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| author |  Chris Xiong <chirs241097@gmail.com>
| 2015-10-26 22:52:36 +0800 |
|---|---|---|
| committer | Chris Xiong <chirs241097@gmail.com>
| 2015-10-26 22:52:36 +0800 |
| commit | 3bd383baf6a17e734329e1fc677c7e86283db772 (patch) | |
| tree | 69a9148087577f797624ceb9c71323a2563d6bb4 /archive/hge/CxImage/ximawbmp.cpp | |
| parent | 543e4f570be9b279ba558ca61cc02cda251af384 (diff) | |
| download | bullet-lab-remix-3bd383baf6a17e734329e1fc677c7e86283db772.tar.xz | |
Added support for relative line numbers.
Added instructions for, brk and cont. (They are still untested...)
Parser code cleanup. Removed garbage output to stderr.
Reorganize the repository structure.
Updated BLR2 code move it into archive.
Added BLR1 files.
Diffstat (limited to 'archive/hge/CxImage/ximawbmp.cpp')
| -rw-r--r-- | archive/hge/CxImage/ximawbmp.cpp | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/archive/hge/CxImage/ximawbmp.cpp b/archive/hge/CxImage/ximawbmp.cpp new file mode 100644 index 0000000..7ba5d00 --- /dev/null +++ b/archive/hge/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
+
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