR: case OM_TRANSPARENT: case OM_BACKGROUND: + //we don't need to interpolate anything with all points outside in this case + return GetPixelColorWithOverflow(-999, -999, ofMethod, rplColor); + break; + default: + //recalculate coordinates and use faster method later on + OverflowCoordinates(x,y,ofMethod); + xi=(int32_t)(x); if (x<0) xi--; //x and/or y have changed ... recalculate xi and yi + yi=(int32_t)(y); if (y<0) yi--; + }//switch + }//if + + //some variables needed from here on + int32_t xii,yii; //x any y integer indexes for loops + float kernel, kernelyc; //kernel cache + float kernelx[12], kernely[4]; //precalculated kernel values + float rr,gg,bb,aa; //accumulated color values + //calculate multiplication factors for all pixels + int32_t i; + switch (inMethod) { + case IM_BICUBIC: + for (i=0; i<4; i++) { + kernelx[i]=KernelCubic((float)(xi+i-1-x)); + kernely[i]=KernelCubic((float)(yi+i-1-y)); + }//for i + break; + case IM_BICUBIC2: + for (i=0; i<4; i++) { + kernelx[i]=KernelGeneralizedCubic((float)(xi+i-1-x), -0.5); + kernely[i]=KernelGeneralizedCubic((float)(yi+i-1-y), -0.5); + }//for i + break; + case IM_BSPLINE: + for (i=0; i<4; i++) { + kernelx[i]=KernelBSpline((float)(xi+i-1-x)); + kernely[i]=KernelBSpline((float)(yi+i-1-y)); + }//for i + break; + case IM_BOX: + for (i=0; i<4; i++) { + kernelx[i]=KernelBox((float)(xi+i-1-x)); + kernely[i]=KernelBox((float)(yi+i-1-y)); + }//for i + break; + case IM_HERMITE: + for (i=0; i<4; i++) { + kernelx[i]=KernelHermite((float)(xi+i-1-x)); + kernely[i]=KernelHermite((float)(yi+i-1-y)); + }//for i + break; + case IM_HAMMING: + for (i=0; i<4; i++) { + kernelx[i]=KernelHamming((float)(xi+i-1-x)); + kernely[i]=KernelHamming((float)(yi+i-1-y)); + }//for i + break; + case IM_SINC: + for (i=0; i<4; i++) { + kernelx[i]=KernelSinc((float)(xi+i-1-x)); + kernely[i]=KernelSinc((float)(yi+i-1-y)); + }//for i + break; + case IM_BLACKMAN: + for (i=0; i<4; i++) { + kernelx[i]=KernelBlackman((float)(xi+i-1-x)); + kernely[i]=KernelBlackman((float)(yi+i-1-y)); + }//for i + break; + case IM_BESSEL: + for (i=0; i<4; i++) { + kernelx[i]=KernelBessel((float)(xi+i-1-x)); + kernely[i]=KernelBessel((float)(yi+i-1-y)); + }//for i + break; + case IM_GAUSSIAN: + for (i=0; i<4; i++) { + kernelx[i]=KernelGaussian((float)(xi+i-1-x)); + kernely[i]=KernelGaussian((float)(yi+i-1-y)); + }//for i + break; + case IM_QUADRATIC: + for (i=0; i<4; i++) { + kernelx[i]=KernelQuadratic((float)(xi+i-1-x)); + kernely[i]=KernelQuadratic((float)(yi+i-1-y)); + }//for i + break; + case IM_MITCHELL: + for (i=0; i<4; i++) { + kernelx[i]=KernelMitchell((float)(xi+i-1-x)); + kernely[i]=KernelMitchell((float)(yi+i-1-y)); + }//for i + break; + case IM_CATROM: + for (i=0; i<4; i++) { + kernelx[i]=KernelCatrom((float)(xi+i-1-x)); + kernely[i]=KernelCatrom((float)(yi+i-1-y)); + }//for i + break; + case IM_HANNING: + for (i=0; i<4; i++) { + kernelx[i]=KernelHanning((float)(xi+i-1-x)); + kernely[i]=KernelHanning((float)(yi+i-1-y)); + }//for i + break; + case IM_POWER: + for (i=0; i<4; i++) { + kernelx[i]=KernelPower((float)(xi+i-1-x)); + kernely[i]=KernelPower((float)(yi+i-1-y)); + }//for i + break; + default:break; + }//switch + rr=gg=bb=aa=0; + if (((xi+2)=1 && ((yi+2)=1) && !IsIndexed()) { + //optimized interpolation (faster pixel reads) for RGB24 images with all pixels inside bounds + for (yii=yi-1; yii255) rr=255; if (rr<0) rr=0; color.rgbRed=(uint8_t) rr; + if (gg>255) gg=255; if (gg<0) gg=0; color.rgbGreen=(uint8_t) gg; + if (bb>255) bb=255; if (bb<0) bb=0; color.rgbBlue=(uint8_t) bb; +#if CXIMAGE_SUPPORT_ALPHA + if (aa>255) aa=255; if (aa<0) aa=0; color.rgbReserved=(uint8_t) aa; +#else + color.rgbReserved = 0; +#endif + return color; + case IM_LANCZOS: + //lanczos window (16*16) sinc interpolation + if (((xi+6)<0) || ((xi-5)>=head.biWidth) || ((yi+6)<0) || ((yi-5)>=head.biHeight)) { + //all points are outside bounds + switch (ofMethod) { + case OM_COLOR: case OM_TRANSPARENT: case OM_BACKGROUND: + //we don't need to interpolate anything with all points outside in this case + return GetPixelColorWithOverflow(-999, -999, ofMethod, rplColor); + break; + default: + //recalculate coordinates and use faster method later on + OverflowCoordinates(x,y,ofMethod); + xi=(int32_t)(x); if (x<0) xi--; //x and/or y have changed ... recalculate xi and yi + yi=(int32_t)(y); if (y<0) yi--; + }//switch + }//if + + for (xii=xi-5; xii=0) && ((yi+6)=0) && !IsIndexed()) { + //optimized interpolation (faster pixel reads) for RGB24 images with all pixels inside bounds + for (yii=yi-5; yii255) rr=255; if (rr<0) rr=0; color.rgbRed=(uint8_t) rr; + if (gg>255) gg=255; if (gg<0) gg=0; color.rgbGreen=(uint8_t) gg; + if (bb>255) bb=255; if (bb<0) bb=0; color.rgbBlue=(uint8_t) bb; +#if CXIMAGE_SUPPORT_ALPHA + if (aa>255) aa=255; if (aa<0) aa=0; color.rgbReserved=(uint8_t) aa; +#else + color.rgbReserved = 0; +#endif + return color; + }//switch +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Helper function for GetAreaColorInterpolated. + * Adds 'surf' portion of image pixel with color 'color' to (rr,gg,bb,aa). + */ +void CxImage::AddAveragingCont(RGBQUAD const &color, float const surf, float &rr, float &gg, float &bb, float &aa) +{ + rr+=color.rgbRed*surf; + gg+=color.rgbGreen*surf; + bb+=color.rgbBlue*surf; +#if CXIMAGE_SUPPORT_ALPHA + aa+=color.rgbReserved*surf; +#endif +} +//////////////////////////////////////////////////////////////////////////////// +/** + * This method is similar to GetPixelColorInterpolated, but this method also properly handles + * subsampling. + * If you need to sample original image with interval of more than 1 pixel (as when shrinking an image), + * you should use this method instead of GetPixelColorInterpolated or aliasing will occur. + * When area width and height are both less than pixel, this method gets pixel color by interpolating + * color of frame center with selected (inMethod) interpolation by calling GetPixelColorInterpolated. + * If width and height are more than 1, method calculates color by averaging color of pixels within area. + * Interpolation method is not used in this case. Pixel color is interpolated by averaging instead. + * If only one of both is more than 1, method uses combination of interpolation and averaging. + * Chosen interpolation method is used, but since it is averaged later on, there is little difference + * between IM_BILINEAR (perhaps best for this case) and better methods. IM_NEAREST_NEIGHBOUR again + * leads to aliasing artifacts. + * This method is a bit slower than GetPixelColorInterpolated and when aliasing is not a problem, you should + * simply use the later. + * + * \param xc, yc - center of (rectangular) area + * \param w, h - width and height of area + * \param inMethod - interpolation method that is used, when interpolation is used (see above) + * \param ofMethod - overflow method used when retrieving individual pixel colors + * \param rplColor - replacement colour to use, in OM_COLOR + * + * \author ***bd*** 2.2004 + */ +RGBQUAD CxImage::GetAreaColorInterpolated( + float const xc, float const yc, float const w, float const h, + InterpolationMethod const inMethod, + OverflowMethod const ofMethod, + RGBQUAD* const rplColor) +{ + RGBQUAD color; //calculated colour + + if (h<=1 && w<=1) { + //both width and height are less than one... we will use interpolation of center point + return GetPixelColorInterpolated(xc, yc, inMethod, ofMethod, rplColor); + } else { + //area is wider and/or taller than one pixel: + CxRect2 area(xc-w/2.0f, yc-h/2.0f, xc+w/2.0f, yc+h/2.0f); //area + int32_t xi1=(int32_t)(area.botLeft.x+0.49999999f); //low x + int32_t yi1=(int32_t)(area.botLeft.y+0.49999999f); //low y + + + int32_t xi2=(int32_t)(area.topRight.x+0.5f); //top x + int32_t yi2=(int32_t)(area.topRight.y+0.5f); //top y (for loops) + + float rr,gg,bb,aa; //red, green, blue and alpha components + rr=gg=bb=aa=0; + int32_t x,y; //loop counters + float s=0; //surface of all pixels + float cps; //surface of current crosssection + if (h>1 && w>1) { + //width and height of area are greater than one pixel, so we can employ "ordinary" averaging + CxRect2 intBL, intTR; //bottom left and top right intersection + intBL=area.CrossSection(CxRect2(((float)xi1)-0.5f, ((float)yi1)-0.5f, ((float)xi1)+0.5f, ((float)yi1)+0.5f)); + intTR=area.CrossSection(CxRect2(((float)xi2)-0.5f, ((float)yi2)-0.5f, ((float)xi2)+0.5f, ((float)yi2)+0.5f)); + float wBL, wTR, hBL, hTR; + wBL=intBL.Width(); //width of bottom left pixel-area intersection + hBL=intBL.Height(); //height of bottom left... + wTR=intTR.Width(); //width of top right... + hTR=intTR.Height(); //height of top right... + + AddAveragingCont(GetPixelColorWithOverflow(xi1,yi1,ofMethod,rplColor), wBL*hBL, rr, gg, bb, aa); //bottom left pixel + AddAveragingCont(GetPixelColorWithOverflow(xi2,yi1,ofMethod,rplColor), wTR*hBL, rr, gg, bb, aa); //bottom right pixel + AddAveragingCont(GetPixelColorWithOverflow(xi1,yi2,ofMethod,rplColor), wBL*hTR, rr, gg, bb, aa); //top left pixel + AddAveragingCont(GetPixelColorWithOverflow(xi2,yi2,ofMethod,rplColor), wTR*hTR, rr, gg, bb, aa); //top right pixel + //bottom and top row + for (x=xi1+1; x255) rr=255; if (rr<0) rr=0; color.rgbRed=(uint8_t) rr; + if (gg>255) gg=255; if (gg<0) gg=0; color.rgbGreen=(uint8_t) gg; + if (bb>255) bb=255; if (bb<0) bb=0; color.rgbBlue=(uint8_t) bb; +#if CXIMAGE_SUPPORT_ALPHA + if (aa>255) aa=255; if (aa<0) aa=0; color.rgbReserved=(uint8_t) aa; +#else + color.rgbReserved = 0; +#endif + }//if + return color; +} + +//////////////////////////////////////////////////////////////////////////////// +float CxImage::KernelBSpline(const float x) +{ + if (x>2.0f) return 0.0f; + // thanks to Kristian Kratzenstein + float a, b, c, d; + float xm1 = x - 1.0f; // Was calculatet anyway cause the "if((x-1.0f) < 0)" + float xp1 = x + 1.0f; + float xp2 = x + 2.0f; + + if ((xp2) <= 0.0f) a = 0.0f; else a = xp2*xp2*xp2; // Only float, not float -> double -> float + if ((xp1) <= 0.0f) b = 0.0f; else b = xp1*xp1*xp1; + if (x <= 0) c = 0.0f; else c = x*x*x; + if ((xm1) <= 0.0f) d = 0.0f; else d = xm1*xm1*xm1; + + return (0.16666666666666666667f * (a - (4.0f * b) + (6.0f * c) - (4.0f * d))); + + /* equivalent + if (x < -2.0) + return(0.0f); + if (x < -1.0) + return((2.0f+x)*(2.0f+x)*(2.0f+x)*0.16666666666666666667f); + if (x < 0.0) + return((4.0f+x*x*(-6.0f-3.0f*x))*0.16666666666666666667f); + if (x < 1.0) + return((4.0f+x*x*(-6.0f+3.0f*x))*0.16666666666666666667f); + if (x < 2.0) + return((2.0f-x)*(2.0f-x)*(2.0f-x)*0.16666666666666666667f); + return(0.0f); + */ +} + +//////////////////////////////////////////////////////////////////////////////// +/** + * Bilinear interpolation kernel: + \verbatim + / + | 1-t , if 0 <= t <= 1 + h(t) = | t+1 , if -1 <= t < 0 + | 0 , otherwise + \ + \endverbatim + * ***bd*** 2.2004 + */ +float CxImage::KernelLinear(const float t) +{ +// if (0<=t && t<=1) return 1-t; +// if (-1<=t && t<0) return 1+t; +// return 0; + + // + if (t < -1.0f) + return 0.0f; + if (t < 0.0f) + return 1.0f+t; + if (t < 1.0f) + return 1.0f-t; + return 0.0f; +} + +//////////////////////////////////////////////////////////////////////////////// +/** + * Bicubic interpolation kernel (a=-1): + \verbatim + / + | 1-2|t|**2+|t|**3 , if |t| < 1 + h(t) = | 4-8|t|+5|t|**2-|t|**3 , if 1<=|t|<2 + | 0 , otherwise + \ + \endverbatim + * ***bd*** 2.2004 + */ +float CxImage::KernelCubic(const float t) +{ + float abs_t = (float)fabs(t); + float abs_t_sq = abs_t * abs_t; + if (abs_t<1) return 1-2*abs_t_sq+abs_t_sq*abs_t; + if (abs_t<2) return 4 - 8*abs_t +5*abs_t_sq - abs_t_sq*abs_t; + return 0; +} + +//////////////////////////////////////////////////////////////////////////////// +/** + * Bicubic kernel (for a=-1 it is the same as BicubicKernel): + \verbatim + / + | (a+2)|t|**3 - (a+3)|t|**2 + 1 , |t| <= 1 + h(t) = | a|t|**3 - 5a|t|**2 + 8a|t| - 4a , 1 < |t| <= 2 + | 0 , otherwise + \ + \endverbatim + * Often used values for a are -1 and -1/2. + */ +float CxImage::KernelGeneralizedCubic(const float t, const float a) +{ + float abs_t = (float)fabs(t); + float abs_t_sq = abs_t * abs_t; + if (abs_t<1) return (a+2)*abs_t_sq*abs_t - (a+3)*abs_t_sq + 1; + if (abs_t<2) return a*abs_t_sq*abs_t - 5*a*abs_t_sq + 8*a*abs_t - 4*a; + return 0; +} + +//////////////////////////////////////////////////////////////////////////////// +/** + * Lanczos windowed sinc interpolation kernel with radius r. + \verbatim + / + h(t) = | sinc(t)*sinc(t/r) , if |t| r) return 0; + if (t==0) return 1; + float pit=PI*t; + float pitd=pit/r; + return (float)((sin(pit)/pit) * (sin(pitd)/pitd)); +} + +//////////////////////////////////////////////////////////////////////////////// +float CxImage::KernelBox(const float x) +{ + if (x < -0.5f) + return 0.0f; + if (x < 0.5f) + return 1.0f; + return 0.0f; +} +//////////////////////////////////////////////////////////////////////////////// +float CxImage::KernelHermite(const float x) +{ + if (x < -1.0f) + return 0.0f; + if (x < 0.0f) + return (-2.0f*x-3.0f)*x*x+1.0f; + if (x < 1.0f) + return (2.0f*x-3.0f)*x*x+1.0f; + return 0.0f; +// if (fabs(x)>1) return 0.0f; +// return(0.5f+0.5f*(float)cos(PI*x)); +} +//////////////////////////////////////////////////////////////////////////////// +float CxImage::KernelHanning(const float x) +{ + if (fabs(x)>1) return 0.0f; + return (0.5f+0.5f*(float)cos(PI*x))*((float)sin(PI*x)/(PI*x)); +} +//////////////////////////////////////////////////////////////////////////////// +float CxImage::KernelHamming(const float x) +{ + if (x < -1.0f) + return 0.0f; + if (x < 0.0f) + return 0.92f*(-2.0f*x-3.0f)*x*x+1.0f; + if (x < 1.0f) + return 0.92f*(2.0f*x-3.0f)*x*x+1.0f; + return 0.0f; +// if (fabs(x)>1) return 0.0f; +// return(0.54f+0.46f*(float)cos(PI*x)); +} +//////////////////////////////////////////////////////////////////////////////// +float CxImage::KernelSinc(const float x) +{ + if (x == 0.0) + return(1.0); + return((float)sin(PI*x)/(PI*x)); +} +//////////////////////////////////////////////////////////////////////////////// +float CxImage::KernelBlackman(const float x) +{ + //if (fabs(x)>1) return 0.0f; + return (0.42f+0.5f*(float)cos(PI*x)+0.08f*(float)cos(2.0f*PI*x)); +} +//////////////////////////////////////////////////////////////////////////////// +float CxImage::KernelBessel_J1(const float x) +{ + double p, q; + + register int32_t i; + + static const double + Pone[] = + { + 0.581199354001606143928050809e+21, + -0.6672106568924916298020941484e+20, + 0.2316433580634002297931815435e+19, + -0.3588817569910106050743641413e+17, + 0.2908795263834775409737601689e+15, + -0.1322983480332126453125473247e+13, + 0.3413234182301700539091292655e+10, + -0.4695753530642995859767162166e+7, + 0.270112271089232341485679099e+4 + }, + Qone[] = + { + 0.11623987080032122878585294e+22, + 0.1185770712190320999837113348e+20, + 0.6092061398917521746105196863e+17, + 0.2081661221307607351240184229e+15, + 0.5243710262167649715406728642e+12, + 0.1013863514358673989967045588e+10, + 0.1501793594998585505921097578e+7, + 0.1606931573481487801970916749e+4, + 0.1e+1 + }; + + p = Pone[8]; + q = Qone[8]; + for (i=7; i >= 0; i--) + { + p = p*x*x+Pone[i]; + q = q*x*x+Qone[i]; + } + return (float)(p/q); +} +//////////////////////////////////////////////////////////////////////////////// +float CxImage::KernelBessel_P1(const float x) +{ + double p, q; + + register int32_t i; + + static const double + Pone[] = + { + 0.352246649133679798341724373e+5, + 0.62758845247161281269005675e+5, + 0.313539631109159574238669888e+5, + 0.49854832060594338434500455e+4, + 0.2111529182853962382105718e+3, + 0.12571716929145341558495e+1 + }, + Qone[] = + { + 0.352246649133679798068390431e+5, + 0.626943469593560511888833731e+5, + 0.312404063819041039923015703e+5, + 0.4930396490181088979386097e+4, + 0.2030775189134759322293574e+3, + 0.1e+1 + }; + + p = Pone[5]; + q = Qone[5]; + for (i=4; i >= 0; i--) + { + p = p*(8.0/x)*(8.0/x)+Pone[i]; + q = q*(8.0/x)*(8.0/x)+Qone[i]; + } + return (float)(p/q); +} +//////////////////////////////////////////////////////////////////////////////// +float CxImage::KernelBessel_Q1(const float x) +{ + double p, q; + + register int32_t i; + + static const double + Pone[] = + { + 0.3511751914303552822533318e+3, + 0.7210391804904475039280863e+3, + 0.4259873011654442389886993e+3, + 0.831898957673850827325226e+2, + 0.45681716295512267064405e+1, + 0.3532840052740123642735e-1 + }, + Qone[] = + { + 0.74917374171809127714519505e+4, + 0.154141773392650970499848051e+5, + 0.91522317015169922705904727e+4, + 0.18111867005523513506724158e+4, + 0.1038187585462133728776636e+3, + 0.1e+1 + }; + + p = Pone[5]; + q = Qone[5]; + for (i=4; i >= 0; i--) + { + p = p*(8.0/x)*(8.0/x)+Pone[i]; + q = q*(8.0/x)*(8.0/x)+Qone[i]; + } + return (float)(p/q); +} +//////////////////////////////////////////////////////////////////////////////// +float CxImage::KernelBessel_Order1(float x) +{ + float p, q; + + if (x == 0.0) + return (0.0f); + p = x; + if (x < 0.0) + x=(-x); + if (x < 8.0) + return(p*KernelBessel_J1(x)); + q = (float)sqrt(2.0f/(PI*x))*(float)(KernelBessel_P1(x)*(1.0f/sqrt(2.0f)*(sin(x)-cos(x)))-8.0f/x*KernelBessel_Q1(x)* + (-1.0f/sqrt(2.0f)*(sin(x)+cos(x)))); + if (p < 0.0f) + q = (-q); + return (q); +} +//////////////////////////////////////////////////////////////////////////////// +float CxImage::KernelBessel(const float x) +{ + if (x == 0.0f) + return(PI/4.0f); + return(KernelBessel_Order1(PI*x)/(2.0f*x)); +} +//////////////////////////////////////////////////////////////////////////////// +float CxImage::KernelGaussian(const float x) +{ + return (float)(exp(-2.0f*x*x)*0.79788456080287f/*sqrt(2.0f/PI)*/); +} +//////////////////////////////////////////////////////////////////////////////// +float CxImage::KernelQuadratic(const float x) +{ + if (x < -1.5f) + return(0.0f); + if (x < -0.5f) + return(0.5f*(x+1.5f)*(x+1.5f)); + if (x < 0.5f) + return(0.75f-x*x); + if (x < 1.5f) + return(0.5f*(x-1.5f)*(x-1.5f)); + return(0.0f); +} +//////////////////////////////////////////////////////////////////////////////// +float CxImage::KernelMitchell(const float x) +{ +#define KM_B (1.0f/3.0f) +#define KM_C (1.0f/3.0f) +#define KM_P0 (( 6.0f - 2.0f * KM_B ) / 6.0f) +#define KM_P2 ((-18.0f + 12.0f * KM_B + 6.0f * KM_C) / 6.0f) +#define KM_P3 (( 12.0f - 9.0f * KM_B - 6.0f * KM_C) / 6.0f) +#define KM_Q0 (( 8.0f * KM_B + 24.0f * KM_C) / 6.0f) +#define KM_Q1 ((-12.0f * KM_B - 48.0f * KM_C) / 6.0f) +#define KM_Q2 (( 6.0f * KM_B + 30.0f * KM_C) / 6.0f) +#define KM_Q3 (( -1.0f * KM_B - 6.0f * KM_C) / 6.0f) + + if (x < -2.0) + return(0.0f); + if (x < -1.0) + return(KM_Q0-x*(KM_Q1-x*(KM_Q2-x*KM_Q3))); + if (x < 0.0f) + return(KM_P0+x*x*(KM_P2-x*KM_P3)); + if (x < 1.0f) + return(KM_P0+x*x*(KM_P2+x*KM_P3)); + if (x < 2.0f) + return(KM_Q0+x*(KM_Q1+x*(KM_Q2+x*KM_Q3))); + return(0.0f); +} +//////////////////////////////////////////////////////////////////////////////// +float CxImage::KernelCatrom(const float x) +{ + if (x < -2.0) + return(0.0f); + if (x < -1.0) + return(0.5f*(4.0f+x*(8.0f+x*(5.0f+x)))); + if (x < 0.0) + return(0.5f*(2.0f+x*x*(-5.0f-3.0f*x))); + if (x < 1.0) + return(0.5f*(2.0f+x*x*(-5.0f+3.0f*x))); + if (x < 2.0) + return(0.5f*(4.0f+x*(-8.0f+x*(5.0f-x)))); + return(0.0f); +} +//////////////////////////////////////////////////////////////////////////////// +float CxImage::KernelPower(const float x, const float a) +{ + if (fabs(x)>1) return 0.0f; + return (1.0f - (float)fabs(pow(x,a))); +} +//////////////////////////////////////////////////////////////////////////////// + +#endif diff --git a/smelt/glfw/CxImage/ximaiter.h b/smelt/glfw/CxImage/ximaiter.h new file mode 100644 index 0000000..2371d28 --- /dev/null +++ b/smelt/glfw/CxImage/ximaiter.h @@ -0,0 +1,253 @@ +/* + * File: ImaIter.h + * Purpose: Declaration of the Platform Independent Image Base Class + * Author: Alejandro Aguilar Sierra + * Created: 1995 + * Copyright: (c) 1995, Alejandro Aguilar Sierra + * + * 07/08/2001 Davide Pizzolato - www.xdp.it + * - removed slow loops + * - added safe checks + * + * Permission is given by the author to freely redistribute and include + * this code in any program as int32_t as this credit is given where due. + * + * COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY + * OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES + * THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE + * OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED + * CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT + * THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY + * SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL + * PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. + * + * Use at your own risk! + * ========================================================== + */ + +#if !defined(__ImaIter_h) +#define __ImaIter_h + +#include "ximage.h" +#include "ximadef.h" + +class CImageIterator +{ +friend class CxImage; +protected: + int32_t Itx, Ity; // Counters + int32_t Stepx, Stepy; + uint8_t* IterImage; // Image pointer + CxImage *ima; +public: + // Constructors + CImageIterator ( void ); + CImageIterator ( CxImage *image ); + operator CxImage* (); + + // Iterators + BOOL ItOK (); + void Reset (); + void Upset (); + void SetRow(uint8_t *buf, int32_t n); + void GetRow(uint8_t *buf, int32_t n); + uint8_t GetByte( ) { return IterImage[Itx]; } + void SetByte(uint8_t b) { IterImage[Itx] = b; } + uint8_t* GetRow(void); + uint8_t* GetRow(int32_t n); + BOOL NextRow(); + BOOL PrevRow(); + BOOL NextByte(); + BOOL PrevByte(); + + void SetSteps(int32_t x, int32_t y=0) { Stepx = x; Stepy = y; } + void GetSteps(int32_t *x, int32_t *y) { *x = Stepx; *y = Stepy; } + BOOL NextStep(); + BOOL PrevStep(); + + void SetY(int32_t y); /* AD - for interlace */ + int32_t GetY() {return Ity;} + BOOL GetCol(uint8_t* pCol, uint32_t x); + BOOL SetCol(uint8_t* pCol, uint32_t x); +}; + +///////////////////////////////////////////////////////////////////// +inline +CImageIterator::CImageIterator(void) +{ + ima = 0; + IterImage = 0; + Itx = Ity = 0; + Stepx = Stepy = 0; +} +///////////////////////////////////////////////////////////////////// +inline +CImageIterator::CImageIterator(CxImage *imageImpl): ima(imageImpl) +{ + if (ima) IterImage = ima->GetBits(); + Itx = Ity = 0; + Stepx = Stepy = 0; +} +///////////////////////////////////////////////////////////////////// +inline +CImageIterator::operator CxImage* () +{ + return ima; +} +///////////////////////////////////////////////////////////////////// +inline BOOL CImageIterator::ItOK () +{ + if (ima) return ima->IsInside(Itx, Ity); + else return FALSE; +} +///////////////////////////////////////////////////////////////////// +inline void CImageIterator::Reset() +{ + if (ima) IterImage = ima->GetBits(); + else IterImage=0; + Itx = Ity = 0; +} +///////////////////////////////////////////////////////////////////// +inline void CImageIterator::Upset() +{ + Itx = 0; + Ity = ima->GetHeight()-1; + IterImage = ima->GetBits() + ima->GetEffWidth()*(ima->GetHeight()-1); +} +///////////////////////////////////////////////////////////////////// +inline BOOL CImageIterator::NextRow() +{ + if (++Ity >= (int32_t)ima->GetHeight()) return 0; + IterImage += ima->GetEffWidth(); + return 1; +} +///////////////////////////////////////////////////////////////////// +inline BOOL CImageIterator::PrevRow() +{ + if (--Ity < 0) return 0; + IterImage -= ima->GetEffWidth(); + return 1; +} +/* AD - for interlace */ +inline void CImageIterator::SetY(int32_t y) +{ + if ((y < 0) || (y > (int32_t)ima->GetHeight())) return; + Ity = y; + IterImage = ima->GetBits() + ima->GetEffWidth()*y; +} +///////////////////////////////////////////////////////////////////// +inline void CImageIterator::SetRow(uint8_t *buf, int32_t n) +{ + if (n<0) n = (int32_t)ima->GetEffWidth(); + else n = min(n,(int32_t)ima->GetEffWidth()); + + if ((IterImage!=NULL)&&(buf!=NULL)&&(n>0)) memcpy(IterImage,buf,n); +} +///////////////////////////////////////////////////////////////////// +inline void CImageIterator::GetRow(uint8_t *buf, int32_t n) +{ + if ((IterImage!=NULL)&&(buf!=NULL)&&(n>0)) + memcpy(buf,IterImage,min(n,(int32_t)ima->GetEffWidth())); +} +///////////////////////////////////////////////////////////////////// +inline uint8_t* CImageIterator::GetRow() +{ + return IterImage; +} +///////////////////////////////////////////////////////////////////// +inline uint8_t* CImageIterator::GetRow(int32_t n) +{ + SetY(n); + return IterImage; +} +///////////////////////////////////////////////////////////////////// +inline BOOL CImageIterator::NextByte() +{ + if (++Itx < (int32_t)ima->GetEffWidth()) return 1; + else + if (++Ity < (int32_t)ima->GetHeight()){ + IterImage += ima->GetEffWidth(); + Itx = 0; + return 1; + } else + return 0; +} +///////////////////////////////////////////////////////////////////// +inline BOOL CImageIterator::PrevByte() +{ + if (--Itx >= 0) return 1; + else + if (--Ity >= 0){ + IterImage -= ima->GetEffWidth(); + Itx = 0; + return 1; + } else + return 0; +} +///////////////////////////////////////////////////////////////////// +inline BOOL CImageIterator::NextStep() +{ + Itx += Stepx; + if (Itx < (int32_t)ima->GetEffWidth()) return 1; + else { + Ity += Stepy; + if (Ity < (int32_t)ima->GetHeight()){ + IterImage += ima->GetEffWidth(); + Itx = 0; + return 1; + } else + return 0; + } +} +///////////////////////////////////////////////////////////////////// +inline BOOL CImageIterator::PrevStep() +{ + Itx -= Stepx; + if (Itx >= 0) return 1; + else { + Ity -= Stepy; + if (Ity >= 0 && Ity < (int32_t)ima->GetHeight()) { + IterImage -= ima->GetEffWidth(); + Itx = 0; + return 1; + } else + return 0; + } +} +///////////////////////////////////////////////////////////////////// +inline BOOL CImageIterator::GetCol(uint8_t* pCol, uint32_t x) +{ + if ((pCol==0)||(ima->GetBpp()<8)||(x>=ima->GetWidth())) + return 0; + uint32_t h = ima->GetHeight(); + //uint32_t line = ima->GetEffWidth(); + uint8_t bytes = (uint8_t)(ima->GetBpp()>>3); + uint8_t* pSrc; + for (uint32_t y=0;yGetBits(y) + x*bytes; + for (uint8_t w=0;wGetBpp()<8)||(x>=ima->GetWidth())) + return 0; + uint32_t h = ima->GetHeight(); + //uint32_t line = ima->GetEffWidth(); + uint8_t bytes = (uint8_t)(ima->GetBpp()>>3); + uint8_t* pSrc; + for (uint32_t y=0;yGetBits(y) + x*bytes; + for (uint8_t w=0;wnumcmpts_ > 64 || image->numcmpts_ < 0) + cx_throw("error: too many components"); + + // 01/Jan/2005: Always force conversion to sRGB. Seems to be required for many types of JPEG2000 file. + // if (depth!=1 && depth!=4 && depth!=8) + if (image->numcmpts_>=3 && depth <=8) + { + jas_image_t *newimage; + jas_cmprof_t *outprof; + //jas_eprintf("forcing conversion to sRGB\n"); + outprof = jas_cmprof_createfromclrspc(JAS_CLRSPC_SRGB); + if (!outprof) { + cx_throw("cannot create sRGB profile"); + } + newimage = jas_image_chclrspc(image, outprof, JAS_CMXFORM_INTENT_PER); + if (!newimage) { + jas_cmprof_destroy(outprof); // 01/Jan/2005: Destroy color profile on error. + cx_throw("cannot convert to sRGB"); + } + jas_image_destroy(image); + jas_cmprof_destroy(outprof); + image = newimage; + } + + bufs = (jas_matrix_t **)calloc(image->numcmpts_, sizeof(jas_matrix_t**)); + for (i = 0; i < image->numcmpts_; ++i) { + bufs[i] = jas_matrix_create(1, w); + if (!bufs[i]) { + cx_throw("error: cannot allocate memory"); + } + } + + int32_t nshift = (depth>8) ? (depth-8) : 0; + + if (image->numcmpts_==3 && + image->cmpts_[0]->width_ == image->cmpts_[1]->width_ && + image->cmpts_[1]->width_ == image->cmpts_[2]->width_ && + image->cmpts_[0]->height_ == image->cmpts_[1]->height_ && + image->cmpts_[1]->height_ == image->cmpts_[2]->height_ && + image->cmpts_[0]->prec_ == image->cmpts_[1]->prec_ && + image->cmpts_[1]->prec_ == image->cmpts_[2]->prec_ ) + { + + if(!Create(w,h,24,fmt)) + cx_throw(""); + + RGBQUAD c; + for (y=0; ynumcmpts_; ++cmptno) { + jas_image_readcmpt(image, cmptno, 0, y, w, 1, bufs[cmptno]); + } + + for (x=0; x>nshift)); + c.rgbGreen = (uint8_t)((jas_matrix_getv(bufs[1], x)>>nshift)); + c.rgbBlue = (uint8_t)((jas_matrix_getv(bufs[2], x)>>nshift)); + SetPixelColor(x,h-1-y,c); + } + } + } else { + info.nNumFrames = image->numcmpts_; + if ((info.nFrame<0)||(info.nFrame>=info.nNumFrames)){ + cx_throw("wrong frame!"); + } + for (cmptno=0; cmptno<=info.nFrame; cmptno++) { + w = jas_image_cmptwidth(image,cmptno); + h = jas_image_cmptheight(image,cmptno); + depth = jas_image_cmptprec(image,cmptno); + if (depth>8) depth=8; + if(!Create(w,h,depth,imagetype)) + cx_throw(""); + SetGrayPalette(); + for (y=0; y>nshift))); + } + } + } + } + + + } cx_catch { + if (strcmp(message,"")) strncpy(info.szLastError,message,255); + if (info.nEscape == -1 && fmt>0){ + error = 0; + } else { + error = 1; + } + } + + if (bufs) { + for (i = 0; i < image->numcmpts_; ++i){ if (bufs[i]) jas_matrix_destroy(bufs[i]);} + free(bufs); + } + jas_cleanup(); + if (image) jas_image_destroy(image); + if (in) jas_stream_close(in); + return (error==0); +} +//////////////////////////////////////////////////////////////////////////////// +#endif //CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImageJAS::Encode(CxFile * hFile, uint32_t imagetype) +{ + if (EncodeSafeCheck(hFile)) return false; + + if (head.biClrUsed!=0 && !IsGrayScale()){ + strcpy(info.szLastError,"JasPer can save only RGB or GrayScale images"); + return false; + } + + jas_image_t *image=0; + jas_stream_t *out=0; + jas_matrix_t *cmpts[3]; + int32_t x,y,yflip,error=0; + uint_fast16_t cmptno, numcmpts=0; + jas_image_cmptparm_t cmptparms[3], *cmptparm; + + cx_try { + + if (jas_init()) + cx_throw("cannot initialize jasper"); + + out = jas_stream_fdopen(0, "wb"); + if (!out) + cx_throw("error: cannot open standard output"); + + CxFileJas src(hFile,out); + + numcmpts = head.biClrUsed==0 ? 3 : 1; + + for (cmptno = 0, cmptparm = cmptparms; cmptno < numcmpts; ++cmptno, ++cmptparm) { + cmptparm->tlx = 0; + cmptparm->tly = 0; + cmptparm->hstep = 1; + cmptparm->vstep = 1; + cmptparm->width = head.biWidth; + cmptparm->height = head.biHeight; + cmptparm->prec = 8; + cmptparm->sgnd = false; + } + + /* Create image object. */ + image = jas_image_create(numcmpts, cmptparms, JAS_CLRSPC_UNKNOWN); + if (!image) + cx_throw("error : jas_image_create"); + + if (numcmpts == 3) { + jas_image_setclrspc(image, JAS_CLRSPC_SRGB); + jas_image_setcmpttype(image, 0, + JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R)); + jas_image_setcmpttype(image, 1, + JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G)); + jas_image_setcmpttype(image, 2, + JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B)); + } else { + jas_image_setclrspc(image, JAS_CLRSPC_SGRAY); + jas_image_setcmpttype(image, 0, + JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_GRAY_Y)); + } + + + for (x = 0; x < numcmpts; ++x) { cmpts[x] = 0; } + /* Create temporary matrices to hold component data. */ + for (x = 0; x < numcmpts; ++x) { + cmpts[x] = jas_matrix_create(1, head.biWidth); + if (!cmpts[x]) { + cx_throw("error : can't allocate memory"); + } + } + + RGBQUAD c; + for (y = 0; y < head.biHeight; ++y) { + for (x = 0; x < head.biWidth; ++x) { + if (head.biClrUsed==0){ + c = GetPixelColor(x,y); + jas_matrix_setv(cmpts[0], x, c.rgbRed); + jas_matrix_setv(cmpts[1], x, c.rgbGreen); + jas_matrix_setv(cmpts[2], x, c.rgbBlue); + } else { + jas_matrix_setv(cmpts[0], x, GetPixelIndex(x,y)); + } + } + yflip = head.biHeight - 1 - y; + for (cmptno = 0; cmptno < numcmpts; ++cmptno) { + if (jas_image_writecmpt(image, cmptno, 0, yflip, head.biWidth, 1, cmpts[cmptno])) { + cx_throw("error : jas_image_writecmpt"); + } + } + } + + char szfmt[4]; + *szfmt = '\0'; +#if CXIMAGE_SUPPORT_JP2 + if (imagetype == CXIMAGE_FORMAT_JP2) strcpy(szfmt,"jp2"); +#endif +#if CXIMAGE_SUPPORT_JPC + if (imagetype == CXIMAGE_FORMAT_JPC) strcpy(szfmt,"jpc"); +#endif +#if CXIMAGE_SUPPORT_RAS + if (imagetype == CXIMAGE_FORMAT_RAS) strcpy(szfmt,"ras"); +#endif +#if CXIMAGE_SUPPORT_PNM + if (imagetype == CXIMAGE_FORMAT_PNM) strcpy(szfmt,"pnm"); +#endif +#if CXIMAGE_SUPPORT_PGX + if (imagetype == CXIMAGE_FORMAT_PGX){ + strcpy(szfmt,"pgx"); + if (head.biClrUsed==0) cx_throw("PGX can save only GrayScale images"); + } +#endif + int32_t outfmt = jas_image_strtofmt(szfmt); + + char szoutopts[32]; + sprintf(szoutopts,"rate=%.3f", info.fQuality/100.0f); + + if (jas_image_encode(image, out, outfmt, szoutopts)) { + cx_throw("error: cannot encode image"); + } + jas_stream_flush(out); + + } cx_catch { + if (strcmp(message,"")) strncpy(info.szLastError,message,255); + error = 1; + } + + for (x = 0; x < numcmpts; ++x) { if (cmpts[x]) { jas_matrix_destroy(cmpts[x]); } } + jas_cleanup(); + if (image) jas_image_destroy(image); + if (out) jas_stream_close(out); + + return (error==0); +} +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_JASPER + diff --git a/smelt/glfw/CxImage/ximajas.h b/smelt/glfw/CxImage/ximajas.h new file mode 100644 index 0000000..da76dfc --- /dev/null +++ b/smelt/glfw/CxImage/ximajas.h @@ -0,0 +1,88 @@ +/* + * File: ximajas.h + * Purpose: Jasper Image Class Loader and Writer + */ +/* ========================================================== + * CxImageJAS (c) 12/Apr/2003 Davide Pizzolato - www.xdp.it + * For conditions of distribution and use, see copyright notice in ximage.h + * + * based on JasPer Copyright (c) 2001-2003 Michael David Adams - All rights reserved. + * ========================================================== + */ +#if !defined(__ximaJAS_h) +#define __ximaJAS_h + +#include "ximage.h" + +#if CXIMAGE_SUPPORT_JASPER + +#ifdef _LINUX + #include +#else + #include "../jasper/include/jasper/jasper.h" +#endif + +class CxImageJAS: public CxImage +{ +public: + CxImageJAS(): CxImage((uint32_t)0) {} // cast to uint32_t + +// bool Load(const TCHAR * imageFileName){ return CxImage::Load(imageFileName,0);} +// bool Save(const TCHAR * imageFileName){ return CxImage::Save(imageFileName,0);} + bool Decode(CxFile * hFile, uint32_t imagetype = 0); + bool Decode(FILE *hFile, uint32_t imagetype = 0) { CxIOFile file(hFile); return Decode(&file,imagetype); } + +#if CXIMAGE_SUPPORT_ENCODE + bool Encode(CxFile * hFile, uint32_t imagetype = 0); + bool Encode(FILE *hFile, uint32_t imagetype = 0) { CxIOFile file(hFile); return Encode(&file,imagetype); } +#endif // CXIMAGE_SUPPORT_ENCODE +protected: + + class CxFileJas + { + public: + CxFileJas(CxFile* pFile,jas_stream_t *stream) + { + if (stream->obj_) jas_free(stream->obj_); + stream->obj_ = pFile; + + // - cannot set the stream->ops_->functions here, + // because this overwrites a static structure in the Jasper library. + // This structure is used by Jasper for internal operations too, e.g. tempfile. + // However the ops_ pointer in the stream can be overwritten. + + //stream->ops_->close_ = JasClose; + //stream->ops_->read_ = JasRead; + //stream->ops_->seek_ = JasSeek; + //stream->ops_->write_ = JasWrite; + + jas_stream_CxFile.close_ = JasClose; + jas_stream_CxFile.read_ = JasRead; + jas_stream_CxFile.seek_ = JasSeek; + jas_stream_CxFile.write_ = JasWrite; + + stream->ops_ = &jas_stream_CxFile; + + // - end + } + static int32_t JasRead(jas_stream_obj_t *obj, char *buf, int32_t cnt) + { return ((CxFile*)obj)->Read(buf,1,cnt); } + static int32_t JasWrite(jas_stream_obj_t *obj, char *buf, int32_t cnt) + { return ((CxFile*)obj)->Write(buf,1,cnt); } + static long JasSeek(jas_stream_obj_t *obj, long offset, int32_t origin) + { return ((CxFile*)obj)->Seek(offset,origin); } + static int32_t JasClose(jas_stream_obj_t * /*obj*/) + { return 1; } + + // +private: + jas_stream_ops_t jas_stream_CxFile; + // - end + + }; + +}; + +#endif + +#endif diff --git a/smelt/glfw/CxImage/ximajbg.cpp b/smelt/glfw/CxImage/ximajbg.cpp new file mode 100644 index 0000000..ee7bc10 --- /dev/null +++ b/smelt/glfw/CxImage/ximajbg.cpp @@ -0,0 +1,174 @@ +/* + * File: ximajbg.cpp + * Purpose: Platform Independent JBG Image Class Loader and Writer + * 18/Aug/2002 Davide Pizzolato - www.xdp.it + * CxImage version 7.0.0 31/Dec/2010 + */ + +#include "ximajbg.h" + +#if CXIMAGE_SUPPORT_JBG + +#include "ximaiter.h" + +#define JBIG_BUFSIZE 8192 + +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImageJBG::Decode(CxFile *hFile) +{ + if (hFile == NULL) return false; + + struct jbg_dec_state jbig_state; + uint32_t xmax = 4294967295UL, ymax = 4294967295UL; + uint32_t len, cnt; + uint8_t *buffer=0,*p; + int32_t result; + + cx_try + { + jbg_dec_init(&jbig_state); + jbg_dec_maxsize(&jbig_state, xmax, ymax); + + buffer = (uint8_t*)malloc(JBIG_BUFSIZE); + if (!buffer) cx_throw("Sorry, not enough memory available!"); + + result = JBG_EAGAIN; + do { + len = hFile->Read(buffer, 1, JBIG_BUFSIZE); + if (!len) break; + cnt = 0; + p = buffer; + while (len > 0 && (result == JBG_EAGAIN || result == JBG_EOK)) { + result = jbg_dec_in(&jbig_state, p, len, &cnt); + p += cnt; + len -= cnt; + } + } while (result == JBG_EAGAIN || result == JBG_EOK); + + if (hFile->Error()) + cx_throw("Problem while reading input file"); + if (result != JBG_EOK && result != JBG_EOK_INTR) + cx_throw("Problem with input file"); + + int32_t w, h, bpp, planes, ew; + + w = jbg_dec_getwidth(&jbig_state); + h = jbg_dec_getheight(&jbig_state); + planes = jbg_dec_getplanes(&jbig_state); + bpp = (planes+7)>>3; + ew = (w + 7)>>3; + + if (info.nEscape == -1){ + head.biWidth = w; + head.biHeight= h; + info.dwType = CXIMAGE_FORMAT_JBG; + cx_throw("output dimensions returned"); + } + + switch (planes){ + case 1: + { + uint8_t* binary_image = jbg_dec_getimage(&jbig_state, 0); + + if (!Create(w,h,1,CXIMAGE_FORMAT_JBG)) + cx_throw(""); + + SetPaletteColor(0,255,255,255); + SetPaletteColor(1,0,0,0); + + CImageIterator iter(this); + iter.Upset(); + for (int32_t i=0;i>3; + ew = (w + 7)>>3; + + uint8_t mask; + RGBQUAD *rgb = GetPalette(); + if (CompareColors(&rgb[0],&rgb[1])<0) mask=255; else mask=0; + + uint8_t *buffer = (uint8_t*)malloc(ew*h*2); + if (!buffer) { + strcpy(info.szLastError,"Sorry, not enough memory available!"); + return false; + } + + for (y=0; yError()){ + strcpy(info.szLastError,"Problem while writing JBG file"); + return false; + } + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_JBG + diff --git a/smelt/glfw/CxImage/ximajbg.h b/smelt/glfw/CxImage/ximajbg.h new file mode 100644 index 0000000..1cf4965 --- /dev/null +++ b/smelt/glfw/CxImage/ximajbg.h @@ -0,0 +1,44 @@ +/* + * File: ximajbg.h + * Purpose: JBG Image Class Loader and Writer + */ +/* ========================================================== + * CxImageJBG (c) 18/Aug/2002 Davide Pizzolato - www.xdp.it + * For conditions of distribution and use, see copyright notice in ximage.h + * + * based on LIBJBG Copyright (c) 2002, Markus Kuhn - All rights reserved. + * ========================================================== + */ +#if !defined(__ximaJBG_h) +#define __ximaJBG_h + +#include "ximage.h" + +#if CXIMAGE_SUPPORT_JBG + +extern "C" { +#include "../jbig/jbig.h" +}; + +class CxImageJBG: public CxImage +{ +public: + CxImageJBG(): CxImage(CXIMAGE_FORMAT_JBG) {} + +// bool Load(const TCHAR * imageFileName){ return CxImage::Load(imageFileName,CXIMAGE_FORMAT_JBG);} +// bool Save(const TCHAR * imageFileName){ return CxImage::Save(imageFileName,CXIMAGE_FORMAT_JBG);} + bool Decode(CxFile * hFile); + bool Decode(FILE *hFile) { CxIOFile file(hFile); return Decode(&file); } + +#if CXIMAGE_SUPPORT_ENCODE + bool Encode(CxFile * hFile); + bool Encode(FILE *hFile) { CxIOFile file(hFile); return Encode(&file); } +#endif // CXIMAGE_SUPPORT_ENCODE +protected: + static void jbig_data_out(uint8_t *buffer, uint32_t len, void *file) + {((CxFile*)file)->Write(buffer,len,1);} +}; + +#endif + +#endif diff --git a/smelt/glfw/CxImage/ximajpg.cpp b/smelt/glfw/CxImage/ximajpg.cpp new file mode 100644 index 0000000..b66bf97 --- /dev/null +++ b/smelt/glfw/CxImage/ximajpg.cpp @@ -0,0 +1,538 @@ +/* + * File: ximajpg.cpp + * Purpose: Platform Independent JPEG Image Class Loader and Writer + * 07/Aug/2001 Davide Pizzolato - www.xdp.it + * CxImage version 7.0.0 31/Dec/2010 + */ + +#include "ximajpg.h" + +#if CXIMAGE_SUPPORT_JPG + +#ifdef _LINUX + #include +#else + #include "../jpeg/jmorecfg.h" +#endif + +#include "ximaiter.h" + +#include + +struct jpg_error_mgr { + struct jpeg_error_mgr pub; /* "public" fields */ + jmp_buf setjmp_buffer; /* for return to caller */ + char* buffer; /* error message */ +}; +typedef jpg_error_mgr *jpg_error_ptr; + +//////////////////////////////////////////////////////////////////////////////// +// Here's the routine that will replace the standard error_exit method: +//////////////////////////////////////////////////////////////////////////////// +static void +ima_jpeg_error_exit (j_common_ptr cinfo) +{ + /* cinfo->err really points to a my_error_mgr struct, so coerce pointer */ + jpg_error_ptr myerr = (jpg_error_ptr) cinfo->err; + /* Create the message */ + myerr->pub.format_message (cinfo, myerr->buffer); + /* Send it to stderr, adding a newline */ + /* Return control to the setjmp point */ + longjmp(myerr->setjmp_buffer, 1); +} +//////////////////////////////////////////////////////////////////////////////// +CxImageJPG::CxImageJPG(): CxImage(CXIMAGE_FORMAT_JPG) +{ +#if CXIMAGEJPG_SUPPORT_EXIF + m_exif = NULL; + memset(&info.ExifInfo, 0, sizeof(EXIFINFO)); +#endif +} +//////////////////////////////////////////////////////////////////////////////// +CxImageJPG::~CxImageJPG() +{ +#if CXIMAGEJPG_SUPPORT_EXIF + if (m_exif) delete m_exif; +#endif +} +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGEJPG_SUPPORT_EXIF +bool CxImageJPG::DecodeExif(CxFile * hFile) +{ + m_exif = new CxExifInfo(&info.ExifInfo); + if (m_exif){ + int32_t pos=hFile->Tell(); + m_exif->DecodeExif(hFile); + hFile->Seek(pos,SEEK_SET); + return m_exif->m_exifinfo->IsExif; + } else { + return false; + } +} +//////////////////////////////////////////////////////////////////////////////// +bool CxImageJPG::GetExifThumbnail(const TCHAR *filename, const TCHAR *outname, int32_t type) +{ + CxIOFile file; + if (!file.Open(filename, _T("rb"))) return false; + CxExifInfo exif(&info.ExifInfo); + exif.DecodeExif(&file); + if (info.ExifInfo.IsExif && info.ExifInfo.ThumbnailPointer && info.ExifInfo.ThumbnailSize > 0) + { // have a thumbnail - check whether it needs rotating or resizing + // TODO: Write a fast routine to read the jpeg header to get the width and height + CxImage image(info.ExifInfo.ThumbnailPointer, info.ExifInfo.ThumbnailSize, CXIMAGE_FORMAT_JPG); + if (image.IsValid()) + { + if (image.GetWidth() > 256 || image.GetHeight() > 256) + { // resize the image +// float amount = 256.0f / max(image.GetWidth(), image.GetHeight()); +// image.Resample((int32_t)(image.GetWidth() * amount), (int32_t)(image.GetHeight() * amount), 0); + } + if (info.ExifInfo.Orientation != 1) + image.RotateExif(info.ExifInfo.Orientation); + return image.Save(outname, CXIMAGE_FORMAT_JPG); + } + // nice and fast, but we can't resize :( + /* + FILE *hFileWrite; + if ((hFileWrite=fopen(outname, "wb")) != NULL) + { + fwrite(m_exifinfo.ThumbnailPointer, m_exifinfo.ThumbnailSize, 1, hFileWrite); + fclose(hFileWrite); + return true; + }*/ + } + return false; +} +#endif //CXIMAGEJPG_SUPPORT_EXIF +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImageJPG::Decode(CxFile * hFile) +{ + + bool is_exif = false; +#if CXIMAGEJPG_SUPPORT_EXIF + is_exif = DecodeExif(hFile); +#endif + + CImageIterator iter(this); + /* This struct contains the JPEG decompression parameters and pointers to + * working space (which is allocated as needed by the JPEG library). + */ + struct jpeg_decompress_struct cinfo; + /* We use our private extension JPEG error handler. */ + struct jpg_error_mgr jerr; + jerr.buffer=info.szLastError; + /* More stuff */ + JSAMPARRAY buffer; /* Output row buffer */ + int32_t row_stride; /* physical row width in output buffer */ + + /* In this example we want to open the input file before doing anything else, + * so that the setjmp() error recovery below can assume the file is open. + * VERY IMPORTANT: use "b" option to fopen() if you are on a machine that + * requires it in order to read binary files. + */ + + /* Step 1: allocate and initialize JPEG decompression object */ + /* We set up the normal JPEG error routines, then override error_exit. */ + cinfo.err = jpeg_std_error(&jerr.pub); + jerr.pub.error_exit = ima_jpeg_error_exit; + + CxFileJpg src(hFile); + + /* Establish the setjmp return context for my_error_exit to use. */ + if (setjmp(jerr.setjmp_buffer)) { + /* If we get here, the JPEG code has signaled an error. + * We need to clean up the JPEG object, close the input file, and return. + */ + jpeg_destroy_decompress(&cinfo); + return 0; + } + /* Now we can initialize the JPEG decompression object. */ + jpeg_create_decompress(&cinfo); + + /* Step 2: specify data source (eg, a file) */ + //jpeg_stdio_src(&cinfo, infile); + cinfo.src = &src; + + /* Step 3: read file parameters with jpeg_read_header() */ + (void) jpeg_read_header(&cinfo, TRUE); + + /* Step 4 handle decoder options*/ + uint32_t dwCodecOptions = GetCodecOption(CXIMAGE_FORMAT_JPG); //[nm_114] + if ((dwCodecOptions & DECODE_GRAYSCALE) != 0) + cinfo.out_color_space = JCS_GRAYSCALE; + if ((dwCodecOptions & DECODE_QUANTIZE) != 0) { + cinfo.quantize_colors = TRUE; + cinfo.desired_number_of_colors = GetJpegQuality(); + } + if ((dwCodecOptions & DECODE_DITHER) != 0) + cinfo.dither_mode = m_nDither; + if ((dwCodecOptions & DECODE_ONEPASS) != 0) + cinfo.two_pass_quantize = FALSE; + if ((dwCodecOptions & DECODE_NOSMOOTH) != 0) + cinfo.do_fancy_upsampling = FALSE; + +//: Load true color images as RGB (no quantize) +/* Step 4: set parameters for decompression */ +/* if (cinfo.jpeg_color_space!=JCS_GRAYSCALE) { + * cinfo.quantize_colors = TRUE; + * cinfo.desired_number_of_colors = 128; + *} + */ // + + cinfo.scale_num = 1; + // Set the scale + cinfo.scale_denom = GetJpegScale(); + + // Borrowed the idea from GIF implementation + if (info.nEscape == -1) { + // Return output dimensions only + jpeg_calc_output_dimensions(&cinfo); + head.biWidth = cinfo.output_width; + head.biHeight = cinfo.output_height; + info.dwType = CXIMAGE_FORMAT_JPG; + jpeg_destroy_decompress(&cinfo); + return true; + } + + /* Step 5: Start decompressor */ + jpeg_start_decompress(&cinfo); + + /* We may need to do some setup of our own at this point before reading + * the data. After jpeg_start_decompress() we have the correct scaled + * output image dimensions available, as well as the output colormap + * if we asked for color quantization. + */ + //Create the image using output dimensions + //Create(cinfo.image_width, cinfo.image_height, 8*cinfo.output_components, CXIMAGE_FORMAT_JPG); + Create(cinfo.output_width, cinfo.output_height, 8*cinfo.output_components, CXIMAGE_FORMAT_JPG); + + if (!pDib) longjmp(jerr.setjmp_buffer, 1); // check if the image has been created + + if (is_exif){ +#if CXIMAGEJPG_SUPPORT_EXIF + if ((info.ExifInfo.Xresolution != 0.0) && (info.ExifInfo.ResolutionUnit != 0)) + SetXDPI((int32_t)(info.ExifInfo.Xresolution/info.ExifInfo.ResolutionUnit)); + if ((info.ExifInfo.Yresolution != 0.0) && (info.ExifInfo.ResolutionUnit != 0)) + SetYDPI((int32_t)(info.ExifInfo.Yresolution/info.ExifInfo.ResolutionUnit)); +#endif + } else { + switch (cinfo.density_unit) { + case 0: // [andy] fix for aspect ratio... + if((cinfo.Y_density > 0) && (cinfo.X_density > 0)){ + SetYDPI((int32_t)(GetXDPI()*(float(cinfo.Y_density)/float(cinfo.X_density)))); + } + break; + case 2: // [andy] fix: cinfo.X/Y_density is pixels per centimeter + SetXDPI((int32_t)floor(cinfo.X_density * 2.54 + 0.5)); + SetYDPI((int32_t)floor(cinfo.Y_density * 2.54 + 0.5)); + break; + default: + SetXDPI(cinfo.X_density); + SetYDPI(cinfo.Y_density); + } + } + + if (cinfo.out_color_space==JCS_GRAYSCALE){ + SetGrayPalette(); + head.biClrUsed =256; + } else { + if (cinfo.quantize_colors){ + SetPalette(cinfo.actual_number_of_colors, cinfo.colormap[0], cinfo.colormap[1], cinfo.colormap[2]); + head.biClrUsed=cinfo.actual_number_of_colors; + } else { + head.biClrUsed=0; + } + } + + /* JSAMPLEs per row in output buffer */ + row_stride = cinfo.output_width * cinfo.output_components; + + /* Make a one-row-high sample array that will go away when done with image */ + buffer = (*cinfo.mem->alloc_sarray) + ((j_common_ptr) &cinfo, JPOOL_IMAGE, row_stride, 1); + + /* Step 6: while (scan lines remain to be read) */ + /* jpeg_read_scanlines(...); */ + /* Here we use the library's state variable cinfo.output_scanline as the + * loop counter, so that we don't have to keep track ourselves. + */ + iter.Upset(); + while (cinfo.output_scanline < cinfo.output_height) { + + if (info.nEscape) longjmp(jerr.setjmp_buffer, 1); // - cancel decoding + + (void) jpeg_read_scanlines(&cinfo, buffer, 1); + // info.nProgress = (int32_t)(100*cinfo.output_scanline/cinfo.output_height); + // Step 6a: CMYK->RGB */ + if ((cinfo.num_components==4)&&(cinfo.quantize_colors==FALSE)){ + uint8_t k,*dst,*src; + dst=iter.GetRow(); + src=buffer[0]; + for(int32_t x3=0,x4=0; x3<(int32_t)info.dwEffWidth && x4 Step 7A: Swap red and blue components + // not necessary if swapped red and blue definition in jmorecfg.h;ln322 + if ((cinfo.num_components==3)&&(cinfo.quantize_colors==FALSE)){ + uint8_t* r0=GetBits(); + for(int32_t y=0;y - cancel decoding + RGBtoBGR(r0,3*head.biWidth); + r0+=info.dwEffWidth; + } + } + + /* Step 8: Release JPEG decompression object */ + /* This is an important step since it will release a good deal of memory. */ + jpeg_destroy_decompress(&cinfo); + + /* At this point you may want to check to see whether any corrupt-data + * warnings occurred (test whether jerr.pub.num_warnings is nonzero). + */ + + /* And we're done! */ + return true; +} +//////////////////////////////////////////////////////////////////////////////// +#endif //CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImageJPG::Encode(CxFile * hFile) +{ + if (EncodeSafeCheck(hFile)) return false; + + if (head.biClrUsed!=0 && !IsGrayScale()){ + strcpy(info.szLastError,"JPEG can save only RGB or GreyScale images"); + return false; + } + + // necessary for EXIF, and for roll backs + int32_t pos=hFile->Tell(); + + /* This struct contains the JPEG compression parameters and pointers to + * working space (which is allocated as needed by the JPEG library). + * It is possible to have several such structures, representing multiple + * compression/decompression processes, in existence at once. We refer + * to any one struct (and its associated working data) as a "JPEG object". + */ + struct jpeg_compress_struct cinfo; + /* This struct represents a JPEG error handler. It is declared separately + * because applications often want to supply a specialized error handler + * (see the second half of this file for an example). But here we just + * take the easy way out and use the standard error handler, which will + * print a message on stderr and call exit() if compression fails. + * Note that this struct must live as int32_t as the main JPEG parameter + * struct, to avoid dangling-pointer problems. + */ + //struct jpeg_error_mgr jerr; + /* We use our private extension JPEG error handler. */ + struct jpg_error_mgr jerr; + jerr.buffer=info.szLastError; + /* More stuff */ + int32_t row_stride; /* physical row width in image buffer */ + JSAMPARRAY buffer; /* Output row buffer */ + + /* Step 1: allocate and initialize JPEG compression object */ + /* We have to set up the error handler first, in case the initialization + * step fails. (Unlikely, but it could happen if you are out of memory.) + * This routine fills in the contents of struct jerr, and returns jerr's + * address which we place into the link field in cinfo. + */ + //cinfo.err = jpeg_std_error(&jerr); + /* We set up the normal JPEG error routines, then override error_exit. */ + cinfo.err = jpeg_std_error(&jerr.pub); + jerr.pub.error_exit = ima_jpeg_error_exit; + + /* Establish the setjmp return context for my_error_exit to use. */ + if (setjmp(jerr.setjmp_buffer)) { + /* If we get here, the JPEG code has signaled an error. + * We need to clean up the JPEG object, close the input file, and return. + */ + strcpy(info.szLastError, jerr.buffer); // + jpeg_destroy_compress(&cinfo); + return 0; + } + + /* Now we can initialize the JPEG compression object. */ + jpeg_create_compress(&cinfo); + /* Step 2: specify data destination (eg, a file) */ + /* Note: steps 2 and 3 can be done in either order. */ + /* Here we use the library-supplied code to send compressed data to a + * stdio stream. You can also write your own code to do something else. + * VERY IMPORTANT: use "b" option to fopen() if you are on a machine that + * requires it in order to write binary files. + */ + + //jpeg_stdio_dest(&cinfo, outfile); + CxFileJpg dest(hFile); + cinfo.dest = &dest; + + /* Step 3: set parameters for compression */ + /* First we supply a description of the input image. + * Four fields of the cinfo struct must be filled in: + */ + cinfo.image_width = GetWidth(); // image width and height, in pixels + cinfo.image_height = GetHeight(); + + if (IsGrayScale()){ + cinfo.input_components = 1; // # of color components per pixel + cinfo.in_color_space = JCS_GRAYSCALE; /* colorspace of input image */ + } else { + cinfo.input_components = 3; // # of color components per pixel + cinfo.in_color_space = JCS_RGB; /* colorspace of input image */ + } + + /* Now use the library's routine to set default compression parameters. + * (You must set at least cinfo.in_color_space before calling this, + * since the defaults depend on the source color space.) + */ + jpeg_set_defaults(&cinfo); + /* Now you can set any non-default parameters you wish to. + * Here we just illustrate the use of quality (quantization table) scaling: + */ + + uint32_t dwCodecOptions = GetCodecOption(CXIMAGE_FORMAT_JPG); //[nm_114] +//#ifdef C_ARITH_CODING_SUPPORTED + if ((dwCodecOptions & ENCODE_ARITHMETIC) != 0) + cinfo.arith_code = TRUE; +//#endif + +//#ifdef ENTROPY_OPT_SUPPORTED + if ((dwCodecOptions & ENCODE_OPTIMIZE) != 0) + cinfo.optimize_coding = TRUE; +//#endif + + if ((dwCodecOptions & ENCODE_GRAYSCALE) != 0) + jpeg_set_colorspace(&cinfo, JCS_GRAYSCALE); + + if ((dwCodecOptions & ENCODE_SMOOTHING) != 0) + cinfo.smoothing_factor = m_nSmoothing; + + jpeg_set_quality(&cinfo, GetJpegQuality(), (dwCodecOptions & ENCODE_BASELINE) != 0); + +//#ifdef C_PROGRESSIVE_SUPPORTED + if ((dwCodecOptions & ENCODE_PROGRESSIVE) != 0) + jpeg_simple_progression(&cinfo); +//#endif + +#ifdef C_LOSSLESS_SUPPORTED + if ((dwCodecOptions & ENCODE_LOSSLESS) != 0) + jpeg_simple_lossless(&cinfo, m_nPredictor, m_nPointTransform); +#endif + + //SetCodecOption(ENCODE_SUBSAMPLE_444 | GetCodecOption(CXIMAGE_FORMAT_JPG),CXIMAGE_FORMAT_JPG); + + // 2x2, 1x1, 1x1 (4:1:1) : High (default sub sampling) + cinfo.comp_info[0].h_samp_factor = 2; + cinfo.comp_info[0].v_samp_factor = 2; + cinfo.comp_info[1].h_samp_factor = 1; + cinfo.comp_info[1].v_samp_factor = 1; + cinfo.comp_info[2].h_samp_factor = 1; + cinfo.comp_info[2].v_samp_factor = 1; + + if ((dwCodecOptions & ENCODE_SUBSAMPLE_422) != 0){ + // 2x1, 1x1, 1x1 (4:2:2) : Medium + cinfo.comp_info[0].h_samp_factor = 2; + cinfo.comp_info[0].v_samp_factor = 1; + cinfo.comp_info[1].h_samp_factor = 1; + cinfo.comp_info[1].v_samp_factor = 1; + cinfo.comp_info[2].h_samp_factor = 1; + cinfo.comp_info[2].v_samp_factor = 1; + } + + if ((dwCodecOptions & ENCODE_SUBSAMPLE_444) != 0){ + // 1x1 1x1 1x1 (4:4:4) : None + cinfo.comp_info[0].h_samp_factor = 1; + cinfo.comp_info[0].v_samp_factor = 1; + cinfo.comp_info[1].h_samp_factor = 1; + cinfo.comp_info[1].v_samp_factor = 1; + cinfo.comp_info[2].h_samp_factor = 1; + cinfo.comp_info[2].v_samp_factor = 1; + } + + cinfo.density_unit=1; + cinfo.X_density=(uint16_t)GetXDPI(); + cinfo.Y_density=(uint16_t)GetYDPI(); + + /* Step 4: Start compressor */ + /* TRUE ensures that we will write a complete interchange-JPEG file. + * Pass TRUE unless you are very sure of what you're doing. + */ + jpeg_start_compress(&cinfo, TRUE); + + /* Step 5: while (scan lines remain to be written) */ + /* jpeg_write_scanlines(...); */ + /* Here we use the library's state variable cinfo.next_scanline as the + * loop counter, so that we don't have to keep track ourselves. + * To keep things simple, we pass one scanline per call; you can pass + * more if you wish, though. + */ + row_stride = info.dwEffWidth; /* JSAMPLEs per row in image_buffer */ + + // "8+row_stride" fix heap deallocation problem during debug??? + buffer = (*cinfo.mem->alloc_sarray) + ((j_common_ptr) &cinfo, JPOOL_IMAGE, 8+row_stride, 1); + + CImageIterator iter(this); + + iter.Upset(); + while (cinfo.next_scanline < cinfo.image_height) { + // info.nProgress = (int32_t)(100*cinfo.next_scanline/cinfo.image_height); + iter.GetRow(buffer[0], row_stride); + // not necessary if swapped red and blue definition in jmorecfg.h;ln322 + if (head.biClrUsed==0){ // swap R & B for RGB images + RGBtoBGR(buffer[0], row_stride); // Lance : 1998/09/01 : Bug ID: EXP-2.1.1-9 + } + iter.PrevRow(); + (void) jpeg_write_scanlines(&cinfo, buffer, 1); + } + + /* Step 6: Finish compression */ + jpeg_finish_compress(&cinfo); + + /* Step 7: release JPEG compression object */ + /* This is an important step since it will release a good deal of memory. */ + jpeg_destroy_compress(&cinfo); + + +#if CXIMAGEJPG_SUPPORT_EXIF + if (m_exif && m_exif->m_exifinfo->IsExif){ + // discard useless sections (if any) read from original image + m_exif->DiscardAllButExif(); + // read new created image, to split the sections + hFile->Seek(pos,SEEK_SET); + m_exif->DecodeExif(hFile,EXIF_READ_IMAGE); + // save back the image, adding EXIF section + hFile->Seek(pos,SEEK_SET); + m_exif->EncodeExif(hFile); + } +#endif + + + /* And we're done! */ + return true; +} +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_JPG + diff --git a/smelt/glfw/CxImage/ximajpg.h b/smelt/glfw/CxImage/ximajpg.h new file mode 100644 index 0000000..023bf61 --- /dev/null +++ b/smelt/glfw/CxImage/ximajpg.h @@ -0,0 +1,283 @@ +/* + * File: ximajpg.h + * Purpose: JPG Image Class Loader and Writer + */ +/* ========================================================== + * CxImageJPG (c) 07/Aug/2001 Davide Pizzolato - www.xdp.it + * For conditions of distribution and use, see copyright notice in ximage.h + * + * Special thanks to Troels Knakkergaard for new features, enhancements and bugfixes + * + * Special thanks to Chris Shearer Cooper for CxFileJpg tips & code + * + * EXIF support based on jhead-1.8 by Matthias Wandel + * + * original CImageJPG and CImageIterator implementation are: + * Copyright: (c) 1995, Alejandro Aguilar Sierra + * + * This software is based in part on the work of the Independent JPEG Group. + * Copyright (C) 1991-1998, Thomas G. Lane. + * ========================================================== + */ +#if !defined(__ximaJPEG_h) +#define __ximaJPEG_h + +#include "ximage.h" + +#if CXIMAGE_SUPPORT_JPG + +#define CXIMAGEJPG_SUPPORT_EXIF CXIMAGE_SUPPORT_EXIF + +extern "C" { +#ifdef _LINUX + #include + #include +#else + #include "jpeg/jpeglib.h" + #include "jpeg/jerror.h" +#endif +} + +class DLL_EXP CxImageJPG: public CxImage +{ +public: + CxImageJPG(); + ~CxImageJPG(); + +// bool Load(const TCHAR * imageFileName){ return CxImage::Load(imageFileName,CXIMAGE_FORMAT_JPG);} +// bool Save(const TCHAR * imageFileName){ return CxImage::Save(imageFileName,CXIMAGE_FORMAT_JPG);} + bool Decode(CxFile * hFile); + bool Decode(FILE *hFile) { CxIOFile file(hFile); return Decode(&file); } + +#if CXIMAGE_SUPPORT_ENCODE + bool Encode(CxFile * hFile); + bool Encode(FILE *hFile) { CxIOFile file(hFile); return Encode(&file); } +#endif // CXIMAGE_SUPPORT_ENCODE + +/* + * EXIF support based on jhead-1.8 by Matthias Wandel + */ + +#if CXIMAGEJPG_SUPPORT_EXIF + +//-------------------------------------------------------------------------- +// JPEG markers consist of one or more 0xFF bytes, followed by a marker +// code byte (which is not an FF). Here are the marker codes of interest +// in this program. (See jdmarker.c for a more complete list.) +//-------------------------------------------------------------------------- + +#define M_SOF0 0xC0 // Start Of Frame N +#define M_SOF1 0xC1 // N indicates which compression process +#define M_SOF2 0xC2 // Only SOF0-SOF2 are now in common use +#define M_SOF3 0xC3 +#define M_SOF5 0xC5 // NB: codes C4 and CC are NOT SOF markers +#define M_SOF6 0xC6 +#define M_SOF7 0xC7 +#define M_SOF9 0xC9 +#define M_SOF10 0xCA +#define M_SOF11 0xCB +#define M_SOF13 0xCD +#define M_SOF14 0xCE +#define M_SOF15 0xCF +#define M_SOI 0xD8 // Start Of Image (beginning of datastream) +#define M_EOI 0xD9 // End Of Image (end of datastream) +#define M_SOS 0xDA // Start Of Scan (begins compressed data) +#define M_JFIF 0xE0 // Jfif marker +#define M_EXIF 0xE1 // Exif marker +#define M_COM 0xFE // COMment + +#define PSEUDO_IMAGE_MARKER 0x123; // Extra value. + +#define EXIF_READ_EXIF 0x01 +#define EXIF_READ_IMAGE 0x02 +#define EXIF_READ_ALL 0x03 + +class DLL_EXP CxExifInfo +{ + +typedef struct tag_Section_t{ + uint8_t* Data; + int32_t Type; + unsigned Size; +} Section_t; + +public: + EXIFINFO* m_exifinfo; + char m_szLastError[256]; + CxExifInfo(EXIFINFO* info = NULL); + ~CxExifInfo(); + bool DecodeExif(CxFile * hFile, int32_t nReadMode = EXIF_READ_EXIF); + bool EncodeExif(CxFile * hFile); + void DiscardAllButExif(); +protected: + bool process_EXIF(uint8_t * CharBuf, uint32_t length); + void process_COM (const uint8_t * Data, int32_t length); + void process_SOFn (const uint8_t * Data, int32_t marker); + int32_t Get16u(void * Short); + int32_t Get16m(void * Short); + int32_t Get32s(void * Long); + uint32_t Get32u(void * Long); + double ConvertAnyFormat(void * ValuePtr, int32_t Format); + void* FindSection(int32_t SectionType); + bool ProcessExifDir(uint8_t * DirStart, uint8_t * OffsetBase, unsigned ExifLength, + EXIFINFO * const pInfo, uint8_t ** const LastExifRefdP, int32_t NestingLevel=0); + int32_t ExifImageWidth; + int32_t MotorolaOrder; + Section_t Sections[MAX_SECTIONS]; + int32_t SectionsRead; + bool freeinfo; +}; + + CxExifInfo* m_exif; + bool DecodeExif(CxFile * hFile); + bool DecodeExif(FILE * hFile) { CxIOFile file(hFile); return DecodeExif(&file); } + bool GetExifThumbnail(const TCHAR *filename, const TCHAR *outname, int32_t type); + +#endif //CXIMAGEJPG_SUPPORT_EXIF + +//////////////////////////////////////////////////////////////////////////////////////// +////////////////////// C x F i l e J p g //////////////////////////////// +//////////////////////////////////////////////////////////////////////////////////////// + +// thanks to Chris Shearer Cooper +class CxFileJpg : public jpeg_destination_mgr, public jpeg_source_mgr + { +public: + enum { eBufSize = 4096 }; + + CxFileJpg(CxFile* pFile) + { + m_pFile = pFile; + + init_destination = InitDestination; + empty_output_buffer = EmptyOutputBuffer; + term_destination = TermDestination; + + init_source = InitSource; + fill_input_buffer = FillInputBuffer; + skip_input_data = SkipInputData; + resync_to_restart = jpeg_resync_to_restart; // use default method + term_source = TermSource; + next_input_byte = NULL; //* => next byte to read from buffer + bytes_in_buffer = 0; //* # of bytes remaining in buffer + + m_pBuffer = new uint8_t[eBufSize]; + } + ~CxFileJpg() + { + delete [] m_pBuffer; + } + + static void InitDestination(j_compress_ptr cinfo) + { + CxFileJpg* pDest = (CxFileJpg*)cinfo->dest; + pDest->next_output_byte = pDest->m_pBuffer; + pDest->free_in_buffer = eBufSize; + } + + static boolean EmptyOutputBuffer(j_compress_ptr cinfo) + { + CxFileJpg* pDest = (CxFileJpg*)cinfo->dest; + if (pDest->m_pFile->Write(pDest->m_pBuffer,1,eBufSize)!=(size_t)eBufSize) + ERREXIT(cinfo, JERR_FILE_WRITE); + pDest->next_output_byte = pDest->m_pBuffer; + pDest->free_in_buffer = eBufSize; + return TRUE; + } + + static void TermDestination(j_compress_ptr cinfo) + { + CxFileJpg* pDest = (CxFileJpg*)cinfo->dest; + size_t datacount = eBufSize - pDest->free_in_buffer; + /* Write any data remaining in the buffer */ + if (datacount > 0) { + if (!pDest->m_pFile->Write(pDest->m_pBuffer,1,datacount)) + ERREXIT(cinfo, JERR_FILE_WRITE); + } + pDest->m_pFile->Flush(); + /* Make sure we wrote the output file OK */ + if (pDest->m_pFile->Error()) ERREXIT(cinfo, JERR_FILE_WRITE); + return; + } + + static void InitSource(j_decompress_ptr cinfo) + { + CxFileJpg* pSource = (CxFileJpg*)cinfo->src; + pSource->m_bStartOfFile = TRUE; + } + + static boolean FillInputBuffer(j_decompress_ptr cinfo) + { + size_t nbytes; + CxFileJpg* pSource = (CxFileJpg*)cinfo->src; + nbytes = pSource->m_pFile->Read(pSource->m_pBuffer,1,eBufSize); + if (nbytes <= 0){ + if (pSource->m_bStartOfFile) //* Treat empty input file as fatal error + ERREXIT(cinfo, JERR_INPUT_EMPTY); + WARNMS(cinfo, JWRN_JPEG_EOF); + // Insert a fake EOI marker + pSource->m_pBuffer[0] = (JOCTET) 0xFF; + pSource->m_pBuffer[1] = (JOCTET) JPEG_EOI; + nbytes = 2; + } + pSource->next_input_byte = pSource->m_pBuffer; + pSource->bytes_in_buffer = nbytes; + pSource->m_bStartOfFile = FALSE; + return TRUE; + } + + static void SkipInputData(j_decompress_ptr cinfo, long num_bytes) + { + CxFileJpg* pSource = (CxFileJpg*)cinfo->src; + if (num_bytes > 0){ + while (num_bytes > (int32_t)pSource->bytes_in_buffer){ + num_bytes -= (int32_t)pSource->bytes_in_buffer; + FillInputBuffer(cinfo); + // note we assume that fill_input_buffer will never return FALSE, + // so suspension need not be handled. + } + pSource->next_input_byte += (size_t) num_bytes; + pSource->bytes_in_buffer -= (size_t) num_bytes; + } + } + + static void TermSource(j_decompress_ptr /*cinfo*/) + { + return; + } +protected: + CxFile *m_pFile; + uint8_t *m_pBuffer; + bool m_bStartOfFile; +}; + +public: + enum CODEC_OPTION + { + ENCODE_BASELINE = 0x1, + ENCODE_ARITHMETIC = 0x2, + ENCODE_GRAYSCALE = 0x4, + ENCODE_OPTIMIZE = 0x8, + ENCODE_PROGRESSIVE = 0x10, + ENCODE_LOSSLESS = 0x20, + ENCODE_SMOOTHING = 0x40, + DECODE_GRAYSCALE = 0x80, + DECODE_QUANTIZE = 0x100, + DECODE_DITHER = 0x200, + DECODE_ONEPASS = 0x400, + DECODE_NOSMOOTH = 0x800, + ENCODE_SUBSAMPLE_422 = 0x1000, + ENCODE_SUBSAMPLE_444 = 0x2000 + }; + + int32_t m_nPredictor; + int32_t m_nPointTransform; + int32_t m_nSmoothing; + int32_t m_nQuantize; + J_DITHER_MODE m_nDither; + +}; + +#endif + +#endif diff --git a/smelt/glfw/CxImage/ximalpha.cpp b/smelt/glfw/CxImage/ximalpha.cpp new file mode 100644 index 0000000..2932068 --- /dev/null +++ b/smelt/glfw/CxImage/ximalpha.cpp @@ -0,0 +1,367 @@ +// xImalpha.cpp : Alpha channel functions +/* 07/08/2001 v1.00 - Davide Pizzolato - www.xdp.it + * CxImage version 7.0.0 31/Dec/2010 + */ + +#include "ximage.h" + +#if CXIMAGE_SUPPORT_ALPHA + +//////////////////////////////////////////////////////////////////////////////// +/** + * \sa AlphaSetMax + */ +uint8_t CxImage::AlphaGetMax() const +{ + return info.nAlphaMax; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Sets global Alpha (opacity) value applied to the whole image, + * valid only for painting functions. + * \param nAlphaMax: can be from 0 to 255 + */ +void CxImage::AlphaSetMax(uint8_t nAlphaMax) +{ + info.nAlphaMax=nAlphaMax; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Checks if the image has a valid alpha channel. + */ +bool CxImage::AlphaIsValid() +{ + return pAlpha!=0; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Enables the alpha palette, so the Draw() function changes its behavior. + */ +void CxImage::AlphaPaletteEnable(bool enable) +{ + info.bAlphaPaletteEnabled=enable; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * True if the alpha palette is enabled for painting. + */ +bool CxImage::AlphaPaletteIsEnabled() +{ + return info.bAlphaPaletteEnabled; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Sets the alpha channel to full transparent. AlphaSet(0) has the same effect + */ +void CxImage::AlphaClear() +{ + if (pAlpha) memset(pAlpha,0,head.biWidth * head.biHeight); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Sets the alpha level for the whole image. + * \param level : from 0 (transparent) to 255 (opaque) + */ +void CxImage::AlphaSet(uint8_t level) +{ + if (pAlpha) memset(pAlpha,level,head.biWidth * head.biHeight); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Allocates an empty (opaque) alpha channel. + */ +bool CxImage::AlphaCreate() +{ + if (pAlpha==NULL) { + pAlpha = (uint8_t*)malloc(head.biWidth * head.biHeight); + if (pAlpha) memset(pAlpha,255,head.biWidth * head.biHeight); + } + return (pAlpha!=0); +} +//////////////////////////////////////////////////////////////////////////////// +void CxImage::AlphaDelete() +{ + if (pAlpha) { free(pAlpha); pAlpha=0; } +} +//////////////////////////////////////////////////////////////////////////////// +void CxImage::AlphaInvert() +{ + if (pAlpha) { + uint8_t *iSrc=pAlpha; + int32_t n=head.biHeight*head.biWidth; + for(int32_t i=0; i < n; i++){ + *iSrc=(uint8_t)~(*(iSrc)); + iSrc++; + } + } +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Imports an existing alpa channel from another image with the same width and height. + */ +bool CxImage::AlphaCopy(CxImage &from) +{ + if (from.pAlpha == NULL || head.biWidth != from.head.biWidth || head.biHeight != from.head.biHeight) return false; + if (pAlpha==NULL) pAlpha = (uint8_t*)malloc(head.biWidth * head.biHeight); + if (pAlpha==NULL) return false; + memcpy(pAlpha,from.pAlpha,head.biWidth * head.biHeight); + info.nAlphaMax=from.info.nAlphaMax; + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Creates the alpha channel from a gray scale image. + */ +bool CxImage::AlphaSet(CxImage &from) +{ + if (!from.IsGrayScale() || head.biWidth != from.head.biWidth || head.biHeight != from.head.biHeight) return false; + if (pAlpha==NULL) pAlpha = (uint8_t*)malloc(head.biWidth * head.biHeight); + uint8_t* src = from.info.pImage; + uint8_t* dst = pAlpha; + if (src==NULL || dst==NULL) return false; + for (int32_t y=0; y>8); + c.rgbGreen = (uint8_t)((c.rgbGreen * a + a1 * info.nBkgndColor.rgbGreen)>>8); + c.rgbRed = (uint8_t)((c.rgbRed * a + a1 * info.nBkgndColor.rgbRed)>>8); + BlindSetPixelColor(x,y,c); + } + } + AlphaDelete(); + } else { + CxImage tmp(head.biWidth,head.biHeight,24); + if (!tmp.IsValid()){ + strcpy(info.szLastError,tmp.GetLastError()); + return; + } + + for(int32_t y=0; y>8); + c.rgbGreen = (uint8_t)((c.rgbGreen * a + a1 * info.nBkgndColor.rgbGreen)>>8); + c.rgbRed = (uint8_t)((c.rgbRed * a + a1 * info.nBkgndColor.rgbRed)>>8); + tmp.BlindSetPixelColor(x,y,c); + } + } + Transfer(tmp); + } + return; +} +//////////////////////////////////////////////////////////////////////////////// +bool CxImage::AlphaFlip() +{ + if (!pAlpha) return false; + + uint8_t *buff = (uint8_t*)malloc(head.biWidth); + if (!buff) return false; + + uint8_t *iSrc,*iDst; + iSrc = pAlpha + (head.biHeight-1)*head.biWidth; + iDst = pAlpha; + for (int32_t i=0; i<(head.biHeight/2); ++i) + { + memcpy(buff, iSrc, head.biWidth); + memcpy(iSrc, iDst, head.biWidth); + memcpy(iDst, buff, head.biWidth); + iSrc-=head.biWidth; + iDst+=head.biWidth; + } + + free(buff); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +bool CxImage::AlphaMirror() +{ + if (!pAlpha) return false; + uint8_t* pAlpha2 = (uint8_t*)malloc(head.biWidth * head.biHeight); + if (!pAlpha2) return false; + uint8_t *iSrc,*iDst; + int32_t wdt=head.biWidth-1; + iSrc=pAlpha + wdt; + iDst=pAlpha2; + for(int32_t y=0; y < head.biHeight; y++){ + for(int32_t x=0; x <= wdt; x++) + *(iDst+x)=*(iSrc-x); + iSrc+=head.biWidth; + iDst+=head.biWidth; + } + free(pAlpha); + pAlpha=pAlpha2; + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Exports the alpha channel in a 8bpp grayscale image. + */ +bool CxImage::AlphaSplit(CxImage *dest) +{ + if (!pAlpha || !dest) return false; + + CxImage tmp(head.biWidth,head.biHeight,8); + if (!tmp.IsValid()){ + strcpy(info.szLastError,tmp.GetLastError()); + return false; + } + + uint8_t* src = pAlpha; + uint8_t* dst = tmp.info.pImage; + for (int32_t y=0; yTransfer(tmp); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Exports the alpha palette channel in a 8bpp grayscale image. + */ +bool CxImage::AlphaPaletteSplit(CxImage *dest) +{ + if (!AlphaPaletteIsValid() || !dest) return false; + + CxImage tmp(head.biWidth,head.biHeight,8); + if (!tmp.IsValid()){ + strcpy(info.szLastError,tmp.GetLastError()); + return false; + } + + for(int32_t y=0; yTransfer(tmp); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Merge in the alpha layer the transparent color mask + * (previously set with SetTransColor or SetTransIndex) + */ +bool CxImage::AlphaFromTransparency() +{ + if (!IsValid() || !IsTransparent()) + return false; + + AlphaCreate(); + + for(int32_t y=0; y info.nNumLayers ) position = info.nNumLayers; + + CxImage** ptmp = new CxImage*[info.nNumLayers + 1]; + if (ptmp==0) return false; + + int32_t i=0; + for (int32_t n=0; ninfo.pParent = this; + } else { + free(ptmp); + return false; + } + + info.nNumLayers++; + delete [] ppLayers; + ppLayers = ptmp; + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Deletes a layer. If position is less than 0, the last layer will be deleted + */ +bool CxImage::LayerDelete(int32_t position) +{ + if ( position >= info.nNumLayers ) return false; + if ( position < 0) position = info.nNumLayers - 1; + if ( position < 0) return false; + + if (info.nNumLayers>1){ + + CxImage** ptmp = new CxImage*[info.nNumLayers - 1]; + if (ptmp==0) return false; + + int32_t i=0; + for (int32_t n=0; n= info.nNumLayers ) return NULL; + if ( position < 0) position = info.nNumLayers - 1; + return ppLayers[position]; +} +//////////////////////////////////////////////////////////////////////////////// +#endif //CXIMAGE_SUPPORT_LAYERS diff --git a/smelt/glfw/CxImage/ximamng.cpp b/smelt/glfw/CxImage/ximamng.cpp new file mode 100644 index 0000000..d5ea82e --- /dev/null +++ b/smelt/glfw/CxImage/ximamng.cpp @@ -0,0 +1,430 @@ +/* + * File: ximamng.cpp + * Purpose: Platform Independent MNG Image Class Loader and Writer + * Author: 07/Aug/2001 Davide Pizzolato - www.xdp.it + * CxImage version 7.0.0 31/Dec/2010 + */ + +#include "ximamng.h" + +#if CXIMAGE_SUPPORT_MNG + +//////////////////////////////////////////////////////////////////////////////// +// callbacks for the mng decoder: +//////////////////////////////////////////////////////////////////////////////// + +//////////////////////////////////////////////////////////////////////////////// +// memory allocation; data must be zeroed +static mng_ptr +mymngalloc( mng_size_t size ) +{ + return (mng_ptr)calloc(1, size); +} + +//////////////////////////////////////////////////////////////////////////////// +// memory deallocation +static void mymngfree(mng_ptr p, mng_size_t size) +{ + free(p); +} + +//////////////////////////////////////////////////////////////////////////////// +// Stream open/close: +// since the user is responsible for opening and closing the file, +// we leave the default implementation open +static mng_bool mymngopenstream(mng_handle mng) { return MNG_TRUE; } +static mng_bool mymngopenstreamwrite(mng_handle mng) { return MNG_TRUE; } +static mng_bool mymngclosestream(mng_handle mng) { return MNG_TRUE; } + +//////////////////////////////////////////////////////////////////////////////// +// feed data to the decoder +static mng_bool mymngreadstream(mng_handle mng, mng_ptr buffer, mng_uint32 size, mng_uint32 *bytesread) +{ + mngstuff *mymng = (mngstuff *)mng_get_userdata(mng); + // read the requested amount of data from the file + *bytesread = mymng->file->Read( buffer, sizeof(uint8_t), size); + return MNG_TRUE; +} + +//////////////////////////////////////////////////////////////////////////////// +static mng_bool mymngwritestream (mng_handle mng, mng_ptr pBuf, mng_uint32 iSize, mng_uint32 *iWritten) +{ + mngstuff *mymng = (mngstuff *)mng_get_userdata(mng); + // write it + *iWritten = mymng->file->Write (pBuf, 1, iSize); + return MNG_TRUE; +} + +//////////////////////////////////////////////////////////////////////////////// +// the header's been read. set up the display stuff +static mng_bool mymngprocessheader( mng_handle mng, mng_uint32 width, mng_uint32 height ) +{ + // normally the image buffer is allocated here, + // but in this module we don't know nothing about + // the final environment. + + mngstuff *mymng = (mngstuff *)mng_get_userdata(mng); + + mymng->width = width; + mymng->height = height; + mymng->bpp = 24; + mymng->effwdt = ((((width * mymng->bpp) + 31) >> 5) << 2); + + if (mng->bUseBKGD){ + mymng->nBkgndIndex = 0; + mymng->nBkgndColor.rgbRed = mng->iBGred >> 8; + mymng->nBkgndColor.rgbGreen =mng->iBGgreen >> 8; + mymng->nBkgndColor.rgbBlue = mng->iBGblue >> 8; + } + + mymng->image = (uint8_t*)malloc(height * mymng->effwdt); + + // tell the mng decoder about our bit-depth choice +#if CXIMAGE_SUPPORT_ALPHA + mng_set_canvasstyle( mng, MNG_CANVAS_RGB8_A8 ); + mymng->alpha = (uint8_t*)malloc(height * width); +#else + mng_set_canvasstyle( mng, MNG_CANVAS_BGR8); + mymng->alpha = NULL; +#endif + return MNG_TRUE; +} + +//////////////////////////////////////////////////////////////////////////////// +// return a row pointer for the decoder to fill +static mng_ptr mymnggetcanvasline( mng_handle mng, mng_uint32 line ) +{ + mngstuff *mymng = (mngstuff *)mng_get_userdata(mng); + return (mng_ptr)(mymng->image + (mymng->effwdt * (mymng->height - 1 - line))); +} +//////////////////////////////////////////////////////////////////////////////// +// return a row pointer for the decoder to fill for alpha channel +static mng_ptr mymnggetalphaline( mng_handle mng, mng_uint32 line ) +{ + mngstuff *mymng = (mngstuff *)mng_get_userdata(mng); + return (mng_ptr)(mymng->alpha + (mymng->width * (mymng->height - 1 - line))); +} + +//////////////////////////////////////////////////////////////////////////////// +// timer +static mng_uint32 mymnggetticks(mng_handle mng) +{ +#ifdef WIN32 + return (mng_uint32)GetTickCount(); +#else + return 0; +#endif +} + +//////////////////////////////////////////////////////////////////////////////// +// Refresh: actual frame need to be updated (Invalidate) +static mng_bool mymngrefresh(mng_handle mng, mng_uint32 x, mng_uint32 y, mng_uint32 w, mng_uint32 h) +{ +// mngstuff *mymng = (mngstuff *)mng_get_userdata(mng); + return MNG_TRUE; +} + +//////////////////////////////////////////////////////////////////////////////// +// interframe delay callback +static mng_bool mymngsettimer(mng_handle mng, mng_uint32 msecs) +{ + mngstuff *mymng = (mngstuff *)mng_get_userdata(mng); + mymng->delay = msecs; // set the timer for when the decoder wants to be woken + return MNG_TRUE; +} + +//////////////////////////////////////////////////////////////////////////////// +static mng_bool mymngerror(mng_handle mng, mng_int32 code, mng_int8 severity, mng_chunkid chunktype, mng_uint32 chunkseq, mng_int32 extra1, mng_int32 extra2, mng_pchar text) +{ + return mng_cleanup(&mng); // +} + +//////////////////////////////////////////////////////////////////////////////// +// CxImage members +//////////////////////////////////////////////////////////////////////////////// +CxImageMNG::CxImageMNG(): CxImage(CXIMAGE_FORMAT_MNG) +{ + hmng = NULL; + memset(&mnginfo,0,sizeof(mngstuff)); + mnginfo.nBkgndIndex = -1; + mnginfo.speed = 1.0f; +} +//////////////////////////////////////////////////////////////////////////////// +CxImageMNG::~CxImageMNG() +{ + // cleanup and return + if (mnginfo.thread){ //close the animation thread + mnginfo.animation_enabled=0; + ResumeThread(mnginfo.thread); + WaitForSingleObject(mnginfo.thread,500); + CloseHandle(mnginfo.thread); + } + // free objects + if (mnginfo.image) free(mnginfo.image); + if (mnginfo.alpha) free(mnginfo.alpha); + if (hmng) mng_cleanup(&hmng); //be sure it's not needed any more. (active timers ?) +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageMNG::SetCallbacks(mng_handle mng) +{ + // set the callbacks + mng_setcb_errorproc(mng, mymngerror); + mng_setcb_openstream(mng, mymngopenstream); + mng_setcb_closestream(mng, mymngclosestream); + mng_setcb_readdata(mng, mymngreadstream); + mng_setcb_processheader(mng, mymngprocessheader); + mng_setcb_getcanvasline(mng, mymnggetcanvasline); + mng_setcb_refresh(mng, mymngrefresh); + mng_setcb_gettickcount(mng, mymnggetticks); + mng_setcb_settimer(mng, mymngsettimer); + mng_setcb_refresh(mng, mymngrefresh); + mng_setcb_getalphaline(mng, mymnggetalphaline); +} +//////////////////////////////////////////////////////////////////////////////// +// can't use the CxImage implementation because it looses mnginfo +bool CxImageMNG::Load(const TCHAR * imageFileName){ + FILE* hFile; //file handle to read the image +#ifdef WIN32 + if ((hFile=_tfopen(imageFileName,_T("rb")))==NULL) return false; // For UNICODE support +#else + if ((hFile=fopen(imageFileName,"rb"))==NULL) return false; +#endif + bool bOK = Decode(hFile); + fclose(hFile); + return bOK; +} +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImageMNG::Decode(CxFile *hFile) +{ + if (hFile == NULL) return false; + + cx_try + { + // set up the mng decoder for our stream + hmng = mng_initialize(&mnginfo, (mng_memalloc)mymngalloc, (mng_memfree)mymngfree, MNG_NULL); + if (hmng == NULL) cx_throw("could not initialize libmng"); + + // set the file we want to play + mnginfo.file = hFile; + + // Set the colorprofile, lcms uses this: + mng_set_srgb(hmng, MNG_TRUE ); + // Set white as background color: + uint16_t Red,Green,Blue; + Red = Green = Blue = (255 << 8) + 255; + mng_set_bgcolor(hmng, Red, Green, Blue ); + // If PNG Background is available, use it: + mng_set_usebkgd(hmng, MNG_TRUE ); + + // No need to store chunks: + mng_set_storechunks(hmng, MNG_FALSE); + // No need to wait: straight reading + mng_set_suspensionmode(hmng, MNG_FALSE); + + SetCallbacks(hmng); + + mng_datap pData = (mng_datap)hmng; + + // read in the image + info.nNumFrames=0; + int32_t retval=MNG_NOERROR; + + retval = mng_readdisplay(hmng); + + if (retval != MNG_NOERROR && retval != MNG_NEEDTIMERWAIT){ + mng_store_error(hmng,retval,0,0); + if (hmng->zErrortext){ + cx_throw(hmng->zErrortext); + } else { + cx_throw("Error in MNG file"); + } + } + + if (info.nEscape == -1) { + // Return output dimensions only + head.biWidth = hmng->iWidth; + head.biHeight = hmng->iHeight; + info.dwType = CXIMAGE_FORMAT_MNG; + return true; + } + + // read all + while(pData->bReading){ + retval = mng_display_resume(hmng); + info.nNumFrames++; + } + + // single frame check: + if (retval != MNG_NEEDTIMERWAIT){ + info.nNumFrames--; + } else { + mnginfo.animation=1; + } + + if (info.nNumFrames<=0) info.nNumFrames=1; + + if (mnginfo.animation_enabled==0){ + // select the frame + if (info.nFrame>=0 && info.nFrame= 0){ + info.nBkgndIndex = mnginfo.nBkgndIndex; + info.nBkgndColor.rgbRed = mnginfo.nBkgndColor.rgbRed; + info.nBkgndColor.rgbGreen = mnginfo.nBkgndColor.rgbGreen; + info.nBkgndColor.rgbBlue = mnginfo.nBkgndColor.rgbBlue; + } + + //store the newly created image + if (Create(mnginfo.width,mnginfo.height,mnginfo.bpp, CXIMAGE_FORMAT_MNG)){ + memcpy(GetBits(), mnginfo.image, info.dwEffWidth * head.biHeight); +#if CXIMAGE_SUPPORT_ALPHA + SwapRGB2BGR(); + AlphaCreate(); + if(AlphaIsValid() && mnginfo.alpha){ + memcpy(AlphaGetPointer(),mnginfo.alpha,mnginfo.width * mnginfo.height); + } +#endif + } else cx_throw("CxImageMNG::Decode cannot create image"); + + + } cx_catch { + if (strcmp(message,"")) strncpy(info.szLastError,message,255); + return false; + } + return true; +} +//////////////////////////////////////////////////////////////////////////////// +#endif //CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImageMNG::Encode(CxFile *hFile) +{ + if (EncodeSafeCheck(hFile)) return false; + + cx_try + { + if (head.biClrUsed != 0) cx_throw("MNG encoder can save only RGB images"); + // set the file we want to play + mnginfo.file = hFile; + mnginfo.bpp = head.biBitCount; + mnginfo.effwdt = info.dwEffWidth; + mnginfo.height = head.biHeight; + mnginfo.width = head.biWidth; + + mnginfo.image = (uint8_t*)malloc(head.biSizeImage); + if (mnginfo.image == NULL) cx_throw("could not allocate memory for MNG"); + memcpy(mnginfo.image,info.pImage, head.biSizeImage); + + // set up the mng decoder for our stream + hmng = mng_initialize(&mnginfo, (mng_memalloc)mymngalloc, (mng_memfree)mymngfree, MNG_NULL); + if (hmng == NULL) cx_throw("could not initialize libmng"); + + mng_setcb_openstream(hmng, mymngopenstreamwrite ); + mng_setcb_closestream(hmng, mymngclosestream); + mng_setcb_writedata(hmng, mymngwritestream); + + // Write File: + mng_create(hmng); + // Just a single Frame (save a normal PNG): + WritePNG(hmng, 0, 1 ); + // Now write file: + mng_write(hmng); + + } cx_catch { + if (strcmp(message,"")) strncpy(info.szLastError,message,255); + return false; + } + return true; +} +//////////////////////////////////////////////////////////////////////////////// +// Writes a single PNG datastream +void CxImageMNG::WritePNG( mng_handle hMNG, int32_t Frame, int32_t FrameCount ) +{ + mngstuff *mymng = (mngstuff *)mng_get_userdata(hMNG); + + int32_t OffsetX=0,OffsetY=0,OffsetW=mymng->width,OffsetH=mymng->height; + + uint8_t *tmpbuffer = new uint8_t[ (mymng->effwdt+1) * mymng->height]; + if( tmpbuffer == 0 ) return; + + // Write DEFI chunk. + mng_putchunk_defi( hMNG, 0, 0, 0, MNG_TRUE, OffsetX, OffsetY, MNG_FALSE, 0, 0, 0, 0 ); + + // Write Header: + mng_putchunk_ihdr( + hMNG, + OffsetW, OffsetH, + MNG_BITDEPTH_8, + MNG_COLORTYPE_RGB, + MNG_COMPRESSION_DEFLATE, + MNG_FILTER_ADAPTIVE, + MNG_INTERLACE_NONE + ); + + // transfer data, add Filterbyte: + for( int32_t Row=0; Row No Filter. + tmpbuffer[Row*(mymng->effwdt+1)]=0; + // Copy the scanline: (reverse order) + memcpy(tmpbuffer+Row*(mymng->effwdt+1)+1, + mymng->image+((OffsetH-1-(OffsetY+Row))*(mymng->effwdt))+OffsetX,mymng->effwdt); + // swap red and blue components + RGBtoBGR(tmpbuffer+Row*(mymng->effwdt+1)+1,mymng->effwdt); + } + + // Compress data with ZLib (Deflate): + uint8_t *dstbuffer = new uint8_t[(mymng->effwdt+1)*OffsetH]; + if( dstbuffer == 0 ) return; + uint32_t dstbufferSize=(mymng->effwdt+1)*OffsetH; + + // Compress data: + if(Z_OK != compress2((Bytef *)dstbuffer,(ULONG *)&dstbufferSize,(const Bytef*)tmpbuffer, + (ULONG) (mymng->effwdt+1)*OffsetH,9 )) return; + + // Write Data into MNG File: + mng_putchunk_idat( hMNG, dstbufferSize, (mng_ptr*)dstbuffer); + mng_putchunk_iend(hMNG); + + // Free the stuff: + delete [] tmpbuffer; + delete [] dstbuffer; +} +//////////////////////////////////////////////////////////////////////////////// +int32_t CxImageMNG::Resume() +{ + if (MNG_NEEDTIMERWAIT == mng_display_resume(hmng)){ + if (info.pImage==NULL){ + Create(mnginfo.width,mnginfo.height,mnginfo.bpp, CXIMAGE_FORMAT_MNG); + } + if (IsValid()){ + memcpy(GetBits(), mnginfo.image, info.dwEffWidth * head.biHeight); +#if CXIMAGE_SUPPORT_ALPHA + SwapRGB2BGR(); + AlphaCreate(); + if(AlphaIsValid() && mnginfo.alpha){ + memcpy(AlphaGetPointer(),mnginfo.alpha,mnginfo.width * mnginfo.height); + } +#endif + } + } else { + mnginfo.animation_enabled = 0; + } + return mnginfo.animation_enabled; +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageMNG::SetSpeed(float speed) +{ + if (speed>10.0) mnginfo.speed = 10.0f; + else if (speed<0.1) mnginfo.speed = 0.1f; + else mnginfo.speed=speed; +} +//////////////////////////////////////////////////////////////////////////////// +#endif //CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_MNG diff --git a/smelt/glfw/CxImage/ximamng.h b/smelt/glfw/CxImage/ximamng.h new file mode 100644 index 0000000..9466fc2 --- /dev/null +++ b/smelt/glfw/CxImage/ximamng.h @@ -0,0 +1,88 @@ +/* + * File: ximamng.h + * Purpose: Declaration of the MNG Image Class + * Author: Davide Pizzolato - www.xdp.it + * Created: 2001 + */ +/* ========================================================== + * CxImageMNG (c) 07/Aug/2001 Davide Pizzolato - www.xdp.it + * For conditions of distribution and use, see copyright notice in ximage.h + * + * Special thanks to Frank Haug for suggestions and code. + * + * original mng.cpp code created by Nikolaus Brennig, November 14th, 2000. + * + * LIBMNG Copyright (c) 2000,2001 Gerard Juyn (gerard@libmng.com) + * ========================================================== + */ + +#if !defined(__ximaMNG_h) +#define __ximaMNG_h + +#include "ximage.h" + +#if CXIMAGE_SUPPORT_MNG + +//#define MNG_NO_CMS +#define MNG_SUPPORT_DISPLAY +#define MNG_SUPPORT_READ +#define MNG_SUPPORT_WRITE +#define MNG_ACCESS_CHUNKS +#define MNG_STORE_CHUNKS + +extern "C" { +#include "../mng/libmng.h" +#include "../mng/libmng_data.h" +#include "../mng/libmng_error.h" +} + +//uint32_t _stdcall RunMNGThread(void *lpParam); + +typedef struct tagmngstuff +{ + CxFile *file; + uint8_t *image; + uint8_t *alpha; + HANDLE thread; + mng_uint32 delay; + mng_uint32 width; + mng_uint32 height; + mng_uint32 effwdt; + mng_int16 bpp; + mng_bool animation; + mng_bool animation_enabled; + float speed; + int32_t nBkgndIndex; + RGBQUAD nBkgndColor; +} mngstuff; + +class CxImageMNG: public CxImage +{ +public: + CxImageMNG(); + ~CxImageMNG(); + + bool Load(const TCHAR * imageFileName); + + bool Decode(CxFile * hFile); + bool Decode(FILE *hFile) { CxIOFile file(hFile); return Decode(&file); } + +#if CXIMAGE_SUPPORT_ENCODE + bool Encode(CxFile * hFile); + bool Encode(FILE *hFile) { CxIOFile file(hFile); return Encode(&file); } + bool Save(const TCHAR * imageFileName){ return CxImage::Save(imageFileName,CXIMAGE_FORMAT_MNG);} +#endif // CXIMAGE_SUPPORT_ENCODE + + int32_t Resume(); + void SetSpeed(float speed); + + mng_handle hmng; + mngstuff mnginfo; +protected: + void WritePNG(mng_handle hMNG, int32_t Frame, int32_t FrameCount ); + void SetCallbacks(mng_handle mng); +}; + +#endif + +#endif diff --git a/smelt/glfw/CxImage/ximapal.cpp b/smelt/glfw/CxImage/ximapal.cpp new file mode 100644 index 0000000..fe0615b --- /dev/null +++ b/smelt/glfw/CxImage/ximapal.cpp @@ -0,0 +1,834 @@ +// xImaPal.cpp : Palette and Pixel functions +/* 07/08/2001 v1.00 - Davide Pizzolato - www.xdp.it + * CxImage version 7.0.0 31/Dec/2010 + */ + +#include "ximage.h" + +//////////////////////////////////////////////////////////////////////////////// +/** + * returns the palette dimension in byte + */ +uint32_t CxImage::GetPaletteSize() +{ + return (head.biClrUsed * sizeof(RGBQUAD)); +} +//////////////////////////////////////////////////////////////////////////////// +void CxImage::SetPaletteColor(uint8_t idx, uint8_t r, uint8_t g, uint8_t b, uint8_t alpha) +{ + if ((pDib)&&(head.biClrUsed)){ + uint8_t* iDst = (uint8_t*)(pDib) + sizeof(BITMAPINFOHEADER); + if (idx=head.biWidth)||(y>=head.biHeight)) { + if (info.nBkgndIndex >= 0) return (uint8_t)info.nBkgndIndex; + else return *info.pImage; + } + if (head.biBitCount==8){ + return info.pImage[y*info.dwEffWidth + x]; + } else { + uint8_t pos; + uint8_t iDst= info.pImage[y*info.dwEffWidth + (x*head.biBitCount >> 3)]; + if (head.biBitCount==4){ + pos = (uint8_t)(4*(1-x%2)); + iDst &= (0x0F<> pos); + } else if (head.biBitCount==1){ + pos = (uint8_t)(7-x%8); + iDst &= (0x01<> pos); + } + } + return 0; +} +//////////////////////////////////////////////////////////////////////////////// +uint8_t CxImage::BlindGetPixelIndex(const int32_t x,const int32_t y) +{ +#ifdef _DEBUG + if ((pDib==NULL) || (head.biClrUsed==0) || !IsInside(x,y)) + #if CXIMAGE_SUPPORT_EXCEPTION_HANDLING + throw 0; + #else + return 0; + #endif +#endif + + if (head.biBitCount==8){ + return info.pImage[y*info.dwEffWidth + x]; + } else { + uint8_t pos; + uint8_t iDst= info.pImage[y*info.dwEffWidth + (x*head.biBitCount >> 3)]; + if (head.biBitCount==4){ + pos = (uint8_t)(4*(1-x%2)); + iDst &= (0x0F<> pos); + } else if (head.biBitCount==1){ + pos = (uint8_t)(7-x%8); + iDst &= (0x01<> pos); + } + } + return 0; +} +//////////////////////////////////////////////////////////////////////////////// +RGBQUAD CxImage::GetPixelColor(int32_t x,int32_t y, bool bGetAlpha) +{ +// RGBQUAD rgb={0,0,0,0}; + RGBQUAD rgb=info.nBkgndColor; // + if ((pDib==NULL)||(x<0)||(y<0)|| + (x>=head.biWidth)||(y>=head.biHeight)){ + if (info.nBkgndIndex >= 0){ + if (head.biBitCount<24) return GetPaletteColor((uint8_t)info.nBkgndIndex); + else return info.nBkgndColor; + } else if (pDib) return GetPixelColor(0,0); + return rgb; + } + + if (head.biClrUsed){ + rgb = GetPaletteColor(BlindGetPixelIndex(x,y)); + } else { + uint8_t* iDst = info.pImage + y*info.dwEffWidth + x*3; + rgb.rgbBlue = *iDst++; + rgb.rgbGreen= *iDst++; + rgb.rgbRed = *iDst; + } +#if CXIMAGE_SUPPORT_ALPHA + if (pAlpha && bGetAlpha) rgb.rgbReserved = BlindAlphaGet(x,y); +#else + rgb.rgbReserved = 0; +#endif //CXIMAGE_SUPPORT_ALPHA + return rgb; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * This is (a bit) faster version of GetPixelColor. + * It tests bounds only in debug mode (_DEBUG defined). + * + * It is an error to request out-of-borders pixel with this method. + * In DEBUG mode an exception will be thrown, and data will be violated in non-DEBUG mode. + * \author ***bd*** 2.2004 + */ +RGBQUAD CxImage::BlindGetPixelColor(const int32_t x,const int32_t y, bool bGetAlpha) +{ + RGBQUAD rgb; +#ifdef _DEBUG + if ((pDib==NULL) || !IsInside(x,y)) + #if CXIMAGE_SUPPORT_EXCEPTION_HANDLING + throw 0; + #else + {rgb.rgbReserved = 0; return rgb;} + #endif +#endif + + if (head.biClrUsed){ + rgb = GetPaletteColor(BlindGetPixelIndex(x,y)); + } else { + uint8_t* iDst = info.pImage + y*info.dwEffWidth + x*3; + rgb.rgbBlue = *iDst++; + rgb.rgbGreen= *iDst++; + rgb.rgbRed = *iDst; + rgb.rgbReserved = 0; //needed for images without alpha layer + } +#if CXIMAGE_SUPPORT_ALPHA + if (pAlpha && bGetAlpha) rgb.rgbReserved = BlindAlphaGet(x,y); +#else + rgb.rgbReserved = 0; +#endif //CXIMAGE_SUPPORT_ALPHA + return rgb; +} +//////////////////////////////////////////////////////////////////////////////// +uint8_t CxImage::GetPixelGray(int32_t x, int32_t y) +{ + RGBQUAD color = GetPixelColor(x,y); + return (uint8_t)RGB2GRAY(color.rgbRed,color.rgbGreen,color.rgbBlue); +} +//////////////////////////////////////////////////////////////////////////////// +void CxImage::BlindSetPixelIndex(int32_t x,int32_t y,uint8_t i) +{ +#ifdef _DEBUG + if ((pDib==NULL)||(head.biClrUsed==0)|| + (x<0)||(y<0)||(x>=head.biWidth)||(y>=head.biHeight)) + #if CXIMAGE_SUPPORT_EXCEPTION_HANDLING + throw 0; + #else + return; + #endif +#endif + + if (head.biBitCount==8){ + info.pImage[y*info.dwEffWidth + x]=i; + return; + } else { + uint8_t pos; + uint8_t* iDst= info.pImage + y*info.dwEffWidth + (x*head.biBitCount >> 3); + if (head.biBitCount==4){ + pos = (uint8_t)(4*(1-x%2)); + *iDst &= ~(0x0F<=head.biWidth)||(y>=head.biHeight)) return ; + + if (head.biBitCount==8){ + info.pImage[y*info.dwEffWidth + x]=i; + return; + } else { + uint8_t pos; + uint8_t* iDst= info.pImage + y*info.dwEffWidth + (x*head.biBitCount >> 3); + if (head.biBitCount==4){ + pos = (uint8_t)(4*(1-x%2)); + *iDst &= ~(0x0F<=head.biWidth)||(y>=head.biHeight)) + #if CXIMAGE_SUPPORT_EXCEPTION_HANDLING + throw 0; + #else + return; + #endif +#endif + if (head.biClrUsed) + BlindSetPixelIndex(x,y,GetNearestIndex(c)); + else { + uint8_t* iDst = info.pImage + y*info.dwEffWidth + x*3; + *iDst++ = c.rgbBlue; + *iDst++ = c.rgbGreen; + *iDst = c.rgbRed; + } +#if CXIMAGE_SUPPORT_ALPHA + if (bSetAlpha) AlphaSet(x,y,c.rgbReserved); +#endif //CXIMAGE_SUPPORT_ALPHA +} +//////////////////////////////////////////////////////////////////////////////// +void CxImage::SetPixelColor(int32_t x,int32_t y,RGBQUAD c, bool bSetAlpha) +{ + if ((pDib==NULL)||(x<0)||(y<0)|| + (x>=head.biWidth)||(y>=head.biHeight)) return; + if (head.biClrUsed) + BlindSetPixelIndex(x,y,GetNearestIndex(c)); + else { + uint8_t* iDst = info.pImage + y*info.dwEffWidth + x*3; + *iDst++ = c.rgbBlue; + *iDst++ = c.rgbGreen; + *iDst = c.rgbRed; + } +#if CXIMAGE_SUPPORT_ALPHA + if (bSetAlpha) AlphaSet(x,y,c.rgbReserved); +#endif //CXIMAGE_SUPPORT_ALPHA +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Blends the current pixel color with a new color. + * \param x,y = pixel + * \param c = new color + * \param blend = can be from 0 (no effect) to 1 (full effect). + * \param bSetAlpha = if true, blends also the alpha component stored in c.rgbReserved + */ +void CxImage::BlendPixelColor(int32_t x,int32_t y,RGBQUAD c, float blend, bool bSetAlpha) +{ + if ((pDib==NULL)||(x<0)||(y<0)|| + (x>=head.biWidth)||(y>=head.biHeight)) return; + + int32_t a0 = (int32_t)(256*blend); + int32_t a1 = 256 - a0; + + RGBQUAD c0 = BlindGetPixelColor(x,y); + c.rgbRed = (uint8_t)((c.rgbRed * a0 + c0.rgbRed * a1)>>8); + c.rgbBlue = (uint8_t)((c.rgbBlue * a0 + c0.rgbBlue * a1)>>8); + c.rgbGreen = (uint8_t)((c.rgbGreen * a0 + c0.rgbGreen * a1)>>8); + + if (head.biClrUsed) + BlindSetPixelIndex(x,y,GetNearestIndex(c)); + else { + uint8_t* iDst = info.pImage + y*info.dwEffWidth + x*3; + *iDst++ = c.rgbBlue; + *iDst++ = c.rgbGreen; + *iDst = c.rgbRed; +#if CXIMAGE_SUPPORT_ALPHA + if (bSetAlpha) AlphaSet(x,y,c.rgbReserved); +#endif //CXIMAGE_SUPPORT_ALPHA + } +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Returns the best palette index that matches a specified color. + */ +uint8_t CxImage::GetNearestIndex(RGBQUAD c) +{ + if ((pDib==NULL)||(head.biClrUsed==0)) return 0; + + // check matching with the previous result + if (info.last_c_isvalid && (*(int32_t*)&info.last_c == *(int32_t*)&c)) return info.last_c_index; + info.last_c = c; + info.last_c_isvalid = true; + + uint8_t* iDst = (uint8_t*)(pDib) + sizeof(BITMAPINFOHEADER); + int32_t distance=200000; + int32_t i,j = 0; + int32_t k,l; + int32_t m = (int32_t)(head.biClrImportant==0 ? head.biClrUsed : head.biClrImportant); + for(i=0,l=0;i100) perc=100; + for(i=0;i=0){ + if (head.biClrUsed){ + if (GetPixelIndex(x,y) == info.nBkgndIndex) return true; + } else { + RGBQUAD ct = info.nBkgndColor; + RGBQUAD c = GetPixelColor(x,y,false); + if (*(int32_t*)&c==*(int32_t*)&ct) return true; + } + } + +#if CXIMAGE_SUPPORT_ALPHA + if (pAlpha) return AlphaGet(x,y)==0; +#endif + + return false; +} +//////////////////////////////////////////////////////////////////////////////// +bool CxImage::GetTransparentMask(CxImage* iDst) +{ + if (!pDib) return false; + + CxImage tmp; + tmp.Create(head.biWidth, head.biHeight, 1, GetType()); + tmp.SetStdPalette(); + tmp.Clear(0); + + for(int32_t y=0; yTransfer(tmp); + else Transfer(tmp); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Checks if image has the same palette, if any. + * \param img = image to compare. + * \param bCheckAlpha = check also the rgbReserved field. + */ +bool CxImage::IsSamePalette(CxImage &img, bool bCheckAlpha) +{ + if (head.biClrUsed != img.head.biClrUsed) + return false; + if (head.biClrUsed == 0) + return false; + + RGBQUAD c1,c2; + for (uint32_t n=0; n256) { + head.biClrImportant = 0; + return; + } + + switch(head.biBitCount){ + case 1: + head.biClrImportant = min(ncolors,2); + break; + case 4: + head.biClrImportant = min(ncolors,16); + break; + case 8: + head.biClrImportant = ncolors; + break; + } + return; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Returns pointer to pixel. Currently implemented only for truecolor images. + * + * \param x,y - coordinates + * + * \return pointer to first byte of pixel data + * + * \author ***bd*** 2.2004 + */ +void* CxImage::BlindGetPixelPointer(const int32_t x, const int32_t y) +{ +#ifdef _DEBUG + if ((pDib==NULL) || !IsInside(x,y)) + #if CXIMAGE_SUPPORT_EXCEPTION_HANDLING + throw 0; + #else + return 0; + #endif +#endif + if (!IsIndexed()) + return info.pImage + y*info.dwEffWidth + x*3; + else + return 0; +} +//////////////////////////////////////////////////////////////////////////////// +void CxImage::DrawLine(int32_t StartX, int32_t EndX, int32_t StartY, int32_t EndY, COLORREF cr) +{ + DrawLine(StartX, EndX, StartY, EndY, RGBtoRGBQUAD(cr)); +} +//////////////////////////////////////////////////////////////////////////////// +void CxImage::DrawLine(int32_t StartX, int32_t EndX, int32_t StartY, int32_t EndY, RGBQUAD color, bool bSetAlpha) +{ + if (!pDib) return; + ////////////////////////////////////////////////////// + // Draws a line using the Bresenham line algorithm + // Thanks to Jordan DeLozier + ////////////////////////////////////////////////////// + int32_t x1 = StartX; + int32_t y1 = StartY; + int32_t x = x1; // Start x off at the first pixel + int32_t y = y1; // Start y off at the first pixel + int32_t x2 = EndX; + int32_t y2 = EndY; + + int32_t xinc1,xinc2,yinc1,yinc2; // Increasing values + int32_t den, num, numadd,numpixels; + int32_t deltax = abs(x2 - x1); // The difference between the x's + int32_t deltay = abs(y2 - y1); // The difference between the y's + + // Get Increasing Values + if (x2 >= x1) { // The x-values are increasing + xinc1 = 1; + xinc2 = 1; + } else { // The x-values are decreasing + xinc1 = -1; + xinc2 = -1; + } + + if (y2 >= y1) { // The y-values are increasing + yinc1 = 1; + yinc2 = 1; + } else { // The y-values are decreasing + yinc1 = -1; + yinc2 = -1; + } + + // Actually draw the line + if (deltax >= deltay) // There is at least one x-value for every y-value + { + xinc1 = 0; // Don't change the x when numerator >= denominator + yinc2 = 0; // Don't change the y for every iteration + den = deltax; + num = deltax / 2; + numadd = deltay; + numpixels = deltax; // There are more x-values than y-values + } + else // There is at least one y-value for every x-value + { + xinc2 = 0; // Don't change the x for every iteration + yinc1 = 0; // Don't change the y when numerator >= denominator + den = deltay; + num = deltay / 2; + numadd = deltax; + numpixels = deltay; // There are more y-values than x-values + } + + for (int32_t curpixel = 0; curpixel <= numpixels; curpixel++) + { + // Draw the current pixel + SetPixelColor(x,y,color,bSetAlpha); + + num += numadd; // Increase the numerator by the top of the fraction + if (num >= den) // Check if numerator >= denominator + { + num -= den; // Calculate the new numerator value + x += xinc1; // Change the x as appropriate + y += yinc1; // Change the y as appropriate + } + x += xinc2; // Change the x as appropriate + y += yinc2; // Change the y as appropriate + } +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Sets a palette with standard colors for 1, 4 and 8 bpp images. + */ +void CxImage::SetStdPalette() +{ + if (!pDib) return; + switch (head.biBitCount){ + case 8: + { + const uint8_t pal256[1024] = {0,0,0,0,0,0,128,0,0,128,0,0,0,128,128,0,128,0,0,0,128,0,128,0,128,128,0,0,192,192,192,0, + 192,220,192,0,240,202,166,0,212,240,255,0,177,226,255,0,142,212,255,0,107,198,255,0, + 72,184,255,0,37,170,255,0,0,170,255,0,0,146,220,0,0,122,185,0,0,98,150,0,0,74,115,0,0, + 50,80,0,212,227,255,0,177,199,255,0,142,171,255,0,107,143,255,0,72,115,255,0,37,87,255,0,0, + 85,255,0,0,73,220,0,0,61,185,0,0,49,150,0,0,37,115,0,0,25,80,0,212,212,255,0,177,177,255,0, + 142,142,255,0,107,107,255,0,72,72,255,0,37,37,255,0,0,0,254,0,0,0,220,0,0,0,185,0,0,0,150,0, + 0,0,115,0,0,0,80,0,227,212,255,0,199,177,255,0,171,142,255,0,143,107,255,0,115,72,255,0, + 87,37,255,0,85,0,255,0,73,0,220,0,61,0,185,0,49,0,150,0,37,0,115,0,25,0,80,0,240,212,255,0, + 226,177,255,0,212,142,255,0,198,107,255,0,184,72,255,0,170,37,255,0,170,0,255,0,146,0,220,0, + 122,0,185,0,98,0,150,0,74,0,115,0,50,0,80,0,255,212,255,0,255,177,255,0,255,142,255,0,255,107,255,0, + 255,72,255,0,255,37,255,0,254,0,254,0,220,0,220,0,185,0,185,0,150,0,150,0,115,0,115,0,80,0,80,0, + 255,212,240,0,255,177,226,0,255,142,212,0,255,107,198,0,255,72,184,0,255,37,170,0,255,0,170,0, + 220,0,146,0,185,0,122,0,150,0,98,0,115,0,74,0,80,0,50,0,255,212,227,0,255,177,199,0,255,142,171,0, + 255,107,143,0,255,72,115,0,255,37,87,0,255,0,85,0,220,0,73,0,185,0,61,0,150,0,49,0,115,0,37,0, + 80,0,25,0,255,212,212,0,255,177,177,0,255,142,142,0,255,107,107,0,255,72,72,0,255,37,37,0,254,0, + 0,0,220,0,0,0,185,0,0,0,150,0,0,0,115,0,0,0,80,0,0,0,255,227,212,0,255,199,177,0,255,171,142,0, + 255,143,107,0,255,115,72,0,255,87,37,0,255,85,0,0,220,73,0,0,185,61,0,0,150,49,0,0,115,37,0, + 0,80,25,0,0,255,240,212,0,255,226,177,0,255,212,142,0,255,198,107,0,255,184,72,0,255,170,37,0, + 255,170,0,0,220,146,0,0,185,122,0,0,150,98,0,0,115,74,0,0,80,50,0,0,255,255,212,0,255,255,177,0, + 255,255,142,0,255,255,107,0,255,255,72,0,255,255,37,0,254,254,0,0,220,220,0,0,185,185,0,0,150,150,0, + 0,115,115,0,0,80,80,0,0,240,255,212,0,226,255,177,0,212,255,142,0,198,255,107,0,184,255,72,0, + 170,255,37,0,170,255,0,0,146,220,0,0,122,185,0,0,98,150,0,0,74,115,0,0,50,80,0,0,227,255,212,0, + 199,255,177,0,171,255,142,0,143,255,107,0,115,255,72,0,87,255,37,0,85,255,0,0,73,220,0,0,61,185,0, + 0,49,150,0,0,37,115,0,0,25,80,0,0,212,255,212,0,177,255,177,0,142,255,142,0,107,255,107,0,72,255,72,0, + 37,255,37,0,0,254,0,0,0,220,0,0,0,185,0,0,0,150,0,0,0,115,0,0,0,80,0,0,212,255,227,0,177,255,199,0, + 142,255,171,0,107,255,143,0,72,255,115,0,37,255,87,0,0,255,85,0,0,220,73,0,0,185,61,0,0,150,49,0,0, + 115,37,0,0,80,25,0,212,255,240,0,177,255,226,0,142,255,212,0,107,255,198,0,72,255,184,0,37,255,170,0, + 0,255,170,0,0,220,146,0,0,185,122,0,0,150,98,0,0,115,74,0,0,80,50,0,212,255,255,0,177,255,255,0, + 142,255,255,0,107,255,255,0,72,255,255,0,37,255,255,0,0,254,254,0,0,220,220,0,0,185,185,0,0, + 150,150,0,0,115,115,0,0,80,80,0,242,242,242,0,230,230,230,0,218,218,218,0,206,206,206,0,194,194,194,0, + 182,182,182,0,170,170,170,0,158,158,158,0,146,146,146,0,134,134,134,0,122,122,122,0,110,110,110,0, + 98,98,98,0,86,86,86,0,74,74,74,0,62,62,62,0,50,50,50,0,38,38,38,0,26,26,26,0,14,14,14,0,240,251,255,0, + 164,160,160,0,128,128,128,0,0,0,255,0,0,255,0,0,0,255,255,0,255,0,0,0,255,0,255,0,255,255,0,0,255,255,255,0}; + memcpy(GetPalette(),pal256,1024); + break; + } + case 4: + { + const uint8_t pal16[64]={0,0,0,0,0,0,128,0,0,128,0,0,0,128,128,0,128,0,0,0,128,0,128,0,128,128,0,0,192,192,192,0, + 128,128,128,0,0,0,255,0,0,255,0,0,0,255,255,0,255,0,0,0,255,0,255,0,255,255,0,0,255,255,255,0}; + memcpy(GetPalette(),pal16,64); + break; + } + case 1: + { + const uint8_t pal2[8]={0,0,0,0,255,255,255,0}; + memcpy(GetPalette(),pal2,8); + break; + } + } + info.last_c_isvalid = false; + return; +} +//////////////////////////////////////////////////////////////////////////////// diff --git a/smelt/glfw/CxImage/ximapcx.cpp b/smelt/glfw/CxImage/ximapcx.cpp new file mode 100644 index 0000000..2fa2f5d --- /dev/null +++ b/smelt/glfw/CxImage/ximapcx.cpp @@ -0,0 +1,479 @@ +/* + * File: ximapcx.cpp + * Purpose: Platform Independent PCX Image Class Loader and Writer + * 05/Jan/2002 Davide Pizzolato - www.xdp.it + * CxImage version 7.0.0 31/Dec/2010 + * + * based on ppmtopcx.c - convert a portable pixmap to PCX + * Copyright (C) 1994 by Ingo Wilken (Ingo.Wilken@informatik.uni-oldenburg.de) + * based on ppmtopcx.c by Michael Davidson + */ + +#include "ximapcx.h" + +#if CXIMAGE_SUPPORT_PCX + +#include "xmemfile.h" + +#define PCX_MAGIC 0X0A // PCX magic number +#define PCX_256_COLORS 0X0C // magic number for 256 colors +#define PCX_HDR_SIZE 128 // size of PCX header +#define PCX_MAXCOLORS 256 +#define PCX_MAXPLANES 4 +#define PCX_MAXVAL 255 + +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImagePCX::Decode(CxFile *hFile) +{ + if (hFile == NULL) return false; + + PCXHEADER pcxHeader; + int32_t i, x, y, y2, nbytes, count, Height, Width; + uint8_t c, ColorMap[PCX_MAXCOLORS][3]; + uint8_t *pcximage = NULL, *lpHead1 = NULL, *lpHead2 = NULL; + uint8_t *pcxplanes, *pcxpixels; + + cx_try + { + if (hFile->Read(&pcxHeader,sizeof(PCXHEADER),1)==0) cx_throw("Can't read PCX image"); + + PCX_toh(&pcxHeader); + + if (pcxHeader.Manufacturer != PCX_MAGIC) cx_throw("Error: Not a PCX file"); + // Check for PCX run length encoding + if (pcxHeader.Encoding != 1) cx_throw("PCX file has unknown encoding scheme"); + + Width = (pcxHeader.Xmax - pcxHeader.Xmin) + 1; + Height = (pcxHeader.Ymax - pcxHeader.Ymin) + 1; + info.xDPI = pcxHeader.Hres; + info.yDPI = pcxHeader.Vres; + + if (info.nEscape == -1){ + head.biWidth = Width; + head.biHeight= Height; + info.dwType = CXIMAGE_FORMAT_PCX; + return true; + } + + // Check that we can handle this image format + if (pcxHeader.ColorPlanes > 4) + cx_throw("Can't handle image with more than 4 planes"); + + // Create the image + if (pcxHeader.ColorPlanes >= 3 && pcxHeader.BitsPerPixel == 8){ + Create (Width, Height, 24, CXIMAGE_FORMAT_PCX); +#if CXIMAGE_SUPPORT_ALPHA + if (pcxHeader.ColorPlanes==4) AlphaCreate(); +#endif //CXIMAGE_SUPPORT_ALPHA + } else if (pcxHeader.ColorPlanes == 4 && pcxHeader.BitsPerPixel == 1) + Create (Width, Height, 4, CXIMAGE_FORMAT_PCX); + else + Create (Width, Height, pcxHeader.BitsPerPixel, CXIMAGE_FORMAT_PCX); + + if (info.nEscape) cx_throw("Cancelled"); // - cancel decoding + + //Read the image and check if it's ok + nbytes = pcxHeader.BytesPerLine * pcxHeader.ColorPlanes * Height; + lpHead1 = pcximage = (uint8_t*)malloc(nbytes); + while (nbytes > 0){ + if (hFile == NULL || hFile->Eof()) cx_throw("corrupted PCX"); + + hFile->Read(&c,1,1); + if ((c & 0XC0) != 0XC0){ // Repeated group + *pcximage++ = c; + --nbytes; + continue; + } + count = c & 0X3F; // extract count + hFile->Read(&c,1,1); + if (count > nbytes) cx_throw("repeat count spans end of image"); + + nbytes -= count; + while (--count >=0) *pcximage++ = c; + } + pcximage = lpHead1; + + //store the palette + for (i = 0; i < 16; i++){ + ColorMap[i][0] = pcxHeader.ColorMap[i][0]; + ColorMap[i][1] = pcxHeader.ColorMap[i][1]; + ColorMap[i][2] = pcxHeader.ColorMap[i][2]; + } + if (pcxHeader.BitsPerPixel == 8 && pcxHeader.ColorPlanes == 1){ + hFile->Read(&c,1,1); + if (c != PCX_256_COLORS) cx_throw("bad color map signature"); + + for (i = 0; i < PCX_MAXCOLORS; i++){ + hFile->Read(&ColorMap[i][0],1,1); + hFile->Read(&ColorMap[i][1],1,1); + hFile->Read(&ColorMap[i][2],1,1); + } + } + if (pcxHeader.BitsPerPixel == 1 && pcxHeader.ColorPlanes == 1){ + ColorMap[0][0] = ColorMap[0][1] = ColorMap[0][2] = 0; + ColorMap[1][0] = ColorMap[1][1] = ColorMap[1][2] = 255; + } + + for (uint32_t idx=0; idx - cancel decoding + + y2=Height-1-y; + pcxpixels = lpHead2; + pcxplanes = pcximage + (y * pcxHeader.BytesPerLine * pcxHeader.ColorPlanes); + + if (pcxHeader.ColorPlanes == 3 && pcxHeader.BitsPerPixel == 8){ + // Deal with 24 bit color image + for (x = 0; x < Width; x++){ + SetPixelColor(x,y2,RGB(pcxplanes[x],pcxplanes[pcxHeader.BytesPerLine + x],pcxplanes[2*pcxHeader.BytesPerLine + x])); + } + continue; +#if CXIMAGE_SUPPORT_ALPHA + } else if (pcxHeader.ColorPlanes == 4 && pcxHeader.BitsPerPixel == 8){ + for (x = 0; x < Width; x++){ + SetPixelColor(x,y2,RGB(pcxplanes[x],pcxplanes[pcxHeader.BytesPerLine + x],pcxplanes[2*pcxHeader.BytesPerLine + x])); + AlphaSet(x,y2,pcxplanes[3*pcxHeader.BytesPerLine + x]); + } + continue; +#endif //CXIMAGE_SUPPORT_ALPHA + } else if (pcxHeader.ColorPlanes == 1) { + if (!PCX_UnpackPixels(pcxpixels, pcxplanes, pcxHeader.BytesPerLine, pcxHeader.ColorPlanes, pcxHeader.BitsPerPixel)){ + cx_throw("PCX_UnpackPixels: Can't handle packed pixels with more than 1 plane"); + } + } else { + if (!PCX_PlanesToPixels(pcxpixels, pcxplanes, pcxHeader.BytesPerLine, pcxHeader.ColorPlanes, pcxHeader.BitsPerPixel)){ + cx_throw("PCX_PlanesToPixels: more than 4 planes or more than 1 bit per pixel"); + } + } + for (x = 0; x < Width; x++) SetPixelIndex(x,y2,pcxpixels[x]); + } + + } cx_catch { + if (strcmp(message,"")) strncpy(info.szLastError,message,255); + if (lpHead1){ free(lpHead1); lpHead1 = NULL; } + if (lpHead2){ free(lpHead2); lpHead2 = NULL; } + return false; + } + if (lpHead1){ free(lpHead1); lpHead1 = NULL; } + if (lpHead2){ free(lpHead2); lpHead2 = NULL; } + return true; +} +//////////////////////////////////////////////////////////////////////////////// +#endif //CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImagePCX::Encode(CxFile * hFile) +{ + if (EncodeSafeCheck(hFile)) return false; + + cx_try + { + PCXHEADER pcxHeader; + memset(&pcxHeader,0,sizeof(pcxHeader)); + pcxHeader.Manufacturer = PCX_MAGIC; + pcxHeader.Version = 5; + pcxHeader.Encoding = 1; + pcxHeader.Xmin = 0; + pcxHeader.Ymin = 0; + pcxHeader.Xmax = (uint16_t)head.biWidth-1; + pcxHeader.Ymax = (uint16_t)head.biHeight-1; + pcxHeader.Hres = (uint16_t)info.xDPI; + pcxHeader.Vres = (uint16_t)info.yDPI; + pcxHeader.Reserved = 0; + pcxHeader.PaletteType = head.biClrUsed==0; + + switch(head.biBitCount){ + case 24: + case 8: + { + pcxHeader.BitsPerPixel = 8; + pcxHeader.ColorPlanes = head.biClrUsed==0 ? 3 : 1; +#if CXIMAGE_SUPPORT_ALPHA + if (AlphaIsValid() && head.biClrUsed==0) pcxHeader.ColorPlanes =4; +#endif //CXIMAGE_SUPPORT_ALPHA + pcxHeader.BytesPerLine = (uint16_t)head.biWidth; + break; + } + default: //(4 1) + pcxHeader.BitsPerPixel = 1; + pcxHeader.ColorPlanes = head.biClrUsed==16 ? 4 : 1; + pcxHeader.BytesPerLine = (uint16_t)((head.biWidth * pcxHeader.BitsPerPixel + 7)>>3); + } + + if (pcxHeader.BitsPerPixel == 1 && pcxHeader.ColorPlanes == 1){ + pcxHeader.ColorMap[0][0] = pcxHeader.ColorMap[0][1] = pcxHeader.ColorMap[0][2] = 0; + pcxHeader.ColorMap[1][0] = pcxHeader.ColorMap[1][1] = pcxHeader.ColorMap[1][2] = 255; + } + if (pcxHeader.BitsPerPixel == 1 && pcxHeader.ColorPlanes == 4){ + RGBQUAD c; + for (int32_t i = 0; i < 16; i++){ + c=GetPaletteColor(i); + pcxHeader.ColorMap[i][0] = c.rgbRed; + pcxHeader.ColorMap[i][1] = c.rgbGreen; + pcxHeader.ColorMap[i][2] = c.rgbBlue; + } + } + + pcxHeader.BytesPerLine = (pcxHeader.BytesPerLine + 1)&(~1); + + PCX_toh(&pcxHeader); + if (hFile->Write(&pcxHeader, sizeof(pcxHeader), 1) == 0 ) + cx_throw("cannot write PCX header"); + PCX_toh(&pcxHeader); + + CxMemFile buffer; + buffer.Open(); + + uint8_t c,n; + int32_t x,y; + if (head.biClrUsed==0){ + for (y = head.biHeight-1; y >=0 ; y--){ + for (int32_t p=0; pWrite(buffer.GetBuffer(false),buffer.Tell(),1); + + } else if (head.biBitCount==8) { + + for (y = head.biHeight-1; y >=0 ; y--){ + c=n=0; + for (x = 0; xWrite(buffer.GetBuffer(false),buffer.Tell(),1); + + if (head.biBitCount == 8){ + hFile->PutC(0x0C); + uint8_t* pal = (uint8_t*)malloc(768); + RGBQUAD c; + for (int32_t i=0;i<256;i++){ + c=GetPaletteColor(i); + pal[3*i+0] = c.rgbRed; + pal[3*i+1] = c.rgbGreen; + pal[3*i+2] = c.rgbBlue; + } + hFile->Write(pal,768,1); + free(pal); + } + } else { //(head.biBitCount==4) || (head.biBitCount==1) + + RGBQUAD *rgb = GetPalette(); + bool binvert = false; + if (CompareColors(&rgb[0],&rgb[1])>0) binvert=(head.biBitCount==1); + + uint8_t* plane = (uint8_t*)malloc(pcxHeader.BytesPerLine); + uint8_t* raw = (uint8_t*)malloc(head.biWidth); + + for(y = head.biHeight-1; y >=0 ; y--) { + + for( x = 0; x < head.biWidth; x++) raw[x] = (uint8_t)GetPixelIndex(x,y); + + if (binvert) for( x = 0; x < head.biWidth; x++) raw[x] = 1-raw[x]; + + for( x = 0; x < pcxHeader.ColorPlanes; x++ ) { + PCX_PixelsToPlanes(raw, head.biWidth, plane, x); + PCX_PackPlanes(plane, pcxHeader.BytesPerLine, buffer); + } + } + + free(plane); + free(raw); + + hFile->Write(buffer.GetBuffer(false),buffer.Tell(),1); + + } + + } cx_catch { + if (strcmp(message,"")) strncpy(info.szLastError,message,255); + return false; + } + return true; +} +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +// Convert multi-plane format into 1 pixel per byte +// from unpacked file data bitplanes[] into pixel row pixels[] +// image Height rows, with each row having planes image planes each +// bytesperline bytes +bool CxImagePCX::PCX_PlanesToPixels(uint8_t * pixels, uint8_t * bitplanes, int16_t bytesperline, int16_t planes, int16_t bitsperpixel) +{ + int32_t i, j, npixels; + uint8_t * p; + if (planes > 4) return false; + if (bitsperpixel != 1) return false; + + // Clear the pixel buffer + npixels = (bytesperline * 8) / bitsperpixel; + p = pixels; + while (--npixels >= 0) *p++ = 0; + + // Do the format conversion + for (i = 0; i < planes; i++){ + int32_t pixbit, bits, mask; + p = pixels; + pixbit = (1 << i); // pixel bit for this plane + for (j = 0; j < bytesperline; j++){ + bits = *bitplanes++; + for (mask = 0X80; mask != 0; mask >>= 1, p++) + if (bits & mask) *p |= pixbit; + } + } + return true; +} +//////////////////////////////////////////////////////////////////////////////// +// convert packed pixel format into 1 pixel per byte +// from unpacked file data bitplanes[] into pixel row pixels[] +// image Height rows, with each row having planes image planes each +// bytesperline bytes +bool CxImagePCX::PCX_UnpackPixels(uint8_t * pixels, uint8_t * bitplanes, int16_t bytesperline, int16_t planes, int16_t bitsperpixel) +{ + register int32_t bits; + if (planes != 1) return false; + + if (bitsperpixel == 8){ // 8 bits/pixels, no unpacking needed + while (bytesperline-- > 0) *pixels++ = *bitplanes++; + } else if (bitsperpixel == 4){ // 4 bits/pixel, two pixels per byte + while (bytesperline-- > 0){ + bits = *bitplanes++; + *pixels++ = (uint8_t)((bits >> 4) & 0X0F); + *pixels++ = (uint8_t)((bits) & 0X0F); + } + } else if (bitsperpixel == 2){ // 2 bits/pixel, four pixels per byte + while (bytesperline-- > 0){ + bits = *bitplanes++; + *pixels++ = (uint8_t)((bits >> 6) & 0X03); + *pixels++ = (uint8_t)((bits >> 4) & 0X03); + *pixels++ = (uint8_t)((bits >> 2) & 0X03); + *pixels++ = (uint8_t)((bits) & 0X03); + } + } else if (bitsperpixel == 1){ // 1 bits/pixel, 8 pixels per byte + while (bytesperline-- > 0){ + bits = *bitplanes++; + *pixels++ = ((bits & 0X80) != 0); + *pixels++ = ((bits & 0X40) != 0); + *pixels++ = ((bits & 0X20) != 0); + *pixels++ = ((bits & 0X10) != 0); + *pixels++ = ((bits & 0X08) != 0); + *pixels++ = ((bits & 0X04) != 0); + *pixels++ = ((bits & 0X02) != 0); + *pixels++ = ((bits & 0X01) != 0); + } + } + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/* PCX_PackPixels(const int32_t p,uint8_t &c, uint8_t &n, int32_t &l, CxFile &f) + * p = current pixel (-1 ends the line -2 ends odd line) + * c = previous pixel + * n = number of consecutive pixels + */ +void CxImagePCX::PCX_PackPixels(const int32_t p,uint8_t &c, uint8_t &n, CxFile &f) +{ + if (p!=c && n){ + if (n==1 && c<0xC0){ + f.PutC(c); + } else { + f.PutC(0xC0|n); + f.PutC(c); + } + n=0; + } + if (n==0x3F) { + f.PutC(0xFF); + f.PutC(c); + n=0; + } + if (p==-2) f.PutC(0); + c=(uint8_t)p; + n++; +} +//////////////////////////////////////////////////////////////////////////////// +void CxImagePCX::PCX_PackPlanes(uint8_t* buff, const int32_t size, CxFile &f) +{ + uint8_t *start,*end; + uint8_t c, previous, count; + + start = buff; + end = buff + size; + previous = *start++; + count = 1; + + while (start < end) { + c = *start++; + if (c == previous && count < 63) { + ++count; + continue; + } + + if (count > 1 || (previous & 0xc0) == 0xc0) { + f.PutC( count | 0xc0 ); + } + f.PutC(previous); + previous = c; + count = 1; + } + + if (count > 1 || (previous & 0xc0) == 0xc0) { + count |= 0xc0; + f.PutC(count); + } + f.PutC(previous); +} +//////////////////////////////////////////////////////////////////////////////// +void CxImagePCX::PCX_PixelsToPlanes(uint8_t* raw, int32_t width, uint8_t* buf, int32_t plane) +{ + int32_t cbit, x, mask; + uint8_t *cp = buf-1; + + mask = 1 << plane; + cbit = -1; + for( x = 0; x < width; x++ ) { + if( cbit < 0 ) { + cbit = 7; + *++cp = 0; + } + if( raw[x] & mask ) + *cp |= (1<Xmin = m_ntohs(p->Xmin); + p->Ymin = m_ntohs(p->Ymin); + p->Xmax = m_ntohs(p->Xmax); + p->Ymax = m_ntohs(p->Ymax); + p->Hres = m_ntohs(p->Hres); + p->Vres = m_ntohs(p->Vres); + p->BytesPerLine = m_ntohs(p->BytesPerLine); + p->PaletteType = m_ntohs(p->PaletteType); +} +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_PCX diff --git a/smelt/glfw/CxImage/ximapcx.h b/smelt/glfw/CxImage/ximapcx.h new file mode 100644 index 0000000..05c5ad0 --- /dev/null +++ b/smelt/glfw/CxImage/ximapcx.h @@ -0,0 +1,64 @@ +/* + * File: ximapcx.h + * Purpose: PCX Image Class Loader and Writer + */ +/* ========================================================== + * CxImagePCX (c) 05/Jan/2002 Davide Pizzolato - www.xdp.it + * For conditions of distribution and use, see copyright notice in ximage.h + * + * Parts of the code come from Paintlib: Copyright (c) 1996-1998 Ulrich von Zadow + * ========================================================== + */ +#if !defined(__ximaPCX_h) +#define __ximaPCX_h + +#include "ximage.h" + +#if CXIMAGE_SUPPORT_PCX + +class CxImagePCX: public CxImage +{ +// PCX Image File +#pragma pack(1) +typedef struct tagPCXHEADER +{ + char Manufacturer; // always 0X0A + char Version; // version number + char Encoding; // always 1 + char BitsPerPixel; // color bits + uint16_t Xmin, Ymin; // image origin + uint16_t Xmax, Ymax; // image dimensions + uint16_t Hres, Vres; // resolution values + uint8_t ColorMap[16][3]; // color palette + char Reserved; + char ColorPlanes; // color planes + uint16_t BytesPerLine; // line buffer size + uint16_t PaletteType; // grey or color palette + char Filter[58]; +} PCXHEADER; +#pragma pack() + +public: + CxImagePCX(): CxImage(CXIMAGE_FORMAT_PCX) {} + +// bool Load(const TCHAR * imageFileName){ return CxImage::Load(imageFileName,CXIMAGE_FORMAT_PCX);} +// bool Save(const TCHAR * imageFileName){ return CxImage::Save(imageFileName,CXIMAGE_FORMAT_PCX);} + bool Decode(CxFile * hFile); + bool Decode(FILE *hFile) { CxIOFile file(hFile); return Decode(&file); } + +#if CXIMAGE_SUPPORT_ENCODE + bool Encode(CxFile * hFile); + bool Encode(FILE *hFile) { CxIOFile file(hFile); return Encode(&file); } +#endif // CXIMAGE_SUPPORT_ENCODE +protected: + bool PCX_PlanesToPixels(uint8_t * pixels, uint8_t * bitplanes, int16_t bytesperline, int16_t planes, int16_t bitsperpixel); + bool PCX_UnpackPixels(uint8_t * pixels, uint8_t * bitplanes, int16_t bytesperline, int16_t planes, int16_t bitsperpixel); + void PCX_PackPixels(const int32_t p,uint8_t &c, uint8_t &n, CxFile &f); + void PCX_PackPlanes(uint8_t* buff, const int32_t size, CxFile &f); + void PCX_PixelsToPlanes(uint8_t* raw, int32_t width, uint8_t* buf, int32_t plane); + void PCX_toh(PCXHEADER* p); +}; + +#endif + +#endif diff --git a/smelt/glfw/CxImage/ximapng.cpp b/smelt/glfw/CxImage/ximapng.cpp new file mode 100644 index 0000000..db2f636 --- /dev/null +++ b/smelt/glfw/CxImage/ximapng.cpp @@ -0,0 +1,644 @@ +/* + * File: ximapng.cpp + * Purpose: Platform Independent PNG Image Class Loader and Writer + * 07/Aug/2001 Davide Pizzolato - www.xdp.it + * CxImage version 7.0.0 31/Dec/2010 + */ + +#include "ximapng.h" + +#if CXIMAGE_SUPPORT_PNG + +#include "ximaiter.h" + +//////////////////////////////////////////////////////////////////////////////// +void CxImagePNG::ima_png_error(png_struct *png_ptr, char *message) +{ + strcpy(info.szLastError,message); +#if PNG_LIBPNG_VER > 10399 + longjmp(png_jmpbuf(png_ptr), 1); +#else + longjmp(png_ptr->jmpbuf, 1); +#endif +} +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +void CxImagePNG::expand2to4bpp(uint8_t* prow) +{ + uint8_t *psrc,*pdst; + uint8_t pos,idx; + for(int32_t x=head.biWidth-1;x>=0;x--){ + psrc = prow + ((2*x)>>3); + pdst = prow + ((4*x)>>3); + pos = (uint8_t)(2*(3-x%4)); + idx = (uint8_t)((*psrc & (0x03<>pos); + pos = (uint8_t)(4*(1-x%2)); + *pdst &= ~(0x0F< 10399 + if (setjmp(png_jmpbuf(png_ptr))) { +#else + if (setjmp(png_ptr->jmpbuf)) { +#endif + /* Free all of the memory associated with the png_ptr and info_ptr */ + delete [] row_pointers; + png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp)NULL); + cx_throw(""); + } + + // use custom I/O functions + png_set_read_fn(png_ptr, hFile, /*(png_rw_ptr)*/user_read_data); + png_set_error_fn(png_ptr,info.szLastError,/*(png_error_ptr)*/user_error_fn,NULL); + + /* read the file information */ + png_read_info(png_ptr, info_ptr); + + png_uint_32 _width,_height; + int _bit_depth,_color_type,_interlace_type,_compression_type,_filter_type; +#if PNG_LIBPNG_VER > 10399 + png_get_IHDR(png_ptr,info_ptr,&_width,&_height,&_bit_depth,&_color_type, + &_interlace_type,&_compression_type,&_filter_type); +#else + _width=info_ptr->width; + _height=info_ptr->height; + _bit_depth=info_ptr->bit_depth; + _color_type=info_ptr->color_type; + _interlace_type=info_ptr->interlace_type; + //_compression_type=info_ptr->compression_type; + //_filter_type=info_ptr->filter_type; +#endif + + if (info.nEscape == -1){ + head.biWidth = _width; + head.biHeight= _height; + info.dwType = CXIMAGE_FORMAT_PNG; +#if PNG_LIBPNG_VER > 10399 + longjmp(png_jmpbuf(png_ptr), 1); +#else + longjmp(png_ptr->jmpbuf, 1); +#endif + } + + /* calculate new number of channels */ + int32_t channels=0; + switch(_color_type){ + case PNG_COLOR_TYPE_GRAY: + case PNG_COLOR_TYPE_PALETTE: + channels = 1; + break; + case PNG_COLOR_TYPE_GRAY_ALPHA: + channels = 2; + break; + case PNG_COLOR_TYPE_RGB: + channels = 3; + break; + case PNG_COLOR_TYPE_RGB_ALPHA: + channels = 4; + break; + default: + strcpy(info.szLastError,"unknown PNG color type"); +#if PNG_LIBPNG_VER > 10399 + longjmp(png_jmpbuf(png_ptr), 1); +#else + longjmp(png_ptr->jmpbuf, 1); +#endif + } + + //find the right pixel depth used for cximage +#if PNG_LIBPNG_VER > 10399 + int pixel_depth = _bit_depth * png_get_channels(png_ptr,info_ptr); +#else + int pixel_depth = info_ptr->pixel_depth; +#endif + if (channels == 1 && pixel_depth>8) pixel_depth=8; + if (channels == 2) pixel_depth=8; + if (channels >= 3) pixel_depth=24; + + if (!Create(_width, _height, pixel_depth, CXIMAGE_FORMAT_PNG)){ +#if PNG_LIBPNG_VER > 10399 + longjmp(png_jmpbuf(png_ptr), 1); +#else + longjmp(png_ptr->jmpbuf, 1); +#endif + } + + /* get metrics */ + png_uint_32 _x_pixels_per_unit,_y_pixels_per_unit; + int _phys_unit_type; +#if PNG_LIBPNG_VER > 10399 + png_get_pHYs(png_ptr,info_ptr,&_x_pixels_per_unit,&_y_pixels_per_unit,&_phys_unit_type); +#else + _x_pixels_per_unit=info_ptr->x_pixels_per_unit; + _y_pixels_per_unit=info_ptr->y_pixels_per_unit; + _phys_unit_type=info_ptr->phys_unit_type; +#endif + switch (_phys_unit_type) + { + case PNG_RESOLUTION_UNKNOWN: + SetXDPI(_x_pixels_per_unit); + SetYDPI(_y_pixels_per_unit); + break; + case PNG_RESOLUTION_METER: + SetXDPI((long)floor(_x_pixels_per_unit * 254.0 / 10000.0 + 0.5)); + SetYDPI((long)floor(_y_pixels_per_unit * 254.0 / 10000.0 + 0.5)); + break; + } + + int _num_palette; + png_colorp _palette; +#if PNG_LIBPNG_VER > 10399 + png_get_PLTE(png_ptr,info_ptr,&_palette,&_num_palette); +#else + _num_palette=info_ptr->num_palette; + _palette=info_ptr->palette; +#endif + if (_num_palette>0){ + SetPalette((rgb_color*)_palette,_num_palette); + SetClrImportant(_num_palette); + } else if (_bit_depth ==2) { // needed for 2 bpp grayscale PNGs + SetPaletteColor(0,0,0,0); + SetPaletteColor(1,85,85,85); + SetPaletteColor(2,170,170,170); + SetPaletteColor(3,255,255,255); + } else SetGrayPalette(); // needed for grayscale PNGs + + int nshift = max(0,(_bit_depth>>3)-1)<<3; + + png_bytep _trans_alpha; + int _num_trans; + png_color_16p _trans_color; +#if PNG_LIBPNG_VER > 10399 + png_get_tRNS(png_ptr,info_ptr,&_trans_alpha,&_num_trans,&_trans_color); +#else + _num_trans=info_ptr->num_trans; +#endif + if (_num_trans!=0){ //palette transparency + if (_num_trans==1){ + if (_color_type == PNG_COLOR_TYPE_PALETTE){ + info.nBkgndIndex = _trans_color->index; + } else{ + info.nBkgndIndex = _trans_color->gray>>nshift; + } + } + if (_num_trans>1){ + RGBQUAD* pal=GetPalette(); + if (pal){ + uint32_t ip; + if(_trans_alpha != 0) { + for (ip=0;ipred>>nshift); + info.nBkgndColor.rgbGreen = (uint8_t)(_trans_color->green>>nshift); + info.nBkgndColor.rgbBlue = (uint8_t)(_trans_color->blue>>nshift); + info.nBkgndColor.rgbReserved = 0; + info.nBkgndIndex = 0; + } + } + + int32_t alpha_present = (channels - 1) % 2; + if (alpha_present){ +#if CXIMAGE_SUPPORT_ALPHA // + AlphaCreate(); +#else + png_set_strip_alpha(png_ptr); +#endif //CXIMAGE_SUPPORT_ALPHA + } + + // - flip the RGB pixels to BGR (or RGBA to BGRA) + if (_color_type & PNG_COLOR_MASK_COLOR){ + png_set_bgr(png_ptr); + } + + // - handle cancel + if (info.nEscape) +#if PNG_LIBPNG_VER > 10399 + longjmp(png_jmpbuf(png_ptr), 1); +#else + longjmp(png_ptr->jmpbuf, 1); +#endif + + // row_bytes is the width x number of channels x (bit-depth / 8) +#if PNG_LIBPNG_VER > 10399 + row_pointers = new uint8_t[png_get_rowbytes(png_ptr,info_ptr) + 8]; +#else + row_pointers = new uint8_t[info_ptr->rowbytes + 8]; +#endif + + + // turn on interlace handling + int32_t number_passes = png_set_interlace_handling(png_ptr); + + if (number_passes>1){ + SetCodecOption( (ENCODE_INTERLACE) | GetCodecOption(CXIMAGE_FORMAT_PNG)); + } else { + SetCodecOption(~(ENCODE_INTERLACE) & GetCodecOption(CXIMAGE_FORMAT_PNG)); + } + + int chan_offset = _bit_depth >> 3; +#if PNG_LIBPNG_VER > 10399 + int pixel_offset = (_bit_depth * png_get_channels(png_ptr,info_ptr)) >> 3; +#else + int pixel_offset = info_ptr->pixel_depth >> 3; +#endif + + for (int32_t pass=0; pass < number_passes; pass++) { + iter.Upset(); + int32_t y=0; + do { + + // - handle cancel + if (info.nEscape) +#if PNG_LIBPNG_VER > 10399 + longjmp(png_jmpbuf(png_ptr), 1); +#else + longjmp(png_ptr->jmpbuf, 1); +#endif + +#if CXIMAGE_SUPPORT_ALPHA // + if (AlphaIsValid()) { + + //compute the correct position of the line + int32_t ax,ay; + ay = head.biHeight-1-y; + uint8_t* prow= iter.GetRow(ay); + + //recover data from previous scan + if (_interlace_type && pass>0 && pass!=7){ + for(ax=0;ax RGB + A + for(ax=0;ax0){ +#if PNG_LIBPNG_VER > 10399 + iter.GetRow(row_pointers, png_get_rowbytes(png_ptr,info_ptr)); +#else + iter.GetRow(row_pointers, info_ptr->rowbytes); +#endif + //re-expand buffer for images with bit depth > 8 + if (_bit_depth > 8){ + for(int32_t ax=(head.biWidth*channels-1);ax>=0;ax--) + row_pointers[ax*chan_offset] = row_pointers[ax]; + } + } + + //read next row + png_read_row(png_ptr, row_pointers, NULL); + + //shrink 16 bit depth images down to 8 bits + if (_bit_depth > 8){ + for(int32_t ax=0;ax<(head.biWidth*channels);ax++) + row_pointers[ax] = row_pointers[ax*chan_offset]; + } + + //copy the pixels +#if PNG_LIBPNG_VER > 10399 + iter.SetRow(row_pointers, png_get_rowbytes(png_ptr,info_ptr)); +#else + iter.SetRow(row_pointers, info_ptr->rowbytes); +#endif + // expand 2 bpp images only in the last pass + if (_bit_depth==2 && pass==(number_passes-1)) + expand2to4bpp(iter.GetRow()); + + //go on + iter.PrevRow(); + } + + y++; + } while(yjmpbuf)){ + /* If we get here, we had a problem reading the file */ + if (info_ptr->palette) free(info_ptr->palette); + png_destroy_write_struct(&png_ptr, (png_infopp)&info_ptr); + cx_throw("Error saving PNG file"); + } + + /* set up the output control */ + //png_init_io(png_ptr, hFile); + + // use custom I/O functions + png_set_write_fn(png_ptr,hFile,/*(png_rw_ptr)*/user_write_data,/*(png_flush_ptr)*/user_flush_data); + + /* set the file information here */ + info_ptr->width = GetWidth(); + info_ptr->height = GetHeight(); + info_ptr->pixel_depth = (uint8_t)GetBpp(); + info_ptr->channels = (GetBpp()>8) ? (uint8_t)3: (uint8_t)1; + info_ptr->bit_depth = (uint8_t)(GetBpp()/info_ptr->channels); + info_ptr->compression_type = info_ptr->filter_type = 0; + info_ptr->valid = 0; + + // set interlace type + DWORD codec_opt = GetCodecOption(CXIMAGE_FORMAT_PNG); + if (codec_opt & CxImagePNG::ENCODE_INTERLACE) + info_ptr->interlace_type = PNG_INTERLACE_ADAM7; + else + info_ptr->interlace_type = PNG_INTERLACE_NONE; + + /* set compression level */ + int32_t compress_level; + switch (codec_opt & CxImagePNG::ENCODE_COMPRESSION_MASK) + { + case ENCODE_NO_COMPRESSION: + compress_level = Z_NO_COMPRESSION; + break; + case ENCODE_BEST_SPEED: + compress_level = Z_BEST_SPEED; + break; + case ENCODE_BEST_COMPRESSION: + compress_level = Z_BEST_COMPRESSION; + break; + default: + compress_level = Z_DEFAULT_COMPRESSION; + break; + } + png_set_compression_level(png_ptr, compress_level); + + bool bGrayScale = IsGrayScale(); + + if (GetNumColors()){ + if (bGrayScale){ + info_ptr->color_type = PNG_COLOR_TYPE_GRAY; + } else { + info_ptr->color_type = PNG_COLOR_TYPE_PALETTE; + } + } else { + info_ptr->color_type = PNG_COLOR_TYPE_RGB; + } +#if CXIMAGE_SUPPORT_ALPHA + if (AlphaIsValid()){ + info_ptr->color_type |= PNG_COLOR_MASK_ALPHA; + info_ptr->channels++; + info_ptr->bit_depth = 8; + info_ptr->pixel_depth += 8; + } +#endif + + /* set background */ + png_color_16 image_background={ 0, 255, 255, 255, 0 }; + RGBQUAD tc = GetTransColor(); + if (info.nBkgndIndex>=0) { + image_background.blue = tc.rgbBlue; + image_background.green = tc.rgbGreen; + image_background.red = tc.rgbRed; + } + png_set_bKGD(png_ptr, info_ptr, &image_background); + + /* set metrics */ + png_set_pHYs(png_ptr, info_ptr, head.biXPelsPerMeter, head.biYPelsPerMeter, PNG_RESOLUTION_METER); + + png_set_IHDR(png_ptr, info_ptr, info_ptr->width, info_ptr->height, info_ptr->bit_depth, + info_ptr->color_type, info_ptr->interlace_type, + PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE); + + // simple transparency + if (info.nBkgndIndex >= 0){ + info_ptr->num_trans = 1; + info_ptr->valid |= PNG_INFO_tRNS; + info_ptr->trans_alpha = trans; + info_ptr->trans_color.index = (uint8_t)info.nBkgndIndex; + info_ptr->trans_color.red = tc.rgbRed; + info_ptr->trans_color.green = tc.rgbGreen; + info_ptr->trans_color.blue = tc.rgbBlue; + info_ptr->trans_color.gray = info_ptr->trans_color.index; + + // the transparency indexes start from 0 for non grayscale palette + if (!bGrayScale && head.biClrUsed && info.nBkgndIndex) + SwapIndex(0,(uint8_t)info.nBkgndIndex); + } + + /* set the palette if there is one */ + if (GetPalette()){ + if (!bGrayScale){ + info_ptr->valid |= PNG_INFO_PLTE; + } + + int32_t nc = GetClrImportant(); + if (nc==0) nc = GetNumColors(); + + if (info.bAlphaPaletteEnabled){ + for(uint16_t ip=0; ipnum_trans = (uint16_t)nc; + info_ptr->valid |= PNG_INFO_tRNS; + info_ptr->trans_alpha = trans; + } + + // copy the palette colors + info_ptr->palette = new png_color[nc]; + info_ptr->num_palette = (png_uint_16) nc; + for (int32_t i=0; ipalette[i].red, &info_ptr->palette[i].green, &info_ptr->palette[i].blue); + } + +#if CXIMAGE_SUPPORT_ALPHA // + //Merge the transparent color with the alpha channel + if (AlphaIsValid() && head.biBitCount==24 && info.nBkgndIndex>=0){ + for(int32_t y=0; y < head.biHeight; y++){ + for(int32_t x=0; x < head.biWidth ; x++){ + RGBQUAD c=GetPixelColor(x,y,false); + if (*(int32_t*)&c==*(int32_t*)&tc) + AlphaSet(x,y,0); + } } } +#endif // CXIMAGE_SUPPORT_ALPHA // + + int32_t row_size = max(info.dwEffWidth, info_ptr->width*info_ptr->channels*(info_ptr->bit_depth/8)); + info_ptr->rowbytes = row_size; + uint8_t *row_pointers = new uint8_t[row_size]; + + /* write the file information */ + png_write_info(png_ptr, info_ptr); + + //interlace handling + int32_t num_pass = png_set_interlace_handling(png_ptr); + for (int32_t pass = 0; pass < num_pass; pass++){ + //write image + iter.Upset(); + int32_t ay=head.biHeight-1; + RGBQUAD c; + do { +#if CXIMAGE_SUPPORT_ALPHA // + if (AlphaIsValid()){ + for (int32_t ax=head.biWidth-1; ax>=0;ax--){ + c = BlindGetPixelColor(ax,ay); + int32_t px = ax * info_ptr->channels; + if (!bGrayScale){ + row_pointers[px++]=c.rgbRed; + row_pointers[px++]=c.rgbGreen; + } + row_pointers[px++]=c.rgbBlue; + row_pointers[px] = AlphaGet(ax,ay); + } + png_write_row(png_ptr, row_pointers); + ay--; + } + else +#endif //CXIMAGE_SUPPORT_ALPHA // + { + iter.GetRow(row_pointers, row_size); + if (info_ptr->color_type == PNG_COLOR_TYPE_RGB) //HACK BY OP + RGBtoBGR(row_pointers, row_size); + png_write_row(png_ptr, row_pointers); + } + } while(iter.PrevRow()); + } + + delete [] row_pointers; + row_pointers = NULL; + + //if necessary, restore the original palette + if (!bGrayScale && head.biClrUsed && info.nBkgndIndex>0) + SwapIndex((uint8_t)info.nBkgndIndex,0); + + /* It is REQUIRED to call this to finish writing the rest of the file */ + png_write_end(png_ptr, info_ptr); + + /* if you malloced the palette, free it here */ + if (info_ptr->palette){ + delete [] (info_ptr->palette); + info_ptr->palette = NULL; + } + + /* clean up after the write, and free any memory allocated */ + png_destroy_write_struct(&png_ptr, (png_infopp)&info_ptr); + + } cx_catch { + if (strcmp(message,"")) strncpy(info.szLastError,message,255); + return FALSE; + } + /* that's it */ + return TRUE; +} +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_PNG diff --git a/smelt/glfw/CxImage/ximapng.h b/smelt/glfw/CxImage/ximapng.h new file mode 100644 index 0000000..bc53e52 --- /dev/null +++ b/smelt/glfw/CxImage/ximapng.h @@ -0,0 +1,95 @@ +/* + * File: ximapng.h + * Purpose: PNG Image Class Loader and Writer + */ +/* ========================================================== + * CxImagePNG (c) 07/Aug/2001 Davide Pizzolato - www.xdp.it + * For conditions of distribution and use, see copyright notice in ximage.h + * + * Special thanks to Troels Knakkergaard for new features, enhancements and bugfixes + * + * original CImagePNG and CImageIterator implementation are: + * Copyright: (c) 1995, Alejandro Aguilar Sierra + * + * libpng Copyright (c) 1998-2003 Glenn Randers-Pehrson + * ========================================================== + */ +#if !defined(__ximaPNG_h) +#define __ximaPNG_h + +#include "ximage.h" + +#if CXIMAGE_SUPPORT_PNG + +extern "C" { +#ifdef _LINUX + #undef _DLL + #include +#else + #include "png.h" +#endif +} + +class CxImagePNG: public CxImage +{ +public: + CxImagePNG(): CxImage(CXIMAGE_FORMAT_PNG) {} + +// bool Load(const TCHAR * imageFileName){ return CxImage::Load(imageFileName,CXIMAGE_FORMAT_PNG);} +// bool Save(const TCHAR * imageFileName){ return CxImage::Save(imageFileName,CXIMAGE_FORMAT_PNG);} + bool Decode(CxFile * hFile); + bool Decode(FILE *hFile) { CxIOFile file(hFile); return Decode(&file); } + +#if CXIMAGE_SUPPORT_ENCODE + bool Encode(CxFile * hFile); + bool Encode(FILE *hFile) { CxIOFile file(hFile); return Encode(&file); } +#endif // CXIMAGE_SUPPORT_ENCODE + + enum CODEC_OPTION + { + ENCODE_INTERLACE = 0x01, + // Exclusive compression types : 3 bit wide field + ENCODE_COMPRESSION_MASK = 0x0E, + ENCODE_NO_COMPRESSION = 1 << 1, + ENCODE_BEST_SPEED = 2 << 1, + ENCODE_BEST_COMPRESSION = 3 << 1, + ENCODE_DEFAULT_COMPRESSION = 4 << 1 + }; + +protected: + void ima_png_error(png_struct *png_ptr, char *message); + void expand2to4bpp(uint8_t* prow); + + static void PNGAPI user_read_data(png_structp png_ptr, png_bytep data, png_size_t length) + { + CxFile* hFile = (CxFile*)png_get_io_ptr(png_ptr); + if (hFile == NULL || hFile->Read(data,1,length) != length) png_error(png_ptr, "Read Error"); + } + + static void PNGAPI user_write_data(png_structp png_ptr, png_bytep data, png_size_t length) + { + CxFile* hFile = (CxFile*)png_get_io_ptr(png_ptr); + if (hFile == NULL || hFile->Write(data,1,length) != length) png_error(png_ptr, "Write Error"); + } + + static void PNGAPI user_flush_data(png_structp png_ptr) + { + CxFile* hFile = (CxFile*)png_get_io_ptr(png_ptr); + if (hFile == NULL || !hFile->Flush()) png_error(png_ptr, "Flush Error"); + } + + static void PNGAPI user_error_fn(png_structp png_ptr,png_const_charp error_msg) + { +#if PNG_LIBPNG_VER > 10399 + strncpy((char*)png_get_error_ptr(png_ptr),error_msg,255); + longjmp(png_jmpbuf(png_ptr), 1); +#else + strncpy((char*)png_ptr->error_ptr,error_msg,255); + longjmp(png_ptr->jmpbuf, 1); +#endif + } +}; + +#endif + +#endif diff --git a/smelt/glfw/CxImage/ximapsd.cpp b/smelt/glfw/CxImage/ximapsd.cpp new file mode 100644 index 0000000..2d8417b --- /dev/null +++ b/smelt/glfw/CxImage/ximapsd.cpp @@ -0,0 +1,1307 @@ +/* + * File: ximapsd.cpp + * Purpose: Platform Independent PSD Image Class Loader + * Dec/2010 Davide Pizzolato - www.xdp.it + * CxImage version 7.0.0 31/Dec/2010 + * + * libpsd (c) 2004-2007 Graphest Software + * + * Based on MyPSD class by Iosif Hamlatzis + * Details: http://www.codeproject.com/KB/graphics/MyPSD.aspx + * Cleaned up a bit and ported to CxImage by Vitaly Ovchinnikov + * Send feedback to vitaly(dot)ovchinnikov(at)gmail.com + */ + +#include "ximapsd.h" + +#if CXIMAGE_SUPPORT_PSD + +enum { + PSD_FILE_HEADER, + PSD_COLOR_MODE_DATA, + PSD_IMAGE_RESOURCE, + PSD_LAYER_AND_MASK_INFORMATION, + PSD_IMAGE_DATA, + PSD_DONE +}; + +//////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_USE_LIBPSD == 0 +// MyPSD.h ///////////////////////////////////////////////////////////////////// + +#ifndef __MyPSD_H__ +#define __MyPSD_H__ + +namespace MyPSD +{ + + class CPSD + { + struct HEADER_INFO + { + //Table 2-12: HeaderInfo Color spaces + // Color-ID Name Description + //------------------------------------------- + // 0 Bitmap // Probably means black & white + // 1 Grayscale The first value in the color data is the gray value, from 0...10000. + // 2 Indexed + // 3 RGB The first three values in the color data are red, green, and blue. + // They are full unsigned 16–bit values as in Apple’s RGBColor data + // structure. Pure red=65535,0,0. + // 4 CMYK The four values in the color data are cyan, magenta, yellow, and + // black. They are full unsigned 16–bit values. 0=100% ink. Pure + // cyan=0,65535,65535,65535. + // 7 Multichannel // Have no idea + // 8 Duotone + // 9 Lab The first three values in the color data are lightness, a chrominance, + // and b chrominance. + // Lightness is a 16–bit value from 0...100. The chromanance components + // are each 16–bit values from –128...127. Gray values + // are represented by chrominance components of 0. Pure + // white=100,0,0. + short nChannels; + int nHeight; + int nWidth; + short nBitsPerPixel; + short nColourMode; + HEADER_INFO(); + }; + + struct COLOUR_MODE_DATA + { + int nLength; + unsigned char* ColourData; + COLOUR_MODE_DATA(); + }; + + + struct IMAGE_RESOURCE + { + // Table 2–1: Image resource block + // Type Name Description + //------------------------------------------- + // OSType Type Photoshop always uses its signature, 8BIM + // int16 ID Unique identifier + // PString Name A pascal string, padded to make size even (a null name consists of two bytes of 0) + // Pascal style string where the first byte gives the length of the + // string and the content bytes follow. + // int32 Size Actual size of resource data. This does not include the + // Type, ID, Name, or Size fields. + // Variable Data Resource data, padded to make size even + int nLength; + char OSType[4]; + short nID; + unsigned char* Name; + int nSize; + IMAGE_RESOURCE(); + void Reset(); + }; + + struct RESOLUTION_INFO + { + // Table A-6: ResolutionInfo structure + // Type Name Description + //------------------------------------------- + // Fixed hRes Horizontal resolution in pixels per inch. + // int hResUnit 1=display horizontal resolution in pixels per inch; + // 2=display horizontal resolution in pixels per cm. + // short widthUnit Display width as 1=inches; 2=cm; 3=points; 4=picas; 5=columns. + // Fixed vRes Vertical resolution in pixels per inch. + // int vResUnit 1=display vertical resolution in pixels per inch; + // 2=display vertical resolution in pixels per cm. + // short heightUnit Display height as 1=inches; 2=cm; 3=points; 4=picas; 5=columns. + short hRes; + int hResUnit; + short widthUnit; + + short vRes; + int vResUnit; + short heightUnit; + RESOLUTION_INFO(); + }; + + struct RESOLUTION_INFO_v2 // Obsolete - Photoshop 2.0 + { + short nChannels; + short nRows; + short nColumns; + short nDepth; + short nMode; + RESOLUTION_INFO_v2(); + }; + + struct DISPLAY_INFO + { + // This structure contains display information about each channel. + //Table A-7: DisplayInfo Color spaces + // Color-ID Name Description + //------------------------------------------- + // 0 RGB The first three values in the color data are red, green, and blue. + // They are full unsigned 16–bit values as in Apple’s RGBColor data + // structure. Pure red=65535,0,0. + // 1 HSB The first three values in the color data are hue, saturation, and + // brightness. They are full unsigned 16–bit values as in Apple’s + // HSVColor data structure. Pure red=0,65535, 65535. + // 2 CMYK The four values in the color data are cyan, magenta, yellow, and + // black. They are full unsigned 16–bit values. 0=100% ink. Pure + // cyan=0,65535,65535,65535. + // 7 Lab The first three values in the color data are lightness, a chrominance, + // and b chrominance. + // Lightness is a 16–bit value from 0...10000. The chromanance components + // are each 16–bit values from –12800...12700. Gray values + // are represented by chrominance components of 0. Pure + // white=10000,0,0. + // 8 grayscale The first value in the color data is the gray value, from 0...10000. + short ColourSpace; + short Colour[4]; + short Opacity; // 0..100 + bool kind; // selected = 0, protected = 1 + unsigned char padding; // should be zero + DISPLAY_INFO(); + }; + struct THUMBNAIL + { + // Adobe Photoshop 5.0 and later stores thumbnail information for preview + // display in an image resource block. These resource blocks consist of an + // 28 byte header, followed by a JFIF thumbnail in RGB (red, green, blue) + // for both Macintosh and Windows. Adobe Photoshop 4.0 stored the + // thumbnail information in the same format except the data section is + // (blue, green, red). The Adobe Photoshop 4.0 format is at resource ID + // and the Adobe Photoshop 5.0 format is at resource ID 1036. + // Table 2–5: Thumnail resource header + // Type Name Description + //------------------------------------------- + // 4 bytes format = 1 (kJpegRGB). Also supports kRawRGB (0). + // 4 bytes width Width of thumbnail in pixels. + // 4 bytes height Height of thumbnail in pixels. + // 4 bytes widthbytes Padded row bytes as (width * bitspixel + 31) / 32 * 4. + // 4 bytes size Total size as widthbytes * height * planes + // 4 bytes compressedsize Size after compression. Used for consistentcy check. + // 2 bytes bitspixel = 24. Bits per pixel. + // 2 bytes planes = 1. Number of planes. + // Variable Data JFIF data in RGB format. + // Note: For resource ID 1033 the data is in BGR format. + int nFormat; + int nWidth; + int nHeight; + int nWidthBytes; + int nSize; + int nCompressedSize; + short nBitPerPixel; + short nPlanes; + unsigned char* Data; + THUMBNAIL(); + }; + + + CxImage &m_image; + + HEADER_INFO header_info; + + COLOUR_MODE_DATA colour_mode_data; + short mnColourCount; + short mnTransparentIndex; + + IMAGE_RESOURCE image_resource; + + int mnGlobalAngle; + + RESOLUTION_INFO resolution_info; + bool mbResolutionInfoFilled; + + RESOLUTION_INFO_v2 resolution_info_v2; + bool mbResolutionInfoFilled_v2; + + DISPLAY_INFO display_info; + bool mbDisplayInfoFilled; + + THUMBNAIL thumbnail; + bool mbThumbNailFilled; + + bool mbCopyright; + + int Calculate(unsigned char* c, int nDigits); + void XYZToRGB(const double X, const double Y, const double Z, int &R, int &G, int &B); + void LabToRGB(const int L, const int a, const int b, int &R, int &G, int &B ); + void CMYKToRGB(const double C, const double M, const double Y, const double K, int &R, int &G, int &B); + + bool ReadHeader(CxFile &f, HEADER_INFO& header_info); + bool ReadColourModeData(CxFile &f, COLOUR_MODE_DATA& colour_mode_data); + bool ReadImageResource(CxFile &f, IMAGE_RESOURCE& image_resource); + bool ReadLayerAndMaskInfoSection(CxFile &f); // Actually ignore it + int ReadImageData(CxFile &f); + + int DecodeRawData(CxFile &pFile); + int DecodeRLEData(CxFile &pFile); + + void ProccessBuffer(unsigned char* pData = 0); + + public: + CPSD(CxImage &image); + ~CPSD(); + + int Load(LPCTSTR szPathName); + int Load(CxFile &file); + + bool ThumbNailIncluded() const { return mbThumbNailFilled; } + void DPI(int &x, int &y) const { x = resolution_info.hRes; y = resolution_info.vRes; } + void Dimensions(int &cx, int &cy) const { cx = header_info.nWidth; cy = header_info.nHeight; } + int BitsPerPixel() const { return header_info.nBitsPerPixel; } + int GlobalAngle() const { return mnGlobalAngle; } + bool IsCopyright() const { return mbCopyright; } + HBITMAP Detach(); + }; +} + +#endif // __MyPSD_H__ + +// MyPSD.cpp /////////////////////////////////////////////////////////////////// + + +inline int dti(double value) { return (int)floor(value+.5f); } + +#define assert(a) + +#define mypsd_fread(a, b, c, d) d.Read(a, b, c) +#define mypsd_fseek(a, b, c) a.Seek(b, c) +#define mypsd_feof(a) a.Eof() + +namespace MyPSD +{ + CPSD::CPSD(CxImage &image) : m_image(image) + { + mbThumbNailFilled = false; + mbDisplayInfoFilled = false; + mbResolutionInfoFilled = false; + mbResolutionInfoFilled_v2 = false; + mnGlobalAngle = 30; + mbCopyright = false; + mnColourCount = -1; + mnTransparentIndex = -1; + } + CPSD::~CPSD() + { + // free memory + if ( 0 < colour_mode_data.nLength ) + delete[] colour_mode_data.ColourData; + colour_mode_data.ColourData = 0; + + if ( image_resource.Name ) + delete[] image_resource.Name; + image_resource.Name = 0; + } + + int CPSD::Calculate(unsigned char* c, int nDigits) + { + int nValue = 0; + + for(int n = 0; n < nDigits; ++n) + nValue = ( nValue << 8 ) | *(c+n); + + return nValue; + }; + + void CPSD::XYZToRGB(const double X, const double Y, const double Z, int &R, int &G, int &B) + { + // Standards used Observer = 2, Illuminant = D65 + // ref_X = 95.047, ref_Y = 100.000, ref_Z = 108.883 + const double ref_X = 95.047; + const double ref_Y = 100.000; + const double ref_Z = 108.883; + + double var_X = X / 100.0; + double var_Y = Y / 100.0; + double var_Z = Z / 100.0; + + double var_R = var_X * 3.2406 + var_Y * (-1.5372) + var_Z * (-0.4986); + double var_G = var_X * (-0.9689) + var_Y * 1.8758 + var_Z * 0.0415; + double var_B = var_X * 0.0557 + var_Y * (-0.2040) + var_Z * 1.0570; + + if ( var_R > 0.0031308 ) + var_R = 1.055 * ( pow(var_R, 1/2.4) ) - 0.055; + else + var_R = 12.92 * var_R; + + if ( var_G > 0.0031308 ) + var_G = 1.055 * ( pow(var_G, 1/2.4) ) - 0.055; + else + var_G = 12.92 * var_G; + + if ( var_B > 0.0031308 ) + var_B = 1.055 * ( pow(var_B, 1/2.4) )- 0.055; + else + var_B = 12.92 * var_B; + + R = (int)(var_R * 256.0); + G = (int)(var_G * 256.0); + B = (int)(var_B * 256.0); + }; + + void CPSD::LabToRGB(const int L, const int a, const int b, int &R, int &G, int &B ) + { + // For the conversion we first convert values to XYZ and then to RGB + // Standards used Observer = 2, Illuminant = D65 + // ref_X = 95.047, ref_Y = 100.000, ref_Z = 108.883 + const double ref_X = 95.047; + const double ref_Y = 100.000; + const double ref_Z = 108.883; + + double var_Y = ( (double)L + 16.0 ) / 116.0; + double var_X = (double)a / 500.0 + var_Y; + double var_Z = var_Y - (double)b / 200.0; + + if ( pow(var_Y, 3) > 0.008856 ) + var_Y = pow(var_Y, 3); + else + var_Y = ( var_Y - 16 / 116 ) / 7.787; + + if ( pow(var_X, 3) > 0.008856 ) + var_X = pow(var_X, 3); + else + var_X = ( var_X - 16 / 116 ) / 7.787; + + if ( pow(var_Z, 3) > 0.008856 ) + var_Z = pow(var_Z, 3); + else + var_Z = ( var_Z - 16 / 116 ) / 7.787; + + double X = ref_X * var_X; + double Y = ref_Y * var_Y; + double Z = ref_Z * var_Z; + + XYZToRGB(X, Y, Z, R, G, B); + }; + + void CPSD::CMYKToRGB(const double C, const double M, const double Y, const double K, int &R, int &G, int &B ) + { + R = dti( ( 1.0f - ( C *( 1.0f - K ) + K ) ) * 255.0f ); + G = dti( ( 1.0f - ( M *( 1.0f - K ) + K ) ) * 255.0f ); + B = dti( ( 1.0f - ( Y *( 1.0f - K ) + K ) ) * 255.0f ); + }; + + bool CPSD::ReadLayerAndMaskInfoSection(CxFile &pFile) // Actually ignore it + { + bool bSuccess = false; + + unsigned char DataLength[4]; + int nBytesRead = 0; + int nItemsRead = (int)(int)mypsd_fread(&DataLength, sizeof(DataLength), 1, pFile); + + int nTotalBytes = Calculate( DataLength, sizeof(DataLength) ); + + unsigned char data[1]; + while( !mypsd_feof( pFile ) && ( nBytesRead < nTotalBytes ) ) + { + data[0] = '\0'; + nItemsRead = (int)(int)mypsd_fread(&data, sizeof(data), 1, pFile); + nBytesRead += nItemsRead * sizeof(data); + } + + assert ( nBytesRead == nTotalBytes ); + if ( nBytesRead == nTotalBytes ) + bSuccess = true; + + return bSuccess; + } + bool CPSD::ReadImageResource(CxFile &pFile, IMAGE_RESOURCE& image_resource) + { + bool bSuccess = false; + + unsigned char Length[4]; + int nItemsRead = (int)(int)mypsd_fread(&Length, sizeof(Length), 1, pFile); + + image_resource.nLength = Calculate( Length, sizeof(image_resource.nLength) ); + + int nBytesRead = 0; + int nTotalBytes = image_resource.nLength; + + while( !mypsd_feof( pFile ) && ( nBytesRead < nTotalBytes ) ) + { + nItemsRead = 0; + image_resource.Reset(); + + nItemsRead = (int)(int)mypsd_fread(&image_resource.OSType, sizeof(image_resource.OSType), 1, pFile); + nBytesRead += nItemsRead * sizeof(image_resource.OSType); + + assert ( 0 == (nBytesRead % 2) ); + if (::memcmp(image_resource.OSType, "8BIM", 4) == 0) + { + unsigned char ID[2]; + nItemsRead = (int)(int)mypsd_fread(&ID, sizeof(ID), 1, pFile); + nBytesRead += nItemsRead * sizeof(ID); + + image_resource.nID = (short)Calculate( ID, sizeof(ID) ); + + unsigned char SizeOfName; + nItemsRead = (int)(int)mypsd_fread(&SizeOfName, sizeof(SizeOfName), 1, pFile); + nBytesRead += nItemsRead * sizeof(SizeOfName); + + int nSizeOfName = Calculate( &SizeOfName, sizeof(SizeOfName) ); + if ( 0 < nSizeOfName ) + { + image_resource.Name = new unsigned char[nSizeOfName]; + nItemsRead = (int)(int)mypsd_fread(image_resource.Name, nSizeOfName, 1, pFile); + nBytesRead += nItemsRead * nSizeOfName; + } + + if ( 0 == (nSizeOfName % 2) ) + { + nItemsRead = (int)(int)mypsd_fread(&SizeOfName, sizeof(SizeOfName), 1, pFile); + nBytesRead += nItemsRead * sizeof(SizeOfName); + } + + unsigned char Size[4]; + nItemsRead = (int)(int)mypsd_fread(&Size, sizeof(Size), 1, pFile); + nBytesRead += nItemsRead * sizeof(Size); + + image_resource.nSize = Calculate( Size, sizeof(image_resource.nSize) ); + + if ( 0 != (image_resource.nSize % 2) ) // resource data must be even + image_resource.nSize++; + if ( 0 < image_resource.nSize ) + { + unsigned char IntValue[4]; + unsigned char ShortValue[2]; + + switch( image_resource.nID ) + { + case 1000: + { + // Obsolete - Photoshop 2.0 + mbResolutionInfoFilled_v2 = true; + + nItemsRead = (int)(int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(ShortValue); + resolution_info_v2.nChannels = (short)Calculate(ShortValue, sizeof(resolution_info_v2.nChannels) ); + nItemsRead = (int)(int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(ShortValue); + resolution_info_v2.nRows = (short)Calculate(ShortValue, sizeof(resolution_info_v2.nRows) ); + nItemsRead = (int)(int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(ShortValue); + resolution_info_v2.nColumns = (short)Calculate(ShortValue, sizeof(resolution_info_v2.nColumns) ); + nItemsRead = (int)(int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(ShortValue); + resolution_info_v2.nDepth = (short)Calculate(ShortValue, sizeof(resolution_info_v2.nDepth) ); + nItemsRead = (int)(int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(ShortValue); + resolution_info_v2.nMode = (short)Calculate(ShortValue, sizeof(resolution_info_v2.nMode) ); + } + break; + case 1005: + { + mbResolutionInfoFilled = true; + + nItemsRead = (int)(int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(ShortValue); + resolution_info.hRes = (short)Calculate(ShortValue, sizeof(resolution_info.hRes) ); + nItemsRead = (int)(int)mypsd_fread(&IntValue, sizeof(IntValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(IntValue); + resolution_info.hResUnit = Calculate(IntValue, sizeof(resolution_info.hResUnit) ); + nItemsRead = (int)(int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(ShortValue); + resolution_info.widthUnit = (short)Calculate(ShortValue, sizeof(resolution_info.widthUnit) ); + + nItemsRead = (int)(int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(ShortValue); + resolution_info.vRes = (short)Calculate(ShortValue, sizeof(resolution_info.vRes) ); + nItemsRead = (int)(int)mypsd_fread(&IntValue, sizeof(IntValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(IntValue); + resolution_info.vResUnit = Calculate(IntValue, sizeof(resolution_info.vResUnit) ); + nItemsRead = (int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(ShortValue); + resolution_info.heightUnit = (short)Calculate(ShortValue, sizeof(resolution_info.heightUnit) ); + } + break; + case 1007: + { + mbDisplayInfoFilled = true; + + nItemsRead = (int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(ShortValue); + display_info.ColourSpace = (short)Calculate(ShortValue, sizeof(display_info.ColourSpace) ); + + for ( unsigned int n = 0; n < 4; ++n ) + { + nItemsRead = (int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(ShortValue); + display_info.Colour[n] = (short)Calculate(ShortValue, sizeof(display_info.Colour[n]) ); + } + + nItemsRead = (int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(ShortValue); + display_info.Opacity = (short)Calculate(ShortValue, sizeof(display_info.Opacity) ); + assert ( 0 <= display_info.Opacity ); + assert ( 100 >= display_info.Opacity ); + + unsigned char c[1]; + nItemsRead = (int)mypsd_fread(&c, sizeof(c), 1, pFile); + nBytesRead += nItemsRead * sizeof(c); + ( 1 == Calculate(c, sizeof(c) ) ) ? display_info.kind = true : display_info.kind = false; + + nItemsRead = (int)mypsd_fread(&c, sizeof(c), 1, pFile); + nBytesRead += nItemsRead * sizeof(c); + display_info.padding = (unsigned int)Calculate(c, sizeof(c) ); + assert ( 0 == display_info.padding ); + } + break; + case 1034: + { + nItemsRead = (int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(ShortValue); + ( 1 == Calculate(ShortValue, sizeof(ShortValue) ) ) ? mbCopyright = true : mbCopyright = false; + } + break; + case 1033: + case 1036: + { + mbThumbNailFilled = true; + + nItemsRead = (int)mypsd_fread(&IntValue, sizeof(IntValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(IntValue); + thumbnail.nFormat = Calculate(IntValue, sizeof(thumbnail.nFormat) ); + + nItemsRead = (int)mypsd_fread(&IntValue, sizeof(IntValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(IntValue); + thumbnail.nWidth = Calculate(IntValue, sizeof(thumbnail.nWidth) ); + + nItemsRead = (int)mypsd_fread(&IntValue, sizeof(IntValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(IntValue); + thumbnail.nHeight = Calculate(IntValue, sizeof(thumbnail.nHeight) ); + + nItemsRead = (int)mypsd_fread(&IntValue, sizeof(IntValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(IntValue); + thumbnail.nWidthBytes = Calculate(IntValue, sizeof(thumbnail.nWidthBytes) ); + + nItemsRead = (int)mypsd_fread(&IntValue, sizeof(IntValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(IntValue); + thumbnail.nSize = Calculate(IntValue, sizeof(thumbnail.nSize) ); + + nItemsRead = (int)mypsd_fread(&IntValue, sizeof(IntValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(IntValue); + thumbnail.nCompressedSize = Calculate(IntValue, sizeof(thumbnail.nCompressedSize) ); + + nItemsRead = (int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(ShortValue); + thumbnail.nBitPerPixel = (short)Calculate(ShortValue, sizeof(thumbnail.nBitPerPixel) ); + + nItemsRead = (int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(ShortValue); + thumbnail.nPlanes = (short)Calculate(ShortValue, sizeof(thumbnail.nPlanes) ); + + int nTotalData = image_resource.nSize - 28; // header + unsigned char* buffer = new unsigned char[nTotalData]; + unsigned char c[1]; + if ( 1033 == image_resource.nID ) + { + // In BGR format + for (int n = 0; n < nTotalData; n = n +3 ) + { + nItemsRead = (int)mypsd_fread(&c, sizeof(unsigned char), 1, pFile); + nBytesRead += nItemsRead * sizeof(unsigned char); + buffer[n+2] = (unsigned char)Calculate(c, sizeof(unsigned char) ); + nItemsRead = (int)mypsd_fread(&c, sizeof(unsigned char), 1, pFile); + nBytesRead += nItemsRead * sizeof(unsigned char); + buffer[n+1] = (unsigned char)Calculate(c, sizeof(BYTE) ); + nItemsRead = (int)mypsd_fread(&c, sizeof(unsigned char), 1, pFile); + nBytesRead += nItemsRead * sizeof(unsigned char); + buffer[n] = (unsigned char)Calculate(c, sizeof(unsigned char) ); + } + } + else if ( 1036 == image_resource.nID ) + { + // In RGB format + for (int n = 0; n < nTotalData; ++n ) + { + nItemsRead = (int)mypsd_fread(&c, sizeof(BYTE), 1, pFile); + nBytesRead += nItemsRead * sizeof(BYTE); + buffer[n] = (BYTE)Calculate(c, sizeof(BYTE) ); + } + } + + delete[] buffer; + buffer = 0; + } + break; + case 1037: + { + nItemsRead = (int)mypsd_fread(&IntValue, sizeof(IntValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(IntValue); + mnGlobalAngle = Calculate(IntValue, sizeof(mnGlobalAngle) ); + } + break; + case 1046: + { + nItemsRead = (int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(ShortValue); + mnColourCount = (short)Calculate(ShortValue, sizeof(ShortValue) ); + } + break; + case 1047: + { + nItemsRead = (int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile); + nBytesRead += nItemsRead * sizeof(ShortValue); + mnTransparentIndex = (short)Calculate(ShortValue, sizeof(ShortValue) ); + } + break; + + default: + pFile.Seek(image_resource.nSize, SEEK_CUR); + nBytesRead += image_resource.nSize; + break; + } + } + } + } + + assert ( nBytesRead == nTotalBytes ); + if ( nBytesRead == nTotalBytes ) + bSuccess = true; + + return bSuccess; + } + bool CPSD::ReadColourModeData(CxFile &pFile, COLOUR_MODE_DATA& colour_mode_data) + { + // Only indexed colour and duotone have colour mode data, + // for all other modes this section is 4 bytes length, the length field is set to zero + + // For indexed color images, the length will be equal to 768, and the color + // will contain the color table for the image, in non–interleaved order. + + // For duotone images, the color data will contain the duotone specification, + // the format of which is not documented. Other applications that read + // Photoshop files can treat a duotone image as a grayscale image, and just + // preserve the contents of the duotone information when reading and writing + // the file. + + // free memory + if ( 0 < colour_mode_data.nLength ) + delete[] colour_mode_data.ColourData; + colour_mode_data.ColourData = 0; + + unsigned char Length[4]; + int nItemsRead = (int)mypsd_fread(&Length, sizeof(Length), 1, pFile); + + colour_mode_data.nLength = Calculate( Length, sizeof(colour_mode_data.nLength) ); + if ( 0 < colour_mode_data.nLength ) + { + colour_mode_data.ColourData = new unsigned char[colour_mode_data.nLength]; + nItemsRead = 0; + memset(colour_mode_data.ColourData, 254, colour_mode_data.nLength); + + nItemsRead += (int)mypsd_fread( colour_mode_data.ColourData, colour_mode_data.nLength, 1, pFile); + + } + + return true; + } + + bool CPSD::ReadHeader(CxFile &pFile, HEADER_INFO& header_info) + { + bool bSuccess = false; + + struct HEADER + { + char Signature[4]; // always equal 8BPS, do not read file if not + unsigned char Version[2]; // always equal 1, do not read file if not + char Reserved[6]; // must be zero + unsigned char Channels[2]; // numer of channels including any alpha channels, supported range 1 to 24 + unsigned char Rows[4]; // height in PIXELS, supported range 1 to 30000 + unsigned char Columns[4]; // width in PIXELS, supported range 1 to 30000 + unsigned char Depth[2]; // number of bpp + unsigned char Mode[2]; // colour mode of the file, + // Btmap=0, Grayscale=1, Indexed=2, RGB=3, + // CMYK=4, Multichannel=7, Duotone=8, Lab=9 + }; + + HEADER header; + int nItemsRead = (int)mypsd_fread(&header, sizeof(HEADER), 1, pFile); + if ( nItemsRead ) + { + if ( 0 == ::memcmp(header.Signature, "8BPS", 4)) + { + int nVersion = Calculate( header.Version, sizeof(header.Version) ); + + if ( 1 == nVersion ) + { + unsigned int n = 0; + bool bOK = true; + while ( (n < 6) && bOK ) + { + if ( '\0' != header.Reserved[n] ) + bOK = false; + n++; + } + bSuccess = bOK; + + if ( bSuccess ) + { + header_info.nChannels = (short)Calculate( header.Channels, sizeof(header.Channels) ); + header_info.nHeight = Calculate( header.Rows, sizeof(header.Rows) ); + header_info.nWidth = Calculate( header.Columns, sizeof(header.Columns) ); + header_info.nBitsPerPixel = (short)Calculate( header.Depth, sizeof(header.Depth) ); + header_info.nColourMode = (short)Calculate( header.Mode, sizeof(header.Mode) ); + } + } + } + } + + return bSuccess; + } + + + void CPSD::ProccessBuffer(unsigned char* pData ) + { + if (!pData) return; + + switch ( header_info.nColourMode ) + { + case 1: // Grayscale + case 8: // Duotone + { + bool bAlpha = header_info.nChannels > 1; + + int nPixels = header_info.nWidth * header_info.nHeight; + byte *pRGBA = new byte[nPixels * (bAlpha ? 4 : 3)]; + byte *pSrc = pData, *pDst = pRGBA; + for (int i = 0; i < nPixels; i++, pSrc += header_info.nChannels, pDst += bAlpha ? 4 : 3) + { + pDst[0] = pDst[1] = pDst[2] = pSrc[0]; + if (bAlpha) pDst[3] = pSrc[1]; + } + + m_image.CreateFromArray(pRGBA, header_info.nWidth, header_info.nHeight, bAlpha ? 32 : 24, header_info.nWidth * (bAlpha ? 4 : 3), true); + + delete [] pRGBA; + } + break; + case 2: // Indexed + { + if (!colour_mode_data.ColourData) break; + if (colour_mode_data.nLength != 768) break; + if (mnColourCount == 0) break; + + int nPixels = header_info.nWidth * header_info.nHeight; + byte *pRGB = new byte[nPixels * 3]; + ::memset(pRGB, 0, nPixels * 3); + byte *pSrc = pData, *pDst = pRGB; + for (int i = 0; i < nPixels; i++, pSrc += header_info.nChannels, pDst += 3) + { + int nIndex = *pSrc; + pDst[2] = colour_mode_data.ColourData[nIndex + 0 * 256]; + pDst[1] = colour_mode_data.ColourData[nIndex + 1 * 256]; + pDst[0] = colour_mode_data.ColourData[nIndex + 2 * 256]; + } + + m_image.CreateFromArray(pRGB, header_info.nWidth, header_info.nHeight, 24, header_info.nWidth * 3, true); + delete [] pRGB; + } + break; + case 3: // RGB + { + m_image.CreateFromArray(pData, header_info.nWidth, header_info.nHeight, header_info.nChannels == 3 ? 24 : 32, header_info.nWidth * header_info.nChannels, true); + m_image.SwapRGB2BGR(); + } + break; + case 4: // CMYK + { + bool bAlpha = header_info.nChannels > 4; + + int nPixels = header_info.nWidth * header_info.nHeight; + byte *pRGBA = new byte[nPixels * (bAlpha ? 4 : 3)]; + byte *pSrc = pData, *pDst = pRGBA; + double C, M, Y, K; + int nRed, nGreen, nBlue; + for (int i = 0; i < nPixels; i++, pSrc += header_info.nChannels, pDst += bAlpha ? 4 : 3) + { + C = (1.0 - (double)pSrc[0] / 256); + M = (1.0 - (double)pSrc[1] / 256); + Y = (1.0 - (double)pSrc[2] / 256); + K = (1.0 - (double)pSrc[3] / 256); + + CMYKToRGB(C, M, Y, K, nRed, nGreen, nBlue); + + if (0 > nRed) nRed = 0; else if (255 < nRed) nRed = 255; + if (0 > nGreen) nGreen = 0; else if (255 < nGreen) nGreen = 255; + if (0 > nBlue) nBlue = 0; else if (255 < nBlue) nBlue = 255; + + pDst[0] = nBlue; pDst[1] = nGreen; pDst[2] = nRed; + if (bAlpha) pDst[3] = pSrc[4]; + } + + m_image.CreateFromArray(pRGBA, header_info.nWidth, header_info.nHeight, bAlpha ? 32 : 24, header_info.nWidth * (bAlpha ? 4 : 3), true); + + delete [] pRGBA; + } + break; + case 7: // Multichannel + { + if (header_info.nChannels == 0 || header_info.nChannels > 4) break; // ??? + + int nPixels = header_info.nWidth * header_info.nHeight; + byte *pRGB = new byte[nPixels * 3]; + byte *pSrc = pData, *pDst = pRGB; + double C, M, Y, K; + int nRed, nGreen, nBlue; + for (int i = 0; i < nPixels; i++, pSrc += header_info.nChannels, pDst += 3) + { + C = M = Y = K = 0; + C = (1.0 - (double)pSrc[0] / 256); + if (header_info.nChannels > 1) M = (1.0 - (double)pSrc[1] / 256); + if (header_info.nChannels > 2) Y = (1.0 - (double)pSrc[2] / 256); + if (header_info.nChannels > 3) K = (1.0 - (double)pSrc[3] / 256); + + CMYKToRGB(C, M, Y, K, nRed, nGreen, nBlue); + + if (0 > nRed) nRed = 0; else if (255 < nRed) nRed = 255; + if (0 > nGreen) nGreen = 0; else if (255 < nGreen) nGreen = 255; + if (0 > nBlue) nBlue = 0; else if (255 < nBlue) nBlue = 255; + + pDst[0] = nBlue; pDst[1] = nGreen; pDst[2] = nRed; + } + + m_image.CreateFromArray(pRGB, header_info.nWidth, header_info.nHeight, 24, header_info.nWidth * 3, true); + + delete [] pRGB; + } + break; + case 9: // Lab + { + bool bAlpha = header_info.nChannels > 3; + + int nPixels = header_info.nWidth * header_info.nHeight; + byte *pRGBA = new byte[nPixels * (bAlpha ? 4 : 3)]; + byte *pSrc = pData, *pDst = pRGBA; + + double L_coef = 256.f / 100.f, a_coef = 256.f / 256.f, b_coef = 256.f / 256.f; + int L, a, b; + int nRed, nGreen, nBlue; + for (int i = 0; i < nPixels; i++, pSrc += header_info.nChannels, pDst += bAlpha ? 4 : 3) + { + L = (int)((float)pSrc[0] / L_coef); + a = (int)((float)pSrc[1] / a_coef - 128.0); + b = (int)((float)pSrc[2] / b_coef - 128.0); + + LabToRGB(L, a, b, nRed, nGreen, nBlue ); + + if (0 > nRed) nRed = 0; else if (255 < nRed) nRed = 255; + if (0 > nGreen) nGreen = 0; else if (255 < nGreen) nGreen = 255; + if (0 > nBlue) nBlue = 0; else if (255 < nBlue) nBlue = 255; + + pDst[0] = nBlue; pDst[1] = nGreen; pDst[2] = nRed; + if (bAlpha) pDst[3] = pSrc[3]; + } + + m_image.CreateFromArray(pRGBA, header_info.nWidth, header_info.nHeight, bAlpha ? 32 : 24, header_info.nWidth * (bAlpha ? 4 : 3), true); + + delete [] pRGBA; + } + break; + } + } + + int CPSD::Load(LPCTSTR szPathName) + { + CxIOFile f; + if (!f.Open(szPathName, _T("rb"))) return -1; + return Load(f); + } + + int CPSD::Load(CxFile &f) + { + if (!ReadHeader(f, header_info)) return -2; // Error in header + if (!ReadColourModeData(f, colour_mode_data)) return -3; // Error in ColourMode Data + if (!ReadImageResource(f, image_resource)) return -4; // Error in Image Resource + if (!ReadLayerAndMaskInfoSection(f)) return -5; // Error in Mask Info + if (ReadImageData(f) != 0) return -6; // Error in Image Data + return 0; // all right + } + + int CPSD::DecodeRawData( CxFile &pFile) + { + if (header_info.nBitsPerPixel != 8 && header_info.nBitsPerPixel != 16) return -7; // can't read this + + int nWidth = header_info.nWidth; + int nHeight = header_info.nHeight; + int bytesPerPixelPerChannel = header_info.nBitsPerPixel / 8; + + int nPixels = nWidth * nHeight; + int nTotalBytes = 0; + + byte* pData = NULL; + + switch ( header_info.nColourMode ) + { + case 1: // Grayscale + case 2: // Indexed + case 3: // RGB + case 4: // CMYK + case 8: // Duotone + case 9: // Lab + { + // read RRRRRRRGGGGGGGBBBBBBAAAAAA data + int nAllDataSize = nPixels * bytesPerPixelPerChannel * header_info.nChannels; + byte *pFileData = new byte[nAllDataSize]; + ::memset(pFileData, 0, nAllDataSize); + if (pFile.Read(pFileData, nAllDataSize, 1) != 1) + { + delete [] pFileData; + return -1; // bad data + } + + // and convert them to RGBARGBARGBA data (depends on number of channels) + nTotalBytes = nPixels * header_info.nChannels; + pData = new byte[nTotalBytes]; + byte *pSource = pFileData; + for (int nChannel = 0; nChannel < header_info.nChannels; nChannel++) + { + byte *pDest = pData + nChannel; + for (int pos = 0; pos < nPixels; pos++, pDest += header_info.nChannels, pSource += bytesPerPixelPerChannel) *pDest = *pSource; + } + delete [] pFileData; + } + break; + default: + return -1; // unsupported format + } + + ProccessBuffer(pData); + delete [] pData; + + // dpi related things + int ppm_x = 3780; // 96 dpi + int ppm_y = 3780; // 96 dpi + if (mbResolutionInfoFilled) + { + int nHorResolution = (int)resolution_info.hRes; + int nVertResolution = (int)resolution_info.vRes; + ppm_x = (nHorResolution * 10000) / 254; + ppm_y = (nVertResolution * 10000) / 254; + } + m_image.SetXDPI(ppm_x); + m_image.SetYDPI(ppm_y); + + return 0; + } + + + int CPSD::DecodeRLEData(CxFile & pFile) + { + if (header_info.nBitsPerPixel != 8) return -7; // can't read this + + int nWidth = header_info.nWidth; + int nHeight = header_info.nHeight; + int nPixels = nWidth * nHeight; + + // The RLE-compressed data is preceeded by a 2-byte data count for each row in the data + // read them and compute size of RLE data + int nLengthDataSize = nHeight * header_info.nChannels * 2; + byte *pLengthData = new byte[nLengthDataSize]; + if (pFile.Read(pLengthData, nLengthDataSize, 1) != 1) + { + delete [] pLengthData; + return -1; // error while reading + } + int nRLEDataSize = 0; + for (int i = 0; i < nHeight * header_info.nChannels * 2; i += 2) + nRLEDataSize += Calculate(pLengthData + i, 2); + delete [] pLengthData; + + // now read RLE data to the buffer for fast access + byte *pRLEData = new byte[nRLEDataSize]; + if (pFile.Read(pRLEData, nRLEDataSize, 1) != 1) + { + delete [] pRLEData; + return -1; + } + + // allocate buffer for raw data (RRRRRRR...RRRGGGGG...GGGGGGBBBBB...BBBBBAAAAA....AAAAA) it has the same size as the final buffer + // and the perform RLE-decoding + int nTotalBytes = nPixels * header_info.nChannels; + byte* pRawData = new byte[nTotalBytes]; + byte *pRLESource = pRLEData, *pRLEDest = pRawData; + for (int channel = 0; channel < header_info.nChannels; channel++) + { + int nCount = 0; + while (nCount < nPixels) + { + int len = *pRLESource++; + if ( 128 > len ) + { // copy next (len + 1) bytes as is + len++; + nCount += len; + ::memcpy(pRLEDest, pRLESource, len); + pRLEDest += len; pRLESource += len; + } + else if ( 128 < len ) + { + // Next -len+1 bytes in the dest are replicated from next source byte. + // (Interpret len as a negative 8-bit int.) + len ^= 0x0FF; + len += 2; + nCount += len; + ::memset(pRLEDest, *pRLESource++, len); + pRLEDest += len; + } + else if ( 128 == len ) { /* Do nothing */ } + } + } + delete [] pRLEData; + + // transform raw data to the good one (RGBARGBARGBA...RGBA) + byte *pRawSource = pRawData; + byte *pData = new byte[nTotalBytes]; + int nPixelCounter = 0; + for( int nColour = 0; nColour < header_info.nChannels; ++nColour ) + { + nPixelCounter = nColour; + for (int nPos = 0; nPos < nPixels; nPos++, pRawSource++) + { + pData[nPixelCounter] = *pRawSource; + nPixelCounter += header_info.nChannels; + } + } + delete[] pRawData; + + // create image + ProccessBuffer(pData); + delete [] pData; + + // dpi related things + int ppm_x = 3780; // 96 dpi + int ppm_y = 3780; // 96 dpi + if (mbResolutionInfoFilled) + { + int nHorResolution = (int)resolution_info.hRes; + int nVertResolution = (int)resolution_info.vRes; + ppm_x = (nHorResolution * 10000) / 254; + ppm_y = (nVertResolution * 10000) / 254; + } + m_image.SetXDPI(ppm_x); + m_image.SetYDPI(ppm_y); + + return 0; + } + + int CPSD::ReadImageData(CxFile &pFile) + { + int nErrorCode = 0; // No Errors + + if ( !mypsd_feof(pFile) ) + { + unsigned char ShortValue[2]; + int nBytesRead = 0; + int nItemsRead = (int)mypsd_fread(&ShortValue, sizeof(ShortValue), 1, pFile); + short nCompression = (short)Calculate( ShortValue, sizeof(ShortValue) ); + + switch ( nCompression ) + { + case 0: // raw data + nErrorCode = DecodeRawData(pFile); + break; + case 1: // RLE compression + nErrorCode = DecodeRLEData(pFile); + break; + case 2: // ZIP without prediction + nErrorCode = -10; // ZIP without prediction, no specification + break; + case 3: // ZIP with prediction + nErrorCode = -11; // ZIP with prediction, no specification + break; + default: + nErrorCode = -12; // Unknown format + } + } + return nErrorCode; + } + + ////////////////////////////////////////////////////////////////////////// + ////////////////////////////////////////////////////////////////////////// + CPSD::HEADER_INFO::HEADER_INFO() + { + nChannels = -1; + nHeight = -1; + nWidth = -1; + nBitsPerPixel = -1; + nColourMode = -1; + } + + CPSD::COLOUR_MODE_DATA::COLOUR_MODE_DATA() + { + nLength = -1; + ColourData = 0; + } + + CPSD::IMAGE_RESOURCE::IMAGE_RESOURCE() + { + Name = 0; + Reset(); + } + + void CPSD::IMAGE_RESOURCE::Reset() + { + nLength = -1; + memset( OSType, '\0', sizeof(OSType) ); + nID = -1; + if ( Name ) + delete[] Name; + Name = 0; + nSize = -1; + } + + CPSD::RESOLUTION_INFO::RESOLUTION_INFO() + { + hRes = -1; + hResUnit = -1; + widthUnit = -1; + vRes = -1; + vResUnit = -1; + heightUnit = -1; + } + + CPSD::RESOLUTION_INFO_v2::RESOLUTION_INFO_v2() + { + nChannels = -1; + nRows = -1; + nColumns = -1; + nDepth = -1; + nMode = -1; + } + + CPSD::DISPLAY_INFO::DISPLAY_INFO() + { + ColourSpace = -1; + for ( unsigned int n = 0; n < 4; ++n) + Colour[n] = 0; + Opacity = -1; + kind = false; + padding = '0'; + } + + CPSD::THUMBNAIL::THUMBNAIL() + { + nFormat = -1; + nWidth = -1; + nHeight = -1; + nWidthBytes = -1; + nSize = -1; + nCompressedSize = -1; + nBitPerPixel = -1; + nPlanes = -1; + Data = 0; + } +} // MyPSD + +//////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////// +#endif //CXIMAGE_USE_LIBPSD + +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImagePSD::Decode(CxFile *hFile) +{ + if (hFile==NULL) + return false; + +#if CXIMAGE_USE_LIBPSD + psd_context* context = NULL; +#endif + + cx_try + { +#if CXIMAGE_USE_LIBPSD + + psd_status status; + + context = (psd_context *)malloc(sizeof(psd_context)); + if(context == NULL){ + cx_throw("CxImagePSD: psd_status_malloc_failed"); + } + memset(context, 0, sizeof(psd_context)); + + // install file manager + CxFilePsd src(hFile,context); + + context->state = PSD_FILE_HEADER; + context->stream.file_length = hFile->Size(); + context->load_tag = psd_load_tag_all; + status = psd_main_loop(context); + + if(status != psd_status_done){ + cx_throw("CxImagePSD: psd_main_loop failed"); + } + + Create(context->width,context->height,24,CXIMAGE_FORMAT_PSD); + + uint8_t* rgba = (uint8_t*)context->merged_image_data; + uint8_t* alpha = NULL; + if (context->alpha_channel_info) + alpha = (uint8_t*)context->alpha_channel_info->channel_data; + if (alpha) + AlphaCreate(); + + int32_t x,y; + RGBQUAD c; + c.rgbReserved = 0; + if (rgba){ + for(y =context->height-1; y--;){ + for (x=0; xwidth; x++){ + c.rgbBlue = *rgba++; + c.rgbGreen = *rgba++; + c.rgbRed = *rgba++; + rgba++; + SetPixelColor(x,y,c); +#if CXIMAGE_SUPPORT_ALPHA + if (alpha) AlphaSet(x,y,*alpha++); +#endif //CXIMAGE_SUPPORT_ALPHA + } + } + } + + psd_image_free(context); + free(context); + +#else //CXIMAGE_USE_LIBPSD == 0 + + MyPSD::CPSD psd(*this); + int nErrorCode = psd.Load(*hFile); + if (nErrorCode != 0) cx_throw("error loading PSD file"); + +#endif //CXIMAGE_USE_LIBPSD + + } cx_catch { + +#if CXIMAGE_USE_LIBPSD + psd_image_free(context); + if (context) free(context); +#endif //CXIMAGE_USE_LIBPSD + + if (strcmp(message,"")) strncpy(info.szLastError,message,255); + if (info.nEscape == -1 && info.dwType == CXIMAGE_FORMAT_PSD) return true; + return false; + } + /* that's it */ + return true; +} + +//////////////////////////////////////////////////////////////////////////////// +#endif //CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImagePSD::Encode(CxFile * hFile) +{ + if (hFile == NULL) return false; + strcpy(info.szLastError, "Save PSD not supported"); + return false; +} +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_PSD + diff --git a/smelt/glfw/CxImage/ximapsd.h b/smelt/glfw/CxImage/ximapsd.h new file mode 100644 index 0000000..92be8f1 --- /dev/null +++ b/smelt/glfw/CxImage/ximapsd.h @@ -0,0 +1,110 @@ +/* + * File: ximapsd.h + * Purpose: PSD Image Class Loader and Writer + */ +/* ========================================================== + * CxImagePSD (c) Dec/2010 + * For conditions of distribution and use, see copyright notice in ximage.h + * + * libpsd (c) 2004-2007 Graphest Software + * + * ========================================================== + */ +#if !defined(__ximaPSD_h) +#define __ximaPSD_h + +#include "ximage.h" + +#if CXIMAGE_SUPPORT_PSD + +#define CXIMAGE_USE_LIBPSD 1 + +#if CXIMAGE_USE_LIBPSD + extern "C" { + #include "../libpsd/libpsd.h" + } +#endif + +class CxImagePSD: public CxImage +{ + +public: + CxImagePSD(): CxImage(CXIMAGE_FORMAT_PSD) {} + +// bool Load(const char * imageFileName){ return CxImage::Load(imageFileName,CXIMAGE_FORMAT_PSD);} +// bool Save(const char * imageFileName){ return CxImage::Save(imageFileName,CXIMAGE_FORMAT_PSD);} + bool Decode(CxFile * hFile); + bool Decode(FILE *hFile) { CxIOFile file(hFile); return Decode(&file); } + +//#if CXIMAGE_SUPPORT_EXIF +// bool GetExifThumbnail(const TCHAR *filename, const TCHAR *outname, int32_t type); +//#endif //CXIMAGE_SUPPORT_EXIF + +#if CXIMAGE_SUPPORT_ENCODE + bool Encode(CxFile * hFile); + bool Encode(FILE *hFile) { CxIOFile file(hFile); return Encode(&file); } +#endif // CXIMAGE_SUPPORT_ENCODE + +#if CXIMAGE_USE_LIBPSD +protected: + class CxFilePsd + { + public: + CxFilePsd(CxFile* pFile,psd_context *context) + { + context->file = pFile; + + psd_CxFile_ops.size_ = psd_file_size; + psd_CxFile_ops.seek_ = psd_file_seek; + psd_CxFile_ops.read_ = psd_file_read; +// psd_CxFile_ops.write_ = psd_file_write; +// psd_CxFile_ops.close_ = psd_file_close; +// psd_CxFile_ops.gets_ = psd_file_gets; +// psd_CxFile_ops.eof_ = psd_file_eof; +// psd_CxFile_ops.tell_ = psd_file_tell; +// psd_CxFile_ops.getc_ = psd_file_getc; +// psd_CxFile_ops.scanf_ = psd_file_scanf; + + context->ops_ = &psd_CxFile_ops; + + } + + static int32_t psd_file_size(psd_file_obj *obj) + { return ((CxFile*)obj)->Size(); } + + static int32_t psd_file_seek(psd_file_obj *obj, int32_t offset, int32_t origin) + { return ((CxFile*)obj)->Seek(offset,origin); } + + static int32_t psd_file_read(psd_file_obj *obj, void *buf, int32_t size, int32_t cnt) + { return ((CxFile*)obj)->Read(buf,size,cnt); } + +// static int32_t psd_file_write(psd_file_obj *obj, void *buf, int32_t size, int32_t cnt) +// { return ((CxFile*)obj)->Write(buf,size,cnt); } + +// static int32_t psd_file_close(psd_file_obj *obj) +// { return 1; /*((CxFile*)obj)->Close();*/ } + +// static char* psd_file_gets(psd_file_obj *obj, char *string, int32_t n) +// { return ((CxFile*)obj)->GetS(string,n); } + +// static int32_t psd_file_eof(psd_file_obj *obj) +// { return ((CxFile*)obj)->Eof(); } + +// static long psd_file_tell(psd_file_obj *obj) +// { return ((CxFile*)obj)->Tell(); } + +// static int32_t psd_file_getc(psd_file_obj *obj) +// { return ((CxFile*)obj)->GetC(); } + +// static int32_t psd_file_scanf(psd_file_obj *obj,const char *format, void* output) +// { return ((CxFile*)obj)->Scanf(format, output); } + + private: + psd_file_ops psd_CxFile_ops; + }; +#endif //CXIMAGE_USE_LIBPSD +}; + +#endif + +#endif diff --git a/smelt/glfw/CxImage/ximaraw.cpp b/smelt/glfw/CxImage/ximaraw.cpp new file mode 100644 index 0000000..aedc50a --- /dev/null +++ b/smelt/glfw/CxImage/ximaraw.cpp @@ -0,0 +1,331 @@ +/* + * File: ximaraw.cpp + * Purpose: Platform Independent RAW Image Class Loader + * 16/Dec/2007 Davide Pizzolato - www.xdp.it + * CxImage version 7.0.0 31/Dec/2010 + * + * CxImageRAW (c) May/2006 pdw63 + * + * based on dcraw.c -- Dave Coffin's raw photo decoder + * Copyright 1997-2007 by Dave Coffin, dcoffin a cybercom o net + */ + +#include "ximaraw.h" + +#if CXIMAGE_SUPPORT_RAW + +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImageRAW::Decode(CxFile *hFile) +{ + if (hFile==NULL) + return false; + + DCRAW dcr; + + cx_try + { + // initialization + dcr_init_dcraw(&dcr); + + dcr.opt.user_qual = GetCodecOption(CXIMAGE_FORMAT_RAW) & 0x03; + + // setup variables for debugging + char szClass[] = "CxImageRAW"; + dcr.ifname = szClass; + dcr.sz_error = info.szLastError; + + // setup library options, see dcr_print_manual for the available switches + // call dcr_parse_command_line_options(&dcr,0,0,0) to set default options + // if (dcr_parse_command_line_options(&dcr,argc,argv,&arg)) + if (dcr_parse_command_line_options(&dcr,0,0,0)){ + cx_throw("CxImageRAW: unknown option"); + } + + // set return point for error handling + if (setjmp (dcr.failure)) { + cx_throw(""); + } + + // install file manager + CxFileRaw src(hFile,&dcr); + + // check file header + dcr_identify(&dcr); + + if(!dcr.is_raw){ + cx_throw("CxImageRAW: not a raw image"); + } + + if (dcr.load_raw == NULL) { + cx_throw("CxImageRAW: missing raw decoder"); + } + + // verify special case + if (dcr.load_raw == dcr_kodak_ycbcr_load_raw) { + dcr.height += dcr.height & 1; + dcr.width += dcr.width & 1; + } + + if (info.nEscape == -1){ + head.biWidth = dcr.width; + head.biHeight= dcr.height; + info.dwType = CXIMAGE_FORMAT_RAW; + cx_throw("output dimensions returned"); + } + + // shrinked decoding available and requested? + dcr.shrink = dcr.filters && (dcr.opt.half_size || dcr.opt.threshold || dcr.opt.aber[0] != 1 || dcr.opt.aber[2] != 1); + dcr.iheight = (dcr.height + dcr.shrink) >> dcr.shrink; + dcr.iwidth = (dcr.width + dcr.shrink) >> dcr.shrink; + + // install custom camera matrix + if (dcr.opt.use_camera_matrix && dcr.cmatrix[0][0] > 0.25) { + memcpy (dcr.rgb_cam, dcr.cmatrix, sizeof dcr.cmatrix); + dcr.raw_color = 0; + } else { + dcr.opt.use_camera_wb = 1; + } + + // allocate memory for the image + dcr.image = (ushort (*)[4]) calloc (dcr.iheight*dcr.iwidth, sizeof *dcr.image); + dcr_merror (&dcr, dcr.image, szClass); + + if (dcr.meta_length) { + dcr.meta_data = (char *) malloc (dcr.meta_length); + dcr_merror (&dcr, dcr.meta_data, szClass); + } + + // start image decoder + hFile->Seek(dcr.data_offset, SEEK_SET); + (*dcr.load_raw)(&dcr); + + // post processing + if (dcr.zero_is_bad) dcr_remove_zeroes(&dcr); + + dcr_bad_pixels(&dcr,dcr.opt.bpfile); + + if (dcr.opt.dark_frame) dcr_subtract (&dcr,dcr.opt.dark_frame); + + dcr.quality = 2 + !dcr.fuji_width; + + if (dcr.opt.user_qual >= 0) dcr.quality = dcr.opt.user_qual; + + if (dcr.opt.user_black >= 0) dcr.black = dcr.opt.user_black; + + if (dcr.opt.user_sat >= 0) dcr.maximum = dcr.opt.user_sat; + +#ifdef COLORCHECK + dcr_colorcheck(&dcr); +#endif + +#if RESTRICTED + if (dcr.is_foveon && !dcr.opt.document_mode) dcr_foveon_interpolate(&dcr); +#endif + + if (!dcr.is_foveon && dcr.opt.document_mode < 2) dcr_scale_colors(&dcr); + + // pixel interpolation and filters + dcr_pre_interpolate(&dcr); + + if (dcr.filters && !dcr.opt.document_mode) { + if (dcr.quality == 0) + dcr_lin_interpolate(&dcr); + else if (dcr.quality == 1 || dcr.colors > 3) + dcr_vng_interpolate(&dcr); + else if (dcr.quality == 2) + dcr_ppg_interpolate(&dcr); + else + dcr_ahd_interpolate(&dcr); + } + + if (dcr.mix_green) { + int32_t i; + for (dcr.colors=3, i=0; i < dcr.height*dcr.width; i++) { + dcr.image[i][1] = (dcr.image[i][1] + dcr.image[i][3]) >> 1; + } + } + + if (!dcr.is_foveon && dcr.colors == 3) dcr_median_filter(&dcr); + + if (!dcr.is_foveon && dcr.opt.highlight == 2) dcr_blend_highlights(&dcr); + + if (!dcr.is_foveon && dcr.opt.highlight > 2) dcr_recover_highlights(&dcr); + + if (dcr.opt.use_fuji_rotate) dcr_fuji_rotate(&dcr); + +#ifndef NO_LCMS + if (dcr.opt.cam_profile) dcr_apply_profile (dcr.opt.cam_profile, dcr.opt.out_profile); +#endif + + // final conversion + dcr_convert_to_rgb(&dcr); + + if (dcr.opt.use_fuji_rotate) dcr_stretch(&dcr); + + dcr.iheight = dcr.height; + dcr.iwidth = dcr.width; + if (dcr.flip & 4) SWAP(dcr.height,dcr.width); + + // ready to transfer data from dcr.image + if (!Create(dcr.width,dcr.height,24,CXIMAGE_FORMAT_RAW)){ + cx_throw(""); + } + + uchar *ppm = (uchar *) calloc (dcr.width, dcr.colors*dcr.opt.output_bps/8); + ushort *ppm2 = (ushort *) ppm; + dcr_merror (&dcr, ppm, szClass); + + uchar lut[0x10000]; + if (dcr.opt.output_bps == 8) dcr_gamma_lut (&dcr, lut); + + int32_t c, row, col, soff, rstep, cstep; + soff = dcr_flip_index (&dcr, 0, 0); + cstep = dcr_flip_index (&dcr, 0, 1) - soff; + rstep = dcr_flip_index (&dcr, 1, 0) - dcr_flip_index (&dcr, 0, dcr.width); + for (row=0; row < dcr.height; row++, soff += rstep) { + for (col=0; col < dcr.width; col++, soff += cstep) { + if (dcr.opt.output_bps == 8) + for (c=0; c < dcr.colors; c++) ppm [col*dcr.colors+c] = lut[dcr.image[soff][c]]; + else + for (c=0; c < dcr.colors; c++) ppm2[col*dcr.colors+c] = dcr.image[soff][c]; + } + if (dcr.opt.output_bps == 16 && !dcr.opt.output_tiff && htons(0x55aa) != 0x55aa) +#if defined(_LINUX) || defined(__APPLE__) + swab ((char*)ppm2, (char*)ppm2, dcr.width*dcr.colors*2); +#else + _swab ((char*)ppm2, (char*)ppm2, dcr.width*dcr.colors*2); +#endif + + uint32_t size = dcr.width * (dcr.colors*dcr.opt.output_bps/8); + RGBtoBGR(ppm,size); + memcpy(GetBits(dcr.height - 1 - row), ppm, min(size,GetEffWidth())); + } + free (ppm); + + + dcr_cleanup_dcraw(&dcr); + + } cx_catch { + + dcr_cleanup_dcraw(&dcr); + + if (strcmp(message,"")) strncpy(info.szLastError,message,255); + if (info.nEscape == -1 && info.dwType == CXIMAGE_FORMAT_RAW) return true; + return false; + } + /* that's it */ + return true; +} + +#if CXIMAGE_SUPPORT_EXIF +bool CxImageRAW::GetExifThumbnail(const TCHAR *filename, const TCHAR *outname, int32_t type) +{ + DCRAW dcr; + + CxIOFile file; + if (!file.Open(filename, _T("rb"))) + return false; + + cx_try + { + // initialization + dcr_init_dcraw(&dcr); + + dcr.opt.user_qual = GetCodecOption(CXIMAGE_FORMAT_RAW) & 0x03; + + // setup variables for debugging + char szClass[] = "CxImageRAW"; + dcr.ifname = szClass; + dcr.sz_error = info.szLastError; + + // setup library options, see dcr_print_manual for the available switches + // call dcr_parse_command_line_options(&dcr,0,0,0) to set default options + // if (dcr_parse_command_line_options(&dcr,argc,argv,&arg)) + if (dcr_parse_command_line_options(&dcr,0,0,0)){ + cx_throw("CxImageRAW: unknown option"); + } + + // set return point for error handling + if (setjmp (dcr.failure)) { + cx_throw(""); + } + + // install file manager + CxFileRaw src(&file,&dcr); + + // check file header + dcr_identify(&dcr); + + if(!dcr.is_raw){ + cx_throw("CxImageRAW: not a raw image"); + } + + if (dcr.load_raw == NULL) { + cx_throw("CxImageRAW: missing raw decoder"); + } + + // THUMB. + if (dcr.thumb_offset != 0) + { + FILE* file = _tfopen(outname, _T("wb")); + DCRAW* p = &dcr; + dcr_fseek(dcr.obj_, dcr.thumb_offset, SEEK_SET); + dcr.write_thumb(&dcr, file); + fclose(file); + + // Read in the thumbnail to resize and rotate. + CxImage image(outname, CXIMAGE_FORMAT_UNKNOWN); + if (image.IsValid()) + { + // Resizing. + if (image.GetWidth() > 256 || image.GetHeight() > 256) + { + float amount = 256.0f / max(image.GetWidth(), image.GetHeight()); + image.Resample((int32_t)(image.GetWidth() * amount), (int32_t)(image.GetHeight() * amount), 0); + } + + // Rotation. + if (p->flip != 0) + image.RotateExif(p->flip); + + return image.Save(outname, CXIMAGE_FORMAT_JPG); + } + } + else + { + cx_throw("No thumbnail!"); + } + + dcr_cleanup_dcraw(&dcr); + + } cx_catch { + + dcr_cleanup_dcraw(&dcr); + + if (strcmp(message,"")) strncpy(info.szLastError,message,255); + if (info.nEscape == -1 && info.dwType == CXIMAGE_FORMAT_RAW) return true; + return false; + } + /* that's it */ + return true; +} +#endif //CXIMAGE_SUPPORT_EXIF + +//////////////////////////////////////////////////////////////////////////////// +#endif //CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImageRAW::Encode(CxFile * hFile) +{ + if (hFile == NULL) return false; + strcpy(info.szLastError, "Save RAW not supported"); + return false; +} +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_RAW + diff --git a/smelt/glfw/CxImage/ximaraw.h b/smelt/glfw/CxImage/ximaraw.h new file mode 100644 index 0000000..2fe4961 --- /dev/null +++ b/smelt/glfw/CxImage/ximaraw.h @@ -0,0 +1,112 @@ +/* + * File: ximaraw.h + * Purpose: RAW Image Class Loader and Writer + */ +/* ========================================================== + * CxImageRAW (c) May/2006 pdw63 + * For conditions of distribution and use, see copyright notice in ximage.h + * Special thanks to David Coffin for dcraw without which this class would not exist + * + * libdcr (c) Dec/2007 Davide Pizzolato - www.xdp.it + * + * based on dcraw.c -- Dave Coffin's raw photo decoder + * Copyright 1997-2007 by Dave Coffin, dcoffin a cybercom o net + * ========================================================== + */ +#if !defined(__ximaRAW_h) +#define __ximaRAW_h + +#include "ximage.h" + +#if CXIMAGE_SUPPORT_RAW + +extern "C" { + #include "../raw/libdcr.h" +} + +class CxImageRAW: public CxImage +{ + +public: + CxImageRAW(): CxImage(CXIMAGE_FORMAT_RAW) {} + +// bool Load(const char * imageFileName){ return CxImage::Load(imageFileName,CXIMAGE_FORMAT_ICO);} +// bool Save(const char * imageFileName){ return CxImage::Save(imageFileName,CXIMAGE_FORMAT_ICO);} + bool Decode(CxFile * hFile); + bool Decode(FILE *hFile) { CxIOFile file(hFile); return Decode(&file); } + +#if CXIMAGE_SUPPORT_EXIF + bool GetExifThumbnail(const TCHAR *filename, const TCHAR *outname, int32_t type); +#endif //CXIMAGE_SUPPORT_EXIF + +#if CXIMAGE_SUPPORT_ENCODE + bool Encode(CxFile * hFile); + bool Encode(FILE *hFile) { CxIOFile file(hFile); return Encode(&file); } +#endif // CXIMAGE_SUPPORT_ENCODE + + enum CODEC_OPTION + { + DECODE_QUALITY_LIN = 0x00, + DECODE_QUALITY_VNG = 0x01, + DECODE_QUALITY_PPG = 0x02, + DECODE_QUALITY_AHD = 0x03, + }; + +protected: + + class CxFileRaw + { + public: + CxFileRaw(CxFile* pFile,DCRAW *stream) + { + stream->obj_ = pFile; + + ras_stream_CxFile.read_ = raw_sfile_read; + ras_stream_CxFile.write_ = raw_sfile_write; + ras_stream_CxFile.seek_ = raw_sfile_seek; + ras_stream_CxFile.close_ = raw_sfile_close; + ras_stream_CxFile.gets_ = raw_sfile_gets; + ras_stream_CxFile.eof_ = raw_sfile_eof; + ras_stream_CxFile.tell_ = raw_sfile_tell; + ras_stream_CxFile.getc_ = raw_sfile_getc; + ras_stream_CxFile.scanf_ = raw_sfile_scanf; + + stream->ops_ = &ras_stream_CxFile; + + } + + static int32_t raw_sfile_read(dcr_stream_obj *obj, void *buf, int32_t size, int32_t cnt) + { return ((CxFile*)obj)->Read(buf,size,cnt); } + + static int32_t raw_sfile_write(dcr_stream_obj *obj, void *buf, int32_t size, int32_t cnt) + { return ((CxFile*)obj)->Write(buf,size,cnt); } + + static long raw_sfile_seek(dcr_stream_obj *obj, long offset, int32_t origin) + { return ((CxFile*)obj)->Seek(offset,origin); } + + static int32_t raw_sfile_close(dcr_stream_obj *obj) + { return 1; /*((CxFile*)obj)->Close();*/ } + + static char* raw_sfile_gets(dcr_stream_obj *obj, char *string, int32_t n) + { return ((CxFile*)obj)->GetS(string,n); } + + static int32_t raw_sfile_eof(dcr_stream_obj *obj) + { return ((CxFile*)obj)->Eof(); } + + static long raw_sfile_tell(dcr_stream_obj *obj) + { return ((CxFile*)obj)->Tell(); } + + static int32_t raw_sfile_getc(dcr_stream_obj *obj) + { return ((CxFile*)obj)->GetC(); } + + static int32_t raw_sfile_scanf(dcr_stream_obj *obj,const char *format, void* output) + { return ((CxFile*)obj)->Scanf(format, output); } + + private: + dcr_stream_ops ras_stream_CxFile; + }; +}; + +#endif + +#endif diff --git a/smelt/glfw/CxImage/ximasel.cpp b/smelt/glfw/CxImage/ximasel.cpp new file mode 100644 index 0000000..c50ff99 --- /dev/null +++ b/smelt/glfw/CxImage/ximasel.cpp @@ -0,0 +1,698 @@ +// xImaSel.cpp : Selection functions +/* 07/08/2001 v1.00 - Davide Pizzolato - www.xdp.it + * CxImage version 7.0.0 31/Dec/2010 + */ + +#include "ximage.h" + +//////////////////////////////////////////////////////////////////////////////// +/** + * Checks if the image has a valid selection. + */ +bool CxImage::SelectionIsValid() +{ + return pSelection!=0; +} + +#if CXIMAGE_SUPPORT_SELECTION + +//////////////////////////////////////////////////////////////////////////////// +/** + * Gets the smallest rectangle that contains the selection + */ +void CxImage::SelectionGetBox(RECT& r) +{ + memcpy(&r,&info.rSelectionBox,sizeof(RECT)); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Empties the selection. + */ +bool CxImage::SelectionClear(uint8_t level) +{ + if (pSelection){ + if (level==0){ + memset(pSelection,0,head.biWidth * head.biHeight); + info.rSelectionBox.left = head.biWidth; + info.rSelectionBox.bottom = head.biHeight; + info.rSelectionBox.right = info.rSelectionBox.top = 0; + } else { + memset(pSelection,level,head.biWidth * head.biHeight); + info.rSelectionBox.right = head.biWidth; + info.rSelectionBox.top = head.biHeight; + info.rSelectionBox.left = info.rSelectionBox.bottom = 0; + } + return true; + } + return false; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Allocates an empty selection. + */ +bool CxImage::SelectionCreate() +{ + SelectionDelete(); + pSelection = (uint8_t*)calloc(head.biWidth * head.biHeight, 1); + return (pSelection!=0); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Deallocates the selction. + */ +bool CxImage::SelectionDelete() +{ + if (pSelection){ + free(pSelection); + pSelection=NULL; + } + info.rSelectionBox.left = head.biWidth; + info.rSelectionBox.bottom = head.biHeight; + info.rSelectionBox.right = info.rSelectionBox.top = 0; + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Checks if the coordinates are inside the selection. + */ +bool CxImage::SelectionIsInside(int32_t x, int32_t y) +{ + if (IsInside(x,y)){ + if (pSelection==NULL) return true; + return pSelection[x+y*head.biWidth]!=0; + } + return false; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Checks if the coordinates are inside the selection. + * "blind" version assumes that (x,y) is inside to the image. + */ +bool CxImage::BlindSelectionIsInside(int32_t x, int32_t y) +{ +#ifdef _DEBUG + if (!IsInside(x,y)) + #if CXIMAGE_SUPPORT_EXCEPTION_HANDLING + throw 0; + #else + return 0; + #endif +#endif + if (pSelection==NULL) return true; + return pSelection[x+y*head.biWidth]!=0; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Adds a rectangle to the existing selection. + */ +bool CxImage::SelectionAddRect(RECT r, uint8_t level) +{ + if (pSelection==NULL) SelectionCreate(); + if (pSelection==NULL) return false; + + RECT r2; + if (r.left r2.left) info.rSelectionBox.left = max(0L,min(head.biWidth,r2.left)); + if (info.rSelectionBox.right <= r2.right) info.rSelectionBox.right = max(0L,min(head.biWidth,r2.right+1)); + if (info.rSelectionBox.bottom > r2.bottom) info.rSelectionBox.bottom = max(0L,min(head.biHeight,r2.bottom)); + + int32_t ymin = max(0L,min(head.biHeight,r2.bottom)); + int32_t ymax = max(0L,min(head.biHeight,r2.top+1)); + int32_t xmin = max(0L,min(head.biWidth,r2.left)); + int32_t xmax = max(0L,min(head.biWidth,r2.right+1)); + + for (int32_t y=ymin; y (xcenter - xradius)) info.rSelectionBox.left = max(0L,min(head.biWidth,(xcenter - xradius))); + if (info.rSelectionBox.right <= (xcenter + xradius)) info.rSelectionBox.right = max(0L,min(head.biWidth,(xcenter + xradius + 1))); + if (info.rSelectionBox.bottom > (ycenter - yradius)) info.rSelectionBox.bottom = max(0L,min(head.biHeight,(ycenter - yradius))); + if (info.rSelectionBox.top <= (ycenter + yradius)) info.rSelectionBox.top = max(0L,min(head.biHeight,(ycenter + yradius + 1))); + + int32_t xmin = max(0L,min(head.biWidth,xcenter - xradius)); + int32_t xmax = max(0L,min(head.biWidth,xcenter + xradius + 1)); + int32_t ymin = max(0L,min(head.biHeight,ycenter - yradius)); + int32_t ymax = max(0L,min(head.biHeight,ycenter + yradius + 1)); + + int32_t y,yo; + for (y=ymin; yy) pSelection[x + y * head.biWidth] = level; + } + } + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Inverts the selection. + * Note: the SelectionBox is set to "full image", call SelectionGetBox before (if necessary) + */ +bool CxImage::SelectionInvert() +{ + if (pSelection) { + uint8_t *iSrc=pSelection; + int32_t n=head.biHeight*head.biWidth; + for(int32_t i=0; i < n; i++){ + *iSrc=(uint8_t)~(*(iSrc)); + iSrc++; + } + + SelectionRebuildBox(); + + return true; + } + return false; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Imports an existing region from another image with the same width and height. + */ +bool CxImage::SelectionCopy(CxImage &from) +{ + if (from.pSelection == NULL || head.biWidth != from.head.biWidth || head.biHeight != from.head.biHeight) return false; + if (pSelection==NULL) pSelection = (uint8_t*)malloc(head.biWidth * head.biHeight); + if (pSelection==NULL) return false; + memcpy(pSelection,from.pSelection,head.biWidth * head.biHeight); + memcpy(&info.rSelectionBox,&from.info.rSelectionBox,sizeof(RECT)); + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Adds a polygonal region to the existing selection. points points to an array of POINT structures. + * Each structure specifies the x-coordinate and y-coordinate of one vertex of the polygon. + * npoints specifies the number of POINT structures in the array pointed to by points. + */ +bool CxImage::SelectionAddPolygon(POINT *points, int32_t npoints, uint8_t level) +{ + if (points==NULL || npoints<3) return false; + + if (pSelection==NULL) SelectionCreate(); + if (pSelection==NULL) return false; + + uint8_t* plocal = (uint8_t*)calloc(head.biWidth*head.biHeight, 1); + RECT localbox = {head.biWidth,0,0,head.biHeight}; + + int32_t x,y,i=0; + POINT *current; + POINT *next = NULL; + POINT *start = NULL; + //trace contour + while (i < npoints){ + current = &points[i]; + if (current->x!=-1){ + if (i==0 || (i>0 && points[i-1].x==-1)) start = &points[i]; + + if ((i+1)==npoints || points[i+1].x==-1) + next = start; + else + next = &points[i+1]; + + float beta; + if (current->x != next->x){ + beta = (float)(next->y - current->y)/(float)(next->x - current->x); + if (current->x < next->x){ + for (x=current->x; x<=next->x; x++){ + y = (int32_t)(current->y + (x - current->x) * beta); + if (IsInside(x,y)) plocal[x + y * head.biWidth] = 255; + } + } else { + for (x=current->x; x>=next->x; x--){ + y = (int32_t)(current->y + (x - current->x) * beta); + if (IsInside(x,y)) plocal[x + y * head.biWidth] = 255; + } + } + } + if (current->y != next->y){ + beta = (float)(next->x - current->x)/(float)(next->y - current->y); + if (current->y < next->y){ + for (y=current->y; y<=next->y; y++){ + x = (int32_t)(current->x + (y - current->y) * beta); + if (IsInside(x,y)) plocal[x + y * head.biWidth] = 255; + } + } else { + for (y=current->y; y>=next->y; y--){ + x = (int32_t)(current->x + (y - current->y) * beta); + if (IsInside(x,y)) plocal[x + y * head.biWidth] = 255; + } + } + } + } + + RECT r2; + if (current->x < next->x) {r2.left=current->x; r2.right=next->x; } else {r2.left=next->x ; r2.right=current->x; } + if (current->y < next->y) {r2.bottom=current->y; r2.top=next->y; } else {r2.bottom=next->y ; r2.top=current->y; } + if (localbox.top < r2.top) localbox.top = max(0L,min(head.biHeight-1,r2.top+1)); + if (localbox.left > r2.left) localbox.left = max(0L,min(head.biWidth-1,r2.left-1)); + if (localbox.right < r2.right) localbox.right = max(0L,min(head.biWidth-1,r2.right+1)); + if (localbox.bottom > r2.bottom) localbox.bottom = max(0L,min(head.biHeight-1,r2.bottom-1)); + + i++; + } + + //fill the outer region + int32_t npix=(localbox.right - localbox.left)*(localbox.top - localbox.bottom); + POINT* pix = (POINT*)calloc(npix,sizeof(POINT)); + uint8_t back=0, mark=1; + int32_t fx, fy, fxx, fyy, first, last; + int32_t xmin = 0; + int32_t xmax = 0; + int32_t ymin = 0; + int32_t ymax = 0; + + for (int32_t side=0; side<4; side++){ + switch(side){ + case 0: + xmin=localbox.left; xmax=localbox.right+1; ymin=localbox.bottom; ymax=localbox.bottom+1; + break; + case 1: + xmin=localbox.right; xmax=localbox.right+1; ymin=localbox.bottom; ymax=localbox.top+1; + break; + case 2: + xmin=localbox.left; xmax=localbox.right+1; ymin=localbox.top; ymax=localbox.top+1; + break; + case 3: + xmin=localbox.left; xmax=localbox.left+1; ymin=localbox.bottom; ymax=localbox.top+1; + break; + } + //fill from the border points + for(y=ymin;y=localbox.left && fxx<=localbox.right && fyy>=localbox.bottom && fyy<=localbox.top ) + { + plocal[fxx + fyy*head.biWidth] = mark; + if (fyy > 0 && plocal[fxx + (fyy - 1)*head.biWidth] == back){ + pix[last].x = fx; + pix[last].y = fy - 1; + last++; + if (last == npix) last = 0; + } + if ((fyy + 1)=localbox.left && fxx<=localbox.right && fyy>=localbox.bottom && fyy<=localbox.top ) + { + plocal[fxx + (y + fy)*head.biWidth] = mark; + if (fyy > 0 && plocal[fxx + (fyy - 1)*head.biWidth] == back){ + pix[last].x = fx; + pix[last].y = fy - 1; + last++; + if (last == npix) last = 0; + } + if ((fyy + 1) localbox.left) info.rSelectionBox.left = min(head.biWidth,localbox.left); + if (info.rSelectionBox.right <= localbox.right) info.rSelectionBox.right = min(head.biWidth,localbox.right + 1); + if (info.rSelectionBox.bottom > localbox.bottom) info.rSelectionBox.bottom = min(head.biHeight,localbox.bottom); + + free(plocal); + free(pix); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Adds to the selection all the pixels matching the specified color. + */ +bool CxImage::SelectionAddColor(RGBQUAD c, uint8_t level) +{ + if (pSelection==NULL) SelectionCreate(); + if (pSelection==NULL) return false; + + RECT localbox = {head.biWidth,0,0,head.biHeight}; + + for (int32_t y = 0; y < head.biHeight; y++){ + for (int32_t x = 0; x < head.biWidth; x++){ + RGBQUAD color = BlindGetPixelColor(x, y); + if (color.rgbRed == c.rgbRed && + color.rgbGreen == c.rgbGreen && + color.rgbBlue == c.rgbBlue) + { + pSelection[x + y * head.biWidth] = level; + + if (localbox.top < y) localbox.top = y; + if (localbox.left > x) localbox.left = x; + if (localbox.right < x) localbox.right = x; + if (localbox.bottom > y) localbox.bottom = y; + } + } + } + + if (info.rSelectionBox.top <= localbox.top) info.rSelectionBox.top = localbox.top + 1; + if (info.rSelectionBox.left > localbox.left) info.rSelectionBox.left = localbox.left; + if (info.rSelectionBox.right <= localbox.right) info.rSelectionBox.right = localbox.right + 1; + if (info.rSelectionBox.bottom > localbox.bottom) info.rSelectionBox.bottom = localbox.bottom; + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Adds a single pixel to the existing selection. + */ +bool CxImage::SelectionAddPixel(int32_t x, int32_t y, uint8_t level) +{ + if (pSelection==NULL) SelectionCreate(); + if (pSelection==NULL) return false; + + if (IsInside(x,y)) { + pSelection[x + y * head.biWidth] = level; // set the correct mask bit + + if (info.rSelectionBox.top <= y) info.rSelectionBox.top = y+1; + if (info.rSelectionBox.left > x) info.rSelectionBox.left = x; + if (info.rSelectionBox.right <= x) info.rSelectionBox.right = x+1; + if (info.rSelectionBox.bottom > y) info.rSelectionBox.bottom = y; + + return true; + } + + return false; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Exports the selection channel in a 8bpp grayscale image. + */ +bool CxImage::SelectionSplit(CxImage *dest) +{ + if (!pSelection || !dest) return false; + + CxImage tmp(head.biWidth,head.biHeight,8); + if (!tmp.IsValid()){ + strcpy(info.szLastError,tmp.GetLastError()); + return false; + } + + for(int32_t y=0; yTransfer(tmp); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Creates the selection channel from a gray scale image. + * black = unselected + */ +bool CxImage::SelectionSet(CxImage &from) +{ + if (!from.IsGrayScale() || head.biWidth != from.head.biWidth || head.biHeight != from.head.biHeight){ + strcpy(info.szLastError,"CxImage::SelectionSet: wrong width or height, or image is not gray scale"); + return false; + } + + if (pSelection==NULL) pSelection = (uint8_t*)malloc(head.biWidth * head.biHeight); + + uint8_t* src = from.info.pImage; + uint8_t* dst = pSelection; + if (src==NULL || dst==NULL){ + strcpy(info.szLastError,"CxImage::SelectionSet: null pointer"); + return false; + } + + for (int32_t y=0; y=info.rSelectionBox.right; x--){ + if (pSelection[x+y*head.biWidth]){ + info.rSelectionBox.right = x+1; + continue; + } + } + } + + for (x=0; x=info.rSelectionBox.top; y--){ + if (pSelection[x+y*head.biWidth]){ + info.rSelectionBox.top = y+1; + continue; + } + } + } + +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Gets the Selection level for a single pixel + * "blind" version assumes that (x,y) is inside to the image. + */ +uint8_t CxImage::BlindSelectionGet(const int32_t x,const int32_t y) +{ +#ifdef _DEBUG + if (!IsInside(x,y) || (pSelection==0)) + #if CXIMAGE_SUPPORT_EXCEPTION_HANDLING + throw 0; + #else + return 0; + #endif +#endif + return pSelection[x+y*head.biWidth]; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Returns pointer to selection data for pixel (x,y). + */ +uint8_t* CxImage::SelectionGetPointer(const int32_t x,const int32_t y) +{ + if (pSelection && IsInside(x,y)) return pSelection+x+y*head.biWidth; + return 0; +} +//////////////////////////////////////////////////////////////////////////////// +bool CxImage::SelectionFlip() +{ + if (!pSelection) return false; + + uint8_t *buff = (uint8_t*)malloc(head.biWidth); + if (!buff) return false; + + uint8_t *iSrc,*iDst; + iSrc = pSelection + (head.biHeight-1)*head.biWidth; + iDst = pSelection; + for (int32_t i=0; i<(head.biHeight/2); ++i) + { + memcpy(buff, iSrc, head.biWidth); + memcpy(iSrc, iDst, head.biWidth); + memcpy(iDst, buff, head.biWidth); + iSrc-=head.biWidth; + iDst+=head.biWidth; + } + + free(buff); + + int32_t top = info.rSelectionBox.top; + info.rSelectionBox.top = head.biHeight - info.rSelectionBox.bottom; + info.rSelectionBox.bottom = head.biHeight - top; + return true; +} +//////////////////////////////////////////////////////////////////////////////// +bool CxImage::SelectionMirror() +{ + if (!pSelection) return false; + uint8_t* pSelection2 = (uint8_t*)malloc(head.biWidth * head.biHeight); + if (!pSelection2) return false; + + uint8_t *iSrc,*iDst; + int32_t wdt=head.biWidth-1; + iSrc=pSelection + wdt; + iDst=pSelection2; + for(int32_t y=0; y < head.biHeight; y++){ + for(int32_t x=0; x <= wdt; x++) + *(iDst+x)=*(iSrc-x); + iSrc+=head.biWidth; + iDst+=head.biWidth; + } + free(pSelection); + pSelection=pSelection2; + + int32_t left = info.rSelectionBox.left; + info.rSelectionBox.left = head.biWidth - info.rSelectionBox.right; + info.rSelectionBox.right = head.biWidth - left; + return true; +} +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_WINDOWS +/** + * Converts the selection in a HRGN object. + */ +bool CxImage::SelectionToHRGN(HRGN& region) +{ + if (pSelection && region){ + for(int32_t y = 0; y < head.biHeight; y++){ + HRGN hTemp = NULL; + int32_t iStart = -1; + int32_t x = 0; + for(; x < head.biWidth; x++){ + if (pSelection[x + y * head.biWidth] != 0){ + if (iStart == -1) iStart = x; + continue; + }else{ + if (iStart >= 0){ + hTemp = CreateRectRgn(iStart, y, x, y + 1); + CombineRgn(region, hTemp, region, RGN_OR); + DeleteObject(hTemp); + iStart = -1; + } + } + } + if (iStart >= 0){ + hTemp = CreateRectRgn(iStart, y, x, y + 1); + CombineRgn(region, hTemp, region, RGN_OR); + DeleteObject(hTemp); + iStart = -1; + } + } + return true; + } + return false; +} +#endif //CXIMAGE_SUPPORT_WINDOWS +//////////////////////////////////////////////////////////////////////////////// +#endif //CXIMAGE_SUPPORT_SELECTION diff --git a/smelt/glfw/CxImage/ximaska.cpp b/smelt/glfw/CxImage/ximaska.cpp new file mode 100644 index 0000000..6f1b1c2 --- /dev/null +++ b/smelt/glfw/CxImage/ximaska.cpp @@ -0,0 +1,126 @@ +/* + * File: ximaska.cpp + * Purpose: Platform Independent SKA Image Class Loader and Writer + * 25/Sep/2007 Davide Pizzolato - www.xdp.it + * CxImage version 7.0.0 31/Dec/2010 + */ + +#include "ximaska.h" + +#if CXIMAGE_SUPPORT_SKA + +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImageSKA::Decode(CxFile *hFile) +{ + if (hFile==NULL) + return false; + + // read the header + SKAHEADER ska_header; + hFile->Read(&ska_header,sizeof(SKAHEADER),1); + + ska_header.Width = m_ntohs(ska_header.Width); + ska_header.Height = m_ntohs(ska_header.Height); + ska_header.dwUnknown = m_ntohl(ska_header.dwUnknown); + + // check header + if (ska_header.dwUnknown != 0x01000000 || + ska_header.Width > 0x7FFF || ska_header.Height > 0x7FFF || + ska_header.BppExp != 3) + return false; + + if (info.nEscape == -1){ + head.biWidth = ska_header.Width ; + head.biHeight= ska_header.Height; + info.dwType = CXIMAGE_FORMAT_SKA; + return true; + } + + int32_t bpp = 1<Read(ppal,nColors*sizeof(rgb_color),1); + SetPalette(ppal,nColors); + free(ppal); + + //read the image + hFile->Read(GetBits(),ska_header.Width*ska_header.Height,1); + + //reorder rows + if (GetEffWidth() != ska_header.Width){ + uint8_t *src,*dst; + src = GetBits() + ska_header.Width*(ska_header.Height-1); + dst = GetBits(ska_header.Height-1); + for(int32_t y=0;y 8) { + strcpy(info.szLastError,"SKA Images must be 8 bit or less"); + return false; + } + + SKAHEADER ska_header; + + ska_header.Width = (uint16_t)GetWidth(); + ska_header.Height = (uint16_t)GetHeight(); + ska_header.BppExp = 3; + ska_header.dwUnknown = 0x01000000; + + ska_header.Width = m_ntohs(ska_header.Width); + ska_header.Height = m_ntohs(ska_header.Height); + ska_header.dwUnknown = m_ntohl(ska_header.dwUnknown); + + hFile->Write(&ska_header,sizeof(SKAHEADER),1); + + ska_header.Width = m_ntohs(ska_header.Width); + ska_header.Height = m_ntohs(ska_header.Height); + ska_header.dwUnknown = m_ntohl(ska_header.dwUnknown); + + if (head.biBitCount<8) IncreaseBpp(8); + + rgb_color pal[256]; + for(int32_t idx=0; idx<256; idx++){ + GetPaletteColor(idx,&(pal[idx].r),&(pal[idx].g),&(pal[idx].b)); + } + + hFile->Write(pal,256*sizeof(rgb_color),1); + + uint8_t* src = GetBits(ska_header.Height-1); + for(int32_t y=0;yWrite(src,ska_header.Width,1); + src -= GetEffWidth(); + } + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_SKA + diff --git a/smelt/glfw/CxImage/ximaska.h b/smelt/glfw/CxImage/ximaska.h new file mode 100644 index 0000000..ad3f598 --- /dev/null +++ b/smelt/glfw/CxImage/ximaska.h @@ -0,0 +1,44 @@ +/* + * File: ximaska.h + * Purpose: SKA Image Class Loader and Writer + */ +/* ========================================================== + * CxImageSKA (c) 25/Sep/2007 Davide Pizzolato - www.xdp.it + * For conditions of distribution and use, see copyright notice in ximage.h + * ========================================================== + */ +#if !defined(__ximaSKA_h) +#define __ximaSKA_h + +#include "ximage.h" + +#if CXIMAGE_SUPPORT_SKA + +class CxImageSKA: public CxImage +{ +#pragma pack(1) + typedef struct tagSkaHeader { + uint16_t Width; + uint16_t Height; + uint8_t BppExp; + uint32_t dwUnknown; +} SKAHEADER; +#pragma pack() + +public: + CxImageSKA(): CxImage(CXIMAGE_FORMAT_SKA) {} + +// bool Load(const char * imageFileName){ return CxImage::Load(imageFileName,CXIMAGE_FORMAT_ICO);} +// bool Save(const char * imageFileName){ return CxImage::Save(imageFileName,CXIMAGE_FORMAT_ICO);} + bool Decode(CxFile * hFile); + bool Decode(FILE *hFile) { CxIOFile file(hFile); return Decode(&file); } + +#if CXIMAGE_SUPPORT_ENCODE + bool Encode(CxFile * hFile); + bool Encode(FILE *hFile) { CxIOFile file(hFile); return Encode(&file); } +#endif // CXIMAGE_SUPPORT_ENCODE +}; + +#endif + +#endif diff --git a/smelt/glfw/CxImage/ximatga.cpp b/smelt/glfw/CxImage/ximatga.cpp new file mode 100644 index 0000000..f1a762a --- /dev/null +++ b/smelt/glfw/CxImage/ximatga.cpp @@ -0,0 +1,320 @@ +/* + * File: ximatga.cpp + * Purpose: Platform Independent TGA Image Class Loader and Writer + * 05/Jan/2001 Davide Pizzolato - www.xdp.it + * CxImage version 7.0.0 31/Dec/2010 + */ + +#include "ximatga.h" + +#if CXIMAGE_SUPPORT_TGA + +#include "ximaiter.h" + +// Definitions for image types. +#define TGA_Null 0 +#define TGA_Map 1 +#define TGA_RGB 2 +#define TGA_Mono 3 +#define TGA_RLEMap 9 +#define TGA_RLERGB 10 +#define TGA_RLEMono 11 +#define TGA_CompMap 32 +#define TGA_CompMap4 33 + +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImageTGA::Decode(CxFile *hFile) +{ + if (hFile == NULL) return false; + + TGAHEADER tgaHead; + + cx_try + { + if (hFile->Read(&tgaHead,sizeof(tgaHead),1)==0) + cx_throw("Not a TGA"); + + tga_toh(&tgaHead); + + bool bCompressed; + switch (tgaHead.ImageType){ + case TGA_Map: + case TGA_RGB: + case TGA_Mono: + bCompressed = false; + break; + case TGA_RLEMap: + case TGA_RLERGB: + case TGA_RLEMono: + bCompressed = true; + break; + default: + cx_throw("Unknown TGA image type"); + } + + if (tgaHead.ImageWidth==0 || tgaHead.ImageHeight==0 || tgaHead.PixelDepth==0 || tgaHead.CmapLength>256) + cx_throw("bad TGA header"); + + if (tgaHead.PixelDepth!=8 && tgaHead.PixelDepth!=15 && tgaHead.PixelDepth!=16 && tgaHead.PixelDepth!=24 && tgaHead.PixelDepth!=32) + cx_throw("bad TGA header"); + + if (info.nEscape == -1){ + head.biWidth = tgaHead.ImageWidth ; + head.biHeight= tgaHead.ImageHeight; + info.dwType = CXIMAGE_FORMAT_TGA; + return true; + } + + if (tgaHead.IdLength>0) hFile->Seek(tgaHead.IdLength,SEEK_CUR); //skip descriptor + + Create(tgaHead.ImageWidth, tgaHead.ImageHeight, tgaHead.PixelDepth, CXIMAGE_FORMAT_TGA); +#if CXIMAGE_SUPPORT_ALPHA // + if (tgaHead.PixelDepth==32) AlphaCreate(); // Image has alpha channel +#endif //CXIMAGE_SUPPORT_ALPHA + + if (!IsValid()) cx_throw("TGA Create failed"); + + if (info.nEscape) cx_throw("Cancelled"); // - cancel decoding + + if (tgaHead.CmapType != 0){ // read the palette + rgb_color pal[256]; + hFile->Read(pal,tgaHead.CmapLength*sizeof(rgb_color), 1); + for (int32_t i=0;i - cancel decoding + + if (hFile == NULL || hFile->Eof()) cx_throw("corrupted TGA"); + + if (bYReversed) pDest = iter.GetRow(tgaHead.ImageHeight-y-1); + else pDest = iter.GetRow(y); + + if (bCompressed) rleLeftover = ExpandCompressedLine(pDest,&tgaHead,hFile,tgaHead.ImageWidth,y,rleLeftover); + else ExpandUncompressedLine (pDest,&tgaHead,hFile,tgaHead.ImageWidth,y,0); + } + + if (bXReversed) Mirror(); + +#if CXIMAGE_SUPPORT_ALPHA + if (bYReversed && tgaHead.PixelDepth==32) AlphaFlip(); // +#endif //CXIMAGE_SUPPORT_ALPHA + + } cx_catch { + if (strcmp(message,"")) strncpy(info.szLastError,message,255); + return false; + } + return true; +} +//////////////////////////////////////////////////////////////////////////////// +#endif //CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImageTGA::Encode(CxFile * hFile) +{ + if (EncodeSafeCheck(hFile)) return false; + + if (head.biBitCount<8){ + strcpy(info.szLastError,"Bit depth must be 8 or 24"); + return false; + } + + TGAHEADER tgaHead; + + tgaHead.IdLength = 0; // Image ID Field Length + tgaHead.CmapType = GetPalette()!=0; // Color Map Type + tgaHead.ImageType = (head.biBitCount == 8) ? (uint8_t)TGA_Map : (uint8_t)TGA_RGB; // Image Type + + tgaHead.CmapIndex=0; // First Entry Index + tgaHead.CmapLength=(head.biBitCount == 8) ? 256 : 0; // Color Map Length + tgaHead.CmapEntrySize=(head.biBitCount == 8) ? (uint8_t)24 : (uint8_t)0; // Color Map Entry Size + + tgaHead.X_Origin=0; // X-origin of Image + tgaHead.Y_Origin=0; // Y-origin of Image + tgaHead.ImageWidth=(uint16_t)head.biWidth; // Image Width + tgaHead.ImageHeight=(uint16_t)head.biHeight; // Image Height + tgaHead.PixelDepth=(uint8_t)head.biBitCount; // Pixel Depth + tgaHead.ImagDesc=0; // Image Descriptor + + if (pAlpha && head.biBitCount==24) tgaHead.PixelDepth=32; + + tga_toh(&tgaHead); + hFile->Write(&tgaHead,sizeof(TGAHEADER),1); + tga_toh(&tgaHead); + + if (head.biBitCount==8){ + rgb_color pal[256]; + RGBQUAD* ppal = GetPalette(); + for (int32_t i=0;i<256; i++){ + pal[i].r = ppal[i].rgbBlue; + pal[i].g = ppal[i].rgbGreen; + pal[i].b = ppal[i].rgbRed; + } + hFile->Write(&pal,256*sizeof(rgb_color),1); + } + + CImageIterator iter(this); + uint8_t* pDest; + if (pAlpha==0 || head.biBitCount==8){ + for (int32_t y=0; y < tgaHead.ImageHeight; y++){ + pDest = iter.GetRow(y); + hFile->Write(pDest,tgaHead.ImageWidth * (head.biBitCount >> 3),1); + } + } else { + pDest = (uint8_t*)malloc(4*tgaHead.ImageWidth); + RGBQUAD c; + for (int32_t y=0; y < tgaHead.ImageHeight; y++){ + for(int32_t x=0, x4=0;x + pDest[x4+3]=AlphaGet(x,y); +#else + pDest[x4+3]=0; +#endif //CXIMAGE_SUPPORT_ALPHA + } + hFile->Write(pDest,4*tgaHead.ImageWidth,1); + } + free(pDest); + } + return true; +} +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +uint8_t CxImageTGA::ExpandCompressedLine(uint8_t* pDest,TGAHEADER* ptgaHead,CxFile *hFile,int32_t width, int32_t y, uint8_t rleLeftover) +{ + uint8_t rle; + int32_t filePos=0; + for (int32_t x=0; xRead(&rle,1,1); + } + if (rle & 128) { // RLE-Encoded packet + rle -= 127; // Calculate real repeat count. + if ((x+rle)>width){ + rleLeftover = (uint8_t)(128 + (rle - (width - x) - 1)); + filePos = hFile->Tell(); + rle = (uint8_t)(width - x); + } + switch (ptgaHead->PixelDepth) + { + case 32: { + RGBQUAD color; + hFile->Read(&color,4,1); + for (int32_t ix = 0; ix < rle; ix++){ + memcpy(&pDest[3*ix],&color,3); +#if CXIMAGE_SUPPORT_ALPHA // + AlphaSet(ix+x,y,color.rgbReserved); +#endif //CXIMAGE_SUPPORT_ALPHA + } + break; + } + case 24: { + rgb_color triple; + hFile->Read(&triple,3,1); + for (int32_t ix = 0; ix < rle; ix++) memcpy(&pDest[3*ix],&triple,3); + break; + } + case 15: + case 16: { + uint16_t pixel; + hFile->Read(&pixel,2,1); + rgb_color triple; + triple.r = (uint8_t)(( pixel & 0x1F ) * 8); // red + triple.g = (uint8_t)(( pixel >> 2 ) & 0x0F8); // green + triple.b = (uint8_t)(( pixel >> 7 ) & 0x0F8); // blue + for (int32_t ix = 0; ix < rle; ix++){ + memcpy(&pDest[3*ix],&triple,3); + } + break; + } + case 8: { + uint8_t pixel; + hFile->Read(&pixel,1,1); + for (int32_t ix = 0; ix < rle; ix++) pDest[ix] = pixel; + } + } + if (rleLeftover!=255) hFile->Seek(filePos, SEEK_SET); + } else { // Raw packet + rle += 1; // Calculate real repeat count. + if ((x+rle)>width){ + rleLeftover = (uint8_t)(rle - (width - x) - 1); + rle = (uint8_t)(width - x); + } + ExpandUncompressedLine(pDest,ptgaHead,hFile,rle,y,x); + } + if (head.biBitCount == 24) pDest += rle*3; else pDest += rle; + x += rle; + } + return rleLeftover; +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageTGA::ExpandUncompressedLine(uint8_t* pDest,TGAHEADER* ptgaHead,CxFile *hFile,int32_t width, int32_t y, int32_t xoffset) +{ + switch (ptgaHead->PixelDepth){ + case 8: + hFile->Read(pDest,width,1); + break; + case 15: + case 16:{ + uint8_t* dst=pDest; + uint16_t pixel; + for (int32_t x=0; xRead(&pixel,2,1); + *dst++ = (uint8_t)(( pixel & 0x1F ) * 8); // blue + *dst++ = (uint8_t)(( pixel >> 2 ) & 0x0F8); // green + *dst++ = (uint8_t)(( pixel >> 7 ) & 0x0F8); // red + } + break; + } + case 24: + hFile->Read(pDest,3*width,1); + break; + case 32:{ + uint8_t* dst=pDest; + for (int32_t x=0; xRead(&pixel,4,1); + *dst++ = pixel.rgbBlue; + *dst++ = pixel.rgbGreen; + *dst++ = pixel.rgbRed; +#if CXIMAGE_SUPPORT_ALPHA // + AlphaSet(x+xoffset,y,pixel.rgbReserved); //alpha +#endif //CXIMAGE_SUPPORT_ALPHA + } + break; + } + } +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageTGA::tga_toh(TGAHEADER* p) +{ + p->CmapIndex = m_ntohs(p->CmapIndex); + p->CmapLength = m_ntohs(p->CmapLength); + p->X_Origin = m_ntohs(p->X_Origin); + p->Y_Origin = m_ntohs(p->Y_Origin); + p->ImageWidth = m_ntohs(p->ImageWidth); + p->ImageHeight = m_ntohs(p->ImageHeight); +} +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_TGA diff --git a/smelt/glfw/CxImage/ximatga.h b/smelt/glfw/CxImage/ximatga.h new file mode 100644 index 0000000..3cbc36a --- /dev/null +++ b/smelt/glfw/CxImage/ximatga.h @@ -0,0 +1,61 @@ +/* + * File: ximatga.h + * Purpose: TARGA Image Class Loader and Writer + */ +/* ========================================================== + * CxImageTGA (c) 05/Jan/2002 Davide Pizzolato - www.xdp.it + * For conditions of distribution and use, see copyright notice in ximage.h + * + * Parts of the code come from Paintlib : Copyright (c) 1996-1998 Ulrich von Zadow + * ========================================================== + */ +#if !defined(__ximaTGA_h) +#define __ximaTGA_h + +#include "ximage.h" + +#if CXIMAGE_SUPPORT_TGA + +class CxImageTGA: public CxImage +{ +#pragma pack(1) +typedef struct tagTgaHeader +{ + uint8_t IdLength; // Image ID Field Length + uint8_t CmapType; // Color Map Type + uint8_t ImageType; // Image Type + + uint16_t CmapIndex; // First Entry Index + uint16_t CmapLength; // Color Map Length + uint8_t CmapEntrySize; // Color Map Entry Size + + uint16_t X_Origin; // X-origin of Image + uint16_t Y_Origin; // Y-origin of Image + uint16_t ImageWidth; // Image Width + uint16_t ImageHeight; // Image Height + uint8_t PixelDepth; // Pixel Depth + uint8_t ImagDesc; // Image Descriptor +} TGAHEADER; +#pragma pack() + +public: + CxImageTGA(): CxImage(CXIMAGE_FORMAT_TGA) {} + +// bool Load(const TCHAR * imageFileName){ return CxImage::Load(imageFileName,CXIMAGE_FORMAT_TGA);} +// bool Save(const TCHAR * imageFileName){ return CxImage::Save(imageFileName,CXIMAGE_FORMAT_TGA);} + bool Decode(CxFile * hFile); + bool Decode(FILE *hFile) { CxIOFile file(hFile); return Decode(&file); } + +#if CXIMAGE_SUPPORT_ENCODE + bool Encode(CxFile * hFile); + bool Encode(FILE *hFile) { CxIOFile file(hFile); return Encode(&file); } +#endif // CXIMAGE_SUPPORT_ENCODE +protected: + uint8_t ExpandCompressedLine(uint8_t* pDest,TGAHEADER* ptgaHead,CxFile *hFile,int32_t width, int32_t y, uint8_t rleLeftover); + void ExpandUncompressedLine(uint8_t* pDest,TGAHEADER* ptgaHead,CxFile *hFile,int32_t width, int32_t y, int32_t xoffset); + void tga_toh(TGAHEADER* p); +}; + +#endif + +#endif diff --git a/smelt/glfw/CxImage/ximath.cpp b/smelt/glfw/CxImage/ximath.cpp new file mode 100644 index 0000000..0175184 --- /dev/null +++ b/smelt/glfw/CxImage/ximath.cpp @@ -0,0 +1,97 @@ +#include "ximage.h" +#include "ximath.h" +#include + +//this module should contain some classes for geometrical transformations +//usable with selections, etc... once it's done, that is. :) + +CxPoint2::CxPoint2() +{ + x=y=0.0f; +} + +CxPoint2::CxPoint2(float const x_, float const y_) +{ + x=x_; + y=y_; +} + +CxPoint2::CxPoint2(CxPoint2 const &p) +{ + x=p.x; + y=p.y; +} + +float CxPoint2::Distance(CxPoint2 const p2) +{ + return (float)sqrt((x-p2.x)*(x-p2.x)+(y-p2.y)*(y-p2.y)); +} + +float CxPoint2::Distance(float const x_, float const y_) +{ + return (float)sqrt((x-x_)*(x-x_)+(y-y_)*(y-y_)); +} + +CxRect2::CxRect2() +{ +} + +CxRect2::CxRect2(float const x1_, float const y1_, float const x2_, float const y2_) +{ + botLeft.x=x1_; + botLeft.y=y1_; + topRight.x=x2_; + topRight.y=y2_; +} + +CxRect2::CxRect2(CxRect2 const &p) +{ + botLeft=p.botLeft; + topRight=p.topRight; +} + +float CxRect2::Surface() const +/* + * Returns the surface of rectangle. + */ +{ + return (topRight.x-botLeft.x)*(topRight.y-botLeft.y); +} + +CxRect2 CxRect2::CrossSection(CxRect2 const &r2) const +/* + * Returns crossection with another rectangle. + */ +{ + CxRect2 cs; + cs.botLeft.x=max(botLeft.x, r2.botLeft.x); + cs.botLeft.y=max(botLeft.y, r2.botLeft.y); + cs.topRight.x=min(topRight.x, r2.topRight.x); + cs.topRight.y=min(topRight.y, r2.topRight.y); + if (cs.botLeft.x<=cs.topRight.x && cs.botLeft.y<=cs.topRight.y) { + return cs; + } else { + return CxRect2(0,0,0,0); + }//if +} + +CxPoint2 CxRect2::Center() const +/* + * Returns the center point of rectangle. + */ +{ + return CxPoint2((topRight.x+botLeft.x)/2.0f, (topRight.y+botLeft.y)/2.0f); +} + +float CxRect2::Width() const +//returns rectangle width +{ + return topRight.x-botLeft.x; +} + +float CxRect2::Height() const +//returns rectangle height +{ + return topRight.y-botLeft.y; +} + diff --git a/smelt/glfw/CxImage/ximath.h b/smelt/glfw/CxImage/ximath.h new file mode 100644 index 0000000..014c14b --- /dev/null +++ b/smelt/glfw/CxImage/ximath.h @@ -0,0 +1,39 @@ +#if !defined(__ximath_h) +#define __ximath_h + +#include "ximadef.h" + +//***bd*** simple floating point point +class DLL_EXP CxPoint2 +{ +public: + CxPoint2(); + CxPoint2(float const x_, float const y_); + CxPoint2(CxPoint2 const &p); + + float Distance(CxPoint2 const p2); + float Distance(float const x_, float const y_); + + float x,y; +}; + +//and simple rectangle +class DLL_EXP CxRect2 +{ +public: + CxRect2(); + CxRect2(float const x1_, float const y1_, float const x2_, float const y2_); + CxRect2(CxPoint2 const &bl, CxPoint2 const &tr); + CxRect2(CxRect2 const &p); + + float Surface() const; + CxRect2 CrossSection(CxRect2 const &r2) const; + CxPoint2 Center() const; + float Width() const; + float Height() const; + + CxPoint2 botLeft; + CxPoint2 topRight; +}; + +#endif diff --git a/smelt/glfw/CxImage/ximatif.cpp b/smelt/glfw/CxImage/ximatif.cpp new file mode 100644 index 0000000..7675361 --- /dev/null +++ b/smelt/glfw/CxImage/ximatif.cpp @@ -0,0 +1,982 @@ +/* + * File: ximatif.cpp + * Purpose: Platform Independent TIFF Image Class Loader and Writer + * 07/Aug/2001 Davide Pizzolato - www.xdp.it + * CxImage version 7.0.0 31/Dec/2010 + */ + +#include "ximatif.h" + +#if CXIMAGE_SUPPORT_TIF + +#define FIX_16BPP_DARKIMG // + VK: if uncomment, dark 16bpp images are fixed + +#include "../tiff/tiffio.h" + +#define CVT(x) (((x) * 255L) / ((1L<<16)-1)) +#define SCALE(x) (((x)*((1L<<16)-1))/255) +#define CalculateLine(width,bitdepth) (((width * bitdepth) + 7) / 8) +#define CalculatePitch(line) (line + 3 & ~3) + +extern "C" TIFF* _TIFFOpenEx(CxFile* stream, const char* mode); + +//////////////////////////////////////////////////////////////////////////////// +CxImageTIF::~CxImageTIF() +{ + if (m_tif2) TIFFClose(m_tif2); +} +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImageTIF::Decode(CxFile * hFile) +{ + //Comment this line if you need more information on errors + // TIFFSetErrorHandler(NULL); // + + //Open file and fill the TIFF structure + // m_tif = TIFFOpen(imageFileName,"rb"); + TIFF* m_tif = _TIFFOpenEx(hFile, "rb"); + + uint32 height=0; + uint32 width=0; + uint16 bitspersample=1; + uint16 samplesperpixel=1; + uint32 rowsperstrip=(uint32_t)-1; + uint16 photometric=0; + uint16 compression=1; + uint16 orientation=ORIENTATION_TOPLEFT; // + uint16 res_unit; // + uint32 x, y; + float resolution, offset; + BOOL isRGB; + uint8_t *bits; //pointer to source data + uint8_t *bits2; //pointer to destination data + + cx_try + { + //check if it's a tiff file + if (!m_tif) + cx_throw("Error encountered while opening TIFF file"); + + // - 12/2002 : get NumFrames directly, instead of looping + // info.nNumFrames=0; + // while(TIFFSetDirectory(m_tif,(uint16)info.nNumFrames)) info.nNumFrames++; + info.nNumFrames = TIFFNumberOfDirectories(m_tif); + + if (!TIFFSetDirectory(m_tif, (uint16)info.nFrame)) + cx_throw("Error: page not present in TIFF file"); + + //get image info + TIFFGetField(m_tif, TIFFTAG_IMAGEWIDTH, &width); + TIFFGetField(m_tif, TIFFTAG_IMAGELENGTH, &height); + TIFFGetField(m_tif, TIFFTAG_SAMPLESPERPIXEL, &samplesperpixel); + TIFFGetField(m_tif, TIFFTAG_BITSPERSAMPLE, &bitspersample); + TIFFGetField(m_tif, TIFFTAG_ROWSPERSTRIP, &rowsperstrip); + TIFFGetField(m_tif, TIFFTAG_PHOTOMETRIC, &photometric); + TIFFGetField(m_tif, TIFFTAG_ORIENTATION, &orientation); + + if (info.nEscape == -1) { + // Return output dimensions only + head.biWidth = width; + head.biHeight = height; + info.dwType = CXIMAGE_FORMAT_TIF; + cx_throw("output dimensions returned"); + } + + TIFFGetFieldDefaulted(m_tif, TIFFTAG_RESOLUTIONUNIT, &res_unit); + if (TIFFGetField(m_tif, TIFFTAG_XRESOLUTION, &resolution)) + { + if (res_unit == RESUNIT_CENTIMETER) resolution = (float)(resolution*2.54f + 0.5f); + SetXDPI((int32_t)resolution); + } + if (TIFFGetField(m_tif, TIFFTAG_YRESOLUTION, &resolution)) + { + if (res_unit == RESUNIT_CENTIMETER) resolution = (float)(resolution*2.54f + 0.5f); + SetYDPI((int32_t)resolution); + } + + if (TIFFGetField(m_tif, TIFFTAG_XPOSITION, &offset)) info.xOffset = (int32_t)offset; + if (TIFFGetField(m_tif, TIFFTAG_YPOSITION, &offset)) info.yOffset = (int32_t)offset; + + head.biClrUsed=0; + info.nBkgndIndex =-1; + + if (rowsperstrip>height){ + rowsperstrip=height; + TIFFSetField(m_tif, TIFFTAG_ROWSPERSTRIP, rowsperstrip); + } + + isRGB = /*(bitspersample >= 8) && (VK: it is possible so for RGB to have < 8 bpp!)*/ + (photometric == PHOTOMETRIC_RGB) || + (photometric == PHOTOMETRIC_YCBCR) || + (photometric == PHOTOMETRIC_SEPARATED) || + (photometric == PHOTOMETRIC_LOGL) || + (photometric == PHOTOMETRIC_LOGLUV); + + if (isRGB){ + head.biBitCount=24; + }else{ + if ((photometric==PHOTOMETRIC_MINISBLACK)||(photometric==PHOTOMETRIC_MINISWHITE)||(photometric==PHOTOMETRIC_PALETTE)){ + if (bitspersample == 1){ + head.biBitCount=1; //B&W image + head.biClrUsed =2; + } else if (bitspersample == 4) { + head.biBitCount=4; //16 colors gray scale + head.biClrUsed =16; + } else { + head.biBitCount=8; //gray scale + head.biClrUsed =256; + } + } else if (bitspersample == 4) { + head.biBitCount=4; // 16 colors + head.biClrUsed=16; + } else { + head.biBitCount=8; //256 colors + head.biClrUsed=256; + } + + if ((bitspersample > 8) && (photometric==PHOTOMETRIC_PALETTE)) // + VK + (BIG palette! => convert to RGB) + { head.biBitCount=24; + head.biClrUsed =0; + } + } + + if (info.nEscape) cx_throw("Cancelled"); // - cancel decoding + + Create(width,height,head.biBitCount,CXIMAGE_FORMAT_TIF); //image creation + if (!pDib) cx_throw("CxImageTIF can't create image"); + +#if CXIMAGE_SUPPORT_ALPHA + if (samplesperpixel==4) AlphaCreate(); //add alpha support for 32bpp tiffs + if (samplesperpixel==2 && bitspersample==8) AlphaCreate(); //add alpha support for 8bpp + alpha +#endif //CXIMAGE_SUPPORT_ALPHA + + TIFFGetField(m_tif, TIFFTAG_COMPRESSION, &compression); + SetCodecOption(compression); // save original compression type + + if (isRGB) { + // Read the whole image into one big RGBA buffer using + // the traditional TIFFReadRGBAImage() API that we trust. + uint32* raster; // retrieve RGBA image + uint32 *row; + + raster = (uint32*)_TIFFmalloc(width * height * sizeof (uint32)); + if (raster == NULL) cx_throw("No space for raster buffer"); + + // Read the image in one chunk into an RGBA array + if(!TIFFReadRGBAImage(m_tif, width, height, raster, 1)) { + _TIFFfree(raster); + cx_throw("Corrupted TIFF file!"); + } + + // read the raster lines and save them in the DIB + // with RGB mode, we have to change the order of the 3 samples RGB + row = &raster[0]; + bits2 = info.pImage; + for (y = 0; y < height; y++) { + + if (info.nEscape){ // - cancel decoding + _TIFFfree(raster); + cx_throw("Cancelled"); + } + + bits = bits2; + for (x = 0; x < width; x++) { + *bits++ = (uint8_t)TIFFGetB(row[x]); + *bits++ = (uint8_t)TIFFGetG(row[x]); + *bits++ = (uint8_t)TIFFGetR(row[x]); +#if CXIMAGE_SUPPORT_ALPHA + if (samplesperpixel==4) AlphaSet(x,y,(uint8_t)TIFFGetA(row[x])); +#endif //CXIMAGE_SUPPORT_ALPHA + } + row += width; + bits2 += info.dwEffWidth; + } + _TIFFfree(raster); + } else { + int32_t BIG_palette = (bitspersample > 8) && // + VK + (photometric==PHOTOMETRIC_PALETTE); + if (BIG_palette && (bitspersample > 24)) // + VK + cx_throw("Too big palette to handle"); // + VK + + RGBQUAD *pal; + pal=(RGBQUAD*)calloc(BIG_palette ? 1< 8) + + // set up the colormap based on photometric + switch(photometric) { + case PHOTOMETRIC_MINISBLACK: // bitmap and greyscale image types + case PHOTOMETRIC_MINISWHITE: + if (bitspersample == 1) { // Monochrome image + if (photometric == PHOTOMETRIC_MINISBLACK) { + pal[1].rgbRed = pal[1].rgbGreen = pal[1].rgbBlue = 255; + } else { + pal[0].rgbRed = pal[0].rgbGreen = pal[0].rgbBlue = 255; + } + } else { // need to build the scale for greyscale images + if (photometric == PHOTOMETRIC_MINISBLACK) { + for (int32_t i=0; i<(1< 0) { + if (red[n] >= 256 || green[n] >= 256 || blue[n] >= 256) { + Palette16Bits=TRUE; + break; + } + } + } + + // load the palette in the DIB + for (int32_t i = (1 << ( BIG_palette ? bitspersample : bpp )) - 1; i >= 0; i--) { + if (Palette16Bits) { + pal[i].rgbRed =(uint8_t) CVT(red[i]); + pal[i].rgbGreen = (uint8_t) CVT(green[i]); + pal[i].rgbBlue = (uint8_t) CVT(blue[i]); + } else { + pal[i].rgbRed = (uint8_t) red[i]; + pal[i].rgbGreen = (uint8_t) green[i]; + pal[i].rgbBlue = (uint8_t) blue[i]; + } + } + break; + } + if (!BIG_palette) { // + VK (BIG palette is stored until image is ready) + SetPalette(pal,/*head.biClrUsed*/ 1<(int32_t)(head.biSizeImage*samplesperpixel)) + bitsize = head.biSizeImage*samplesperpixel; + if (bitsize<(int32_t)(info.dwEffWidth*rowsperstrip)) + bitsize = info.dwEffWidth*rowsperstrip; + + if ((bitspersample > 8) && (bitspersample != 16)) // + VK (for bitspersample == 9..15,17..32..64 + bitsize *= (bitspersample + 7)/8; + + int32_t tiled_image = TIFFIsTiled(m_tif); + uint32 tw=0, tl=0; + uint8_t* tilebuf=NULL; + if (tiled_image){ + TIFFGetField(m_tif, TIFFTAG_TILEWIDTH, &tw); + TIFFGetField(m_tif, TIFFTAG_TILELENGTH, &tl); + rowsperstrip = tl; + bitsize = TIFFTileSize(m_tif) * (int32_t)(1+width/tw); + tilebuf = (uint8_t*)malloc(TIFFTileSize(m_tif)); + } + + bits = (uint8_t*)malloc(bitspersample==16? bitsize*2 : bitsize); // * VK + uint8_t * bits16 = NULL; // + VK + int32_t line16 = 0; // + VK + + if (!tiled_image && bitspersample==16) { // + VK + + line16 = line; + line = CalculateLine(width, 8 * samplesperpixel); + bits16 = bits; + bits = (uint8_t*)malloc(bitsize); + } + + if (bits==NULL){ + if (bits16) free(bits16); // + VK + if (pal) free(pal); // + VK + if (tilebuf)free(tilebuf); // + VK + cx_throw("CxImageTIF can't allocate memory"); + } + +#ifdef FIX_16BPP_DARKIMG // + VK: for each line, store shift count bits used to fix it + uint8_t* row_shifts = NULL; + if (bits16) row_shifts = (uint8_t*)malloc(height); +#endif + + for (ys = 0; ys < height; ys += rowsperstrip) { + + if (info.nEscape){ // - cancel decoding + free(bits); + cx_throw("Cancelled"); + } + + nrow = (ys + rowsperstrip > height ? height - ys : rowsperstrip); + + if (tiled_image){ + uint32 imagew = TIFFScanlineSize(m_tif); + uint32 tilew = TIFFTileRowSize(m_tif); + int32_t iskew = imagew - tilew; + uint8* bufp = (uint8*) bits; + + uint32 colb = 0; + for (uint32 col = 0; col < width; col += tw) { + if (TIFFReadTile(m_tif, tilebuf, col, ys, 0, 0) < 0){ + free(tilebuf); + free(bits); + cx_throw("Corrupted tiled TIFF file!"); + } + + if (colb + tw > imagew) { + uint32 owidth = imagew - colb; + uint32 oskew = tilew - owidth; + TileToStrip(bufp + colb, tilebuf, nrow, owidth, oskew + iskew, oskew ); + } else { + TileToStrip(bufp + colb, tilebuf, nrow, tilew, iskew, 0); + } + colb += tilew; + } + + } else { + if (TIFFReadEncodedStrip(m_tif, TIFFComputeStrip(m_tif, ys, 0), + (bits16? bits16 : bits), nrow * (bits16 ? line16 : line)) == -1) { // * VK + +#ifdef NOT_IGNORE_CORRUPTED + free(bits); + if (bits16) free(bits16); // + VK + cx_throw("Corrupted TIFF file!"); +#else + break; +#endif + } + } + + for (y = 0; y < nrow; y++) { + int32_t offset=(nrow-y-1)*line; + if ((bitspersample==16) && !BIG_palette) { // * VK + int32_t offset16 = (nrow-y-1)*line16; // + VK + if (bits16) { // + VK + +#ifdef FIX_16BPP_DARKIMG + int32_t the_shift; + uint8_t hi_byte, hi_max=0; + uint32_t xi; + for (xi=0;xi<(uint32)line;xi++) { + hi_byte = bits16[xi*2+offset16+1]; + if(hi_byte>hi_max) + hi_max = hi_byte; + } + the_shift = (hi_max == 0) ? 8 : 0; + if (!the_shift) + while( ! (hi_max & 0x80) ) { + the_shift++; + hi_max <<= 1; + } + row_shifts[height-ys-nrow+y] = the_shift; + the_shift = 8 - the_shift; + for (xi=0;xi<(uint32)line;xi++) + bits[xi+offset]= ((bits16[xi*2+offset16+1]<<8) | bits16[xi*2+offset16]) >> the_shift; +#else + for (uint32_t xi=0;xi<(uint32)line;xi++) + bits[xi+offset]=bits16[xi*2+offset16+1]; +#endif + } else { + for (uint32_t xi=0;xi=(int32_t)width){ + yi--; + xi=0; + } + } + } else { //photometric==PHOTOMETRIC_CIELAB + if (head.biBitCount!=24){ //fix image + Create(width,height,24,CXIMAGE_FORMAT_TIF); +#if CXIMAGE_SUPPORT_ALPHA + if (samplesperpixel==4) AlphaCreate(); +#endif //CXIMAGE_SUPPORT_ALPHA + } + + int32_t xi=0; + uint32 ii=0; + int32_t yi=height-ys-nrow+y; + RGBQUAD c; + int32_t l,a,b,bitsoffset; + double p,cx,cy,cz,cr,cg,cb; + while (ii127) a-=256; + if (b>127) b-=256; + // lab to xyz + p = (l/2.55 + 16) / 116.0; + cx = pow( p + a * 0.002, 3); + cy = pow( p, 3); + cz = pow( p - b * 0.005, 3); + // white point + cx*=0.95047; + //cy*=1.000; + cz*=1.0883; + // xyz to rgb + cr = 3.240479 * cx - 1.537150 * cy - 0.498535 * cz; + cg = -0.969256 * cx + 1.875992 * cy + 0.041556 * cz; + cb = 0.055648 * cx - 0.204043 * cy + 1.057311 * cz; + + if ( cr > 0.00304 ) cr = 1.055 * pow(cr,0.41667) - 0.055; + else cr = 12.92 * cr; + if ( cg > 0.00304 ) cg = 1.055 * pow(cg,0.41667) - 0.055; + else cg = 12.92 * cg; + if ( cb > 0.00304 ) cb = 1.055 * pow(cb,0.41667) - 0.055; + else cb = 12.92 * cb; + + c.rgbRed =(uint8_t)max(0,min(255,(int32_t)(cr*255))); + c.rgbGreen=(uint8_t)max(0,min(255,(int32_t)(cg*255))); + c.rgbBlue =(uint8_t)max(0,min(255,(int32_t)(cb*255))); + + SetPixelColor(xi,yi,c); +#if CXIMAGE_SUPPORT_ALPHA + if (samplesperpixel==4) AlphaSet(xi,yi,bits[bitsoffset+3]); +#endif //CXIMAGE_SUPPORT_ALPHA + ii++; + xi++; + if (xi>=(int32_t)width){ + yi--; + xi=0; + } + } + } + } + } + free(bits); + if (bits16) free(bits16); + +#ifdef FIX_16BPP_DARKIMG + if (row_shifts && (samplesperpixel == 1) && (bitspersample==16) && !BIG_palette) { + // 1. calculate maximum necessary shift + int32_t min_row_shift = 8; + for( y=0; y row_shifts[y]) min_row_shift = row_shifts[y]; + } + // 2. for rows having less shift value, correct such rows: + for( y=0; y>= need_shift; + } + } + } + if (row_shifts) free( row_shifts ); +#endif + + if (tiled_image) free(tilebuf); + if (pal) free(pal); + + switch(orientation){ + case ORIENTATION_TOPRIGHT: /* row 0 top, col 0 rhs */ + Mirror(); + break; + case ORIENTATION_BOTRIGHT: /* row 0 bottom, col 0 rhs */ + Flip(); + Mirror(); + break; + case ORIENTATION_BOTLEFT: /* row 0 bottom, col 0 lhs */ + Flip(); + break; + case ORIENTATION_LEFTTOP: /* row 0 lhs, col 0 top */ + RotateRight(); + Mirror(); + break; + case ORIENTATION_RIGHTTOP: /* row 0 rhs, col 0 top */ + RotateLeft(); + break; + case ORIENTATION_RIGHTBOT: /* row 0 rhs, col 0 bottom */ + RotateLeft(); + Mirror(); + break; + case ORIENTATION_LEFTBOT: /* row 0 lhs, col 0 bottom */ + RotateRight(); + break; + } + + } + } cx_catch { + if (strcmp(message,"")) strncpy(info.szLastError,message,255); + if (m_tif) TIFFClose(m_tif); + if (info.nEscape == -1 && info.dwType == CXIMAGE_FORMAT_TIF) return true; + return false; + } + TIFFClose(m_tif); + return true; +} +//////////////////////////////////////////////////////////////////////////////// +#endif //CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImageTIF::Encode(CxFile * hFile, bool bAppend) +{ + cx_try + { + if (hFile==NULL) cx_throw(CXIMAGE_ERR_NOFILE); + if (pDib==NULL) cx_throw(CXIMAGE_ERR_NOIMAGE); + + // replaced "w+b" with "a", to append an image directly on an existing file + if (m_tif2==NULL) m_tif2=_TIFFOpenEx(hFile, "a"); + if (m_tif2==NULL) cx_throw("initialization fail"); + + if (bAppend || m_pages) m_multipage=true; + m_pages++; + + if (!EncodeBody(m_tif2,m_multipage,m_pages,m_pages)) cx_throw("Error saving TIFF file"); + if (bAppend) { + if (!TIFFWriteDirectory(m_tif2)) cx_throw("Error saving TIFF directory"); + } + } cx_catch { + if (strcmp(message,"")) strncpy(info.szLastError,message,255); + if (m_tif2){ + TIFFClose(m_tif2); + m_tif2=NULL; + m_multipage=false; + m_pages=0; + } + return false; + } + if (!bAppend){ + TIFFClose(m_tif2); + m_tif2=NULL; + m_multipage=false; + m_pages=0; + } + return true; +} +//////////////////////////////////////////////////////////////////////////////// +// Thanks to Abe +bool CxImageTIF::Encode(CxFile * hFile, CxImage ** pImages, int32_t pagecount) +{ + cx_try + { + if (hFile==NULL) cx_throw("invalid file pointer"); + if (pImages==NULL || pagecount<=0) cx_throw("multipage TIFF, no images!"); + + int32_t i; + for (i=0; iIsValid())) + cx_throw("Empty image"); + } + + CxImageTIF ghost; + for (i=0; i some viewers do not handle PHOTOMETRIC_MINISBLACK: + * let's transform the image in PHOTOMETRIC_MINISWHITE + */ + //invert the colors + RGBQUAD tempRGB=GetPaletteColor(0); + SetPaletteColor(0,GetPaletteColor(1)); + SetPaletteColor(1,tempRGB); + //invert the pixels + uint8_t *iSrc=info.pImage; + for (uint32_t i=0;irgbRed != x)||(rgb->rgbRed != rgb->rgbGreen)||(rgb->rgbRed != rgb->rgbBlue)){ + photometric = PHOTOMETRIC_PALETTE; + break; + } + rgb++; + } + break; + case 24: + case 32: + photometric = PHOTOMETRIC_RGB; + break; + } + +#if CXIMAGE_SUPPORT_ALPHA + if (AlphaIsValid() && bitcount==8) samplesperpixel=2; //8bpp + alpha layer +#endif //CXIMAGE_SUPPORT_ALPHA + +// line = CalculateLine(width, bitspersample * samplesperpixel); +// pitch = (uint16)CalculatePitch(line); + + //prepare the palette struct + RGBQUAD pal[256]; + if (GetPalette()){ + uint8_t b; + memcpy(pal,GetPalette(),GetPaletteSize()); + for(uint16_t a=0;a gives better compression + TIFFSetField(m_tif, TIFFTAG_ROWSPERSTRIP, rowsperstrip); + + // handle metrics + TIFFSetField(m_tif, TIFFTAG_RESOLUTIONUNIT, RESUNIT_INCH); + TIFFSetField(m_tif, TIFFTAG_XRESOLUTION, (float)info.xDPI); + TIFFSetField(m_tif, TIFFTAG_YRESOLUTION, (float)info.yDPI); +// TIFFSetField(m_tif, TIFFTAG_XPOSITION, (float)info.xOffset); +// TIFFSetField(m_tif, TIFFTAG_YPOSITION, (float)info.yOffset); + + // multi-paging - Thanks to Abe + if (multipage) + { + char page_number[20]; + sprintf(page_number, "Page %d", page); + + TIFFSetField(m_tif, TIFFTAG_SUBFILETYPE, FILETYPE_PAGE); + TIFFSetField(m_tif, TIFFTAG_PAGENUMBER, page,pagecount); + TIFFSetField(m_tif, TIFFTAG_PAGENAME, page_number); + } else { + TIFFSetField(m_tif, TIFFTAG_SUBFILETYPE, 0); + } + + // palettes (image colormaps are automatically scaled to 16-bits) + if (photometric == PHOTOMETRIC_PALETTE) { + uint16 *r, *g, *b; + r = (uint16 *) _TIFFmalloc(sizeof(uint16) * 3 * 256); + g = r + 256; + b = g + 256; + + for (int32_t i = 255; i >= 0; i--) { + b[i] = (uint16)SCALE((uint16)pal[i].rgbRed); + g[i] = (uint16)SCALE((uint16)pal[i].rgbGreen); + r[i] = (uint16)SCALE((uint16)pal[i].rgbBlue); + } + + TIFFSetField(m_tif, TIFFTAG_COLORMAP, r, g, b); + _TIFFfree(r); + } + + // compression + if (GetCodecOption(CXIMAGE_FORMAT_TIF)) { + compression = (uint16_t)GetCodecOption(CXIMAGE_FORMAT_TIF); + } else { + switch (bitcount) { + case 1 : + compression = COMPRESSION_CCITTFAX4; + break; + case 4 : + case 8 : + compression = COMPRESSION_LZW; + break; + case 24 : + case 32 : + compression = COMPRESSION_JPEG; + break; + default : + compression = COMPRESSION_NONE; + break; + } + } + TIFFSetField(m_tif, TIFFTAG_COMPRESSION, compression); + + switch (compression) { + case COMPRESSION_JPEG: + TIFFSetField(m_tif, TIFFTAG_JPEGQUALITY, GetJpegQuality()); + TIFFSetField(m_tif, TIFFTAG_ROWSPERSTRIP, ((7+rowsperstrip)>>3)<<3); + break; + case COMPRESSION_LZW: + if (bitcount>=8) TIFFSetField(m_tif, TIFFTAG_PREDICTOR, 2); + break; + } + + // read the DIB lines from bottom to top and save them in the TIF + + uint8_t *bits; + switch(bitcount) { + case 1 : + case 4 : + case 8 : + { + if (samplesperpixel==1){ + bits = (uint8_t*)malloc(info.dwEffWidth); + if (!bits) return false; + for (y = 0; y < height; y++) { + memcpy(bits,info.pImage + (height - y - 1)*info.dwEffWidth,info.dwEffWidth); + if (TIFFWriteScanline(m_tif,bits, y, 0)==-1){ + free(bits); + return false; + } + } + free(bits); + } +#if CXIMAGE_SUPPORT_ALPHA + else { //8bpp + alpha layer + bits = (uint8_t*)malloc(2*width); + if (!bits) return false; + for (y = 0; y < height; y++) { + for (x=0;x 0) { + uint32 j = cols; + while (j-- > 0) + *out++ = *in++; + out += outskew; + in += inskew; + } +} +//////////////////////////////////////////////////////////////////////////////// +TIFF* CxImageTIF::TIFFOpenEx(CxFile * hFile) +{ + if (hFile) return _TIFFOpenEx(hFile, "rb"); + return NULL; +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageTIF::TIFFCloseEx(TIFF* tif) +{ + if (tif) TIFFClose(tif); +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageTIF::MoveBits( uint8_t* dest, uint8_t* from, int32_t count, int32_t bpp ) +{ int32_t offbits = 0; + uint16 w; + uint32 d; + if (bpp <= 8) { + while (count-- > 0) { + if (offbits + bpp <= 8) + w = *from >> (8 - offbits - bpp); + else { + w = *from++ << (offbits + bpp - 8); + w |= *from >> (16 - offbits - bpp); + } + offbits += bpp; + if (offbits >= 8) { + offbits -= 8; + if (offbits == 0) from++; + } + *dest++ = (uint8_t)w & ((1 << bpp)-1); + } + } else if (bpp < 16) { + while (count-- > 0) { + d = (*from << 24) | (from[1]<<16) | (from[2]<<8) | from[3]; + d >>= (24 - offbits); + *dest++ = (uint8_t) ( d ); + offbits += bpp; + while (offbits >= 8) { + from++; + offbits -= 8; + } + } + } else if (bpp < 32) { + while (count-- > 0) { + d = (*from << 24) | (from[1]<<16) | (from[2]<<8) | from[3]; + //d = *(uint32*)from; + *dest++ = (uint8_t) ( d >> (offbits + bpp - 8) ); + offbits += bpp; + while (offbits >= 8) { + from++; + offbits -= 8; + } + } + } else { + while (count-- > 0) { + d = *(uint32*)from; + *dest++ = (uint8_t) (d >> 24); + from += 4; + } + } +} +//////////////////////////////////////////////////////////////////////////////// +void CxImageTIF::MoveBitsPal( uint8_t* dest, uint8_t*from, int32_t count, int32_t bpp, RGBQUAD* pal ) +{ int32_t offbits = 0; + uint32 d; + uint16 palidx; + while (count-- > 0) { + d = (*from << 24) | ( *( from + 1 ) << 16 ) + | ( *( from + 2 ) << 8 ) + | ( *( from + 3 ) ); + palidx = (uint16) (d >> (32 - offbits - bpp)); + if (bpp < 16) { + palidx <<= 16-bpp; + palidx = (palidx >> 8) | (palidx <<8); + palidx >>= 16-bpp; + } else palidx = (palidx >> 8) | (palidx << 8); + *dest++ = pal[palidx].rgbBlue; + *dest++ = pal[palidx].rgbGreen; + *dest++ = pal[palidx].rgbRed; + offbits += bpp; + while (offbits >= 8) { + from++; + offbits -= 8; + } + } +} +//////////////////////////////////////////////////////////////////////////////// + +#endif // CXIMAGE_SUPPORT_TIF diff --git a/smelt/glfw/CxImage/ximatif.h b/smelt/glfw/CxImage/ximatif.h new file mode 100644 index 0000000..5ea31f0 --- /dev/null +++ b/smelt/glfw/CxImage/ximatif.h @@ -0,0 +1,62 @@ +/* + * File: ximatif.h + * Purpose: TIFF Image Class Loader and Writer + */ +/* ========================================================== + * CxImageTIF (c) 07/Aug/2001 Davide Pizzolato - www.xdp.it + * For conditions of distribution and use, see copyright notice in ximage.h + * + * Special thanks to Troels Knakkergaard for new features, enhancements and bugfixes + * + * Special thanks to Abe for MultiPageTIFF code. + * + * LibTIFF is: + * Copyright (c) 1988-1997 Sam Leffler + * Copyright (c) 1991-1997 Silicon Graphics, Inc. + * ========================================================== + */ + +#if !defined(__ximatif_h) +#define __ximatif_h + +#include "ximage.h" + +#if CXIMAGE_SUPPORT_TIF + +#include "../tiff/tiffio.h" + +class DLL_EXP CxImageTIF: public CxImage +{ +public: + CxImageTIF(): CxImage(CXIMAGE_FORMAT_TIF) {m_tif2=NULL; m_multipage=false; m_pages=0;} + ~CxImageTIF(); + + TIFF* TIFFOpenEx(CxFile * hFile); + void TIFFCloseEx(TIFF* tif); + +// bool Load(const TCHAR * imageFileName){ return CxImage::Load(imageFileName,CXIMAGE_FORMAT_TIF);} +// bool Save(const TCHAR * imageFileName){ return CxImage::Save(imageFileName,CXIMAGE_FORMAT_TIF);} + bool Decode(CxFile * hFile); + bool Decode(FILE *hFile) { CxIOFile file(hFile); return Decode(&file); } + +#if CXIMAGE_SUPPORT_ENCODE + bool Encode(CxFile * hFile, bool bAppend=false); + bool Encode(CxFile * hFile, CxImage ** pImages, int32_t pagecount); + bool Encode(FILE *hFile, bool bAppend=false) { CxIOFile file(hFile); return Encode(&file,bAppend); } + bool Encode(FILE *hFile, CxImage ** pImages, int32_t pagecount) + { CxIOFile file(hFile); return Encode(&file, pImages, pagecount); } +#endif // CXIMAGE_SUPPORT_ENCODE + +protected: + void TileToStrip(uint8* out, uint8* in, uint32 rows, uint32 cols, int32_t outskew, int32_t inskew); + bool EncodeBody(TIFF *m_tif, bool multipage=false, int32_t page=0, int32_t pagecount=0); + TIFF *m_tif2; + bool m_multipage; + int32_t m_pages; + void MoveBits( uint8_t* dest, uint8_t* from, int32_t count, int32_t bpp ); + void MoveBitsPal( uint8_t* dest, uint8_t*from, int32_t count, int32_t bpp, RGBQUAD* pal ); +}; + +#endif + +#endif diff --git a/smelt/glfw/CxImage/ximatran.cpp b/smelt/glfw/CxImage/ximatran.cpp new file mode 100644 index 0000000..decac18 --- /dev/null +++ b/smelt/glfw/CxImage/ximatran.cpp @@ -0,0 +1,2728 @@ +// xImaTran.cpp : Transformation functions +/* 07/08/2001 v1.00 - Davide Pizzolato - www.xdp.it + * CxImage version 7.0.0 31/Dec/2010 + */ + +#include "ximage.h" +#include "ximath.h" + +#if CXIMAGE_SUPPORT_BASICTRANSFORMATIONS +//////////////////////////////////////////////////////////////////////////////// +/** + * Increases the number of bits per pixel of the image. + * \param nbit: 4, 8, 24 + */ +bool CxImage::IncreaseBpp(uint32_t nbit) +{ + if (!pDib) return false; + switch (nbit){ + case 4: + { + if (head.biBitCount==4) return true; + if (head.biBitCount>4) return false; + + CxImage tmp; + tmp.CopyInfo(*this); + tmp.Create(head.biWidth,head.biHeight,4,info.dwType); + tmp.SetPalette(GetPalette(),GetNumColors()); + if (!tmp.IsValid()){ + strcpy(info.szLastError,tmp.GetLastError()); + return false; + } + + +#if CXIMAGE_SUPPORT_SELECTION + tmp.SelectionCopy(*this); +#endif //CXIMAGE_SUPPORT_SELECTION + +#if CXIMAGE_SUPPORT_ALPHA + tmp.AlphaCopy(*this); +#endif //CXIMAGE_SUPPORT_ALPHA + + for (int32_t y=0;y8) return false; + + CxImage tmp; + tmp.CopyInfo(*this); + tmp.Create(head.biWidth,head.biHeight,8,info.dwType); + tmp.SetPalette(GetPalette(),GetNumColors()); + if (!tmp.IsValid()){ + strcpy(info.szLastError,tmp.GetLastError()); + return false; + } + +#if CXIMAGE_SUPPORT_SELECTION + tmp.SelectionCopy(*this); +#endif //CXIMAGE_SUPPORT_SELECTION + +#if CXIMAGE_SUPPORT_ALPHA + tmp.AlphaCopy(*this); +#endif //CXIMAGE_SUPPORT_ALPHA + + for (int32_t y=0;y24) return false; + + CxImage tmp; + tmp.CopyInfo(*this); + tmp.Create(head.biWidth,head.biHeight,24,info.dwType); + if (!tmp.IsValid()){ + strcpy(info.szLastError,tmp.GetLastError()); + return false; + } + + if (info.nBkgndIndex>=0) //translate transparency + tmp.info.nBkgndColor=GetPaletteColor((uint8_t)info.nBkgndIndex); + +#if CXIMAGE_SUPPORT_SELECTION + tmp.SelectionCopy(*this); +#endif //CXIMAGE_SUPPORT_SELECTION + +#if CXIMAGE_SUPPORT_ALPHA + tmp.AlphaCopy(*this); + if (AlphaPaletteIsValid() && !AlphaIsValid()) tmp.AlphaCreate(); +#endif //CXIMAGE_SUPPORT_ALPHA + + for (int32_t y=0;y= 0) info.nBkgndIndex = ppal[info.nBkgndIndex].rgbBlue; + //create a "real" 8 bit gray scale image + if (head.biBitCount==8){ + uint8_t *img=info.pImage; + for(uint32_t i=0;i> 1]&((uint8_t)0x0F<> pos)].rgbBlue; + } else { + uint8_t pos = (uint8_t)(7-x%8); + iDst[x]= ppal[(uint8_t)((iSrc[x >> 3]&((uint8_t)0x01<> pos)].rgbBlue; + } + } + } + Transfer(ima); + } + } else { //from RGB to 8 bit gray scale + uint8_t *iSrc=info.pImage; + CxImage ima; + ima.CopyInfo(*this); + if (!ima.Create(head.biWidth,head.biHeight,8,info.dwType)) return false; + ima.SetGrayPalette(); + if (GetTransIndex()>=0){ + RGBQUAD c = GetTransColor(); + ima.SetTransIndex((uint8_t)RGB2GRAY(c.rgbRed,c.rgbGreen,c.rgbBlue)); + } +#if CXIMAGE_SUPPORT_SELECTION + ima.SelectionCopy(*this); +#endif //CXIMAGE_SUPPORT_SELECTION +#if CXIMAGE_SUPPORT_ALPHA + ima.AlphaCopy(*this); +#endif //CXIMAGE_SUPPORT_ALPHA + uint8_t *img=ima.GetBits(); + int32_t l8=ima.GetEffWidth(); + int32_t l=head.biWidth * 3; + for(int32_t y=0; y < head.biHeight; y++) { + for(int32_t x=0,x8=0; x < l; x+=3,x8++) { + img[x8+y*l8]=(uint8_t)RGB2GRAY(*(iSrc+x+2),*(iSrc+x+1),*(iSrc+x+0)); + } + iSrc+=info.dwEffWidth; + } + Transfer(ima); + } + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \sa Mirror + * \author [qhbo] + */ +bool CxImage::Flip(bool bFlipSelection, bool bFlipAlpha) +{ + if (!pDib) return false; + + uint8_t *buff = (uint8_t*)malloc(info.dwEffWidth); + if (!buff) return false; + + uint8_t *iSrc,*iDst; + iSrc = GetBits(head.biHeight-1); + iDst = GetBits(0); + for (int32_t i=0; i<(head.biHeight/2); ++i) + { + memcpy(buff, iSrc, info.dwEffWidth); + memcpy(iSrc, iDst, info.dwEffWidth); + memcpy(iDst, buff, info.dwEffWidth); + iSrc-=info.dwEffWidth; + iDst+=info.dwEffWidth; + } + + free(buff); + + if (bFlipSelection){ +#if CXIMAGE_SUPPORT_SELECTION + SelectionFlip(); +#endif //CXIMAGE_SUPPORT_SELECTION + } + + if (bFlipAlpha){ +#if CXIMAGE_SUPPORT_ALPHA + AlphaFlip(); +#endif //CXIMAGE_SUPPORT_ALPHA + } + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \sa Flip + */ +bool CxImage::Mirror(bool bMirrorSelection, bool bMirrorAlpha) +{ + if (!pDib) return false; + + CxImage* imatmp = new CxImage(*this,false,true,true); + if (!imatmp) return false; + if (!imatmp->IsValid()){ + delete imatmp; + return false; + } + + uint8_t *iSrc,*iDst; + int32_t wdt=(head.biWidth-1) * (head.biBitCount==24 ? 3:1); + iSrc=info.pImage + wdt; + iDst=imatmp->info.pImage; + int32_t x,y; + switch (head.biBitCount){ + case 24: + for(y=0; y < head.biHeight; y++){ + for(x=0; x <= wdt; x+=3){ + *(iDst+x)=*(iSrc-x); + *(iDst+x+1)=*(iSrc-x+1); + *(iDst+x+2)=*(iSrc-x+2); + } + iSrc+=info.dwEffWidth; + iDst+=info.dwEffWidth; + } + break; + case 8: + for(y=0; y < head.biHeight; y++){ + for(x=0; x <= wdt; x++) + *(iDst+x)=*(iSrc-x); + iSrc+=info.dwEffWidth; + iDst+=info.dwEffWidth; + } + break; + default: + for(y=0; y < head.biHeight; y++){ + for(x=0; x <= wdt; x++) + imatmp->SetPixelIndex(x,y,GetPixelIndex(wdt-x,y)); + } + } + + if (bMirrorSelection){ +#if CXIMAGE_SUPPORT_SELECTION + imatmp->SelectionMirror(); +#endif //CXIMAGE_SUPPORT_SELECTION + } + + if (bMirrorAlpha){ +#if CXIMAGE_SUPPORT_ALPHA + imatmp->AlphaMirror(); +#endif //CXIMAGE_SUPPORT_ALPHA + } + + Transfer(*imatmp); + delete imatmp; + return true; +} + +//////////////////////////////////////////////////////////////////////////////// +#define RBLOCK 64 + +//////////////////////////////////////////////////////////////////////////////// +bool CxImage::RotateLeft(CxImage* iDst) +{ + if (!pDib) return false; + + int32_t newWidth = GetHeight(); + int32_t newHeight = GetWidth(); + + CxImage imgDest; + imgDest.CopyInfo(*this); + imgDest.Create(newWidth,newHeight,GetBpp(),GetType()); + imgDest.SetPalette(GetPalette()); + +#if CXIMAGE_SUPPORT_ALPHA + if (AlphaIsValid()) imgDest.AlphaCreate(); +#endif + +#if CXIMAGE_SUPPORT_SELECTION + if (SelectionIsValid()) imgDest.SelectionCreate(); +#endif + + int32_t x,x2,y,dlineup; + + // Speedy rotate for BW images + if (head.biBitCount == 1) { + + uint8_t *sbits, *dbits, *dbitsmax, bitpos, *nrow,*srcdisp; + ldiv_t div_r; + + uint8_t *bsrc = GetBits(), *bdest = imgDest.GetBits(); + dbitsmax = bdest + imgDest.head.biSizeImage - 1; + dlineup = 8 * imgDest.info.dwEffWidth - imgDest.head.biWidth; + + imgDest.Clear(0); + for (y = 0; y < head.biHeight; y++) { + // Figure out the Column we are going to be copying to + div_r = ldiv(y + dlineup, (int32_t)8); + // set bit pos of src column byte + bitpos = (uint8_t)(1 << div_r.rem); + srcdisp = bsrc + y * info.dwEffWidth; + for (x = 0; x < (int32_t)info.dwEffWidth; x++) { + // Get Source Bits + sbits = srcdisp + x; + // Get destination column + nrow = bdest + (x * 8) * imgDest.info.dwEffWidth + imgDest.info.dwEffWidth - 1 - div_r.quot; + for (int32_t z = 0; z < 8; z++) { + // Get Destination Byte + dbits = nrow + z * imgDest.info.dwEffWidth; + if ((dbits < bdest) || (dbits > dbitsmax)) break; + if (*sbits & (128 >> z)) *dbits |= bitpos; + } + } + }//for y + +#if CXIMAGE_SUPPORT_ALPHA + if (AlphaIsValid()) { + for (x = 0; x < newWidth; x++){ + x2=newWidth-x-1; + for (y = 0; y < newHeight; y++){ + imgDest.AlphaSet(x,y,BlindAlphaGet(y, x2)); + }//for y + }//for x + } +#endif //CXIMAGE_SUPPORT_ALPHA + +#if CXIMAGE_SUPPORT_SELECTION + if (SelectionIsValid()) { + imgDest.info.rSelectionBox.left = newWidth-info.rSelectionBox.top; + imgDest.info.rSelectionBox.right = newWidth-info.rSelectionBox.bottom; + imgDest.info.rSelectionBox.bottom = info.rSelectionBox.left; + imgDest.info.rSelectionBox.top = info.rSelectionBox.right; + for (x = 0; x < newWidth; x++){ + x2=newWidth-x-1; + for (y = 0; y < newHeight; y++){ + imgDest.SelectionSet(x,y,BlindSelectionGet(y, x2)); + }//for y + }//for x + } +#endif //CXIMAGE_SUPPORT_SELECTION + + } else { + //anything other than BW: + //bd, 10. 2004: This optimized version of rotation rotates image by smaller blocks. It is quite + //a bit faster than obvious algorithm, because it produces much less CPU cache misses. + //This optimization can be tuned by changing block size (RBLOCK). 96 is good value for current + //CPUs (tested on Athlon XP and Celeron D). Larger value (if CPU has enough cache) will increase + //speed somehow, but once you drop out of CPU's cache, things will slow down drastically. + //For older CPUs with less cache, lower value would yield better results. + + uint8_t *srcPtr, *dstPtr; //source and destionation for 24-bit version + int32_t xs, ys; //x-segment and y-segment + for (xs = 0; xs < newWidth; xs+=RBLOCK) { //for all image blocks of RBLOCK*RBLOCK pixels + for (ys = 0; ys < newHeight; ys+=RBLOCK) { + if (head.biBitCount==24) { + //RGB24 optimized pixel access: + for (x = xs; x < min(newWidth, xs+RBLOCK); x++){ //do rotation + info.nProgress = (int32_t)(100*x/newWidth); + x2=newWidth-x-1; + dstPtr = (uint8_t*) imgDest.BlindGetPixelPointer(x,ys); + srcPtr = (uint8_t*) BlindGetPixelPointer(ys, x2); + for (y = ys; y < min(newHeight, ys+RBLOCK); y++){ + //imgDest.SetPixelColor(x, y, GetPixelColor(y, x2)); + *(dstPtr) = *(srcPtr); + *(dstPtr+1) = *(srcPtr+1); + *(dstPtr+2) = *(srcPtr+2); + srcPtr += 3; + dstPtr += imgDest.info.dwEffWidth; + }//for y + }//for x + } else { + //anything else than 24bpp (and 1bpp): palette + for (x = xs; x < min(newWidth, xs+RBLOCK); x++){ + info.nProgress = (int32_t)(100*x/newWidth); // + x2=newWidth-x-1; + for (y = ys; y < min(newHeight, ys+RBLOCK); y++){ + imgDest.SetPixelIndex(x, y, BlindGetPixelIndex(y, x2)); + }//for y + }//for x + }//if (version selection) +#if CXIMAGE_SUPPORT_ALPHA + if (AlphaIsValid()) { + for (x = xs; x < min(newWidth, xs+RBLOCK); x++){ + x2=newWidth-x-1; + for (y = ys; y < min(newHeight, ys+RBLOCK); y++){ + imgDest.AlphaSet(x,y,BlindAlphaGet(y, x2)); + }//for y + }//for x + }//if (alpha channel) +#endif //CXIMAGE_SUPPORT_ALPHA + +#if CXIMAGE_SUPPORT_SELECTION + if (SelectionIsValid()) { + imgDest.info.rSelectionBox.left = newWidth-info.rSelectionBox.top; + imgDest.info.rSelectionBox.right = newWidth-info.rSelectionBox.bottom; + imgDest.info.rSelectionBox.bottom = info.rSelectionBox.left; + imgDest.info.rSelectionBox.top = info.rSelectionBox.right; + for (x = xs; x < min(newWidth, xs+RBLOCK); x++){ + x2=newWidth-x-1; + for (y = ys; y < min(newHeight, ys+RBLOCK); y++){ + imgDest.SelectionSet(x,y,BlindSelectionGet(y, x2)); + }//for y + }//for x + }//if (selection) +#endif //CXIMAGE_SUPPORT_SELECTION + }//for ys + }//for xs + }//if + + //select the destination + if (iDst) iDst->Transfer(imgDest); + else Transfer(imgDest); + return true; +} + +//////////////////////////////////////////////////////////////////////////////// +bool CxImage::RotateRight(CxImage* iDst) +{ + if (!pDib) return false; + + int32_t newWidth = GetHeight(); + int32_t newHeight = GetWidth(); + + CxImage imgDest; + imgDest.CopyInfo(*this); + imgDest.Create(newWidth,newHeight,GetBpp(),GetType()); + imgDest.SetPalette(GetPalette()); + +#if CXIMAGE_SUPPORT_ALPHA + if (AlphaIsValid()) imgDest.AlphaCreate(); +#endif + +#if CXIMAGE_SUPPORT_SELECTION + if (SelectionIsValid()) imgDest.SelectionCreate(); +#endif + + int32_t x,y,y2; + // Speedy rotate for BW images + if (head.biBitCount == 1) { + + uint8_t *sbits, *dbits, *dbitsmax, bitpos, *nrow,*srcdisp; + ldiv_t div_r; + + uint8_t *bsrc = GetBits(), *bdest = imgDest.GetBits(); + dbitsmax = bdest + imgDest.head.biSizeImage - 1; + + imgDest.Clear(0); + for (y = 0; y < head.biHeight; y++) { + // Figure out the Column we are going to be copying to + div_r = ldiv(y, (int32_t)8); + // set bit pos of src column byte + bitpos = (uint8_t)(128 >> div_r.rem); + srcdisp = bsrc + y * info.dwEffWidth; + for (x = 0; x < (int32_t)info.dwEffWidth; x++) { + // Get Source Bits + sbits = srcdisp + x; + // Get destination column + nrow = bdest + (imgDest.head.biHeight-1-(x*8)) * imgDest.info.dwEffWidth + div_r.quot; + for (int32_t z = 0; z < 8; z++) { + // Get Destination Byte + dbits = nrow - z * imgDest.info.dwEffWidth; + if ((dbits < bdest) || (dbits > dbitsmax)) break; + if (*sbits & (128 >> z)) *dbits |= bitpos; + } + } + } + +#if CXIMAGE_SUPPORT_ALPHA + if (AlphaIsValid()){ + for (y = 0; y < newHeight; y++){ + y2=newHeight-y-1; + for (x = 0; x < newWidth; x++){ + imgDest.AlphaSet(x,y,BlindAlphaGet(y2, x)); + } + } + } +#endif //CXIMAGE_SUPPORT_ALPHA + +#if CXIMAGE_SUPPORT_SELECTION + if (SelectionIsValid()){ + imgDest.info.rSelectionBox.left = info.rSelectionBox.bottom; + imgDest.info.rSelectionBox.right = info.rSelectionBox.top; + imgDest.info.rSelectionBox.bottom = newHeight-info.rSelectionBox.right; + imgDest.info.rSelectionBox.top = newHeight-info.rSelectionBox.left; + for (y = 0; y < newHeight; y++){ + y2=newHeight-y-1; + for (x = 0; x < newWidth; x++){ + imgDest.SelectionSet(x,y,BlindSelectionGet(y2, x)); + } + } + } +#endif //CXIMAGE_SUPPORT_SELECTION + + } else { + //anything else but BW + uint8_t *srcPtr, *dstPtr; //source and destionation for 24-bit version + int32_t xs, ys; //x-segment and y-segment + for (xs = 0; xs < newWidth; xs+=RBLOCK) { + for (ys = 0; ys < newHeight; ys+=RBLOCK) { + if (head.biBitCount==24) { + //RGB24 optimized pixel access: + for (y = ys; y < min(newHeight, ys+RBLOCK); y++){ + info.nProgress = (int32_t)(100*y/newHeight); // + y2=newHeight-y-1; + dstPtr = (uint8_t*) imgDest.BlindGetPixelPointer(xs,y); + srcPtr = (uint8_t*) BlindGetPixelPointer(y2, xs); + for (x = xs; x < min(newWidth, xs+RBLOCK); x++){ + //imgDest.SetPixelColor(x, y, GetPixelColor(y2, x)); + *(dstPtr) = *(srcPtr); + *(dstPtr+1) = *(srcPtr+1); + *(dstPtr+2) = *(srcPtr+2); + dstPtr += 3; + srcPtr += info.dwEffWidth; + }//for x + }//for y + } else { + //anything else than BW & RGB24: palette + for (y = ys; y < min(newHeight, ys+RBLOCK); y++){ + info.nProgress = (int32_t)(100*y/newHeight); // + y2=newHeight-y-1; + for (x = xs; x < min(newWidth, xs+RBLOCK); x++){ + imgDest.SetPixelIndex(x, y, BlindGetPixelIndex(y2, x)); + }//for x + }//for y + }//if +#if CXIMAGE_SUPPORT_ALPHA + if (AlphaIsValid()){ + for (y = ys; y < min(newHeight, ys+RBLOCK); y++){ + y2=newHeight-y-1; + for (x = xs; x < min(newWidth, xs+RBLOCK); x++){ + imgDest.AlphaSet(x,y,BlindAlphaGet(y2, x)); + }//for x + }//for y + }//if (has alpha) +#endif //CXIMAGE_SUPPORT_ALPHA + +#if CXIMAGE_SUPPORT_SELECTION + if (SelectionIsValid()){ + imgDest.info.rSelectionBox.left = info.rSelectionBox.bottom; + imgDest.info.rSelectionBox.right = info.rSelectionBox.top; + imgDest.info.rSelectionBox.bottom = newHeight-info.rSelectionBox.right; + imgDest.info.rSelectionBox.top = newHeight-info.rSelectionBox.left; + for (y = ys; y < min(newHeight, ys+RBLOCK); y++){ + y2=newHeight-y-1; + for (x = xs; x < min(newWidth, xs+RBLOCK); x++){ + imgDest.SelectionSet(x,y,BlindSelectionGet(y2, x)); + }//for x + }//for y + }//if (has alpha) +#endif //CXIMAGE_SUPPORT_SELECTION + }//for ys + }//for xs + }//if + + //select the destination + if (iDst) iDst->Transfer(imgDest); + else Transfer(imgDest); + return true; +} + +//////////////////////////////////////////////////////////////////////////////// +bool CxImage::Negative() +{ + if (!pDib) return false; + + if (head.biBitCount<=8){ + if (IsGrayScale()){ //GRAYSCALE, selection + if (pSelection){ + for(int32_t y=info.rSelectionBox.bottom; y invert transparent color too + info.nBkgndColor.rgbBlue = (uint8_t)(255-info.nBkgndColor.rgbBlue); + info.nBkgndColor.rgbGreen = (uint8_t)(255-info.nBkgndColor.rgbGreen); + info.nBkgndColor.rgbRed = (uint8_t)(255-info.nBkgndColor.rgbRed); + } + return true; +} + +//////////////////////////////////////////////////////////////////////////////// +#endif //CXIMAGE_SUPPORT_BASICTRANSFORMATIONS +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_TRANSFORMATION +//////////////////////////////////////////////////////////////////////////////// + +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_EXIF +bool CxImage::RotateExif(int32_t orientation /* = 0 */) +{ + bool ret = true; + if (orientation <= 0) + orientation = info.ExifInfo.Orientation; + if (orientation == 3) + ret = Rotate180(); + else if (orientation == 6) + ret = RotateRight(); + else if (orientation == 8) + ret = RotateLeft(); + else if (orientation == 5) + ret = RotateLeft(); + + info.ExifInfo.Orientation = 1; + return ret; +} +#endif //CXIMAGE_SUPPORT_EXIF + +//////////////////////////////////////////////////////////////////////////////// +bool CxImage::Rotate(float angle, CxImage* iDst) +{ + if (!pDib) return false; + + if (fmod(angle,180.0f)==0.0f && fmod(angle,360.0f)!=0.0f) + return Rotate180(iDst); + + // Copyright (c) 1996-1998 Ulrich von Zadow + + // Negative the angle, because the y-axis is negative. + double ang = -angle*acos((float)0)/90; + int32_t newWidth, newHeight; + int32_t nWidth = GetWidth(); + int32_t nHeight= GetHeight(); + double cos_angle = cos(ang); + double sin_angle = sin(ang); + + // Calculate the size of the new bitmap + POINT p1={0,0}; + POINT p2={nWidth,0}; + POINT p3={0,nHeight}; + POINT p4={nWidth,nHeight}; + CxPoint2 newP1,newP2,newP3,newP4, leftTop, rightTop, leftBottom, rightBottom; + + newP1.x = (float)p1.x; + newP1.y = (float)p1.y; + newP2.x = (float)(p2.x*cos_angle - p2.y*sin_angle); + newP2.y = (float)(p2.x*sin_angle + p2.y*cos_angle); + newP3.x = (float)(p3.x*cos_angle - p3.y*sin_angle); + newP3.y = (float)(p3.x*sin_angle + p3.y*cos_angle); + newP4.x = (float)(p4.x*cos_angle - p4.y*sin_angle); + newP4.y = (float)(p4.x*sin_angle + p4.y*cos_angle); + + leftTop.x = min(min(newP1.x,newP2.x),min(newP3.x,newP4.x)); + leftTop.y = min(min(newP1.y,newP2.y),min(newP3.y,newP4.y)); + rightBottom.x = max(max(newP1.x,newP2.x),max(newP3.x,newP4.x)); + rightBottom.y = max(max(newP1.y,newP2.y),max(newP3.y,newP4.y)); + leftBottom.x = leftTop.x; + leftBottom.y = rightBottom.y; + rightTop.x = rightBottom.x; + rightTop.y = leftTop.y; + + newWidth = (int32_t) floor(0.5f + rightTop.x - leftTop.x); + newHeight= (int32_t) floor(0.5f + leftBottom.y - leftTop.y); + CxImage imgDest; + imgDest.CopyInfo(*this); + imgDest.Create(newWidth,newHeight,GetBpp(),GetType()); + imgDest.SetPalette(GetPalette()); + +#if CXIMAGE_SUPPORT_ALPHA + if(AlphaIsValid()) //MTA: Fix for rotation problem when the image has an alpha channel + { + imgDest.AlphaCreate(); + imgDest.AlphaClear(); + } +#endif //CXIMAGE_SUPPORT_ALPHA + + int32_t x,y,newX,newY,oldX,oldY; + + if (head.biClrUsed==0){ //RGB + for (y = (int32_t)leftTop.y, newY = 0; y<=(int32_t)leftBottom.y; y++,newY++){ + info.nProgress = (int32_t)(100*newY/newHeight); + if (info.nEscape) break; + for (x = (int32_t)leftTop.x, newX = 0; x<=(int32_t)rightTop.x; x++,newX++){ + oldX = (int32_t)(x*cos_angle + y*sin_angle + 0.5); + oldY = (int32_t)(y*cos_angle - x*sin_angle + 0.5); + imgDest.SetPixelColor(newX,newY,GetPixelColor(oldX,oldY)); +#if CXIMAGE_SUPPORT_ALPHA + imgDest.AlphaSet(newX,newY,AlphaGet(oldX,oldY)); //MTA: copy the alpha value +#endif //CXIMAGE_SUPPORT_ALPHA + } + } + } else { //PALETTE + for (y = (int32_t)leftTop.y, newY = 0; y<=(int32_t)leftBottom.y; y++,newY++){ + info.nProgress = (int32_t)(100*newY/newHeight); + if (info.nEscape) break; + for (x = (int32_t)leftTop.x, newX = 0; x<=(int32_t)rightTop.x; x++,newX++){ + oldX = (int32_t)(x*cos_angle + y*sin_angle + 0.5); + oldY = (int32_t)(y*cos_angle - x*sin_angle + 0.5); + imgDest.SetPixelIndex(newX,newY,GetPixelIndex(oldX,oldY)); +#if CXIMAGE_SUPPORT_ALPHA + imgDest.AlphaSet(newX,newY,AlphaGet(oldX,oldY)); //MTA: copy the alpha value +#endif //CXIMAGE_SUPPORT_ALPHA + } + } + } + //select the destination + if (iDst) iDst->Transfer(imgDest); + else Transfer(imgDest); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Rotates image around it's center. + * Method can use interpolation with paletted images, but does not change pallete, so results vary. + * (If you have only four colours in a palette, there's not much room for interpolation.) + * + * \param angle - angle in degrees (positive values rotate clockwise) + * \param *iDst - destination image (if null, this image is changed) + * \param inMethod - interpolation method used + * (IM_NEAREST_NEIGHBOUR produces aliasing (fast), IM_BILINEAR softens picture a bit (slower) + * IM_SHARPBICUBIC is slower and produces some halos...) + * \param ofMethod - overflow method (how to choose colour of pixels that have no source) + * \param replColor - replacement colour to use (OM_COLOR, OM_BACKGROUND with no background colour...) + * \param optimizeRightAngles - call faster methods for 90, 180, and 270 degree rotations. Faster methods + * are called for angles, where error (in location of corner pixels) is less + * than 0.25 pixels. + * \param bKeepOriginalSize - rotates the image without resizing. + * + * \author ***bd*** 2.2004 + */ +bool CxImage::Rotate2(float angle, + CxImage *iDst, + InterpolationMethod inMethod, + OverflowMethod ofMethod, + RGBQUAD *replColor, + bool const optimizeRightAngles, + bool const bKeepOriginalSize) +{ + if (!pDib) return false; //no dib no go + + if (fmod(angle,180.0f)==0.0f && fmod(angle,360.0f)!=0.0f) + return Rotate180(iDst); + + double ang = -angle*acos(0.0f)/90.0f; //convert angle to radians and invert (positive angle performs clockwise rotation) + float cos_angle = (float) cos(ang); //these two are needed later (to rotate) + float sin_angle = (float) sin(ang); + + //Calculate the size of the new bitmap (rotate corners of image) + CxPoint2 p[4]; //original corners of the image + p[0]=CxPoint2(-0.5f,-0.5f); + p[1]=CxPoint2(GetWidth()-0.5f,-0.5f); + p[2]=CxPoint2(-0.5f,GetHeight()-0.5f); + p[3]=CxPoint2(GetWidth()-0.5f,GetHeight()-0.5f); + CxPoint2 newp[4]; //rotated positions of corners + //(rotate corners) + if (bKeepOriginalSize){ + for (int32_t i=0; i<4; i++) { + newp[i].x = p[i].x; + newp[i].y = p[i].y; + }//for + } else { + for (int32_t i=0; i<4; i++) { + newp[i].x = (p[i].x*cos_angle - p[i].y*sin_angle); + newp[i].y = (p[i].x*sin_angle + p[i].y*cos_angle); + }//for i + + if (optimizeRightAngles) { + //For rotations of 90, -90 or 180 or 0 degrees, call faster routines + if (newp[3].Distance(CxPoint2(GetHeight()-0.5f, 0.5f-GetWidth())) < 0.25) + //rotation right for circa 90 degrees (diagonal pixels less than 0.25 pixel away from 90 degree rotation destination) + return RotateRight(iDst); + if (newp[3].Distance(CxPoint2(0.5f-GetHeight(), -0.5f+GetWidth())) < 0.25) + //rotation left for ~90 degrees + return RotateLeft(iDst); + if (newp[3].Distance(CxPoint2(0.5f-GetWidth(), 0.5f-GetHeight())) < 0.25) + //rotation left for ~180 degrees + return Rotate180(iDst); + if (newp[3].Distance(p[3]) < 0.25) { + //rotation not significant + if (iDst) iDst->Copy(*this); //copy image to iDst, if required + return true; //and we're done + }//if + }//if + }//if + + //(read new dimensions from location of corners) + float minx = (float) min(min(newp[0].x,newp[1].x),min(newp[2].x,newp[3].x)); + float miny = (float) min(min(newp[0].y,newp[1].y),min(newp[2].y,newp[3].y)); + float maxx = (float) max(max(newp[0].x,newp[1].x),max(newp[2].x,newp[3].x)); + float maxy = (float) max(max(newp[0].y,newp[1].y),max(newp[2].y,newp[3].y)); + int32_t newWidth = (int32_t) floor(maxx-minx+0.5f); + int32_t newHeight= (int32_t) floor(maxy-miny+0.5f); + float ssx=((maxx+minx)- ((float) newWidth-1))/2.0f; //start for x + float ssy=((maxy+miny)- ((float) newHeight-1))/2.0f; //start for y + + float newxcenteroffset = 0.5f * newWidth; + float newycenteroffset = 0.5f * newHeight; + if (bKeepOriginalSize){ + ssx -= 0.5f * GetWidth(); + ssy -= 0.5f * GetHeight(); + } + + //create destination image + CxImage imgDest; + imgDest.CopyInfo(*this); + imgDest.Create(newWidth,newHeight,GetBpp(),GetType()); + imgDest.SetPalette(GetPalette()); +#if CXIMAGE_SUPPORT_ALPHA + if(AlphaIsValid()) imgDest.AlphaCreate(); //MTA: Fix for rotation problem when the image has an alpha channel +#endif //CXIMAGE_SUPPORT_ALPHA + + RGBQUAD rgb; //pixel colour + RGBQUAD rc; + if (replColor!=0) + rc=*replColor; + else { + rc.rgbRed=255; rc.rgbGreen=255; rc.rgbBlue=255; rc.rgbReserved=0; + }//if + float x,y; //destination location (float, with proper offset) + float origx, origy; //origin location + int32_t destx, desty; //destination location + + y=ssy; //initialize y + if (!IsIndexed()){ //RGB24 + //optimized RGB24 implementation (direct write to destination): + uint8_t *pxptr; +#if CXIMAGE_SUPPORT_ALPHA + uint8_t *pxptra=0; +#endif //CXIMAGE_SUPPORT_ALPHA + for (desty=0; destyTransfer(imgDest); + else Transfer(imgDest); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +bool CxImage::Rotate180(CxImage* iDst) +{ + if (!pDib) return false; + + int32_t wid = GetWidth(); + int32_t ht = GetHeight(); + + CxImage imgDest; + imgDest.CopyInfo(*this); + imgDest.Create(wid,ht,GetBpp(),GetType()); + imgDest.SetPalette(GetPalette()); + +#if CXIMAGE_SUPPORT_ALPHA + if (AlphaIsValid()) imgDest.AlphaCreate(); +#endif //CXIMAGE_SUPPORT_ALPHA + + int32_t x,y,y2; + for (y = 0; y < ht; y++){ + info.nProgress = (int32_t)(100*y/ht); // + y2=ht-y-1; + for (x = 0; x < wid; x++){ + if(head.biClrUsed==0)//RGB + imgDest.SetPixelColor(wid-x-1, y2, BlindGetPixelColor(x, y)); + else //PALETTE + imgDest.SetPixelIndex(wid-x-1, y2, BlindGetPixelIndex(x, y)); + +#if CXIMAGE_SUPPORT_ALPHA + if (AlphaIsValid()) imgDest.AlphaSet(wid-x-1, y2,BlindAlphaGet(x, y)); +#endif //CXIMAGE_SUPPORT_ALPHA + + } + } + + //select the destination + if (iDst) iDst->Transfer(imgDest); + else Transfer(imgDest); + return true; +} + +//////////////////////////////////////////////////////////////////////////////// +/** + * Resizes the image. mode can be 0 for slow (bilinear) method , + * 1 for fast (nearest pixel) method, or 2 for accurate (bicubic spline interpolation) method. + * The function is faster with 24 and 1 bpp images, slow for 4 bpp images and slowest for 8 bpp images. + */ +bool CxImage::Resample(int32_t newx, int32_t newy, int32_t mode, CxImage* iDst) +{ + if (newx==0 || newy==0) return false; + + if (head.biWidth==newx && head.biHeight==newy){ + if (iDst) iDst->Copy(*this); + return true; + } + + float xScale, yScale, fX, fY; + xScale = (float)head.biWidth / (float)newx; + yScale = (float)head.biHeight / (float)newy; + + CxImage newImage; + newImage.CopyInfo(*this); + newImage.Create(newx,newy,head.biBitCount,GetType()); + newImage.SetPalette(GetPalette()); + if (!newImage.IsValid()){ + strcpy(info.szLastError,newImage.GetLastError()); + return false; + } + + switch (mode) { + case 1: // nearest pixel + { + for(int32_t y=0; y=head.biHeight) yy = head.biHeight-1; + for(int32_t n=-1; n<3; n++) { + r2 = r1 * KernelBSpline(b - (float)n); + xx = i_x+n; + if (xx<0) xx=0; + if (xx>=head.biWidth) xx=head.biWidth-1; + + if (head.biClrUsed){ + rgb = GetPixelColor(xx,yy); + } else { + iDst = info.pImage + yy*info.dwEffWidth + xx*3; + rgb.rgbBlue = *iDst++; + rgb.rgbGreen= *iDst++; + rgb.rgbRed = *iDst; + } + + rr += rgb.rgbRed * r2; + gg += rgb.rgbGreen * r2; + bb += rgb.rgbBlue * r2; + } + } + + if (head.biClrUsed) + newImage.SetPixelColor(x,y,RGB(rr,gg,bb)); + else { + iDst = newImage.info.pImage + y*newImage.info.dwEffWidth + x*3; + *iDst++ = (uint8_t)bb; + *iDst++ = (uint8_t)gg; + *iDst = (uint8_t)rr; + } + + } + } + break; + } + default: // bilinear interpolation + if (!(head.biWidth>newx && head.biHeight>newy && head.biBitCount==24)) { + // (c) 1999 Steve McMahon (steve@dogma.demon.co.uk) + int32_t ifX, ifY, ifX1, ifY1, xmax, ymax; + float ir1, ir2, ig1, ig2, ib1, ib2, dx, dy; + uint8_t r,g,b; + RGBQUAD rgb1, rgb2, rgb3, rgb4; + xmax = head.biWidth-1; + ymax = head.biHeight-1; + for(int32_t y=0; y + const int32_t ACCURACY = 1000; + int32_t i,j; // index for faValue + int32_t x,y; // coordinates in source image + uint8_t* pSource; + uint8_t* pDest = newImage.info.pImage; + int32_t* naAccu = new int32_t[3 * newx + 3]; + int32_t* naCarry = new int32_t[3 * newx + 3]; + int32_t* naTemp; + int32_t nWeightX,nWeightY; + float fEndX; + int32_t nScale = (int32_t)(ACCURACY * xScale * yScale); + + memset(naAccu, 0, sizeof(int32_t) * 3 * newx); + memset(naCarry, 0, sizeof(int32_t) * 3 * newx); + + int32_t u, v = 0; // coordinates in dest image + float fEndY = yScale - 1.0f; + for (y = 0; y < head.biHeight; y++){ + info.nProgress = (int32_t)(100*y/head.biHeight); // + if (info.nEscape) break; + pSource = info.pImage + y * info.dwEffWidth; + u = i = 0; + fEndX = xScale - 1.0f; + if ((float)y < fEndY) { // complete source row goes into dest row + for (x = 0; x < head.biWidth; x++){ + if ((float)x < fEndX){ // complete source pixel goes into dest pixel + for (j = 0; j < 3; j++) naAccu[i + j] += (*pSource++) * ACCURACY; + } else { // source pixel is splitted for 2 dest pixels + nWeightX = (int32_t)(((float)x - fEndX) * ACCURACY); + for (j = 0; j < 3; j++){ + naAccu[i] += (ACCURACY - nWeightX) * (*pSource); + naAccu[3 + i++] += nWeightX * (*pSource++); + } + fEndX += xScale; + u++; + } + } + } else { // source row is splitted for 2 dest rows + nWeightY = (int32_t)(((float)y - fEndY) * ACCURACY); + for (x = 0; x < head.biWidth; x++){ + if ((float)x < fEndX){ // complete source pixel goes into 2 pixel + for (j = 0; j < 3; j++){ + naAccu[i + j] += ((ACCURACY - nWeightY) * (*pSource)); + naCarry[i + j] += nWeightY * (*pSource++); + } + } else { // source pixel is splitted for 4 dest pixels + nWeightX = (int32_t)(((float)x - fEndX) * ACCURACY); + for (j = 0; j < 3; j++) { + naAccu[i] += ((ACCURACY - nWeightY) * (ACCURACY - nWeightX)) * (*pSource) / ACCURACY; + *pDest++ = (uint8_t)(naAccu[i] / nScale); + naCarry[i] += (nWeightY * (ACCURACY - nWeightX) * (*pSource)) / ACCURACY; + naAccu[i + 3] += ((ACCURACY - nWeightY) * nWeightX * (*pSource)) / ACCURACY; + naCarry[i + 3] = (nWeightY * nWeightX * (*pSource)) / ACCURACY; + i++; + pSource++; + } + fEndX += xScale; + u++; + } + } + if (u < newx){ // possibly not completed due to rounding errors + for (j = 0; j < 3; j++) *pDest++ = (uint8_t)(naAccu[i++] / nScale); + } + naTemp = naCarry; + naCarry = naAccu; + naAccu = naTemp; + memset(naCarry, 0, sizeof(int32_t) * 3); // need only to set first pixel zero + pDest = newImage.info.pImage + (++v * newImage.info.dwEffWidth); + fEndY += yScale; + } + } + if (v < newy){ // possibly not completed due to rounding errors + for (i = 0; i < 3 * newx; i++) *pDest++ = (uint8_t)(naAccu[i] / nScale); + } + delete [] naAccu; + delete [] naCarry; + } + } + +#if CXIMAGE_SUPPORT_ALPHA + if (AlphaIsValid()){ + if (1 == mode){ + newImage.AlphaCreate(); + for(int32_t y=0; yTransfer(newImage); + else Transfer(newImage); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * New simpler resample. Adds new interpolation methods and simplifies code (using GetPixelColorInterpolated + * and GetAreaColorInterpolated). It also (unlike old method) interpolates alpha layer. + * + * \param newx, newy - size of resampled image + * \param inMethod - interpolation method to use (see comments at GetPixelColorInterpolated) + * If image size is being reduced, averaging is used instead (or simultaneously with) inMethod. + * \param ofMethod - what to replace outside pixels by (only significant for bordering pixels of enlarged image) + * \param iDst - pointer to destination CxImage or NULL. + * \param disableAveraging - force no averaging when shrinking images (Produces aliasing. + * You probably just want to leave this off...) + * + * \author ***bd*** 2.2004 + */ +bool CxImage::Resample2( + int32_t newx, int32_t newy, + InterpolationMethod const inMethod, + OverflowMethod const ofMethod, + CxImage* const iDst, + bool const disableAveraging) +{ + if (newx<=0 || newy<=0 || !pDib) return false; + + if (head.biWidth==newx && head.biHeight==newy) { + //image already correct size (just copy and return) + if (iDst) iDst->Copy(*this); + return true; + }//if + + //calculate scale of new image (less than 1 for enlarge) + float xScale, yScale; + xScale = (float)head.biWidth / (float)newx; + yScale = (float)head.biHeight / (float)newy; + + //create temporary destination image + CxImage newImage; + newImage.CopyInfo(*this); + newImage.Create(newx,newy,head.biBitCount,GetType()); + newImage.SetPalette(GetPalette()); + if (!newImage.IsValid()){ + strcpy(info.szLastError,newImage.GetLastError()); + return false; + } + + //and alpha channel if required +#if CXIMAGE_SUPPORT_ALPHA + if (AlphaIsValid()) newImage.AlphaCreate(); + uint8_t *pxptra = 0; // destination alpha data +#endif + + float sX, sY; //source location + int32_t dX,dY; //destination pixel (int32_t value) + if ((xScale<=1 && yScale<=1) || disableAveraging) { + //image is being enlarged (or interpolation on demand) + if (!IsIndexed()) { + //RGB24 image (optimized version with direct writes) + RGBQUAD q; //pixel colour + uint8_t *pxptr; //pointer to destination pixel + for(dY=0; dYTransfer(newImage); + else + Transfer(newImage); + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Reduces the number of bits per pixel to nbit (1, 4 or 8). + * ppal points to a valid palette for the final image; if not supplied the function will use a standard palette. + * ppal is not necessary for reduction to 1 bpp. + */ +bool CxImage::DecreaseBpp(uint32_t nbit, bool errordiffusion, RGBQUAD* ppal, uint32_t clrimportant) +{ + if (!pDib) return false; + if (head.biBitCount < nbit){ + strcpy(info.szLastError,"DecreaseBpp: target BPP greater than source BPP"); + return false; + } + if (head.biBitCount == nbit){ + if (clrimportant==0) return true; + if (head.biClrImportant && (head.biClrImportant 128) { + tmp.SetPixelIndex(x, y, 1); + error = level - 255; + } else { + tmp.SetPixelIndex(x, y, 0); + error = level; + } + + nlevel = GetPixelIndex(x + 1, y) + (error * 8) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(x + 1, y, level); + nlevel = GetPixelIndex(x + 2, y) + (error * 4) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(x + 2, y, level); + int32_t i; + for (i = -2; i < 3; i++) { + switch (i) { + case -2: + coeff = 2; + break; + case -1: + coeff = 4; + break; + case 0: + coeff = 8; + break; + case 1: + coeff = 4; + break; + case 2: + coeff = 2; + break; + } + nlevel = GetPixelIndex(x + i, y + 1) + (error * coeff) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(x + i, y + 1, level); + } + } + } + break; + } + case 3: + { + //Stucki error diffusion (Thanks to Franco Gerevini) + int32_t TotalCoeffSum = 42; + int32_t error, nlevel, coeff=1; + uint8_t level; + + for (int32_t y = 0; y < head.biHeight; y++) { + info.nProgress = (int32_t)(100 * y / head.biHeight); + if (info.nEscape) + break; + for (int32_t x = 0; x < head.biWidth; x++) { + level = BlindGetPixelIndex(x, y); + if (level > 128) { + tmp.SetPixelIndex(x, y, 1); + error = level - 255; + } else { + tmp.SetPixelIndex(x, y, 0); + error = level; + } + + nlevel = GetPixelIndex(x + 1, y) + (error * 8) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(x + 1, y, level); + nlevel = GetPixelIndex(x + 2, y) + (error * 4) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(x + 2, y, level); + int32_t i; + for (i = -2; i < 3; i++) { + switch (i) { + case -2: + coeff = 2; + break; + case -1: + coeff = 4; + break; + case 0: + coeff = 8; + break; + case 1: + coeff = 4; + break; + case 2: + coeff = 2; + break; + } + nlevel = GetPixelIndex(x + i, y + 1) + (error * coeff) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(x + i, y + 1, level); + } + for (i = -2; i < 3; i++) { + switch (i) { + case -2: + coeff = 1; + break; + case -1: + coeff = 2; + break; + case 0: + coeff = 4; + break; + case 1: + coeff = 2; + break; + case 2: + coeff = 1; + break; + } + nlevel = GetPixelIndex(x + i, y + 2) + (error * coeff) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(x + i, y + 2, level); + } + } + } + break; + } + case 4: + { + //Jarvis, Judice and Ninke error diffusion (Thanks to Franco Gerevini) + int32_t TotalCoeffSum = 48; + int32_t error, nlevel, coeff=1; + uint8_t level; + + for (int32_t y = 0; y < head.biHeight; y++) { + info.nProgress = (int32_t)(100 * y / head.biHeight); + if (info.nEscape) + break; + for (int32_t x = 0; x < head.biWidth; x++) { + level = BlindGetPixelIndex(x, y); + if (level > 128) { + tmp.SetPixelIndex(x, y, 1); + error = level - 255; + } else { + tmp.SetPixelIndex(x, y, 0); + error = level; + } + + nlevel = GetPixelIndex(x + 1, y) + (error * 7) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(x + 1, y, level); + nlevel = GetPixelIndex(x + 2, y) + (error * 5) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(x + 2, y, level); + int32_t i; + for (i = -2; i < 3; i++) { + switch (i) { + case -2: + coeff = 3; + break; + case -1: + coeff = 5; + break; + case 0: + coeff = 7; + break; + case 1: + coeff = 5; + break; + case 2: + coeff = 3; + break; + } + nlevel = GetPixelIndex(x + i, y + 1) + (error * coeff) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(x + i, y + 1, level); + } + for (i = -2; i < 3; i++) { + switch (i) { + case -2: + coeff = 1; + break; + case -1: + coeff = 3; + break; + case 0: + coeff = 5; + break; + case 1: + coeff = 3; + break; + case 2: + coeff = 1; + break; + } + nlevel = GetPixelIndex(x + i, y + 2) + (error * coeff) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(x + i, y + 2, level); + } + } + } + break; + } + case 5: + { + //Sierra error diffusion (Thanks to Franco Gerevini) + int32_t TotalCoeffSum = 32; + int32_t error, nlevel, coeff=1; + uint8_t level; + + for (int32_t y = 0; y < head.biHeight; y++) { + info.nProgress = (int32_t)(100 * y / head.biHeight); + if (info.nEscape) + break; + for (int32_t x = 0; x < head.biWidth; x++) { + level = BlindGetPixelIndex(x, y); + if (level > 128) { + tmp.SetPixelIndex(x, y, 1); + error = level - 255; + } else { + tmp.SetPixelIndex(x, y, 0); + error = level; + } + + nlevel = GetPixelIndex(x + 1, y) + (error * 5) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(x + 1, y, level); + nlevel = GetPixelIndex(x + 2, y) + (error * 3) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(x + 2, y, level); + int32_t i; + for (i = -2; i < 3; i++) { + switch (i) { + case -2: + coeff = 2; + break; + case -1: + coeff = 4; + break; + case 0: + coeff = 5; + break; + case 1: + coeff = 4; + break; + case 2: + coeff = 2; + break; + } + nlevel = GetPixelIndex(x + i, y + 1) + (error * coeff) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(x + i, y + 1, level); + } + for (i = -1; i < 2; i++) { + switch (i) { + case -1: + coeff = 2; + break; + case 0: + coeff = 3; + break; + case 1: + coeff = 2; + break; + } + nlevel = GetPixelIndex(x + i, y + 2) + (error * coeff) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(x + i, y + 2, level); + } + } + } + break; + } + case 6: + { + //Stevenson and Arce error diffusion (Thanks to Franco Gerevini) + int32_t TotalCoeffSum = 200; + int32_t error, nlevel; + uint8_t level; + + for (int32_t y = 0; y < head.biHeight; y++) { + info.nProgress = (int32_t)(100 * y / head.biHeight); + if (info.nEscape) + break; + for (int32_t x = 0; x < head.biWidth; x++) { + level = BlindGetPixelIndex(x, y); + if (level > 128) { + tmp.SetPixelIndex(x, y, 1); + error = level - 255; + } else { + tmp.SetPixelIndex(x, y, 0); + error = level; + } + + int32_t tmp_index_x = x + 2; + int32_t tmp_index_y = y; + int32_t tmp_coeff = 32; + nlevel = GetPixelIndex(tmp_index_x, tmp_index_y) + (error * tmp_coeff) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(tmp_index_x, tmp_index_y, level); + + tmp_index_x = x - 3; + tmp_index_y = y + 1; + tmp_coeff = 12; + nlevel = GetPixelIndex(tmp_index_x, tmp_index_y) + (error * tmp_coeff) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(tmp_index_x, tmp_index_y, level); + + tmp_index_x = x - 1; + tmp_coeff = 26; + nlevel = GetPixelIndex(tmp_index_x, tmp_index_y) + (error * tmp_coeff) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(tmp_index_x, tmp_index_y, level); + + tmp_index_x = x + 1; + tmp_coeff = 30; + nlevel = GetPixelIndex(tmp_index_x, tmp_index_y) + (error * tmp_coeff) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(tmp_index_x, tmp_index_y, level); + + tmp_index_x = x + 3; + tmp_coeff = 16; + nlevel = GetPixelIndex(tmp_index_x, tmp_index_y) + (error * tmp_coeff) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(tmp_index_x, tmp_index_y, level); + + tmp_index_x = x - 2; + tmp_index_y = y + 2; + tmp_coeff = 12; + nlevel = GetPixelIndex(tmp_index_x, tmp_index_y) + (error * tmp_coeff) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(tmp_index_x, tmp_index_y, level); + + tmp_index_x = x; + tmp_coeff = 26; + nlevel = GetPixelIndex(tmp_index_x, tmp_index_y) + (error * tmp_coeff) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(tmp_index_x, tmp_index_y, level); + + tmp_index_x = x + 2; + tmp_coeff = 12; + nlevel = GetPixelIndex(tmp_index_x, tmp_index_y) + (error * tmp_coeff) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(tmp_index_x, tmp_index_y, level); + + tmp_index_x = x - 3; + tmp_index_y = y + 3; + tmp_coeff = 5; + nlevel = GetPixelIndex(tmp_index_x, tmp_index_y) + (error * tmp_coeff) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(tmp_index_x, tmp_index_y, level); + + tmp_index_x = x - 1; + tmp_coeff = 12; + nlevel = GetPixelIndex(tmp_index_x, tmp_index_y) + (error * tmp_coeff) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(tmp_index_x, tmp_index_y, level); + + tmp_index_x = x + 1; + tmp_coeff = 12; + nlevel = GetPixelIndex(tmp_index_x, tmp_index_y) + (error * tmp_coeff) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(tmp_index_x, tmp_index_y, level); + + tmp_index_x = x + 3; + tmp_coeff = 5; + nlevel = GetPixelIndex(tmp_index_x, tmp_index_y) + (error * tmp_coeff) / TotalCoeffSum; + level = (uint8_t)min(255, max(0, (int32_t)nlevel)); + SetPixelIndex(tmp_index_x, tmp_index_y, level); + } + } + break; + } + case 7: + { + // Bayer ordered dither + int32_t order = 4; + //create Bayer matrix + if (order>4) order = 4; + int32_t size = (1 << (2*order)); + uint8_t* Bmatrix = (uint8_t*) malloc(size * sizeof(uint8_t)); + for(int32_t i = 0; i < size; i++) { + int32_t n = order; + int32_t x = i / n; + int32_t y = i % n; + int32_t dither = 0; + while (n-- > 0){ + dither = (((dither<<1)|((x&1) ^ (y&1)))<<1) | (y&1); + x >>= 1; + y >>= 1; + } + Bmatrix[i] = (uint8_t)(dither); + } + + int32_t scale = max(0,(8-2*order)); + int32_t level; + for (int32_t y=0;y> scale; + if(level > Bmatrix[ (x % order) + order * (y % order) ]){ + tmp.SetPixelIndex(x,y,1); + } else { + tmp.SetPixelIndex(x,y,0); + } + } + } + + free(Bmatrix); + + break; + } + case 8: + { + // 8x8 Bayer ordered dither + int32_t const pattern8x8[8][8] = { + { 0, 32, 8, 40, 2, 34, 10, 42}, /* 8x8 Bayer ordered dithering */ + {48, 16, 56, 24, 50, 18, 58, 26}, /* pattern. Each input pixel */ + {12, 44, 4, 36, 14, 46, 6, 38}, /* is scaled to the 0..63 range */ + {60, 28, 52, 20, 62, 30, 54, 22}, /* before looking in this table */ + { 3, 35, 11, 43, 1, 33, 9, 41}, /* to determine the action. */ + {51, 19, 59, 27, 49, 17, 57, 25}, + {15, 47, 7, 39, 13, 45, 5, 37}, + {63, 31, 55, 23, 61, 29, 53, 21} }; + + for (int32_t y=0;y> 2; + if(level && level >= pattern8x8[x & 7][y & 7]){ + tmp.SetPixelIndex(x,y,1); + } else { + tmp.SetPixelIndex(x,y,0); + } + } + } + break; + } + case 9: + { + // 16x16 Bayer ordered dither + int32_t const pattern16x16[16][16] = { + { 1,235, 59,219, 15,231, 55,215, 2,232, 56,216, 12,228, 52,212}, + { 129, 65,187,123,143, 79,183,119,130, 66,184,120,140, 76,180,116}, + { 33,193, 17,251, 47,207, 31,247, 34,194, 18,248, 44,204, 28,244}, + { 161, 97,145, 81,175,111,159, 95,162, 98,146, 82,172,108,156, 92}, + { 9,225, 49,209, 5,239, 63,223, 10,226, 50,210, 6,236, 60,220}, + { 137, 73,177,113,133, 69,191,127,138, 74,178,114,134, 70,188,124}, + { 41,201, 25,241, 37,197, 21,255, 42,202, 26,242, 38,198, 22,252}, + { 169,105,153, 89,165,101,149, 85,170,106,154, 90,166,102,150, 86}, + { 3,233, 57,217, 13,229, 53,213, 0,234, 58,218, 14,230, 54,214}, + { 131, 67,185,121,141, 77,181,117,128, 64,186,122,142, 78,182,118}, + { 35,195, 19,249, 45,205, 29,245, 32,192, 16,250, 46,206, 30,246}, + { 163, 99,147, 83,173,109,157, 93,160, 96,144, 80,174,110,158, 94}, + { 11,227, 51,211, 7,237, 61,221, 8,224, 48,208, 4,238, 62,222}, + { 139, 75,179,115,135, 71,189,125,136, 72,176,112,132, 68,190,126}, + { 43,203, 27,243, 39,199, 23,253, 40,200, 24,240, 36,196, 20,254}, + { 171,107,155, 91,167,103,151, 87,168,104,152, 88,164,100,148, 84} + }; + + for (int32_t y=0;y pattern16x16[x & 15][y & 15]){ + tmp.SetPixelIndex(x,y,1); + } else { + tmp.SetPixelIndex(x,y,0); + } + } + } + break; + } + default: + { + // Floyd-Steinberg error diffusion (Thanks to Steve McMahon) + int32_t error,nlevel,coeff=1; + uint8_t level; + + for (int32_t y=0;y 128){ + tmp.SetPixelIndex(x,y,1); + error = level-255; + } else { + tmp.SetPixelIndex(x,y,0); + error = level; + } + + nlevel = GetPixelIndex(x+1,y) + (error * 7)/16; + level = (uint8_t)min(255,max(0,(int32_t)nlevel)); + SetPixelIndex(x+1,y,level); + for(int32_t i=-1; i<2; i++){ + switch(i){ + case -1: + coeff=3; break; + case 0: + coeff=5; break; + case 1: + coeff=1; break; + } + nlevel = GetPixelIndex(x+i,y+1) + (error * coeff)/16; + level = (uint8_t)min(255,max(0,(int32_t)nlevel)); + SetPixelIndex(x+i,y+1,level); + } + } + } + } + } + + tmp.SetPaletteColor(0,0,0,0); + tmp.SetPaletteColor(1,255,255,255); + Transfer(tmp); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * CropRotatedRectangle + * \param topx,topy : topmost and leftmost point of the rectangle + (topmost, and if there are 2 topmost points, the left one) + * \param width : size of the right hand side of rect, from (topx,topy) roundwalking clockwise + * \param height : size of the left hand side of rect, from (topx,topy) roundwalking clockwise + * \param angle : angle of the right hand side of rect, from (topx,topy) + * \param iDst : pointer to destination image (if 0, this image is modified) + * \author [VATI] + */ +bool CxImage::CropRotatedRectangle( int32_t topx, int32_t topy, int32_t width, int32_t height, float angle, CxImage* iDst) +{ + if (!pDib) return false; + + + int32_t startx,starty,endx,endy; + double cos_angle = cos(angle/*/57.295779513082320877*/); + double sin_angle = sin(angle/*/57.295779513082320877*/); + + // if there is nothing special, call the original Crop(): + if ( fabs(angle)<0.0002 ) + return Crop( topx, topy, topx+width, topy+height, iDst); + + startx = min(topx, topx - (int32_t)(sin_angle*(double)height)); + endx = topx + (int32_t)(cos_angle*(double)width); + endy = topy + (int32_t)(cos_angle*(double)height + sin_angle*(double)width); + // check: corners of the rectangle must be inside + if ( IsInside( startx, topy )==false || + IsInside( endx, endy ) == false ) + return false; + + // first crop to bounding rectangle + CxImage tmp(*this, true, false, true); + // tmp.Copy(*this, true, false, true); + if (!tmp.IsValid()){ + strcpy(info.szLastError,tmp.GetLastError()); + return false; + } + if (!tmp.Crop( startx, topy, endx, endy)){ + strcpy(info.szLastError,tmp.GetLastError()); + return false; + } + + // the midpoint of the image now became the same as the midpoint of the rectangle + // rotate new image with minus angle amount + if ( false == tmp.Rotate( (float)(-angle*57.295779513082320877) ) ) // Rotate expects angle in degrees + return false; + + // crop rotated image to the original selection rectangle + endx = (tmp.head.biWidth+width)/2; + startx = (tmp.head.biWidth-width)/2; + starty = (tmp.head.biHeight+height)/2; + endy = (tmp.head.biHeight-height)/2; + if ( false == tmp.Crop( startx, starty, endx, endy ) ) + return false; + + if (iDst) iDst->Transfer(tmp); + else Transfer(tmp); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +bool CxImage::Crop(const RECT& rect, CxImage* iDst) +{ + return Crop(rect.left, rect.top, rect.right, rect.bottom, iDst); +} +//////////////////////////////////////////////////////////////////////////////// +bool CxImage::Crop(int32_t left, int32_t top, int32_t right, int32_t bottom, CxImage* iDst) +{ + if (!pDib) return false; + + int32_t startx = max(0L,min(left,head.biWidth)); + int32_t endx = max(0L,min(right,head.biWidth)); + int32_t starty = head.biHeight - max(0L,min(top,head.biHeight)); + int32_t endy = head.biHeight - max(0L,min(bottom,head.biHeight)); + + if (startx==endx || starty==endy) return false; + + if (startx>endx) {int32_t tmp=startx; startx=endx; endx=tmp;} + if (starty>endy) {int32_t tmp=starty; starty=endy; endy=tmp;} + + CxImage tmp; + tmp.CopyInfo(*this); + tmp.Create(endx-startx,endy-starty,head.biBitCount,info.dwType); + if (!tmp.IsValid()){ + strcpy(info.szLastError,tmp.GetLastError()); + return false; + } + + tmp.SetPalette(GetPalette(),head.biClrUsed); + tmp.info.nBkgndIndex = info.nBkgndIndex; + tmp.info.nBkgndColor = info.nBkgndColor; + + switch (head.biBitCount) { + case 1: + case 4: + { + for(int32_t y=starty, yd=0; y + for(int32_t x=startx, xd=0; x> 3; + uint8_t* pDest = tmp.info.pImage; + uint8_t* pSrc = info.pImage + starty * info.dwEffWidth + (startx*head.biBitCount >> 3); + for(int32_t y=starty; y + memcpy(pDest,pSrc,linelen); + pDest+=tmp.info.dwEffWidth; + pSrc+=info.dwEffWidth; + } + } + } + +#if CXIMAGE_SUPPORT_ALPHA + if (AlphaIsValid()){ // + tmp.AlphaCreate(); + if (!tmp.AlphaIsValid()) return false; + uint8_t* pDest = tmp.pAlpha; + uint8_t* pSrc = pAlpha + startx + starty*head.biWidth; + for (int32_t y=starty; yTransfer(tmp); + else Transfer(tmp); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * \param xgain, ygain : can be from 0 to 1. + * \param xpivot, ypivot : is the center of the transformation. + * \param bEnableInterpolation : if true, enables bilinear interpolation. + * \return true if everything is ok + */ +bool CxImage::Skew(float xgain, float ygain, int32_t xpivot, int32_t ypivot, bool bEnableInterpolation) +{ + if (!pDib) return false; + float nx,ny; + + CxImage tmp(*this); + if (!tmp.IsValid()){ + strcpy(info.szLastError,tmp.GetLastError()); + return false; + } + + int32_t xmin,xmax,ymin,ymax; + if (pSelection){ + xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right; + ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top; + } else { + xmin = ymin = 0; + xmax = head.biWidth; ymax=head.biHeight; + } + for(int32_t y=ymin; y top) || (x < left) || (x > right)) { + tmp.SetPixelIndex(x,y, pixel); + } else { + tmp.SetPixelIndex(x,y,GetPixelIndex(x-left,y-bottom)); + } + } + } + break; + } + case 8: + case 24: + { + if (head.biBitCount == 8) { + uint8_t pixel = tmp.GetNearestIndex( canvascolor); + memset(tmp.info.pImage, pixel, + (tmp.info.dwEffWidth * newHeight)); + } else { + for (int32_t y = 0; y < newHeight; ++y) { + uint8_t *pDest = tmp.info.pImage + (y * tmp.info.dwEffWidth); + for (int32_t x = 0; x < newWidth; ++x) { + *pDest++ = canvascolor.rgbBlue; + *pDest++ = canvascolor.rgbGreen; + *pDest++ = canvascolor.rgbRed; + } + } + } + + uint8_t* pDest = tmp.info.pImage + (tmp.info.dwEffWidth * bottom) + (left*(head.biBitCount >> 3)); + uint8_t* pSrc = info.pImage; + for(int32_t y=bottom; y <= top; y++){ + info.nProgress = (int32_t)(100*y/(1 + top - bottom)); + memcpy(pDest,pSrc,(head.biBitCount >> 3) * (right - left + 1)); + pDest+=tmp.info.dwEffWidth; + pSrc+=info.dwEffWidth; + } + } + } + +#if CXIMAGE_SUPPORT_SELECTION + if (SelectionIsValid()){ + if (!tmp.SelectionCreate()) + return false; + uint8_t* pSrc = SelectionGetPointer(); + uint8_t* pDst = tmp.SelectionGetPointer(left,bottom); + for(int32_t y=bottom; y <= top; y++){ + memcpy(pDst,pSrc, (right - left + 1)); + pSrc+=head.biWidth; + pDst+=tmp.head.biWidth; + } + tmp.info.rSelectionBox.left = info.rSelectionBox.left + left; + tmp.info.rSelectionBox.right = info.rSelectionBox.right + left; + tmp.info.rSelectionBox.top = info.rSelectionBox.top + bottom; + tmp.info.rSelectionBox.bottom = info.rSelectionBox.bottom + bottom; + } +#endif //CXIMAGE_SUPPORT_SELECTION + +#if CXIMAGE_SUPPORT_ALPHA + if (AlphaIsValid()){ + if (!tmp.AlphaCreate()) + return false; + tmp.AlphaSet(canvascolor.rgbReserved); + uint8_t* pSrc = AlphaGetPointer(); + uint8_t* pDst = tmp.AlphaGetPointer(left,bottom); + for(int32_t y=bottom; y <= top; y++){ + memcpy(pDst,pSrc, (right - left + 1)); + pSrc+=head.biWidth; + pDst+=tmp.head.biWidth; + } + } +#endif //CXIMAGE_SUPPORT_ALPHA + + //select the destination + if (iDst) iDst->Transfer(tmp); + else Transfer(tmp); + + return true; +} +//////////////////////////////////////////////////////////////////////////////// +bool CxImage::Expand(int32_t newx, int32_t newy, RGBQUAD canvascolor, CxImage* iDst) +{ + //thanks to + + if (!pDib) return false; + + if ((newx < head.biWidth) || (newy < head.biHeight)) return false; + + int32_t nAddLeft = (newx - head.biWidth) / 2; + int32_t nAddTop = (newy - head.biHeight) / 2; + + return Expand(nAddLeft, nAddTop, newx - (head.biWidth + nAddLeft), newy - (head.biHeight + nAddTop), canvascolor, iDst); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Resamples the image with the correct aspect ratio, and fills the borders. + * \param newx, newy = thumbnail size. + * \param canvascolor = border color. + * \param iDst = pointer to destination image (if it's 0, this image is modified). + * \return true if everything is ok. + * \author [Colin Urquhart] + */ +bool CxImage::Thumbnail(int32_t newx, int32_t newy, RGBQUAD canvascolor, CxImage* iDst) +{ + if (!pDib) return false; + + if ((newx <= 0) || (newy <= 0)) return false; + + CxImage tmp(*this); + if (!tmp.IsValid()){ + strcpy(info.szLastError,tmp.GetLastError()); + return false; + } + + // determine whether we need to shrink the image + if ((head.biWidth > newx) || (head.biHeight > newy)) { + float fScale; + float fAspect = (float) newx / (float) newy; + if (fAspect * head.biHeight > head.biWidth) { + fScale = (float) newy / head.biHeight; + } else { + fScale = (float) newx / head.biWidth; + } + tmp.Resample((int32_t) (fScale * head.biWidth), (int32_t) (fScale * head.biHeight), 0); + } + + // expand the frame + tmp.Expand(newx, newy, canvascolor); + + //select the destination + if (iDst) iDst->Transfer(tmp); + else Transfer(tmp); + return true; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Perform circle_based transformations. + * \param type - for different transformations + * - 0 for normal (proturberant) FishEye + * - 1 for reverse (concave) FishEye + * - 2 for Swirle + * - 3 for Cilinder mirror + * - 4 for bathroom + * + * \param rmax - effect radius. If 0, the whole image is processed + * \param Koeff - only for swirle + * \author Arkadiy Olovyannikov ark(at)msun(dot)ru + */ +bool CxImage::CircleTransform(int32_t type,int32_t rmax,float Koeff) +{ + if (!pDib) return false; + + int32_t nx,ny; + double angle,radius,rnew; + + CxImage tmp(*this); + if (!tmp.IsValid()){ + strcpy(info.szLastError,tmp.GetLastError()); + return false; + } + + int32_t xmin,xmax,ymin,ymax,xmid,ymid; + if (pSelection){ + xmin = info.rSelectionBox.left; xmax = info.rSelectionBox.right; + ymin = info.rSelectionBox.bottom; ymax = info.rSelectionBox.top; + } else { + xmin = ymin = 0; + xmax = head.biWidth; ymax=head.biHeight; + } + + xmid = (int32_t) (tmp.GetWidth()/2); + ymid = (int32_t) (tmp.GetHeight()/2); + + if (!rmax) rmax=(int32_t)sqrt((float)((xmid-xmin)*(xmid-xmin)+(ymid-ymin)*(ymid-ymin))); + if (Koeff==0.0f) Koeff=1.0f; + + for(int32_t y=ymin; yhead.biWidth || newy>head.biHeight) { + //let me repeat... this method can't enlarge image + strcpy(info.szLastError,"QIShrink can't enlarge image"); + return false; + } + + if (newx==head.biWidth && newy==head.biHeight) { + //image already correct size (just copy and return) + if (iDst) iDst->Copy(*this); + return true; + }//if + + //create temporary destination image + CxImage newImage; + newImage.CopyInfo(*this); + newImage.Create(newx,newy,(bChangeBpp)?24:head.biBitCount,GetType()); + newImage.SetPalette(GetPalette()); + if (!newImage.IsValid()){ + strcpy(info.szLastError,newImage.GetLastError()); + return false; + } + + //and alpha channel if required +#if CXIMAGE_SUPPORT_ALPHA + if (AlphaIsValid()) newImage.AlphaCreate(); +#endif + + const int32_t oldx = head.biWidth; + const int32_t oldy = head.biHeight; + + int32_t accuCellSize = 4; +#if CXIMAGE_SUPPORT_ALPHA + uint8_t *alphaPtr; + if (AlphaIsValid()) accuCellSize=5; +#endif + + uint32_t *accu = new uint32_t[newx*accuCellSize]; //array for suming pixels... one pixel for every destination column + uint32_t *accuPtr; //pointer for walking through accu + //each cell consists of blue, red, green component and count of pixels summed in this cell + memset(accu, 0, newx * accuCellSize * sizeof(uint32_t)); //clear accu + + if (!IsIndexed()) { + //RGB24 version with pointers + uint8_t *destPtr, *srcPtr, *destPtrS, *srcPtrS; //destination and source pixel, and beginnings of current row + srcPtrS=(uint8_t*)BlindGetPixelPointer(0,0); + destPtrS=(uint8_t*)newImage.BlindGetPixelPointer(0,0); + int32_t ex=0, ey=0; //ex and ey replace division... + int32_t dy=0; + //(we just add pixels, until by adding newx or newy we get a number greater than old size... then + // it's time to move to next pixel) + + for(int32_t y=0; yoldx) { //when we reach oldx, it's time to move to new slot + accuPtr += accuCellSize; + ex -= oldx; //(substract oldx from ex and resume from there on) + }//if (ex overflow) + }//for x + + if (ey>=oldy) { //now when this happens + ey -= oldy; //it's time to move to new destination row + destPtr = destPtrS; //reset pointers to proper initial values + accuPtr = accu; +#if CXIMAGE_SUPPORT_ALPHA + alphaPtr = newImage.AlphaGetPointer(0, dy++); +#endif + for (int32_t k=0; koldx) { //when we reach oldx, it's time to move to new slot + accuPtr += accuCellSize; + ex -= oldx; //(substract oldx from ex and resume from there on) + }//if (ex overflow) + }//for x + + if (ey>=oldy) { //now when this happens + ey -= oldy; //it's time to move to new destination row + accuPtr = accu; + for (int32_t dx=0; dxTransfer(newImage); + else + Transfer(newImage); + return true; + +} + +//////////////////////////////////////////////////////////////////////////////// +#endif //CXIMAGE_SUPPORT_TRANSFORMATION diff --git a/smelt/glfw/CxImage/ximawbmp.cpp b/smelt/glfw/CxImage/ximawbmp.cpp new file mode 100644 index 0000000..7ba5d00 --- /dev/null +++ b/smelt/glfw/CxImage/ximawbmp.cpp @@ -0,0 +1,134 @@ +/* + * File: ximawbmp.cpp + * Purpose: Platform Independent WBMP Image Class Loader and Writer + * 12/Jul/2002 Davide Pizzolato - www.xdp.it + * CxImage version 7.0.0 31/Dec/2010 + */ + +#include "ximawbmp.h" + +#if CXIMAGE_SUPPORT_WBMP + +#include "ximaiter.h" + +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImageWBMP::Decode(CxFile *hFile) +{ + if (hFile == NULL) return false; + + WBMPHEADER wbmpHead; + + cx_try + { + ReadOctet(hFile, &wbmpHead.Type); + + uint32_t dat; + ReadOctet(hFile, &dat); + wbmpHead.FixHeader = (uint8_t)dat; + + ReadOctet(hFile, &wbmpHead.ImageWidth); + ReadOctet(hFile, &wbmpHead.ImageHeight); + + if (hFile->Eof()) + cx_throw("Not a WBMP"); + + if (wbmpHead.Type != 0) + cx_throw("Unsupported WBMP type"); + + head.biWidth = wbmpHead.ImageWidth; + head.biHeight= wbmpHead.ImageHeight; + + if (head.biWidth<=0 || head.biHeight<=0) + cx_throw("Corrupted WBMP"); + + if (info.nEscape == -1){ + info.dwType = CXIMAGE_FORMAT_WBMP; + return true; + } + + Create(head.biWidth, head.biHeight, 1, CXIMAGE_FORMAT_WBMP); + if (!IsValid()) cx_throw("WBMP Create failed"); + SetGrayPalette(); + + int32_t linewidth=(head.biWidth+7)/8; + CImageIterator iter(this); + iter.Upset(); + for (int32_t y=0; y < head.biHeight; y++){ + hFile->Read(iter.GetRow(),linewidth,1); + iter.PrevRow(); + } + + } cx_catch { + if (strcmp(message,"")) strncpy(info.szLastError,message,255); + return FALSE; + } + return true; +} +//////////////////////////////////////////////////////////////////////////////// +bool CxImageWBMP::ReadOctet(CxFile * hFile, uint32_t *data) +{ + uint8_t c; + *data = 0; + do { + if (hFile->Eof()) return false; + c = (uint8_t)hFile->GetC(); + *data <<= 7; + *data |= (c & 0x7F); + } while ((c&0x80)!=0); + return true; +} +//////////////////////////////////////////////////////////////////////////////// +#endif //CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImageWBMP::Encode(CxFile * hFile) +{ + if (EncodeSafeCheck(hFile)) return false; + + //check format limits + if (head.biBitCount!=1){ + strcpy(info.szLastError,"Can't save this image as WBMP"); + return false; + } + + WBMPHEADER wbmpHead; + wbmpHead.Type=0; + wbmpHead.FixHeader=0; + wbmpHead.ImageWidth=head.biWidth; + wbmpHead.ImageHeight=head.biHeight; + + // Write the file header + hFile->PutC('\0'); + hFile->PutC('\0'); + WriteOctet(hFile,wbmpHead.ImageWidth); + WriteOctet(hFile,wbmpHead.ImageHeight); + // Write the pixels + int32_t linewidth=(wbmpHead.ImageWidth+7)/8; + CImageIterator iter(this); + iter.Upset(); + for (uint32_t y=0; y < wbmpHead.ImageHeight; y++){ + hFile->Write(iter.GetRow(),linewidth,1); + iter.PrevRow(); + } + return true; +} +//////////////////////////////////////////////////////////////////////////////// +bool CxImageWBMP::WriteOctet(CxFile * hFile, const uint32_t data) +{ + int32_t ns = 0; + while (data>>(ns+7)) ns+=7; + while (ns>0){ + if (!hFile->PutC(0x80 | (uint8_t)(data>>ns))) return false; + ns-=7; + } + if (!(hFile->PutC((uint8_t)(0x7F & data)))) return false; + return true; +} +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_ENCODE +//////////////////////////////////////////////////////////////////////////////// +#endif // CXIMAGE_SUPPORT_WBMP + diff --git a/smelt/glfw/CxImage/ximawbmp.h b/smelt/glfw/CxImage/ximawbmp.h new file mode 100644 index 0000000..9a7837e --- /dev/null +++ b/smelt/glfw/CxImage/ximawbmp.h @@ -0,0 +1,49 @@ +/* + * File: ximawbmp.h + * Purpose: WBMP Image Class Loader and Writer + */ +/* ========================================================== + * CxImageWBMP (c) 12/Jul/2002 Davide Pizzolato - www.xdp.it + * For conditions of distribution and use, see copyright notice in ximage.h + * ========================================================== + */ +#if !defined(__ximaWBMP_h) +#define __ximaWBMP_h + +#include "ximage.h" + +#if CXIMAGE_SUPPORT_WBMP + +class CxImageWBMP: public CxImage +{ +#pragma pack(1) +typedef struct tagWbmpHeader +{ + uint32_t Type; // 0 + uint8_t FixHeader; // 0 + uint32_t ImageWidth; // Image Width + uint32_t ImageHeight; // Image Height +} WBMPHEADER; +#pragma pack() +public: + CxImageWBMP(): CxImage(CXIMAGE_FORMAT_WBMP) {} + +// bool Load(const TCHAR * imageFileName){ return CxImage::Load(imageFileName,CXIMAGE_FORMAT_WBMP);} +// bool Save(const TCHAR * imageFileName){ return CxImage::Save(imageFileName,CXIMAGE_FORMAT_WBMP);} + bool Decode(CxFile * hFile); + bool Decode(FILE *hFile) { CxIOFile file(hFile); return Decode(&file); } +protected: + bool ReadOctet(CxFile * hFile, uint32_t *data); + +public: +#if CXIMAGE_SUPPORT_ENCODE + bool Encode(CxFile * hFile); + bool Encode(FILE *hFile) { CxIOFile file(hFile); return Encode(&file); } +protected: + bool WriteOctet(CxFile * hFile, const uint32_t data); +#endif // CXIMAGE_SUPPORT_ENCODE +}; + +#endif + +#endif diff --git a/smelt/glfw/CxImage/ximawmf.cpp b/smelt/glfw/CxImage/ximawmf.cpp new file mode 100644 index 0000000..a1057f5 --- /dev/null +++ b/smelt/glfw/CxImage/ximawmf.cpp @@ -0,0 +1,483 @@ +/* +********************************************************************* + * File: ximawmf.cpp + * Purpose: Windows Metafile Class Loader and Writer + * Author: Volker Horch - vhorch@gmx.de + * created: 13-Jun-2002 + * + * Note: If the code below works, i wrote it. + * If it doesn't work, i don't know who wrote it. +********************************************************************* + */ + +/* +********************************************************************* + Note by Author: +********************************************************************* + + Metafile Formats: + ================= + + There are 2 kinds of Windows Metafiles: + - Standard Windows Metafile + - Placeable Windows Metafile + + A StandardWindows Metafile looks like: + - Metafile Header (MEATAHEADER) + - Metafile Records + + A Placeable Metafile looks like: + - Aldus Header (METAFILEHEADER) + - Metafile Header (METAHEADER) + - Metafile Records + + The "Metafile Header" and the "Metafile Records" are the same + for both formats. However, the Standard Metafile does not contain any + information about the original dimensions or x/y ratio of the Metafile. + + I decided, to allow only placeable Metafiles here. If you also want to + enable Standard Metafiles, you will have to guess the dimensions of + the image. + +********************************************************************* + Limitations: see ximawmf.h + you may configure some stuff there +********************************************************************* +*/ + +#include "ximawmf.h" + +#if CXIMAGE_SUPPORT_WMF && CXIMAGE_SUPPORT_WINDOWS + +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +bool CxImageWMF::Decode(CxFile *hFile, int32_t nForceWidth, int32_t nForceHeight) +{ + if (hFile == NULL) return false; + + HENHMETAFILE hMeta; + HDC hDC; + int32_t cx,cy; + + //save the current position of the file + int32_t pos = hFile->Tell(); + + // Read the Metafile and convert to an Enhanced Metafile + METAFILEHEADER mfh; + hMeta = ConvertWmfFiletoEmf(hFile, &mfh); + if (hMeta) { // ok, it's a WMF + +///////////////////////////////////////////////////////////////////// +// We use the original WMF size information, because conversion to +// EMF adjusts the Metafile to Full Screen or does not set rclBounds at all +// ENHMETAHEADER emh; +// uint32_t uRet; +// uRet = GetEnhMetaFileHeader(hMeta, // handle of enhanced metafile +// sizeof(ENHMETAHEADER), // size of buffer, in bytes +// &emh); // address of buffer to receive data +// if (!uRet){ +// DeleteEnhMetaFile(hMeta); +// return false; +// } +// // calculate size +// cx = emh.rclBounds.right - emh.rclBounds.left; +// cy = emh.rclBounds.bottom - emh.rclBounds.top; +///////////////////////////////////////////////////////////////////// + + // calculate size + // scale the metafile (pixels/inch of metafile => pixels/inch of display) + // mfh.inch already checked to be <> 0 + + hDC = ::GetDC(0); + int32_t cx1 = ::GetDeviceCaps(hDC, LOGPIXELSX); + int32_t cy1 = ::GetDeviceCaps(hDC, LOGPIXELSY); + ::ReleaseDC(0, hDC); + + cx = (mfh.inch/2 + (mfh.bbox.right - mfh.bbox.left) * cx1) / mfh.inch; + cy = (mfh.inch/2 + (mfh.bbox.bottom - mfh.bbox.top) * cy1) / mfh.inch; + + } else { // maybe it's an EMF... + + hFile->Seek(pos,SEEK_SET); + + ENHMETAHEADER emh; + hMeta = ConvertEmfFiletoEmf(hFile, &emh); + + if (!hMeta){ + strcpy(info.szLastError,"corrupted WMF"); + return false; // definitively give up + } + + // ok, it's an EMF; calculate canvas size + cx = emh.rclBounds.right - emh.rclBounds.left; + cy = emh.rclBounds.bottom - emh.rclBounds.top; + + // alternative methods, sometime not so reliable... [DP] + //cx = emh.szlDevice.cx; + //cy = emh.szlDevice.cy; + // + //hDC = ::GetDC(0); + //float hscale = (float)GetDeviceCaps(hDC, HORZRES)/(100.0f * GetDeviceCaps(hDC, HORZSIZE)); + //float vscale = (float)GetDeviceCaps(hDC, VERTRES)/(100.0f * GetDeviceCaps(hDC, VERTSIZE)); + //::ReleaseDC(0, hDC); + //cx = (int32_t)((emh.rclFrame.right - emh.rclFrame.left) * hscale); + //cy = (int32_t)((emh.rclFrame.bottom - emh.rclFrame.top) * vscale); + } + + if (info.nEscape == -1) { // Check if cancelled + head.biWidth = cx; + head.biHeight= cy; + info.dwType = CXIMAGE_FORMAT_WMF; + DeleteEnhMetaFile(hMeta); + strcpy(info.szLastError,"output dimensions returned"); + return true; + } + + if (!cx || !cy) { + DeleteEnhMetaFile(hMeta); + strcpy(info.szLastError,"empty WMF"); + return false; + } + + if (nForceWidth) cx=nForceWidth; + if (nForceHeight) cy=nForceHeight; + ShrinkMetafile(cx, cy); // !! Otherwise Bitmap may have bombastic size + + HDC hDC0 = ::GetDC(0); // DC of screen + HBITMAP hBitmap = CreateCompatibleBitmap(hDC0, cx, cy); // has # colors of display + hDC = CreateCompatibleDC(hDC0); // memory dc compatible with screen + ::ReleaseDC(0, hDC0); // don't need anymore. get rid of it. + + if (hDC){ + if (hBitmap){ + RECT rc = {0,0,cx,cy}; + int32_t bpp = ::GetDeviceCaps(hDC, BITSPIXEL); + + HBITMAP hBitmapOld = (HBITMAP)SelectObject(hDC, hBitmap); + + // clear out the entire bitmap with windows background + // because the MetaFile may not contain background information + uint32_t dwBack = XMF_COLOR_BACK; +#if XMF_SUPPORT_TRANSPARENCY + if (bpp == 24) dwBack = XMF_COLOR_TRANSPARENT; +#endif + uint32_t OldColor = SetBkColor(hDC, dwBack); + ExtTextOut(hDC, 0, 0, ETO_OPAQUE, &rc, NULL, 0, NULL); + SetBkColor(hDC, OldColor); + + //retrieves optional palette entries from the specified enhanced metafile + PLOGPALETTE plogPal; + PBYTE pjTmp; + HPALETTE hPal; + int32_t iEntries = GetEnhMetaFilePaletteEntries(hMeta, 0, NULL); + if (iEntries) { + if ((plogPal = (PLOGPALETTE)GlobalAlloc(GMEM_FIXED | GMEM_ZEROINIT, + sizeof(uint32_t) + sizeof(PALETTEENTRY)*iEntries )) == NULL) { + DeleteObject(hBitmap); + DeleteDC(hDC); + DeleteEnhMetaFile(hMeta); + strcpy(info.szLastError,"Cancelled"); + return false; + } + + plogPal->palVersion = 0x300; + plogPal->palNumEntries = (uint16_t) iEntries; + pjTmp = (PBYTE) plogPal; + pjTmp += 4; + + GetEnhMetaFilePaletteEntries(hMeta, iEntries, (PPALETTEENTRY)pjTmp); + hPal = CreatePalette(plogPal); + GlobalFree(plogPal); + + SelectPalette(hDC, hPal, FALSE); + RealizePalette(hDC); + } + + // Play the Metafile into Memory DC + BOOL bRet = PlayEnhMetaFile(hDC, // handle to a device context + hMeta, // handle to an enhanced metafile + &rc); // pointer to bounding rectangle + + SelectObject(hDC, hBitmapOld); + DeleteEnhMetaFile(hMeta); // we are done with this one + + if (info.nEscape) { // Check if cancelled + DeleteObject(hBitmap); + DeleteDC(hDC); + strcpy(info.szLastError,"Cancelled"); + return false; + } + + // the Bitmap now has the image. + // Create our DIB and convert the DDB into DIB + if (!Create(cx, cy, bpp, CXIMAGE_FORMAT_WMF)) { + DeleteObject(hBitmap); + DeleteDC(hDC); + return false; + } + +#if XMF_SUPPORT_TRANSPARENCY + if (bpp == 24) { + RGBQUAD rgbTrans = { XMF_RGBQUAD_TRANSPARENT }; + SetTransColor(rgbTrans); + } +#endif + // We're finally ready to get the DIB. Call the driver and let + // it party on our bitmap. It will fill in the color table, + // and bitmap bits of our global memory block. + bRet = GetDIBits(hDC, hBitmap, 0, + (uint32_t)cy, GetBits(), (LPBITMAPINFO)pDib, DIB_RGB_COLORS); + + DeleteObject(hBitmap); + DeleteDC(hDC); + + return (bRet!=0); + } else { + DeleteDC(hDC); + } + } else { + if (hBitmap) DeleteObject(hBitmap); + } + + DeleteEnhMetaFile(hMeta); + + return false; +} + +/********************************************************************** + Function: CheckMetafileHeader + Purpose: Check if the Metafileheader of a file is valid +**********************************************************************/ +BOOL CxImageWMF::CheckMetafileHeader(METAFILEHEADER *metafileheader) +{ + uint16_t *pw; + uint16_t cs; + int32_t i; + + // check magic # + if (metafileheader->key != 0x9ac6cdd7L) return false; + + // test checksum of header + pw = (uint16_t *)metafileheader; + cs = *pw; + pw++; + for (i = 0; i < 9; i++) { + cs ^= *pw; + pw++; + } + + if (cs != metafileheader->checksum) return false; + + // check resolution + if ((metafileheader->inch <= 0) || (metafileheader->inch > 2540)) return false; + + return true; +} + +/********************************************************************** + Function: ConvertWmfFiletoEmf + Purpose: Converts a Windows Metafile into an Enhanced Metafile +**********************************************************************/ +HENHMETAFILE CxImageWMF::ConvertWmfFiletoEmf(CxFile *fp, METAFILEHEADER *metafileheader) +{ + HENHMETAFILE hMeta; + uint32_t lenFile; + uint32_t len; + uint8_t *p; + METAHEADER mfHeader; + uint32_t seekpos; + + hMeta = 0; + + // get length of the file + lenFile = fp->Size(); + + // a placeable metafile starts with a METAFILEHEADER + // read it and check metafileheader + len = fp->Read(metafileheader, 1, sizeof(METAFILEHEADER)); + if (len < sizeof(METAFILEHEADER)) return (hMeta); + + if (CheckMetafileHeader(metafileheader)) { + // This is a placeable metafile + // Convert the placeable format into something that can + // be used with GDI metafile functions + seekpos = sizeof(METAFILEHEADER); + } else { + // Not a placeable wmf. A windows metafile? + // at least not scaleable. + // we could try to convert, but would loose ratio. don't allow this + return (hMeta); + + //metafileheader->bbox.right = ?; + //metafileheader->bbox.left = ?; + //metafileheader->bbox.bottom = ?; + //metafileheader->bbox.top = ?; + //metafileheader->inch = ?; + // + //seekpos = 0; + // fp->Seek(0, SEEK_SET); // rewind + } + + // At this point we have a metaheader regardless of whether + // the metafile was a windows metafile or a placeable metafile + // so check to see if it is valid. There is really no good + // way to do this so just make sure that the mtType is either + // 1 or 2 (memory or disk file) + // in addition we compare the length of the METAHEADER against + // the length of the file. if filelength < len => no Metafile + + len = fp->Read(&mfHeader, 1, sizeof(METAHEADER)); + if (len < sizeof(METAHEADER)) return (hMeta); + + if ((mfHeader.mtType != 1) && (mfHeader.mtType != 2)) return (hMeta); + + // Length in Bytes from METAHEADER + len = mfHeader.mtSize * 2; + if (len > lenFile) return (hMeta); + + // Allocate memory for the metafile bits + p = (uint8_t *)malloc(len); + if (!p) return (hMeta); + + // seek back to METAHEADER and read all the stuff at once + fp->Seek(seekpos, SEEK_SET); + lenFile = fp->Read(p, 1, len); + if (lenFile != len) { + free(p); + return (hMeta); + } + + // the following (commented code) works, but adjusts rclBound of the + // Enhanced Metafile to full screen. + // the METAFILEHEADER from above is needed to scale the image + +// hMeta = SetWinMetaFileBits(len, p, NULL, NULL); + + // scale the metafile (pixels/inch of metafile => pixels/inch of display) + + METAFILEPICT mfp; + int32_t cx1, cy1; + HDC hDC; + + hDC = ::GetDC(0); + cx1 = ::GetDeviceCaps(hDC, LOGPIXELSX); + cy1 = ::GetDeviceCaps(hDC, LOGPIXELSY); + + memset(&mfp, 0, sizeof(mfp)); + + mfp.mm = MM_ANISOTROPIC; + mfp.xExt = 10000; //(metafileheader->bbox.right - metafileheader->bbox.left) * cx1 / metafileheader->inch; + mfp.yExt = 10000; //(metafileheader->bbox.bottom - metafileheader->bbox.top) * cy1 / metafileheader->inch; + mfp.hMF = 0; + + // in MM_ANISOTROPIC mode xExt and yExt are in MM_HIENGLISH + // MM_HIENGLISH means: Each logical unit is converted to 0.001 inch + //mfp.xExt *= 1000; + //mfp.yExt *= 1000; + // ???? + //int32_t k = 332800 / ::GetSystemMetrics(SM_CXSCREEN); + //mfp.xExt *= k; mfp.yExt *= k; + + // fix for Win9x + while ((mfp.xExt < 6554) && (mfp.yExt < 6554)) + { + mfp.xExt *= 10; + mfp.yExt *= 10; + } + + hMeta = SetWinMetaFileBits(len, p, hDC, &mfp); + + if (!hMeta){ //try 2nd conversion using a different mapping + mfp.mm = MM_TEXT; + hMeta = SetWinMetaFileBits(len, p, hDC, &mfp); + } + + ::ReleaseDC(0, hDC); + + // Free Memory + free(p); + + return (hMeta); +} +///////////////////////////////////////////////////////////////////// +HENHMETAFILE CxImageWMF::ConvertEmfFiletoEmf(CxFile *pFile, ENHMETAHEADER *pemfh) +{ + HENHMETAFILE hMeta; + int32_t iLen = pFile->Size(); + + // Check the header first: + int32_t pos = pFile->Tell(); + int32_t iLenRead = pFile->Read(pemfh, 1, sizeof(ENHMETAHEADER)); + if (iLenRead < sizeof(ENHMETAHEADER)) return NULL; + if (pemfh->iType != EMR_HEADER) return NULL; + if (pemfh->dSignature != ENHMETA_SIGNATURE) return NULL; + //if (pemfh->nBytes != (uint32_t)iLen) return NULL; + pFile->Seek(pos,SEEK_SET); + + uint8_t* pBuff = (uint8_t *)malloc(iLen); + if (!pBuff) return (FALSE); + + // Read the Enhanced Metafile + iLenRead = pFile->Read(pBuff, 1, iLen); + if (iLenRead != iLen) { + free(pBuff); + return NULL; + } + + // Make it a Memory Metafile + hMeta = SetEnhMetaFileBits(iLen, pBuff); + + free(pBuff); // finished with this one + + if (!hMeta) return NULL; // oops. + + // Get the Enhanced Metafile Header + uint32_t uRet = GetEnhMetaFileHeader(hMeta, // handle of enhanced metafile + sizeof(ENHMETAHEADER), // size of buffer, in bytes + pemfh); // address of buffer to receive data + + if (!uRet) { + DeleteEnhMetaFile(hMeta); + return NULL; + } + + return (hMeta); +} +//////////////////////////////////////////////////////////////////////////////// +#endif //CXIMAGE_SUPPORT_DECODE +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_ENCODE +///////////////////////////////////////////////////////////////////// +bool CxImageWMF::Encode(CxFile * hFile) +{ + if (hFile == NULL) return false; + strcpy(info.szLastError, "Save WMF not supported"); + return false; +} +#endif // CXIMAGE_SUPPORT_ENCODE +///////////////////////////////////////////////////////////////////// + +/********************************************************************** +Function: ShrinkMetafile +Purpose: Shrink the size of a metafile to be not larger than + the definition +**********************************************************************/ +void CxImageWMF::ShrinkMetafile(int32_t &cx, int32_t &cy) +{ + int32_t xScreen = XMF_MAXSIZE_CX; + int32_t yScreen = XMF_MAXSIZE_CY; + + if (cx > xScreen){ + cy = cy * xScreen / cx; + cx = xScreen; + } + + if (cy > yScreen){ + cx = cx * yScreen / cy; + cy = yScreen; + } +} + +#endif // CIMAGE_SUPPORT_WMF + diff --git a/smelt/glfw/CxImage/ximawmf.h b/smelt/glfw/CxImage/ximawmf.h new file mode 100644 index 0000000..94fb168 --- /dev/null +++ b/smelt/glfw/CxImage/ximawmf.h @@ -0,0 +1,154 @@ +/* +********************************************************************* + * File: ximawmf.h + * Purpose: Windows Metafile Class Loader and Writer + * Author: Volker Horch - vhorch@gmx.de + * created: 13-Jun-2002 +********************************************************************* + */ + +/* +********************************************************************* + Notes by Author: +********************************************************************* + + Limitations: + ============ + + a) Transparency: + + A Metafile is vector graphics, which has transparency by design. + This class always converts into a Bitmap format. Transparency is + supported, but there is no good way to find out, which parts + of the Metafile are transparent. There are two ways how we can + handle this: + + - Clear the Background of the Bitmap with the background color + you like (i have used COLOR_WINDOW) and don't support transparency. + + below #define XMF_SUPPORT_TRANSPARENCY 0 + #define XMF_COLOR_BACK RGB(Background color you like) + + - Clear the Background of the Bitmap with a very unusual color + (which one ?) and use this color as the transparent color + + below #define XMF_SUPPORT_TRANSPARENCY 1 + #define XMF_COLOR_TRANSPARENT_R ... + #define XMF_COLOR_TRANSPARENT_G ... + #define XMF_COLOR_TRANSPARENT_B ... + + b) Resolution + + Once we have converted the Metafile into a Bitmap and we zoom in + or out, the image may not look very good. If we still had the + original Metafile, zooming would produce good results always. + + c) Size + + Although the filesize of a Metafile may be very small, it might + produce a Bitmap with a bombastic size. Assume you have a Metafile + with an image size of 6000*4000, which contains just one Metafile + record ((e.g. a line from (0,0) to (6000, 4000)). The filesize + of this Metafile would be let's say 100kB. If we convert it to + a 6000*4000 Bitmap with 24 Bits/Pixes, the Bitmap would consume + about 68MB of memory. + + I have choosen, to limit the size of the Bitmap to max. + screensize, to avoid memory problems. + + If you want something else, + modify #define XMF_MAXSIZE_CX / XMF_MAXSIZE_CY below + +********************************************************************* +*/ + +#ifndef _XIMAWMF_H +#define _XIMAWMF_H + +#include "ximage.h" + +#if CXIMAGE_SUPPORT_WMF && CXIMAGE_SUPPORT_WINDOWS + +class CxImageWMF: public CxImage +{ + +#pragma pack(1) + +typedef struct tagRECT16 +{ + int16_t left; + int16_t top; + int16_t right; + int16_t bottom; +} RECT16; + +// taken from Windos 3.11 SDK Documentation (Programmer's Reference Volume 4: Resources) +typedef struct tagMETAFILEHEADER +{ + uint32_t key; // always 0x9ac6cdd7 + uint16_t reserved1; // reserved = 0 + RECT16 bbox; // bounding rectangle in metafile units as defined in "inch" + uint16_t inch; // number of metafile units per inch (should be < 1440) + uint32_t reserved2; // reserved = 0 + uint16_t checksum; // sum of the first 10 WORDS (using XOR operator) +} METAFILEHEADER; + +#pragma pack() + +public: + CxImageWMF(): CxImage(CXIMAGE_FORMAT_WMF) { } + + bool Decode(CxFile * hFile, int32_t nForceWidth=0, int32_t nForceHeight=0); + bool Decode(FILE *hFile, int32_t nForceWidth=0, int32_t nForceHeight=0) + { CxIOFile file(hFile); return Decode(&file,nForceWidth,nForceHeight); } + +#if CXIMAGE_SUPPORT_ENCODE + bool Encode(CxFile * hFile); + bool Encode(FILE *hFile) { CxIOFile file(hFile); return Encode(&file); } +#endif // CXIMAGE_SUPPORT_ENCODE + +protected: + void ShrinkMetafile(int32_t &cx, int32_t &cy); + BOOL CheckMetafileHeader(METAFILEHEADER *pmetafileheader); + HENHMETAFILE ConvertWmfFiletoEmf(CxFile *pFile, METAFILEHEADER *pmetafileheader); + HENHMETAFILE ConvertEmfFiletoEmf(CxFile *pFile, ENHMETAHEADER *pemfh); + +}; + +#define METAFILEKEY 0x9ac6cdd7L + +// Background color definition (if no transparency). see Notes above +#define XMF_COLOR_BACK GetSysColor(COLOR_WINDOW) +// alternatives +//#define XMF_COLOR_BACK RGB(192, 192, 192) // lite gray +//#define XMF_COLOR_BACK RGB( 0, 0, 0) // black +//#define XMF_COLOR_BACK RGB(255, 255, 255) // white + + +// transparency support. see Notes above +#define XMF_SUPPORT_TRANSPARENCY 0 +#define XMF_COLOR_TRANSPARENT_R 211 +#define XMF_COLOR_TRANSPARENT_G 121 +#define XMF_COLOR_TRANSPARENT_B 112 +// don't change +#define XMF_COLOR_TRANSPARENT RGB (XMF_COLOR_TRANSPARENT_R, \ + XMF_COLOR_TRANSPARENT_G, \ + XMF_COLOR_TRANSPARENT_B) +// don't change +#define XMF_RGBQUAD_TRANSPARENT XMF_COLOR_TRANSPARENT_B, \ + XMF_COLOR_TRANSPARENT_G, \ + XMF_COLOR_TRANSPARENT_R, \ + 0 +// max. size. see Notes above +// alternatives +//#define XMF_MAXSIZE_CX (GetSystemMetrics(SM_CXSCREEN)-10) +//#define XMF_MAXSIZE_CY (GetSystemMetrics(SM_CYSCREEN)-50) +//#define XMF_MAXSIZE_CX (2*GetSystemMetrics(SM_CXSCREEN)/3) +//#define XMF_MAXSIZE_CY (2*GetSystemMetrics(SM_CYSCREEN)/3) +#define XMF_MAXSIZE_CX 4000 +#define XMF_MAXSIZE_CY 4000 + + +#endif + +#endif diff --git a/smelt/glfw/CxImage/ximawnd.cpp b/smelt/glfw/CxImage/ximawnd.cpp new file mode 100644 index 0000000..7f23f8f --- /dev/null +++ b/smelt/glfw/CxImage/ximawnd.cpp @@ -0,0 +1,1900 @@ +// xImaWnd.cpp : Windows functions +/* 07/08/2001 v1.00 - Davide Pizzolato - www.xdp.it + * CxImage version 7.0.0 31/Dec/2010 + */ + +#include "ximage.h" + +#include "ximaiter.h" +#include "ximabmp.h" + +//////////////////////////////////////////////////////////////////////////////// +#if defined (_WIN32_WCE) + +#ifndef DEFAULT_GUI_FONT +#define DEFAULT_GUI_FONT 17 +#endif + +#ifndef PROOF_QUALITY +#define PROOF_QUALITY 2 +#endif + +struct DIBINFO : public BITMAPINFO +{ + RGBQUAD arColors[255]; // Color table info - adds an extra 255 entries to palette + operator LPBITMAPINFO() { return (LPBITMAPINFO) this; } + operator LPBITMAPINFOHEADER() { return &bmiHeader; } + RGBQUAD* ColorTable() { return bmiColors; } +}; + +int32_t BytesPerLine(int32_t nWidth, int32_t nBitsPerPixel) +{ + return ( (nWidth * nBitsPerPixel + 31) & (~31) ) / 8; +} + +int32_t NumColorEntries(int32_t nBitsPerPixel, int32_t nCompression, uint32_t biClrUsed) +{ + int32_t nColors = 0; + switch (nBitsPerPixel) + { + case 1: + nColors = 2; break; + case 2: + nColors = 4; break; // winCE only + case 4: + nColors = 16; break; + case 8: + nColors =256; break; + case 24: + nColors = 0; break; + case 16: + case 32: + nColors = 3; break; // I've found that PocketPCs need this regardless of BI_RGB or BI_BITFIELDS + default: + ASSERT(FALSE); + } + // If biClrUsed is provided, and it is a legal value, use it + if (biClrUsed > 0 && biClrUsed <= (uint32_t)nColors) + return biClrUsed; + + return nColors; +} + +int32_t GetDIBits( + HDC hdc, // handle to DC + HBITMAP hbmp, // handle to bitmap + uint32_t uStartScan, // first scan line to set + uint32_t cScanLines, // number of scan lines to copy + LPVOID lpvBits, // array for bitmap bits + LPBITMAPINFO lpbi, // bitmap data buffer + uint32_t uUsage // RGB or palette index +) +{ + uint32_t iColorTableSize = 0; + + if (!hbmp) + return 0; + + // Get dimensions of bitmap + BITMAP bm; + if (!::GetObject(hbmp, sizeof(bm),(LPVOID)&bm)) + return 0; + + //3. Creating new bitmap and receive pointer to it's bits. + HBITMAP hTargetBitmap; + void *pBuffer; + + //3.1 Initilize DIBINFO structure + DIBINFO dibInfo; + dibInfo.bmiHeader.biBitCount = 24; + dibInfo.bmiHeader.biClrImportant = 0; + dibInfo.bmiHeader.biClrUsed = 0; + dibInfo.bmiHeader.biCompression = 0; + dibInfo.bmiHeader.biHeight = bm.bmHeight; + dibInfo.bmiHeader.biPlanes = 1; + dibInfo.bmiHeader.biSize = 40; + dibInfo.bmiHeader.biSizeImage = bm.bmHeight*BytesPerLine(bm.bmWidth,24); + dibInfo.bmiHeader.biWidth = bm.bmWidth; + dibInfo.bmiHeader.biXPelsPerMeter = 3780; + dibInfo.bmiHeader.biYPelsPerMeter = 3780; + dibInfo.bmiColors[0].rgbBlue = 0; + dibInfo.bmiColors[0].rgbGreen = 0; + dibInfo.bmiColors[0].rgbRed = 0; + dibInfo.bmiColors[0].rgbReserved = 0; + + //3.2 Create bitmap and receive pointer to points into pBuffer + HDC hDC = ::GetDC(NULL); + ASSERT(hDC); + hTargetBitmap = CreateDIBSection( + hDC, + (const BITMAPINFO*)dibInfo, + DIB_RGB_COLORS, + (void**)&pBuffer, + NULL, + 0); + + ::ReleaseDC(NULL, hDC); + + //4. Copy source bitmap into the target bitmap. + + //4.1 Create 2 device contexts + HDC memDc = CreateCompatibleDC(NULL); + if (!memDc) { + ASSERT(FALSE); + } + + HDC targetDc = CreateCompatibleDC(NULL); + if (!targetDc) { + ASSERT(FALSE); + } + + //4.2 Select source bitmap into one DC, target into another + HBITMAP hOldBitmap1 = (HBITMAP)::SelectObject(memDc, hbmp); + HBITMAP hOldBitmap2 = (HBITMAP)::SelectObject(targetDc, hTargetBitmap); + + //4.3 Copy source bitmap into the target one + BitBlt(targetDc, 0, 0, bm.bmWidth, bm.bmHeight, memDc, 0, 0, SRCCOPY); + + //4.4 Restore device contexts + ::SelectObject(memDc, hOldBitmap1); + ::SelectObject(targetDc, hOldBitmap2); + DeleteDC(memDc); + DeleteDC(targetDc); + + //Here we can bitmap bits: pBuffer. Note: + // 1. pBuffer contains 3 bytes per point + // 2. Lines ane from the bottom to the top! + // 3. Points in the line are from the left to the right + // 4. Bytes in one point are BGR (blue, green, red) not RGB + // 5. Don't delete pBuffer, it will be automatically deleted + // when delete hTargetBitmap + lpvBits = pBuffer; + + DeleteObject(hbmp); + //DeleteObject(hTargetBitmap); + + return 1; +} +#endif + +//////////////////////////////////////////////////////////////////////////////// +#if CXIMAGE_SUPPORT_WINDOWS +//////////////////////////////////////////////////////////////////////////////// +int32_t CxImage::Blt(HDC pDC, int32_t x, int32_t y) +{ + if((pDib==0)||(pDC==0)||(!info.bEnabled)) return 0; + + HBRUSH brImage = CreateDIBPatternBrushPt(pDib, DIB_RGB_COLORS); + POINT pt; + SetBrushOrgEx(pDC,x,y,&pt); // + HBRUSH brOld = (HBRUSH) SelectObject(pDC, brImage); + PatBlt(pDC, x, y, head.biWidth, head.biHeight, PATCOPY); + SelectObject(pDC, brOld); + SetBrushOrgEx(pDC,pt.x,pt.y,NULL); + DeleteObject(brImage); + return 1; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Transfer the image in a global bitmap handle (clipboard copy) + */ +HANDLE CxImage::CopyToHandle() +{ + HANDLE hMem=NULL; + if (pDib){ + hMem= GlobalAlloc(GHND, GetSize()); + if (hMem){ + uint8_t* pDst=(uint8_t*)GlobalLock(hMem); + if (pDst){ + memcpy(pDst,pDib,GetSize()); + } + GlobalUnlock(hMem); + } + } + return hMem; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Global object (clipboard paste) constructor + * \param hMem: source bitmap object, the clipboard format must be CF_DIB + * \return true if everything is ok + */ +bool CxImage::CreateFromHANDLE(HANDLE hMem) +{ + if (!Destroy()) + return false; + + uint32_t dwSize = GlobalSize(hMem); + if (!dwSize) return false; + + uint8_t *lpVoid; //pointer to the bitmap + lpVoid = (uint8_t *)GlobalLock(hMem); + BITMAPINFOHEADER *pHead; //pointer to the bitmap header + pHead = (BITMAPINFOHEADER *)lpVoid; + if (lpVoid){ + + //CxMemFile hFile(lpVoid,dwSize); + + //copy the bitmap header + memcpy(&head,pHead,sizeof(BITMAPINFOHEADER)); + //check if it's a top-down bitmap + bool bTopDownDib = head.biHeight<0; + if (bTopDownDib) head.biHeight=-head.biHeight; + //create the image + if(!Create(head.biWidth,head.biHeight,head.biBitCount)){ + GlobalUnlock(hMem); + return false; + } + //preserve DPI + SetXDPI((int32_t)floor(head.biXPelsPerMeter * 254.0 / 10000.0 + 0.5)); + SetYDPI((int32_t)floor(head.biYPelsPerMeter * 254.0 / 10000.0 + 0.5)); + + /*//copy the pixels (old way) + if((pHead->biCompression != BI_RGB) || (pHead->biBitCount == 32)){ // + // BITFIELD case + // set the internal header in the dib + memcpy(pDib,&head,sizeof(head)); + // get the bitfield masks + uint32_t bf[3]; + memcpy(bf,lpVoid+pHead->biSize,12); + // transform into RGB + Bitfield2RGB(lpVoid+pHead->biSize+12,bf[0],bf[1],bf[2],(uint8_t)pHead->biBitCount); + } else { //normal bitmap + memcpy(pDib,lpVoid,GetSize()); + }*/ + + // + // fill in color map + bool bIsOldBmp = (head.biSize == sizeof(BITMAPCOREHEADER)); + RGBQUAD *pRgb = GetPalette(); + if (pRgb) { + // number of colors to fill in + int32_t nColors = DibNumColors(pHead); + if (bIsOldBmp) { + /* get pointer to BITMAPCOREINFO (old style 1.x) */ + LPBITMAPCOREINFO lpbmc = (LPBITMAPCOREINFO)lpVoid; + for (int32_t i = nColors - 1; i >= 0; i--) { + pRgb[i].rgbRed = lpbmc->bmciColors[i].rgbtRed; + pRgb[i].rgbGreen = lpbmc->bmciColors[i].rgbtGreen; + pRgb[i].rgbBlue = lpbmc->bmciColors[i].rgbtBlue; + pRgb[i].rgbReserved = (uint8_t)0; + } + } else { + /* get pointer to BITMAPINFO (new style 3.x) */ + LPBITMAPINFO lpbmi = (LPBITMAPINFO)lpVoid; + for (int32_t i = nColors - 1; i >= 0; i--) { + pRgb[i].rgbRed = lpbmi->bmiColors[i].rgbRed; + pRgb[i].rgbGreen = lpbmi->bmiColors[i].rgbGreen; + pRgb[i].rgbBlue = lpbmi->bmiColors[i].rgbBlue; + pRgb[i].rgbReserved = (uint8_t)0; + } + } + } + + // + uint32_t dwCompression = pHead->biCompression; + // compressed bitmap ? + if(dwCompression!=BI_RGB || pHead->biBitCount==32 || pHead->biBitCount ==16) { + // get the bitmap bits + LPSTR lpDIBBits = (LPSTR)((uint8_t*)pHead + *(uint32_t*)pHead + (uint16_t)(GetNumColors() * sizeof(RGBQUAD))); + // decode and copy them to our image + switch (pHead->biBitCount) { + case 32 : + { + // BITFIELD case + if (dwCompression == BI_BITFIELDS || dwCompression == BI_RGB) { + // get the bitfield masks + uint32_t bf[3]; + memcpy(bf,lpVoid+pHead->biSize,12); + // transform into RGB + Bitfield2RGB(lpVoid+pHead->biSize+12,bf[0],bf[1],bf[2],(uint8_t)pHead->biBitCount); + } else { + // "unknown compression"; + GlobalUnlock(hMem); + return false; + } + } + break; + case 16 : + { + // get the bitfield masks + int32_t offset=0; + uint32_t bf[3]; + if (dwCompression == BI_BITFIELDS) { + memcpy(bf,lpVoid+pHead->biSize,12); + offset= 12; + } else { + bf[0] = 0x7C00; + bf[1] = 0x3E0; + bf[2] = 0x1F; // RGB555 + } + // copy the pixels + memcpy(info.pImage, lpDIBBits + offset, head.biHeight*((head.biWidth+1)/2)*4); + // transform into RGB + Bitfield2RGB(info.pImage, bf[0], bf[1], bf[2], 16); + } + break; + case 8 : + case 4 : + case 1 : + { + switch (dwCompression) { + case BI_RLE4: + { + uint8_t status_byte = 0; + uint8_t second_byte = 0; + int32_t scanline = 0; + int32_t bits = 0; + BOOL low_nibble = FALSE; + CImageIterator iter(this); + + for (BOOL bContinue = TRUE; bContinue; ) { + status_byte = *(lpDIBBits++); + switch (status_byte) { + case RLE_COMMAND : + status_byte = *(lpDIBBits++); + switch (status_byte) { + case RLE_ENDOFLINE : + bits = 0; + scanline++; + low_nibble = FALSE; + break; + case RLE_ENDOFBITMAP : + bContinue = FALSE; + break; + case RLE_DELTA : + { + // read the delta values + uint8_t delta_x; + uint8_t delta_y; + delta_x = *(lpDIBBits++); + delta_y = *(lpDIBBits++); + // apply them + bits += delta_x / 2; + scanline += delta_y; + break; + } + default : + second_byte = *(lpDIBBits++); + uint8_t* sline = iter.GetRow(scanline); + for (int32_t i = 0; i < status_byte; i++) { + if ((uint8_t*)(sline+bits) < (uint8_t*)(info.pImage+head.biSizeImage)){ + if (low_nibble) { + if (i&1) + *(sline + bits) |= (second_byte & 0x0f); + else + *(sline + bits) |= (second_byte & 0xf0)>>4; + bits++; + } else { + if (i&1) + *(sline + bits) = (uint8_t)(second_byte & 0x0f)<<4; + else + *(sline + bits) = (uint8_t)(second_byte & 0xf0); + } + } + + if ((i & 1) && (i != (status_byte - 1))) + second_byte = *(lpDIBBits++); + + low_nibble = !low_nibble; + } + if ((((status_byte+1) >> 1) & 1 ) == 1) + second_byte = *(lpDIBBits++); + break; + }; + break; + default : + { + uint8_t* sline = iter.GetRow(scanline); + second_byte = *(lpDIBBits++); + for (unsigned i = 0; i < status_byte; i++) { + if ((uint8_t*)(sline+bits) < (uint8_t*)(info.pImage+head.biSizeImage)){ + if (low_nibble) { + if (i&1) + *(sline + bits) |= (second_byte & 0x0f); + else + *(sline + bits) |= (second_byte & 0xf0)>>4; + bits++; + } else { + if (i&1) + *(sline + bits) = (uint8_t)(second_byte & 0x0f)<<4; + else + *(sline + bits) = (uint8_t)(second_byte & 0xf0); + } + } + low_nibble = !low_nibble; + } + } + break; + }; + } + } + break; + case BI_RLE8 : + { + uint8_t status_byte = 0; + uint8_t second_byte = 0; + int32_t scanline = 0; + int32_t bits = 0; + CImageIterator iter(this); + + for (BOOL bContinue = TRUE; bContinue; ) { + status_byte = *(lpDIBBits++); + if (status_byte==RLE_COMMAND) { + status_byte = *(lpDIBBits++); + switch (status_byte) { + case RLE_ENDOFLINE : + bits = 0; + scanline++; + break; + case RLE_ENDOFBITMAP : + bContinue = FALSE; + break; + case RLE_DELTA : + { + // read the delta values + uint8_t delta_x; + uint8_t delta_y; + delta_x = *(lpDIBBits++); + delta_y = *(lpDIBBits++); + // apply them + bits += delta_x; + scanline += delta_y; + } + break; + default : + int32_t nNumBytes = sizeof(uint8_t) * status_byte; + memcpy((void *)(iter.GetRow(scanline) + bits), lpDIBBits, nNumBytes); + lpDIBBits += nNumBytes; + // align run length to even number of bytes + if ((status_byte & 1) == 1) + second_byte = *(lpDIBBits++); + bits += status_byte; + break; + }; + } else { + uint8_t *sline = iter.GetRow(scanline); + second_byte = *(lpDIBBits++); + for (unsigned i = 0; i < status_byte; i++) { + if ((uint8_t*)(sline+bits) < (uint8_t*)(info.pImage+head.biSizeImage)){ + *(sline + bits) = second_byte; + bits++; + } else { + bContinue = FALSE; //don't delete: we are in memory, it is not as with files + break; + } + } + } + } + } + break; + default : + { + // "compression type not supported"; + GlobalUnlock(hMem); + return false; + } + } + } + } + } else { + //normal bitmap (not compressed) + memcpy(pDib,lpVoid,GetSize()); + } + + GlobalUnlock(hMem); + + if (bTopDownDib) Flip(); + + return true; + } + return false; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Transfer the image in a icon handle, with transparency. + * \param hdc: target device context (the screen, usually) + * \param bTransparency : (optional) exports trancparency + * \return icon handle, or NULL if an error occurs. + * \sa MakeBitmap + * \author [brunom] + */ +HICON CxImage::MakeIcon(HDC hdc, bool bTransparency) +{ + HICON hDestIcon = 0; + + ICONINFO csDest; + + csDest.fIcon = TRUE; + csDest.xHotspot = 0; + csDest.yHotspot = 0; + + // Assign HBITMAP with Transparency to ICON Info structure + csDest.hbmColor = MakeBitmap( hdc, bTransparency ); + + // Create Mask just in case we need a Mask for the Icons + CxImage a_Mask; + GetTransparentMask(&a_Mask); + + // Assign Mask + csDest.hbmMask = a_Mask.MakeBitmap(); + + // Create Icon + hDestIcon = ::CreateIconIndirect(&csDest); + + return hDestIcon; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Transfer the image in a bitmap handle + * \param hdc: target device context (the screen, usually) + * \param bTransparency : (optional) exports trancparency + * \return bitmap handle, or NULL if an error occurs. + * \sa Draw2HBITMAP, MakeIcon + * \author []; changes [brunom] + */ +HBITMAP CxImage::MakeBitmap(HDC hdc, bool bTransparency) +{ + if (!pDib) + return NULL; + + // Create HBITMAP with Trancparency + if( (pAlpha!=0) && bTransparency ) + { + HDC hMemDC; + if (hdc) + hMemDC = hdc; + else + hMemDC = CreateCompatibleDC(NULL); + + BITMAPINFO bi; + + // Fill in the BITMAPINFOHEADER + bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); + bi.bmiHeader.biWidth = GetWidth(); + bi.bmiHeader.biHeight = GetHeight(); + bi.bmiHeader.biPlanes = 1; + bi.bmiHeader.biBitCount = 32; + bi.bmiHeader.biCompression = BI_RGB; + bi.bmiHeader.biSizeImage = 4 * GetWidth() * GetHeight(); + bi.bmiHeader.biXPelsPerMeter = 0; + bi.bmiHeader.biYPelsPerMeter = 0; + bi.bmiHeader.biClrUsed = 0; + bi.bmiHeader.biClrImportant = 0; + + COLORREF* pCrBits = NULL; + HBITMAP hbmp = CreateDIBSection ( + hMemDC, &bi, DIB_RGB_COLORS, (void **)&pCrBits, + NULL, NULL); + + if (!hdc) + DeleteDC(hMemDC); + + DIBSECTION ds; + if (::GetObject (hbmp, sizeof (DIBSECTION), &ds) == 0) + { + return 0; + } + + // transfer Pixels from CxImage to Bitmap + RGBQUAD* pBit = (RGBQUAD*) ds.dsBm.bmBits; + int32_t lPx,lPy; + for( lPy=0 ; lPy < bi.bmiHeader.biHeight ; ++lPy ) + { + for( lPx=0 ; lPx < bi.bmiHeader.biWidth ; ++lPx ) + { + RGBQUAD lPixel = GetPixelColor(lPx,lPy,true); + *pBit = lPixel; + pBit++; + } + } + + return hbmp; + } + + // Create HBITMAP without Trancparency + if (!hdc){ + // this call to CreateBitmap doesn't create a DIB + // // Create a device-independent bitmap + // return CreateBitmap(head.biWidth,head.biHeight, 1, head.biBitCount, GetBits()); + // use instead this code + HDC hMemDC = CreateCompatibleDC(NULL); + LPVOID pBit32; + HBITMAP bmp = CreateDIBSection(hMemDC,(LPBITMAPINFO)pDib,DIB_RGB_COLORS, &pBit32, NULL, 0); + if (pBit32) memcpy(pBit32, GetBits(), head.biSizeImage); + DeleteDC(hMemDC); + return bmp; + } + + // this single line seems to work very well + //HBITMAP bmp = CreateDIBitmap(hdc, (LPBITMAPINFOHEADER)pDib, CBM_INIT, + // GetBits(), (LPBITMAPINFO)pDib, DIB_RGB_COLORS); + // this alternative works also with _WIN32_WCE + LPVOID pBit32; + HBITMAP bmp = CreateDIBSection(hdc, (LPBITMAPINFO)pDib, DIB_RGB_COLORS, &pBit32, NULL, 0); + if (pBit32) memcpy(pBit32, GetBits(), head.biSizeImage); + + return bmp; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * check if the bitmap contains transparency data + * \param hbmp : bitmap resource handle + * \return true the bitmap has transparency + * \author [brunom] + */ +bool CxImage::IsHBITMAPAlphaValid( HBITMAP hbmp ) +{ + bool lbAlphaValid = false; + if (hbmp) + { + BITMAP bm; + // get informations about the bitmap + GetObject(hbmp, sizeof(BITMAP), (LPSTR) &bm); + + // for alpha there must bee 32 Bit's per Pixel ?? + if( bm.bmBitsPixel == 32 ) + { + BITMAPINFO l_BitmapInfo; + l_BitmapInfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); + l_BitmapInfo.bmiHeader.biWidth = bm.bmWidth; + l_BitmapInfo.bmiHeader.biHeight = bm.bmHeight; + l_BitmapInfo.bmiHeader.biPlanes = bm.bmPlanes; + l_BitmapInfo.bmiHeader.biBitCount = bm.bmBitsPixel; + l_BitmapInfo.bmiHeader.biCompression = BI_RGB; + + // create Buffer for Image + RGBQUAD * l_pRawBytes = new RGBQUAD[bm.bmWidth * bm.bmHeight]; + + HDC dc = ::GetDC(NULL); + + if(dc) + { + // Get Pixel Data from Image + if(GetDIBits(dc, hbmp, 0, bm.bmHeight, l_pRawBytes, &l_BitmapInfo, DIB_RGB_COLORS)) + { + RGBQUAD * lpArray = l_pRawBytes; + RGBQUAD * lpArrayEnd = l_pRawBytes + (bm.bmWidth * bm.bmHeight); + + // check if Alpha Channel is realy valid (anny value not zero) + for( ;lpArray != lpArrayEnd ; ++lpArray ) + { + // any alpha value not zero + if( lpArray->rgbReserved != 0 ) + { + // must be vaid alph channel + lbAlphaValid = true; + break; + } + } + } + ::ReleaseDC(NULL, dc); + } + // free temporary Memory + delete [] l_pRawBytes; + } + } + + return lbAlphaValid; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Bitmap resource constructor + * \param hbmp : bitmap resource handle + * \param hpal : (optional) palette, useful for 8bpp DC + * \param bTransparency : (optional) for 32bpp images only, imports trancparency + * \return true if everything is ok + * \author []; changes [brunom] + */ +bool CxImage::CreateFromHBITMAP(HBITMAP hbmp, HPALETTE hpal, bool bTransparency) +{ + if (!Destroy()) + return false; + + if (hbmp) { + BITMAP bm; + // get informations about the bitmap + GetObject(hbmp, sizeof(BITMAP), (LPSTR) &bm); + + // Transparency in HBITMAP + if(bTransparency && IsHBITMAPAlphaValid(hbmp)) + { + bool l_bResult = true; + + BITMAPINFO l_BitmapInfo; + l_BitmapInfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); + l_BitmapInfo.bmiHeader.biWidth = bm.bmWidth; + l_BitmapInfo.bmiHeader.biHeight = bm.bmHeight; + l_BitmapInfo.bmiHeader.biPlanes = bm.bmPlanes; + l_BitmapInfo.bmiHeader.biBitCount = bm.bmBitsPixel; + l_BitmapInfo.bmiHeader.biCompression = BI_RGB; + + RGBQUAD *l_pRawBytes = new RGBQUAD[bm.bmWidth * bm.bmHeight]; + + HDC dc = ::GetDC(NULL); + + if(dc) + { + if(GetDIBits(dc, hbmp, 0, bm.bmHeight, l_pRawBytes, &l_BitmapInfo, DIB_RGB_COLORS)) + l_bResult = CreateFromArray((uint8_t*)l_pRawBytes, bm.bmWidth, bm.bmHeight, bm.bmBitsPixel, bm.bmWidthBytes, false); + else + l_bResult = false; + + ::ReleaseDC(NULL, dc); + } + else + l_bResult = false; + + delete [] l_pRawBytes; + + return l_bResult; + } + else + { + // create the image + if (!Create(bm.bmWidth, bm.bmHeight, bm.bmBitsPixel, 0)) + return false; + // create a device context for the bitmap + HDC dc = ::GetDC(NULL); + if (!dc) + return false; + + if (hpal){ + SelectObject(dc,hpal); //the palette you should get from the user or have a stock one + RealizePalette(dc); + } + + // copy the pixels + if (GetDIBits(dc, hbmp, 0, head.biHeight, info.pImage, + (LPBITMAPINFO)pDib, DIB_RGB_COLORS) == 0){ //replace &head with pDib + strcpy(info.szLastError,"GetDIBits failed"); + ::ReleaseDC(NULL, dc); + return false; + } + ::ReleaseDC(NULL, dc); + return true; + } + } + return false; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * icon resource constructor + * \param hico : icon resource handle + * \param bTransparency : (optional) for 32bpp images only, imports trancparency + * \return true if everything is ok + * \author []; changes [Arlen Albert Keshabian], [brunom] + */ +#if !defined (_WIN32_WCE) +bool CxImage::CreateFromHICON(HICON hico, bool bTransparency) +{ + if (!Destroy() || !hico) + return false; + + bool l_bResult = true; + + ICONINFO iinfo; + GetIconInfo(hico,&iinfo); + + //BITMAP l_Bitmap; + //GetObject(iinfo.hbmColor, sizeof(BITMAP), &l_Bitmap); + + l_bResult = CreateFromHBITMAP( iinfo.hbmColor, NULL, bTransparency ); + +#if CXIMAGE_SUPPORT_ALPHA + if(l_bResult && ((!IsHBITMAPAlphaValid(iinfo.hbmColor)) || (!bTransparency)) ) + { + CxImage mask; + mask.CreateFromHBITMAP(iinfo.hbmMask); + mask.GrayScale(); + mask.Negative(); + AlphaSet(mask); + } +#endif + + DeleteObject(iinfo.hbmColor); // + DeleteObject(iinfo.hbmMask); // + + return l_bResult; +} +#endif //_WIN32_WCE +//////////////////////////////////////////////////////////////////////////////// +int32_t CxImage::Draw(HDC hdc, const RECT& rect, RECT* pClipRect, bool bSmooth, bool bFlipY) +{ + return Draw(hdc, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, pClipRect,bSmooth, bFlipY); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Draws the image in the specified device context, with support for alpha channel, alpha palette, transparency, opacity. + * \param hdc : destination device context + * \param x,y : (optional) offset + * \param cx,cy : (optional) size. + * - If cx or cy are not specified (or less than 0), the normal width or height will be used + * - If cx or cy are different than width or height, the image will be stretched + * + * \param pClipRect : limit the drawing operations inside a given rectangle in the output device context. + * \param bSmooth : activates a bilinear filter that will enhance the appearence for zommed pictures. + * Quite slow. Needs CXIMAGE_SUPPORT_INTERPOLATION. + * \param bFlipY : draws a mirror image along the y-axis + * \return true if everything is ok + */ +int32_t CxImage::Draw(HDC hdc, int32_t x, int32_t y, int32_t cx, int32_t cy, RECT* pClipRect, bool bSmooth, bool bFlipY) +{ + if((pDib==0)||(hdc==0)||(cx==0)||(cy==0)||(!info.bEnabled)) return 0; + + if (cx < 0) cx = head.biWidth; + if (cy < 0) cy = head.biHeight; + bool bTransparent = info.nBkgndIndex >= 0; + bool bAlpha = pAlpha != 0; + + //required for MM_ANISOTROPIC, MM_HIENGLISH, and similar modes [Greg Peatfield] + int32_t hdc_Restore = ::SaveDC(hdc); + if (!hdc_Restore) + return 0; + +#if !defined (_WIN32_WCE) + RECT mainbox; // (experimental) + if (pClipRect){ + GetClipBox(hdc,&mainbox); + HRGN rgn = CreateRectRgnIndirect(pClipRect); + ExtSelectClipRgn(hdc,rgn,RGN_AND); + DeleteObject(rgn); + } +#endif + + //find the smallest area to paint + RECT clipbox,paintbox; + GetClipBox(hdc,&clipbox); + + paintbox.top = min(clipbox.bottom,max(clipbox.top,y)); + paintbox.left = min(clipbox.right,max(clipbox.left,x)); + paintbox.right = max(clipbox.left,min(clipbox.right,x+cx)); + paintbox.bottom = max(clipbox.top,min(clipbox.bottom,y+cy)); + + int32_t destw = paintbox.right - paintbox.left; + int32_t desth = paintbox.bottom - paintbox.top; + + if (!(bTransparent || bAlpha || info.bAlphaPaletteEnabled)){ + if (cx==head.biWidth && cy==head.biHeight){ //NORMAL +#if !defined (_WIN32_WCE) + SetStretchBltMode(hdc,COLORONCOLOR); +#endif + if (bFlipY){ + StretchDIBits(hdc, x, y+cy-1, + cx, -cy, 0, 0, cx, cy, + info.pImage,(BITMAPINFO*)pDib,DIB_RGB_COLORS,SRCCOPY); + } else { + SetDIBitsToDevice(hdc, x, y, cx, cy, 0, 0, 0, cy, + info.pImage,(BITMAPINFO*)pDib,DIB_RGB_COLORS); + } + } else { //STRETCH + //pixel informations + RGBQUAD c={0,0,0,0}; + //Preparing Bitmap Info + BITMAPINFO bmInfo; + memset(&bmInfo.bmiHeader,0,sizeof(BITMAPINFOHEADER)); + bmInfo.bmiHeader.biSize=sizeof(BITMAPINFOHEADER); + bmInfo.bmiHeader.biWidth=destw; + bmInfo.bmiHeader.biHeight=desth; + bmInfo.bmiHeader.biPlanes=1; + bmInfo.bmiHeader.biBitCount=24; + uint8_t *pbase; //points to the final dib + uint8_t *pdst; //current pixel from pbase + uint8_t *ppix; //current pixel from image + //get the background + HDC TmpDC=CreateCompatibleDC(hdc); + HBITMAP TmpBmp=CreateDIBSection(hdc,&bmInfo,DIB_RGB_COLORS,(void**)&pbase,0,0); + HGDIOBJ TmpObj=SelectObject(TmpDC,TmpBmp); + + if (pbase){ + int32_t xx,yy; + int32_t sx,sy; + float dx,dy; + uint8_t *psrc; + + int32_t ew = ((((24 * destw) + 31) / 32) * 4); + int32_t ymax = paintbox.bottom; + int32_t xmin = paintbox.left; + float fx=(float)head.biWidth/(float)cx; + float fy=(float)head.biHeight/(float)cy; + + for(yy=0;yy 1 && fy > 1) { + c = GetAreaColorInterpolated(dx - 0.5f, dy - 0.5f, fx, fy, CxImage::IM_BILINEAR, CxImage::OM_REPEAT); + } else { + c = GetPixelColorInterpolated(dx - 0.5f, dy - 0.5f, CxImage::IM_BILINEAR, CxImage::OM_REPEAT); + } + } else +#endif //CXIMAGE_SUPPORT_INTERPOLATION + { + if (head.biClrUsed){ + c=GetPaletteColor(GetPixelIndex(sx,sy)); + } else { + ppix = psrc + sx*3; + c.rgbBlue = *ppix++; + c.rgbGreen= *ppix++; + c.rgbRed = *ppix; + } + } + *pdst++=c.rgbBlue; + *pdst++=c.rgbGreen; + *pdst++=c.rgbRed; + } + } + } + //paint the image & cleanup + SetDIBitsToDevice(hdc,paintbox.left,paintbox.top,destw,desth,0,0,0,desth,pbase,&bmInfo,0); + DeleteObject(SelectObject(TmpDC,TmpObj)); + DeleteDC(TmpDC); + } + } else { // draw image with transparent/alpha blending + ////////////////////////////////////////////////////////////////// + //Alpha blend - Thanks to Florian Egel + + //pixel informations + RGBQUAD c={0,0,0,0}; + RGBQUAD ct = GetTransColor(); + int32_t* pc = (int32_t*)&c; + int32_t* pct= (int32_t*)&ct; + int32_t cit = GetTransIndex(); + int32_t ci = 0; + + //Preparing Bitmap Info + BITMAPINFO bmInfo; + memset(&bmInfo.bmiHeader,0,sizeof(BITMAPINFOHEADER)); + bmInfo.bmiHeader.biSize=sizeof(BITMAPINFOHEADER); + bmInfo.bmiHeader.biWidth=destw; + bmInfo.bmiHeader.biHeight=desth; + bmInfo.bmiHeader.biPlanes=1; + bmInfo.bmiHeader.biBitCount=24; + + uint8_t *pbase; //points to the final dib + uint8_t *pdst; //current pixel from pbase + uint8_t *ppix; //current pixel from image + + //get the background + HDC TmpDC=CreateCompatibleDC(hdc); + HBITMAP TmpBmp=CreateDIBSection(hdc,&bmInfo,DIB_RGB_COLORS,(void**)&pbase,0,0); + HGDIOBJ TmpObj=SelectObject(TmpDC,TmpBmp); + BitBlt(TmpDC,0,0,destw,desth,hdc,paintbox.left,paintbox.top,SRCCOPY); + + if (pbase){ + int32_t xx,yy,alphaoffset,ix,iy; + uint8_t a,a1,*psrc; + int32_t ew = ((((24 * destw) + 31) / 32) * 4); + int32_t ymax = paintbox.bottom; + int32_t xmin = paintbox.left; + + if (cx!=head.biWidth || cy!=head.biHeight){ + //STRETCH + float fx=(float)head.biWidth/(float)cx; + float fy=(float)head.biHeight/(float)cy; + float dx,dy; + int32_t sx,sy; + + for(yy=0;yy>8); + + if (head.biClrUsed){ + ci = GetPixelIndex(sx,sy); +#if CXIMAGE_SUPPORT_INTERPOLATION + if (bSmooth){ + if (fx > 1 && fy > 1) { + c = GetAreaColorInterpolated(dx - 0.5f, dy - 0.5f, fx, fy, CxImage::IM_BILINEAR, CxImage::OM_REPEAT); + } else { + c = GetPixelColorInterpolated(dx - 0.5f, dy - 0.5f, CxImage::IM_BILINEAR, CxImage::OM_REPEAT); + } + } else +#endif //CXIMAGE_SUPPORT_INTERPOLATION + { + c = GetPaletteColor(GetPixelIndex(sx,sy)); + } + if (info.bAlphaPaletteEnabled){ + a = (uint8_t)((a*(1+c.rgbReserved))>>8); + } + } else { +#if CXIMAGE_SUPPORT_INTERPOLATION + if (bSmooth){ + if (fx > 1 && fy > 1) { + c = GetAreaColorInterpolated(dx - 0.5f, dy - 0.5f, fx, fy, CxImage::IM_BILINEAR, CxImage::OM_REPEAT); + } else { + c = GetPixelColorInterpolated(dx - 0.5f, dy - 0.5f, CxImage::IM_BILINEAR, CxImage::OM_REPEAT); + } + } else +#endif //CXIMAGE_SUPPORT_INTERPOLATION + { + ppix = psrc + sx*3; + c.rgbBlue = *ppix++; + c.rgbGreen= *ppix++; + c.rgbRed = *ppix; + } + } + //if (*pc!=*pct || !bTransparent){ + //if ((head.biClrUsed && ci!=cit) || ((!head.biClrUsed||bSmooth) && *pc!=*pct) || !bTransparent){ + if ((head.biClrUsed && ci!=cit) || (!head.biClrUsed && *pc!=*pct) || !bTransparent){ + // DJT, assume many pixels are fully transparent or opaque and thus avoid multiplication + if (a == 0) { // Transparent, retain dest + pdst+=3; + } else if (a == 255) { // opaque, ignore dest + *pdst++= c.rgbBlue; + *pdst++= c.rgbGreen; + *pdst++= c.rgbRed; + } else { // semi transparent + a1=(uint8_t)~a; + *pdst++=(uint8_t)((*pdst * a1 + a * c.rgbBlue)>>8); + *pdst++=(uint8_t)((*pdst * a1 + a * c.rgbGreen)>>8); + *pdst++=(uint8_t)((*pdst * a1 + a * c.rgbRed)>>8); + } + } else { + pdst+=3; + } + } + } + } else { + //NORMAL + iy=head.biHeight-ymax+y; + for(yy=0;yy>8); + + if (head.biClrUsed){ + ci = GetPixelIndex(ix,iy); + c = GetPaletteColor((uint8_t)ci); + if (info.bAlphaPaletteEnabled){ + a = (uint8_t)((a*(1+c.rgbReserved))>>8); + } + } else { + c.rgbBlue = *ppix++; + c.rgbGreen= *ppix++; + c.rgbRed = *ppix++; + } + + //if (*pc!=*pct || !bTransparent){ + if ((head.biClrUsed && ci!=cit) || (!head.biClrUsed && *pc!=*pct) || !bTransparent){ + // DJT, assume many pixels are fully transparent or opaque and thus avoid multiplication + if (a == 0) { // Transparent, retain dest + pdst+=3; + } else if (a == 255) { // opaque, ignore dest + *pdst++= c.rgbBlue; + *pdst++= c.rgbGreen; + *pdst++= c.rgbRed; + } else { // semi transparent + a1=(uint8_t)~a; + *pdst++=(uint8_t)((*pdst * a1 + a * c.rgbBlue)>>8); + *pdst++=(uint8_t)((*pdst * a1 + a * c.rgbGreen)>>8); + *pdst++=(uint8_t)((*pdst * a1 + a * c.rgbRed)>>8); + } + } else { + pdst+=3; + } + } + } + } + } + //paint the image & cleanup + SetDIBitsToDevice(hdc,paintbox.left,paintbox.top,destw,desth,0,0,0,desth,pbase,&bmInfo,0); + DeleteObject(SelectObject(TmpDC,TmpObj)); + DeleteDC(TmpDC); + } + +#if !defined (_WIN32_WCE) + if (pClipRect){ // (experimental) + HRGN rgn = CreateRectRgnIndirect(&mainbox); + ExtSelectClipRgn(hdc,rgn,RGN_OR); + DeleteObject(rgn); + } +#endif + + ::RestoreDC(hdc,hdc_Restore); + return 1; +} + +//////////////////////////////////////////////////////////////////////////////// +/** + * renders the image into a HBITMAP handle + * \param hdc : destination device context + * \param x,y : (optional) offset + * \param cx,cy : (optional) size. + * - If cx or cy are not specified (or less than 0), the normal width or height will be used + * - If cx or cy are different than width or height, the image will be stretched + * \param pClipRect : limit the drawing operations inside a given rectangle in the output device context. + * \param bSmooth : activates a bilinear filter that will enhance the appearence for zommed pictures. + * Quite slow. Needs CXIMAGE_SUPPORT_INTERPOLATION. + * \return HBITMAP handle, NULL in case of error + * \sa MakeBitmap + */ +HBITMAP CxImage::Draw2HBITMAP(HDC hdc, int32_t x, int32_t y, int32_t cx, int32_t cy, RECT* pClipRect, bool bSmooth) +{ + if((pDib==0)||(hdc==0)||(cx==0)||(cy==0)||(!info.bEnabled)) return 0; + + if (cx < 0) cx = head.biWidth; + if (cy < 0) cy = head.biHeight; + bool bTransparent = info.nBkgndIndex >= 0; + bool bAlpha = pAlpha != 0; + + //required for MM_ANISOTROPIC, MM_HIENGLISH, and similar modes [Greg Peatfield] + int32_t hdc_Restore = ::SaveDC(hdc); + if (!hdc_Restore) + return 0; + +#if !defined (_WIN32_WCE) + RECT mainbox; // (experimental) + if (pClipRect){ + GetClipBox(hdc,&mainbox); + HRGN rgn = CreateRectRgnIndirect(pClipRect); + ExtSelectClipRgn(hdc,rgn,RGN_AND); + DeleteObject(rgn); + } +#endif + + HBITMAP TmpBmp; + + //find the smallest area to paint + RECT clipbox,paintbox; + GetClipBox(hdc,&clipbox); + + paintbox.top = min(clipbox.bottom,max(clipbox.top,y)); + paintbox.left = min(clipbox.right,max(clipbox.left,x)); + paintbox.right = max(clipbox.left,min(clipbox.right,x+cx)); + paintbox.bottom = max(clipbox.top,min(clipbox.bottom,y+cy)); + + int32_t destw = paintbox.right - paintbox.left; + int32_t desth = paintbox.bottom - paintbox.top; + + if (!(bTransparent || bAlpha || info.bAlphaPaletteEnabled)){ + if (cx==head.biWidth && cy==head.biHeight){ //NORMAL +#if !defined (_WIN32_WCE) + SetStretchBltMode(hdc,COLORONCOLOR); +#endif + SetDIBitsToDevice(hdc, x, y, cx, cy, 0, 0, 0, cy, + info.pImage,(BITMAPINFO*)pDib,DIB_RGB_COLORS); + } else { //STRETCH + //pixel informations + RGBQUAD c={0,0,0,0}; + //Preparing Bitmap Info + BITMAPINFO bmInfo; + memset(&bmInfo.bmiHeader,0,sizeof(BITMAPINFOHEADER)); + bmInfo.bmiHeader.biSize=sizeof(BITMAPINFOHEADER); + bmInfo.bmiHeader.biWidth=destw; + bmInfo.bmiHeader.biHeight=desth; + bmInfo.bmiHeader.biPlanes=1; + bmInfo.bmiHeader.biBitCount=24; + uint8_t *pbase; //points to the final dib + uint8_t *pdst; //current pixel from pbase + uint8_t *ppix; //current pixel from image + //get the background + HDC TmpDC=CreateCompatibleDC(hdc); + TmpBmp=CreateDIBSection(hdc,&bmInfo,DIB_RGB_COLORS,(void**)&pbase,0,0); + HGDIOBJ TmpObj=SelectObject(TmpDC,TmpBmp); + + if (pbase){ + int32_t xx,yy; + int32_t sx,sy; + float dx,dy; + uint8_t *psrc; + + int32_t ew = ((((24 * destw) + 31) / 32) * 4); + int32_t ymax = paintbox.bottom; + int32_t xmin = paintbox.left; + float fx=(float)head.biWidth/(float)cx; + float fy=(float)head.biHeight/(float)cy; + + for(yy=0;yy 1 && fy > 1) { + c = GetAreaColorInterpolated(dx - 0.5f, dy - 0.5f, fx, fy, CxImage::IM_BILINEAR, CxImage::OM_REPEAT); + } else { + c = GetPixelColorInterpolated(dx - 0.5f, dy - 0.5f, CxImage::IM_BILINEAR, CxImage::OM_REPEAT); + } + } else +#endif //CXIMAGE_SUPPORT_INTERPOLATION + { + if (head.biClrUsed){ + c=GetPaletteColor(GetPixelIndex(sx,sy)); + } else { + ppix = psrc + sx*3; + c.rgbBlue = *ppix++; + c.rgbGreen= *ppix++; + c.rgbRed = *ppix; + } + } + *pdst++=c.rgbBlue; + *pdst++=c.rgbGreen; + *pdst++=c.rgbRed; + } + } + } + //cleanup + SelectObject(TmpDC,TmpObj); + DeleteDC(TmpDC); + } + } else { // draw image with transparent/alpha blending + ////////////////////////////////////////////////////////////////// + //Alpha blend - Thanks to Florian Egel + + //pixel informations + RGBQUAD c={0,0,0,0}; + RGBQUAD ct = GetTransColor(); + int32_t* pc = (int32_t*)&c; + int32_t* pct= (int32_t*)&ct; + int32_t cit = GetTransIndex(); + int32_t ci = 0; + + //Preparing Bitmap Info + BITMAPINFO bmInfo; + memset(&bmInfo.bmiHeader,0,sizeof(BITMAPINFOHEADER)); + bmInfo.bmiHeader.biSize=sizeof(BITMAPINFOHEADER); + bmInfo.bmiHeader.biWidth=destw; + bmInfo.bmiHeader.biHeight=desth; + bmInfo.bmiHeader.biPlanes=1; + bmInfo.bmiHeader.biBitCount=24; + + uint8_t *pbase; //points to the final dib + uint8_t *pdst; //current pixel from pbase + uint8_t *ppix; //current pixel from image + + //get the background + HDC TmpDC=CreateCompatibleDC(hdc); + TmpBmp=CreateDIBSection(hdc,&bmInfo,DIB_RGB_COLORS,(void**)&pbase,0,0); + HGDIOBJ TmpObj=SelectObject(TmpDC,TmpBmp); + BitBlt(TmpDC,0,0,destw,desth,hdc,paintbox.left,paintbox.top,SRCCOPY); + + if (pbase){ + int32_t xx,yy,alphaoffset,ix,iy; + uint8_t a,a1,*psrc; + int32_t ew = ((((24 * destw) + 31) / 32) * 4); + int32_t ymax = paintbox.bottom; + int32_t xmin = paintbox.left; + + if (cx!=head.biWidth || cy!=head.biHeight){ + //STRETCH + float fx=(float)head.biWidth/(float)cx; + float fy=(float)head.biHeight/(float)cy; + float dx,dy; + int32_t sx,sy; + + for(yy=0;yy>8); + + if (head.biClrUsed){ + ci = GetPixelIndex(sx,sy); +#if CXIMAGE_SUPPORT_INTERPOLATION + if (bSmooth){ + if (fx > 1 && fy > 1) { + c = GetAreaColorInterpolated(dx - 0.5f, dy - 0.5f, fx, fy, CxImage::IM_BILINEAR, CxImage::OM_REPEAT); + } else { + c = GetPixelColorInterpolated(dx - 0.5f, dy - 0.5f, CxImage::IM_BILINEAR, CxImage::OM_REPEAT); + } + } else +#endif //CXIMAGE_SUPPORT_INTERPOLATION + { + c = GetPaletteColor(GetPixelIndex(sx,sy)); + } + if (info.bAlphaPaletteEnabled){ + a = (uint8_t)((a*(1+c.rgbReserved))>>8); + } + } else { +#if CXIMAGE_SUPPORT_INTERPOLATION + if (bSmooth){ + if (fx > 1 && fy > 1) { + c = GetAreaColorInterpolated(dx - 0.5f, dy - 0.5f, fx, fy, CxImage::IM_BILINEAR, CxImage::OM_REPEAT); + } else { + c = GetPixelColorInterpolated(dx - 0.5f, dy - 0.5f, CxImage::IM_BILINEAR, CxImage::OM_REPEAT); + } + } else +#endif //CXIMAGE_SUPPORT_INTERPOLATION + { + ppix = psrc + sx*3; + c.rgbBlue = *ppix++; + c.rgbGreen= *ppix++; + c.rgbRed = *ppix; + } + } + //if (*pc!=*pct || !bTransparent){ + //if ((head.biClrUsed && ci!=cit) || ((!head.biClrUsed||bSmooth) && *pc!=*pct) || !bTransparent){ + if ((head.biClrUsed && ci!=cit) || (!head.biClrUsed && *pc!=*pct) || !bTransparent){ + // DJT, assume many pixels are fully transparent or opaque and thus avoid multiplication + if (a == 0) { // Transparent, retain dest + pdst+=3; + } else if (a == 255) { // opaque, ignore dest + *pdst++= c.rgbBlue; + *pdst++= c.rgbGreen; + *pdst++= c.rgbRed; + } else { // semi transparent + a1=(uint8_t)~a; + *pdst++=(uint8_t)((*pdst * a1 + a * c.rgbBlue)>>8); + *pdst++=(uint8_t)((*pdst * a1 + a * c.rgbGreen)>>8); + *pdst++=(uint8_t)((*pdst * a1 + a * c.rgbRed)>>8); + } + } else { + pdst+=3; + } + } + } + } else { + //NORMAL + iy=head.biHeight-ymax+y; + for(yy=0;yy>8); + + if (head.biClrUsed){ + ci = GetPixelIndex(ix,iy); + c = GetPaletteColor((uint8_t)ci); + if (info.bAlphaPaletteEnabled){ + a = (uint8_t)((a*(1+c.rgbReserved))>>8); + } + } else { + c.rgbBlue = *ppix++; + c.rgbGreen= *ppix++; + c.rgbRed = *ppix++; + } + + //if (*pc!=*pct || !bTransparent){ + if ((head.biClrUsed && ci!=cit) || (!head.biClrUsed && *pc!=*pct) || !bTransparent){ + // DJT, assume many pixels are fully transparent or opaque and thus avoid multiplication + if (a == 0) { // Transparent, retain dest + pdst+=3; + } else if (a == 255) { // opaque, ignore dest + *pdst++= c.rgbBlue; + *pdst++= c.rgbGreen; + *pdst++= c.rgbRed; + } else { // semi transparent + a1=(uint8_t)~a; + *pdst++=(uint8_t)((*pdst * a1 + a * c.rgbBlue)>>8); + *pdst++=(uint8_t)((*pdst * a1 + a * c.rgbGreen)>>8); + *pdst++=(uint8_t)((*pdst * a1 + a * c.rgbRed)>>8); + } + } else { + pdst+=3; + } + } + } + } + } + //cleanup + SelectObject(TmpDC,TmpObj); + DeleteDC(TmpDC); + } + +#if !defined (_WIN32_WCE) + if (pClipRect){ // (experimental) + HRGN rgn = CreateRectRgnIndirect(&mainbox); + ExtSelectClipRgn(hdc,rgn,RGN_OR); + DeleteObject(rgn); + } +#endif + + ::RestoreDC(hdc,hdc_Restore); + return TmpBmp; +} + +//////////////////////////////////////////////////////////////////////////////// +int32_t CxImage::Draw2(HDC hdc, const RECT& rect) +{ + return Draw2(hdc, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Draws (stretch) the image with single transparency support + * \param hdc : destination device context + * \param x,y : (optional) offset + * \param cx,cy : (optional) size. + * - If cx or cy are not specified (or less than 0), the normal width or height will be used + * - If cx or cy are different than width or height, the image will be stretched + * + * \return true if everything is ok + */ +int32_t CxImage::Draw2(HDC hdc, int32_t x, int32_t y, int32_t cx, int32_t cy) +{ + if((pDib==0)||(hdc==0)||(cx==0)||(cy==0)||(!info.bEnabled)) return 0; + if (cx < 0) cx = head.biWidth; + if (cy < 0) cy = head.biHeight; + bool bTransparent = (info.nBkgndIndex >= 0); + + //required for MM_ANISOTROPIC, MM_HIENGLISH, and similar modes [Greg Peatfield] + int32_t hdc_Restore = ::SaveDC(hdc); + if (!hdc_Restore) + return 0; + + if (!bTransparent){ +#if !defined (_WIN32_WCE) + SetStretchBltMode(hdc,COLORONCOLOR); +#endif + StretchDIBits(hdc, x, y, cx, cy, 0, 0, head.biWidth, head.biHeight, + info.pImage,(BITMAPINFO*)pDib, DIB_RGB_COLORS,SRCCOPY); + } else { + // draw image with transparent background + const int32_t safe = 0; // or else GDI fails in the following - sometimes + RECT rcDst = {x+safe, y+safe, x+cx, y+cy}; + if (RectVisible(hdc, &rcDst)){ + ///////////////////////////////////////////////////////////////// + // True Mask Method - Thanks to Paul Reynolds and Ron Gery + int32_t nWidth = head.biWidth; + int32_t nHeight = head.biHeight; + // Create two memory dcs for the image and the mask + HDC dcImage=CreateCompatibleDC(hdc); + HDC dcTrans=CreateCompatibleDC(hdc); + // Select the image into the appropriate dc + HBITMAP bm = CreateCompatibleBitmap(hdc, nWidth, nHeight); + HBITMAP pOldBitmapImage = (HBITMAP)SelectObject(dcImage,bm); +#if !defined (_WIN32_WCE) + SetStretchBltMode(dcImage,COLORONCOLOR); +#endif + StretchDIBits(dcImage, 0, 0, nWidth, nHeight, 0, 0, nWidth, nHeight, + info.pImage,(BITMAPINFO*)pDib,DIB_RGB_COLORS,SRCCOPY); + + // Create the mask bitmap + HBITMAP bitmapTrans = CreateBitmap(nWidth, nHeight, 1, 1, NULL); + // Select the mask bitmap into the appropriate dc + HBITMAP pOldBitmapTrans = (HBITMAP)SelectObject(dcTrans, bitmapTrans); + // Build mask based on transparent colour + RGBQUAD rgbBG; + if (head.biBitCount<24) rgbBG = GetPaletteColor((uint8_t)info.nBkgndIndex); + else rgbBG = info.nBkgndColor; + COLORREF crColour = RGB(rgbBG.rgbRed, rgbBG.rgbGreen, rgbBG.rgbBlue); + COLORREF crOldBack = SetBkColor(dcImage,crColour); + BitBlt(dcTrans,0, 0, nWidth, nHeight, dcImage, 0, 0, SRCCOPY); + + // Do the work - True Mask method - cool if not actual display + StretchBlt(hdc,x, y,cx,cy, dcImage, 0, 0, nWidth, nHeight, SRCINVERT); + StretchBlt(hdc,x, y,cx,cy, dcTrans, 0, 0, nWidth, nHeight, SRCAND); + StretchBlt(hdc,x, y,cx,cy, dcImage, 0, 0, nWidth, nHeight, SRCINVERT); + + // Restore settings + SelectObject(dcImage,pOldBitmapImage); + SelectObject(dcTrans,pOldBitmapTrans); + SetBkColor(hdc,crOldBack); + DeleteObject( bitmapTrans ); // RG 29/01/2002 + DeleteDC(dcImage); + DeleteDC(dcTrans); + DeleteObject(bm); + } + } + ::RestoreDC(hdc,hdc_Restore); + return 1; +} +//////////////////////////////////////////////////////////////////////////////// +int32_t CxImage::Stretch(HDC hdc, const RECT& rect, uint32_t dwRop) +{ + return Stretch(hdc, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, dwRop); +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Stretch the image. Obsolete: use Draw() or Draw2() + * \param hdc : destination device context + * \param xoffset,yoffset : (optional) offset + * \param xsize,ysize : size. + * \param dwRop : raster operation code (see BitBlt documentation) + * \return true if everything is ok + */ +int32_t CxImage::Stretch(HDC hdc, int32_t xoffset, int32_t yoffset, int32_t xsize, int32_t ysize, uint32_t dwRop) +{ + if((pDib)&&(hdc)) { + //palette must be correctly filled +#if !defined (_WIN32_WCE) + SetStretchBltMode(hdc,COLORONCOLOR); +#endif + StretchDIBits(hdc, xoffset, yoffset, + xsize, ysize, 0, 0, head.biWidth, head.biHeight, + info.pImage,(BITMAPINFO*)pDib,DIB_RGB_COLORS,dwRop); + return 1; + } + return 0; +} +//////////////////////////////////////////////////////////////////////////////// +/** + * Tiles the device context in the specified rectangle with the image. + * \param hdc : destination device context + * \param rc : tiled rectangle in the output device context + * \return true if everything is ok + */ +int32_t CxImage::Tile(HDC hdc, RECT *rc) +{ + if((pDib)&&(hdc)&&(rc)) { + int32_t w = rc->right - rc->left; + int32_t h = rc->bottom - rc->top; + int32_t x,y,z; + int32_t bx=head.biWidth; + int32_t by=head.biHeight; + for (y = 0 ; y < h ; y += by){ + if ((y+by)>h) by=h-y; + z=bx; + for (x = 0 ; x < w ; x += z){ + if ((x+z)>w) z=w-x; + RECT r = {rc->left + x,rc->top + y,rc->left + x + z,rc->top + y + by}; + Draw(hdc,rc->left + x, rc->top + y,-1,-1,&r); + } + } + return 1; + } + return 0; +} +//////////////////////////////////////////////////////////////////////////////// +// For UNICODE support: char -> TCHAR +int32_t CxImage::DrawString(HDC hdc, int32_t x, int32_t y, const TCHAR* text, RGBQUAD color, const TCHAR* font, int32_t lSize, int32_t lWeight, uint8_t bItalic, uint8_t bUnderline, bool bSetAlpha) +//int32_t CxImage::DrawString(HDC hdc, int32_t x, int32_t y, const char* text, RGBQUAD color, const char* font, int32_t lSize, int32_t lWeight, uint8_t bItalic, uint8_t bUnderline, bool bSetAlpha) +{ + if (IsValid()){ + //get the background + HDC pDC; + if (hdc) pDC=hdc; else pDC = ::GetDC(0); + if (pDC==NULL) return 0; + HDC TmpDC=CreateCompatibleDC(pDC); + if (hdc==NULL) ::ReleaseDC(0, pDC); + if (TmpDC==NULL) return 0; + //choose the font + HFONT m_Font; + LOGFONT* m_pLF; + m_pLF=(LOGFONT*)calloc(1,sizeof(LOGFONT)); + _tcsncpy(m_pLF->lfFaceName,font,31); // For UNICODE support + //strncpy(m_pLF->lfFaceName,font,31); + m_pLF->lfHeight=lSize; + m_pLF->lfWeight=lWeight; + m_pLF->lfItalic=bItalic; + m_pLF->lfUnderline=bUnderline; + m_Font=CreateFontIndirect(m_pLF); + //select the font in the dc + HFONT pOldFont=NULL; + if (m_Font) + pOldFont = (HFONT)SelectObject(TmpDC,m_Font); + else + pOldFont = (HFONT)SelectObject(TmpDC,GetStockObject(DEFAULT_GUI_FONT)); + + //Set text color + SetTextColor(TmpDC,RGB(255,255,255)); + SetBkColor(TmpDC,RGB(0,0,0)); + //draw the text + SetBkMode(TmpDC,OPAQUE); + //Set text position; + RECT pos = {0,0,0,0}; + //int32_t len = (int32_t)strlen(text); + int32_t len = (int32_t)_tcslen(text); // For UNICODE support + ::DrawText(TmpDC,text,len,&pos,DT_CALCRECT); + pos.right+=pos.bottom; //for italics + + //Preparing Bitmap Info + int32_t width=pos.right; + int32_t height=pos.bottom; + BITMAPINFO bmInfo; + memset(&bmInfo.bmiHeader,0,sizeof(BITMAPINFOHEADER)); + bmInfo.bmiHeader.biSize=sizeof(BITMAPINFOHEADER); + bmInfo.bmiHeader.biWidth=width; + bmInfo.bmiHeader.biHeight=height; + bmInfo.bmiHeader.biPlanes=1; + bmInfo.bmiHeader.biBitCount=24; + uint8_t *pbase; //points to the final dib + + HBITMAP TmpBmp=CreateDIBSection(TmpDC,&bmInfo,DIB_RGB_COLORS,(void**)&pbase,0,0); + HGDIOBJ TmpObj=SelectObject(TmpDC,TmpBmp); + memset(pbase,0,height*((((24 * width) + 31) / 32) * 4)); + + ::DrawText(TmpDC,text,len,&pos,0); + + CxImage itext; + itext.CreateFromHBITMAP(TmpBmp); + + y=head.biHeight-y-1; + for (int32_t ix=0;ix +int32_t CxImage::DrawStringEx(HDC hdc, int32_t x, int32_t y, CXTEXTINFO *pTextType, bool bSetAlpha ) +{ + if (!IsValid()) + return -1; + + //get the background + HDC pDC; + if (hdc) pDC=hdc; else pDC = ::GetDC(0); + if (pDC==NULL) return 0; + HDC TmpDC=CreateCompatibleDC(pDC); + if (hdc==NULL) ::ReleaseDC(0, pDC); + if (TmpDC==NULL) return 0; + + //choose the font + HFONT m_Font; + m_Font=CreateFontIndirect( &pTextType->lfont ); + + // get colors in RGBQUAD + RGBQUAD p_forecolor = RGBtoRGBQUAD(pTextType->fcolor); + RGBQUAD p_backcolor = RGBtoRGBQUAD(pTextType->bcolor); + + // check alignment and re-set default if necessary + if ( pTextType->align != DT_CENTER && + pTextType->align != DT_LEFT && + pTextType->align != DT_RIGHT ) + pTextType->align = DT_CENTER; + + // check rounding radius and re-set default if necessary + if ( pTextType->b_round > 50 ) + pTextType->b_round = 10; + + // check opacity and re-set default if necessary + if ( pTextType->b_opacity > 1. || pTextType->b_opacity < .0 ) + pTextType->b_opacity = 0.; + + //select the font in the dc + HFONT pOldFont=NULL; + if (m_Font) + pOldFont = (HFONT)SelectObject(TmpDC,m_Font); + else + pOldFont = (HFONT)SelectObject(TmpDC,GetStockObject(DEFAULT_GUI_FONT)); + + //Set text color + SetTextColor(TmpDC,RGB(255,255,255)); + SetBkColor(TmpDC,RGB(0,0,0)); + SetBkMode(TmpDC,OPAQUE); + //Set text position; + RECT pos = {0,0,0,0}; + + // get text length and number of lines + int32_t i=0, numlines=1, len=(int32_t)_tcsclen(pTextType->text); + while (itext[i++]==13 ) + numlines++; + } + + ::DrawText(TmpDC, pTextType->text, len, &pos, /*DT_EDITCONTROL|DT_EXTERNALLEADING|*/DT_NOPREFIX | DT_CALCRECT ); + + // increase only if it's really italics, and only one line height + if ( pTextType->lfont.lfItalic ) + pos.right += pos.bottom/2/numlines; + + // background frame and rounding radius + int32_t frame = 0, roundR = 0; + if ( pTextType->opaque ) + { + roundR= (int32_t)(pos.bottom/numlines * pTextType->b_round / 100 ) ; + frame = (int32_t)(/*3.5 + */0.29289*roundR ) ; + pos.right += pos.bottom/numlines/3 ; // JUST FOR BEAUTY + } + + //Preparing Bitmap Info + int32_t width=pos.right +frame*2; + int32_t height=pos.bottom +frame*2; + BITMAPINFO bmInfo; + memset(&bmInfo.bmiHeader,0,sizeof(BITMAPINFOHEADER)); + bmInfo.bmiHeader.biSize=sizeof(BITMAPINFOHEADER); + bmInfo.bmiHeader.biWidth=width; + bmInfo.bmiHeader.biHeight=height; + bmInfo.bmiHeader.biPlanes=1; + bmInfo.bmiHeader.biBitCount=24; + uint8_t *pbase; //points to the final dib + + HBITMAP TmpBmp=CreateDIBSection(TmpDC,&bmInfo,DIB_RGB_COLORS,(void**)&pbase,0,0); + HGDIOBJ TmpObj=SelectObject(TmpDC,TmpBmp); + memset(pbase,0,height*((((24 * width) + 31) / 32) * 4)); + + ::DrawText(TmpDC,pTextType->text,len, &pos, /*DT_EDITCONTROL|DT_EXTERNALLEADING|*/DT_NOPREFIX| pTextType->align ); + + CxImage itext; + itext.CreateFromHBITMAP(TmpBmp); + y=head.biHeight-y-1; + + itext.Negative(); + +#if CXIMAGE_SUPPORT_DSP + if (pTextType->smooth==FALSE){ + itext.Threshold(128); + } else { + //itext.TextBlur(); + } +#endif + + //move the insertion point according to alignment type + // DT_CENTER: cursor points to the center of text rectangle + // DT_RIGHT: cursor points to right side end of text rectangle + // DT_LEFT: cursor points to left end of text rectangle + if ( pTextType->align == DT_CENTER ) + x -= width/2; + else if ( pTextType->align == DT_RIGHT ) + x -= width; + if (x<0) x=0; + + //draw the background first, if it exists + int32_t ix,iy; + if ( pTextType->opaque ) + { + int32_t ixf=0; + for (ix=0;ix=width-roundR-1 ) + ixf = (int32_t)(.5+roundR-sqrt((float)(roundR*roundR-(width-1-ix-roundR)*(width-1-ix-roundR)))); + else + ixf=0; + + for (iy=0;iy height-ixf-1 || iy < ixf )) || + (ix>=width-roundR-1 && ( iy > height-ixf-1 || iy < ixf )) ) + continue; + else + if ( pTextType->b_opacity > 0.0 && pTextType->b_opacity < 1.0 ) + { + RGBQUAD bcolor, pcolor; + // calculate a transition color from original image to background color: + pcolor = GetPixelColor(x+ix,y+iy); + bcolor.rgbBlue = (uint8_t)(pTextType->b_opacity * pcolor.rgbBlue + (1.0-pTextType->b_opacity) * p_backcolor.rgbBlue ); + bcolor.rgbRed = (uint8_t)(pTextType->b_opacity * pcolor.rgbRed + (1.0-pTextType->b_opacity) * p_backcolor.rgbRed ) ; + bcolor.rgbGreen = (uint8_t)(pTextType->b_opacity * pcolor.rgbGreen + (1.0-pTextType->b_opacity) * p_backcolor.rgbGreen ) ; + bcolor.rgbReserved = 0; + SetPixelColor(x+ix,y+iy,bcolor,bSetAlpha); + } + else + SetPixelColor(x+ix,y+iy,p_backcolor,bSetAlpha); + } + } + } + + // draw the text itself + for (ix=0;ixlfont.lfHeight = -36; + txt->lfont.lfCharSet = EASTEUROPE_CHARSET; // just for Central-European users + txt->lfont.lfWeight = FW_NORMAL; + txt->lfont.lfWidth = 0; + txt->lfont.lfEscapement = 0; + txt->lfont.lfOrientation = 0; + txt->lfont.lfItalic = FALSE; + txt->lfont.lfUnderline = FALSE; + txt->lfont.lfStrikeOut = FALSE; + txt->lfont.lfOutPrecision = OUT_DEFAULT_PRECIS; + txt->lfont.lfClipPrecision = CLIP_DEFAULT_PRECIS; + txt->lfont.lfQuality = PROOF_QUALITY; + txt->lfont.lfPitchAndFamily= DEFAULT_PITCH | FF_DONTCARE ; + _stprintf( txt->lfont.lfFaceName, _T("Arial")); //use TCHAR mappings + + // initial colors + txt->fcolor = RGB( 255,255,160 ); // default foreground: light goldyellow + txt->bcolor = RGB( 0, 80,160 ); // default background: light blue + + // background + txt->opaque = TRUE; // text has a non-transparent background; + txt->smooth = TRUE; + txt->b_opacity = 0.0; // default: opaque background + txt->b_outline = 0; // default: no outline (OUTLINE NOT IMPLEMENTED AT THIS TIME) + txt->b_round = 20; // default: rounding radius is 20% of the rectangle height + // the text + _stprintf( txt->text, _T("Sample Text 01234õû")); // text use TCHAR mappings + txt->align = DT_CENTER; + return; +} + +#if CXIMAGE_SUPPORT_LAYERS +//////////////////////////////////////////////////////////////////////////////// +int32_t CxImage::LayerDrawAll(HDC hdc, const RECT& rect, RECT* pClipRect, bool bSmooth) +{ + return LayerDrawAll(hdc, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, pClipRect,bSmooth); +} +//////////////////////////////////////////////////////////////////////////////// +int32_t CxImage::LayerDrawAll(HDC hdc, int32_t x, int32_t y, int32_t cx, int32_t cy, RECT* pClipRect, bool bSmooth) +{ + int32_t n=0; + CxImage* pLayer; + while(pLayer=GetLayer(n++)){ + if (pLayer->Draw(hdc,x+pLayer->info.xOffset,y+pLayer->info.yOffset,cx,cy,pClipRect,bSmooth)==0) + return 0; + if (pLayer->LayerDrawAll(hdc,x+pLayer->info.xOffset,y+pLayer->info.yOffset,cx,cy,pClipRect,bSmooth)==0) + return 0; + } + return 1; +} +#endif //CXIMAGE_SUPPORT_LAYERS + +//////////////////////////////////////////////////////////////////////////////// +#endif //CXIMAGE_SUPPORT_WINDOWS +//////////////////////////////////////////////////////////////////////////////// diff --git a/smelt/glfw/CxImage/xiofile.h b/smelt/glfw/CxImage/xiofile.h new file mode 100644 index 0000000..e05811e --- /dev/null +++ b/smelt/glfw/CxImage/xiofile.h @@ -0,0 +1,125 @@ +#if !defined(__xiofile_h) +#define __xiofile_h + +#include "xfile.h" +//#include + +class DLL_EXP CxIOFile : public CxFile + { +public: + CxIOFile(FILE* fp = NULL) + { + m_fp = fp; + m_bCloseFile = (bool)(fp==0); + } + + ~CxIOFile() + { + Close(); + } +////////////////////////////////////////////////////////// + bool Open(const TCHAR * filename, const TCHAR * mode) + { + if (m_fp) return false; // Can't re-open without closing first + + m_fp = fopen(filename, mode); + if (!m_fp) return false; + + m_bCloseFile = true; + + return true; + } +////////////////////////////////////////////////////////// + virtual bool Close() + { + int32_t iErr = 0; + if ( (m_fp) && (m_bCloseFile) ){ + iErr = fclose(m_fp); + m_fp = NULL; + } + return (bool)(iErr==0); + } +////////////////////////////////////////////////////////// + virtual size_t Read(void *buffer, size_t size, size_t count) + { + if (!m_fp) return 0; + return fread(buffer, size, count, m_fp); + } +////////////////////////////////////////////////////////// + virtual size_t Write(const void *buffer, size_t size, size_t count) + { + if (!m_fp) return 0; + return fwrite(buffer, size, count, m_fp); + } +////////////////////////////////////////////////////////// + virtual bool Seek(int32_t offset, int32_t origin) + { + if (!m_fp) return false; + return (bool)(fseek(m_fp, offset, origin) == 0); + } +////////////////////////////////////////////////////////// + virtual int32_t Tell() + { + if (!m_fp) return 0; + return ftell(m_fp); + } +////////////////////////////////////////////////////////// + virtual int32_t Size() + { + if (!m_fp) return -1; + int32_t pos,size; + pos = ftell(m_fp); + fseek(m_fp, 0, SEEK_END); + size = ftell(m_fp); + fseek(m_fp, pos,SEEK_SET); + return size; + } +////////////////////////////////////////////////////////// + virtual bool Flush() + { + if (!m_fp) return false; + return (bool)(fflush(m_fp) == 0); + } +////////////////////////////////////////////////////////// + virtual bool Eof() + { + if (!m_fp) return true; + return (bool)(feof(m_fp) != 0); + } +////////////////////////////////////////////////////////// + virtual int32_t Error() + { + if (!m_fp) return -1; + return ferror(m_fp); + } +////////////////////////////////////////////////////////// + virtual bool PutC(uint8_t c) + { + if (!m_fp) return false; + return (bool)(fputc(c, m_fp) == c); + } +////////////////////////////////////////////////////////// + virtual int32_t GetC() + { + if (!m_fp) return EOF; + return getc(m_fp); + } +////////////////////////////////////////////////////////// + virtual char * GetS(char *string, int32_t n) + { + if (!m_fp) return NULL; + return fgets(string,n,m_fp); + } +////////////////////////////////////////////////////////// + virtual int32_t Scanf(const char *format, void* output) + { + if (!m_fp) return EOF; + return fscanf(m_fp, format, output); + } +////////////////////////////////////////////////////////// +protected: + FILE *m_fp; + bool m_bCloseFile; + }; + +#endif diff --git a/smelt/glfw/CxImage/xmemfile.cpp b/smelt/glfw/CxImage/xmemfile.cpp new file mode 100644 index 0000000..f235899 --- /dev/null +++ b/smelt/glfw/CxImage/xmemfile.cpp @@ -0,0 +1,213 @@ +#include "xmemfile.h" + +////////////////////////////////////////////////////////// +CxMemFile::CxMemFile(uint8_t* pBuffer, uint32_t size) +{ + m_pBuffer = pBuffer; + m_Position = 0; + m_Size = m_Edge = size; + m_bFreeOnClose = (bool)(pBuffer==0); + m_bEOF = false; +} +////////////////////////////////////////////////////////// +CxMemFile::~CxMemFile() +{ + Close(); +} +////////////////////////////////////////////////////////// +bool CxMemFile::Close() +{ + if ( (m_pBuffer) && (m_bFreeOnClose) ){ + free(m_pBuffer); + m_pBuffer = NULL; + m_Size = 0; + } + return true; +} +////////////////////////////////////////////////////////// +bool CxMemFile::Open() +{ + if (m_pBuffer) return false; // Can't re-open without closing first + + m_Position = m_Size = m_Edge = 0; + m_pBuffer=(uint8_t*)malloc(1); + m_bFreeOnClose = true; + + return (m_pBuffer!=0); +} +////////////////////////////////////////////////////////// +uint8_t* CxMemFile::GetBuffer(bool bDetachBuffer) +{ + //can only detach, avoid inadvertantly attaching to + // memory that may not be ours [Jason De Arte] + if( bDetachBuffer ) + m_bFreeOnClose = false; + return m_pBuffer; +} +////////////////////////////////////////////////////////// +size_t CxMemFile::Read(void *buffer, size_t size, size_t count) +{ + if (buffer==NULL) return 0; + + if (m_pBuffer==NULL) return 0; + if (m_Position >= (int32_t)m_Size){ + m_bEOF = true; + return 0; + } + + int32_t nCount = (int32_t)(count*size); + if (nCount == 0) return 0; + + int32_t nRead; + if (m_Position + nCount > (int32_t)m_Size){ + m_bEOF = true; + nRead = (m_Size - m_Position); + } else + nRead = nCount; + + memcpy(buffer, m_pBuffer + m_Position, nRead); + m_Position += nRead; + + return (size_t)(nRead/size); +} +////////////////////////////////////////////////////////// +size_t CxMemFile::Write(const void *buffer, size_t size, size_t count) +{ + m_bEOF = false; + if (m_pBuffer==NULL) return 0; + if (buffer==NULL) return 0; + + int32_t nCount = (int32_t)(count*size); + if (nCount == 0) return 0; + + if (m_Position + nCount > m_Edge){ + if (!Alloc(m_Position + nCount)){ + return false; + } + } + + memcpy(m_pBuffer + m_Position, buffer, nCount); + + m_Position += nCount; + + if (m_Position > (int32_t)m_Size) m_Size = m_Position; + + return count; +} +////////////////////////////////////////////////////////// +bool CxMemFile::Seek(int32_t offset, int32_t origin) +{ + m_bEOF = false; + if (m_pBuffer==NULL) return false; + int32_t lNewPos = m_Position; + + if (origin == SEEK_SET) lNewPos = offset; + else if (origin == SEEK_CUR) lNewPos += offset; + else if (origin == SEEK_END) lNewPos = m_Size + offset; + else return false; + + if (lNewPos < 0) lNewPos = 0; + + m_Position = lNewPos; + return true; +} +////////////////////////////////////////////////////////// +int32_t CxMemFile::Tell() +{ + if (m_pBuffer==NULL) return -1; + return m_Position; +} +////////////////////////////////////////////////////////// +int32_t CxMemFile::Size() +{ + if (m_pBuffer==NULL) return -1; + return m_Size; +} +////////////////////////////////////////////////////////// +bool CxMemFile::Flush() +{ + if (m_pBuffer==NULL) return false; + return true; +} +////////////////////////////////////////////////////////// +bool CxMemFile::Eof() +{ + if (m_pBuffer==NULL) return true; + return m_bEOF; +} +////////////////////////////////////////////////////////// +int32_t CxMemFile::Error() +{ + if (m_pBuffer==NULL) return -1; + return (m_Position > (int32_t)m_Size); +} +////////////////////////////////////////////////////////// +bool CxMemFile::PutC(uint8_t c) +{ + m_bEOF = false; + if (m_pBuffer==NULL) return false; + + if (m_Position >= m_Edge){ + if (!Alloc(m_Position + 1)){ + return false; + } + } + + m_pBuffer[m_Position++] = c; + + if (m_Position > (int32_t)m_Size) m_Size = m_Position; + + return true; +} +////////////////////////////////////////////////////////// +int32_t CxMemFile::GetC() +{ + if (m_pBuffer==NULL || m_Position >= (int32_t)m_Size){ + m_bEOF = true; + return EOF; + } + return *(uint8_t*)((uint8_t*)m_pBuffer + m_Position++); +} +////////////////////////////////////////////////////////// +char * CxMemFile::GetS(char *string, int32_t n) +{ + n--; + int32_t c,i=0; + while (i (uint32_t)m_Edge) + { + // find new buffer size + uint32_t dwNewBufferSize = (uint32_t)(((dwNewLen>>16)+1)<<16); + + // allocate new buffer + if (m_pBuffer == NULL) m_pBuffer = (uint8_t*)malloc(dwNewBufferSize); + else m_pBuffer = (uint8_t*)realloc(m_pBuffer, dwNewBufferSize); + // I own this buffer now (caller knows nothing about it) + m_bFreeOnClose = true; + + m_Edge = dwNewBufferSize; + } + return (m_pBuffer!=0); +} +////////////////////////////////////////////////////////// +void CxMemFile::Free() +{ + Close(); +} +////////////////////////////////////////////////////////// diff --git a/smelt/glfw/CxImage/xmemfile.h b/smelt/glfw/CxImage/xmemfile.h new file mode 100644 index 0000000..e132db3 --- /dev/null +++ b/smelt/glfw/CxImage/xmemfile.h @@ -0,0 +1,42 @@ +#if !defined(__xmemfile_h) +#define __xmemfile_h + +#include "xfile.h" + +////////////////////////////////////////////////////////// +class DLL_EXP CxMemFile : public CxFile +{ +public: + CxMemFile(uint8_t* pBuffer = NULL, uint32_t size = 0); + ~CxMemFile(); + + bool Open(); + uint8_t* GetBuffer(bool bDetachBuffer = true); + + virtual bool Close(); + virtual size_t Read(void *buffer, size_t size, size_t count); + virtual size_t Write(const void *buffer, size_t size, size_t count); + virtual bool Seek(int32_t offset, int32_t origin); + virtual int32_t Tell(); + virtual int32_t Size(); + virtual bool Flush(); + virtual bool Eof(); + virtual int32_t Error(); + virtual bool PutC(uint8_t c); + virtual int32_t GetC(); + virtual char * GetS(char *string, int32_t n); + virtual int32_t Scanf(const char *format, void* output); + +protected: + bool Alloc(uint32_t nBytes); + void Free(); + + uint8_t* m_pBuffer; + uint32_t m_Size; + bool m_bFreeOnClose; + int32_t m_Position; //current position + int32_t m_Edge; //buffer size + bool m_bEOF; +}; + +#endif -- cgit v1.2.3