www.pudn.com > eMule0.42e-Sources.zip > ximaenc.cpp
// xImaCodec.cpp : Encode Decode functions /* 07/08/2001 v1.00 - ing.davide.pizzolato@libero.it * CxImage version 5.71 25/Apr/2003 */ #include "ximage.h" #if CXIMAGE_SUPPORT_JPG #include "ximajpg.h" #endif #if CXIMAGE_SUPPORT_GIF #include "ximagif.h" #endif #if CXIMAGE_SUPPORT_PNG #include "ximapng.h" #endif #if CXIMAGE_SUPPORT_MNG #include "ximamng.h" #endif #if CXIMAGE_SUPPORT_BMP #include "ximabmp.h" #endif #if CXIMAGE_SUPPORT_ICO #include "ximaico.h" #endif #if CXIMAGE_SUPPORT_TIF #include "ximatif.h" #endif #if CXIMAGE_SUPPORT_TGA #include "ximatga.h" #endif #if CXIMAGE_SUPPORT_PCX #include "ximapcx.h" #endif #if CXIMAGE_SUPPORT_WBMP #include "ximawbmp.h" #endif #if CXIMAGE_SUPPORT_WMF #include "ximawmf.h" //- WMF/EMF support #endif #if CXIMAGE_SUPPORT_J2K #include "ximaj2k.h" #endif #if CXIMAGE_SUPPORT_JBG #include "ximajbg.h" #endif #if CXIMAGE_SUPPORT_JASPER #include "ximajas.h" #endif //////////////////////////////////////////////////////////////////////////////// #if CXIMAGE_SUPPORT_ENCODE //////////////////////////////////////////////////////////////////////////////// #ifdef WIN32 bool CxImage::Save(LPCWSTR filename, DWORD 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 //////////////////////////////////////////////////////////////////////////////// bool CxImage::Save(const char * filename, DWORD imagetype) { FILE* hFile; //file handle to write the image if ((hFile=fopen(filename,"wb"))==NULL) return false; bool bOK = Encode(hFile,imagetype); fclose(hFile); return bOK; } //////////////////////////////////////////////////////////////////////////////// bool CxImage::Encode(FILE *hFile, DWORD imagetype) { CxIOFile file(hFile); return Encode(&file,imagetype); } //////////////////////////////////////////////////////////////////////////////// bool CxImage::Encode(BYTE * &buffer, long &size, DWORD imagetype) { if (buffer!=NULL) return false; //the buffer must be empty CxMemFile file; file.Open(); if(Encode(&file,imagetype)){ buffer=file.GetBuffer(); size=file.Size(); return true; } return false; } //////////////////////////////////////////////////////////////////////////////// bool CxImage::Encode(CxFile *hFile, DWORD imagetype) { #if CXIMAGE_SUPPORT_BMP if (imagetype==CXIMAGE_FORMAT_BMP){ CxImageBMP newima; newima.Ghost(this); if (newima.Encode(hFile)){ 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)){ return true; } else { strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_TIF if (imagetype==CXIMAGE_FORMAT_TIF){ CxImageTIF newima; newima.Ghost(this); if (newima.Encode(hFile)){ return true; } else { strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_JPG if (imagetype==CXIMAGE_FORMAT_JPG){ CxImageJPG newima; newima.Ghost(this); if (newima.Encode(hFile)){ 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)){ return true; } else { strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_PNG if (imagetype==CXIMAGE_FORMAT_PNG){ CxImagePNG newima; newima.Ghost(this); if (newima.Encode(hFile)){ return true; } else { strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_MNG if (imagetype==CXIMAGE_FORMAT_MNG){ CxImageMNG newima; newima.Ghost(this); if (newima.Encode(hFile)){ return true; } else { strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_TGA if (imagetype==CXIMAGE_FORMAT_TGA){ CxImageTGA newima; newima.Ghost(this); if (newima.Encode(hFile)){ return true; } else { strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_PCX if (imagetype==CXIMAGE_FORMAT_PCX){ CxImagePCX newima; newima.Ghost(this); if (newima.Encode(hFile)){ return true; } else { strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_WBMP if (imagetype==CXIMAGE_FORMAT_WBMP){ CxImageWBMP newima; newima.Ghost(this); if (newima.Encode(hFile)){ return true; } else { strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_WMF && CXIMAGE_SUPPORT_WINDOWS // - WMF/EMF support if (imagetype==CXIMAGE_FORMAT_WMF){ CxImageWMF newima; newima.Ghost(this); if (newima.Encode(hFile)){ return true; } else { strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_J2K if (imagetype==CXIMAGE_FORMAT_J2K){ CxImageJ2K newima; newima.Ghost(this); if (newima.Encode(hFile)){ return true; } else { strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_JBG if (imagetype==CXIMAGE_FORMAT_JBG){ CxImageJBG newima; newima.Ghost(this); if (newima.Encode(hFile)){ return true; } else { strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_JASPER if ( #if CXIMAGE_SUPPORT_JP2 imagetype==CXIMAGE_FORMAT_JP2 || #endif #if CXIMAGE_SUPPORT_JPC imagetype==CXIMAGE_FORMAT_JPC || #endif #if CXIMAGE_SUPPORT_PGX imagetype==CXIMAGE_FORMAT_PGX || #endif #if CXIMAGE_SUPPORT_PNM imagetype==CXIMAGE_FORMAT_PNM || #endif #if CXIMAGE_SUPPORT_RAS imagetype==CXIMAGE_FORMAT_RAS || #endif false ){ CxImageJAS newima; newima.Ghost(this); if (newima.Encode(hFile,imagetype)){ return true; } else { strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif strcpy(info.szLastError,"Encode: Unknown format"); return false; } //////////////////////////////////////////////////////////////////////////////// bool CxImage::Encode(FILE * hFile, CxImage ** pImages, int pagecount, DWORD imagetype) { CxIOFile file(hFile); return Encode(&file, pImages, pagecount,imagetype); } //////////////////////////////////////////////////////////////////////////////// bool CxImage::Encode(CxFile * hFile, CxImage ** pImages, int pagecount, DWORD 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 strcpy(info.szLastError,"Multipage Encode, Unsupported operation for this format"); return false; } //////////////////////////////////////////////////////////////////////////////// #endif //CXIMAGE_SUPPORT_ENCODE //////////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////////// #if CXIMAGE_SUPPORT_DECODE //////////////////////////////////////////////////////////////////////////////// bool CxImage::Load(const char * filename, DWORD 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 ( imagetype > 0 && imagetype < CMAX_IMAGE_FORMATS ){ FILE* hFile; //file handle to read the image if ((hFile=fopen(filename,"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; if ((hFile=fopen(filename,"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; } //////////////////////////////////////////////////////////////////////////////// #ifdef WIN32 bool CxImage::Load(LPCWSTR filename, DWORD 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 ( imagetype > 0 && imagetype < CMAX_IMAGE_FORMATS ){ 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; } //////////////////////////////////////////////////////////////////////////////// bool CxImage::LoadResource(HRSRC hRes, DWORD imagetype, HMODULE hModule) { DWORD 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((BYTE*)lpVoid,rsize); return Decode(&fTmp,imagetype); } } else strcpy(info.szLastError,"Unable to load resource!"); return false; } #endif //WIN32 //////////////////////////////////////////////////////////////////////////////// // File name constructor // > filename: file name // > imagetype: specify the image format (CXIMAGE_FORMAT_BMP,...) CxImage::CxImage(const char * filename, DWORD imagetype) { Startup(imagetype); Load(filename,imagetype); } //////////////////////////////////////////////////////////////////////////////// // Stream constructor // § the file is always closed by the constructor. // > stream: file with "rb" access // > imagetype: specify the image format (CXIMAGE_FORMAT_BMP,...) CxImage::CxImage(FILE * stream, DWORD imagetype) { Startup(imagetype); Decode(stream,imagetype); } //////////////////////////////////////////////////////////////////////////////// CxImage::CxImage(CxFile * stream, DWORD imagetype) { Startup(imagetype); Decode(stream,imagetype); } //////////////////////////////////////////////////////////////////////////////// CxImage::CxImage(BYTE * buffer, DWORD size, DWORD imagetype) { Startup(imagetype); CxMemFile stream(buffer,size); Decode(&stream,imagetype); } //////////////////////////////////////////////////////////////////////////////// bool CxImage::Decode(BYTE * buffer, DWORD size, DWORD imagetype) { CxMemFile file(buffer,size); return Decode(&file,imagetype); } //////////////////////////////////////////////////////////////////////////////// bool CxImage::Decode(FILE *hFile, DWORD imagetype) { CxIOFile file(hFile); return Decode(&file,imagetype); } //////////////////////////////////////////////////////////////////////////////// bool CxImage::Decode(CxFile *hFile, DWORD imagetype) { if (imagetype==CXIMAGE_FORMAT_UNKNOWN){ DWORD pos = hFile->Tell(); #if CXIMAGE_SUPPORT_BMP { CxImageBMP newima; if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); } #endif #if CXIMAGE_SUPPORT_JPG { CxImageJPG newima; if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); } #endif #if CXIMAGE_SUPPORT_ICO { CxImageICO newima; if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); } #endif #if CXIMAGE_SUPPORT_GIF { CxImageGIF newima; if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); } #endif #if CXIMAGE_SUPPORT_PNG { CxImagePNG newima; if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); } #endif #if CXIMAGE_SUPPORT_TIF { CxImageTIF newima; if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); } #endif #if CXIMAGE_SUPPORT_MNG { CxImageMNG newima; if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); } #endif #if CXIMAGE_SUPPORT_TGA { CxImageTGA newima; if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); } #endif #if CXIMAGE_SUPPORT_PCX { CxImagePCX newima; if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); } #endif #if CXIMAGE_SUPPORT_WBMP { CxImageWBMP newima; if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); } #endif #if CXIMAGE_SUPPORT_WMF && CXIMAGE_SUPPORT_WINDOWS { CxImageWMF newima; if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); } #endif #if CXIMAGE_SUPPORT_J2K { CxImageJ2K newima; if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); } #endif #if CXIMAGE_SUPPORT_JBG { CxImageJBG newima; if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); } #endif #if CXIMAGE_SUPPORT_JASPER { CxImageJAS newima; if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); } #endif } #if CXIMAGE_SUPPORT_BMP if (imagetype==CXIMAGE_FORMAT_BMP){ CxImageBMP newima; if (newima.Decode(hFile)){ Transfer(newima); return true; } else { strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_JPG if (imagetype==CXIMAGE_FORMAT_JPG){ CxImageJPG newima; if (newima.Decode(hFile)){ Transfer(newima); return true; } else { strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_ICO if (imagetype==CXIMAGE_FORMAT_ICO){ CxImageICO newima; newima.SetFrame(GetFrame()); // ,29/01/02: handles multipage if (newima.Decode(hFile)){ Transfer(newima); return true; } else { info.nNumFrames = newima.info.nNumFrames; strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_GIF if (imagetype==CXIMAGE_FORMAT_GIF){ CxImageGIF newima; newima.SetFrame(GetFrame()); // ,29/01/02: handles multipage if (newima.Decode(hFile)){ Transfer(newima); return true; } else { info.nNumFrames = newima.info.nNumFrames; strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_PNG if (imagetype==CXIMAGE_FORMAT_PNG){ CxImagePNG newima; if (newima.Decode(hFile)){ Transfer(newima); return true; } else { strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_TIF if (imagetype==CXIMAGE_FORMAT_TIF){ CxImageTIF newima; newima.SetFrame(GetFrame()); // ,29/01/02: handles multipage if (newima.Decode(hFile)){ Transfer(newima); return true; } else { info.nNumFrames = newima.info.nNumFrames; strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_MNG if (imagetype==CXIMAGE_FORMAT_MNG){ CxImageMNG newima; newima.SetFrame(GetFrame()); // ,29/01/02: handles multipage if (newima.Decode(hFile)){ Transfer(newima); return true; } else { info.nNumFrames = newima.info.nNumFrames; strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_TGA if (imagetype==CXIMAGE_FORMAT_TGA){ CxImageTGA newima; if (newima.Decode(hFile)){ Transfer(newima); return true; } else { strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_PCX if (imagetype==CXIMAGE_FORMAT_PCX){ CxImagePCX newima; if (newima.Decode(hFile)){ Transfer(newima); return true; } else { strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_WBMP if (imagetype==CXIMAGE_FORMAT_WBMP){ CxImageWBMP newima; if (newima.Decode(hFile)){ Transfer(newima); return true; } else { strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_WMF && CXIMAGE_SUPPORT_WINDOWS // vho - WMF support if (imagetype == CXIMAGE_FORMAT_WMF){ CxImageWMF newima; if (newima.Decode(hFile)){ Transfer(newima); return true; } else { strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_J2K if (imagetype==CXIMAGE_FORMAT_J2K){ CxImageJ2K newima; if (newima.Decode(hFile)){ Transfer(newima); return true; } else { strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_JBG if (imagetype==CXIMAGE_FORMAT_JBG){ CxImageJBG newima; if (newima.Decode(hFile)){ Transfer(newima); return true; } else { strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif #if CXIMAGE_SUPPORT_JASPER if ( #if CXIMAGE_SUPPORT_JP2 imagetype==CXIMAGE_FORMAT_JP2 || #endif #if CXIMAGE_SUPPORT_JPC imagetype==CXIMAGE_FORMAT_JPC || #endif #if CXIMAGE_SUPPORT_PGX imagetype==CXIMAGE_FORMAT_PGX || #endif #if CXIMAGE_SUPPORT_PNM imagetype==CXIMAGE_FORMAT_PNM || #endif #if CXIMAGE_SUPPORT_RAS imagetype==CXIMAGE_FORMAT_RAS || #endif false ){ CxImageJAS newima; if (newima.Decode(hFile,imagetype)){ Transfer(newima); return true; } else { strcpy(info.szLastError,newima.GetLastError()); return false; } } #endif strcpy(info.szLastError,"Decode: Unknown or wrong format"); return false; } //////////////////////////////////////////////////////////////////////////////// #endif //CXIMAGE_SUPPORT_DECODE ////////////////////////////////////////////////////////////////////////////////