diff options
Diffstat (limited to 'smelt/sdl/CxImage/ximaico.cpp')
| -rw-r--r-- | smelt/sdl/CxImage/ximaico.cpp | 470 |
1 files changed, 0 insertions, 470 deletions
diff --git a/smelt/sdl/CxImage/ximaico.cpp b/smelt/sdl/CxImage/ximaico.cpp deleted file mode 100644 index a808697..0000000 --- a/smelt/sdl/CxImage/ximaico.cpp +++ /dev/null @@ -1,470 +0,0 @@ -/*
- * 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(); //<yuandi>
- 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)&&(page<icon_header.idCount)){
-
- if (info.nEscape == -1) {
- // Return output dimensions only
- head.biWidth = icon_list[page].bWidth;
- head.biHeight = icon_list[page].bHeight;
-#if CXIMAGE_SUPPORT_PNG
- if (head.biWidth==0 && head.biHeight==0)
- { // Vista icon support
- hFile->Seek(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 <CoreyRLucier>
- 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;x<head.biWidth;x++){
- *dst++=src[0];
- *dst++=src[1];
- *dst++=src[2];
-#if CXIMAGE_SUPPORT_ALPHA
- AlphaSet(x,y,src[3]);
-#endif //CXIMAGE_SUPPORT_ALPHA
- src+=4;
- }
- }
- free(buf);
- }
- // apply the AND and XOR masks
- int32_t maskwdt = ((head.biWidth+31) / 32) * 4; //line width of AND mask (always 1 Bpp)
- int32_t masksize = head.biHeight * maskwdt; //size of mask
- uint8_t *mask = (uint8_t *)malloc(masksize);
- if (hFile->Read(mask, masksize, 1)){
-
- bool bGoodMask=false;
- for (int32_t im=0;im<masksize;im++){
- if (mask[im]!=255){
- bGoodMask=true;
- break;
- }
- }
-
- if (bGoodMask){
-#if CXIMAGE_SUPPORT_ALPHA
- bool bNeedAlpha = false;
- if (!AlphaIsValid()){
- AlphaCreate();
- } else {
- bNeedAlpha=true; //32bit icon
- }
- int32_t x,y;
- for (y = 0; y < head.biHeight; y++) {
- for (x = 0; x < head.biWidth; x++) {
- if (((mask[y*maskwdt+(x>>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
- }
-
- // <vho> - 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 <Alas>
-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; i<nPageCount; i++){
- if (pImages[i]==NULL)
- cx_throw("Bad image pointer");
- if (!(pImages[i]->IsValid()))
- cx_throw("Empty image");
- }
-
- CxImageICO ghost;
- for (i=0; i<nPageCount; i++){ //write headers
- ghost.Ghost(pImages[i]);
- ghost.info.nNumFrames = nPageCount;
- if (i==0) {
- if (!ghost.Encode(hFile,false,nPageCount))
- cx_throw("Error writing ICO file header");
- }
- if (!ghost.Encode(hFile,true,nPageCount))
- cx_throw("Error saving ICO image header");
- }
- for (i=0; i<nPageCount; i++){ //write bodies
- ghost.Ghost(pImages[i]);
- ghost.info.nNumFrames = nPageCount;
- if (!ghost.Encode(hFile,true,i))
- cx_throw("Error saving ICO body");
- }
-
- } cx_catch {
- if (strcmp(message,"")) strncpy(info.szLastError,message,255);
- return false;
- }
- return true;
-}
-////////////////////////////////////////////////////////////////////////////////
-bool CxImageICO::Encode(CxFile * hFile, bool bAppend, int32_t nPageCount)
-{
- if (EncodeSafeCheck(hFile)) return false;
-
-#if CXIMAGE_SUPPORT_PNG == 0
- //check format limits
- if ((head.biWidth>255)||(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 && nPageCount<info.nNumFrames) || (!bAppend && nPageCount==0))
- {
-#if CXIMAGE_SUPPORT_PNG
- if (icon_list.bWidth==0 && icon_list.bHeight==0) { // Vista icon support
- hFile->Write(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;x<head.biWidth;x++){
- *dst++=*src++;
- *dst++=*src++;
- *dst++=*src++;
- *dst++=AlphaGet(x,y);
- }
- }
- hFile->Write(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<<pos);
- *iDst |= ((i & 0x01)<<pos);
- }
- }
- //write AND/XOR masks
- hFile->Write(mask,masksize,1);
- free(mask);
- }
- }
-
- return true;
-}
-////////////////////////////////////////////////////////////////////////////////
-#endif // CXIMAGE_SUPPORT_ENCODE
-////////////////////////////////////////////////////////////////////////////////
-#endif // CXIMAGE_SUPPORT_ICO
-
|