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ximaenc.cpp from aMSN at Krugle

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// xImaCodec.cpp : Encode Decode functions
/* 07/08/2001 v1.00 - Davide Pizzolato - www.xdp.it
 * CxImage version 5.99c 17/Oct/2004
 */

#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" // <vho> - 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
////////////////////////////////////////////////////////////////////////////////
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, 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
////////////////////////////////////////////////////////////////////////////////
// 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, DWORD 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, DWORD 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(BYTE * &buffer, long &size, DWORD 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 (implemented using CxMemFile or CxIOFile),
 * open and enabled for writing.
 * \param imagetype: file format, see ENUM_CXIMAGE_FORMATS
 * \return true if everything is ok
 * \sa ENUM_CXIMAGE_FORMATS
 */
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 // <vho> - 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;
}
////////////////////////////////////////////////////////////////////////////////
/**
 * 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, int pagecount, DWORD 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 (implemented using CxMemFile or CxIOFile).
 * \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(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;
}

////////////////////////////////////////////////////////////////////////////////
/**
 * 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.
 * \return true if everything is ok
 */
bool CxImage::Encode2RGBA(BYTE * &buffer, long &size)
{
	if (buffer!=NULL){
		strcpy(info.szLastError,"the buffer must be empty");
		return false;
	}
	CxMemFile file;
	file.Open();
	if(Encode2RGBA(&file)){
		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 (implemented using CxMemFile or CxIOFile).
 * \return true if everything is ok
 */
bool CxImage::Encode2RGBA(CxFile *hFile)
{
	if (EncodeSafeCheck(hFile)) return false;
	for (DWORD y = GetHeight()-1; (signed long) y > -1; y--) {
		for(DWORD x = 0; x<GetWidth(); 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, DWORD imagetype)
//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

#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, 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;
//}
////////////////////////////////////////////////////////////////////////////////
/**
 * 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, 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
////////////////////////////////////////////////////////////////////////////////
/**
 * 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, DWORD imagetype)
//CxImage::CxImage(const char * filename, DWORD 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, DWORD imagetype)
{
	Startup(imagetype);
	Decode(stream,imagetype);
}
////////////////////////////////////////////////////////////////////////////////
/**
 * Constructor from CxFile object, see Decode()
 * \param stream: file handle (implemented using CxMemFile or CxIOFile), with read access.
 * \param imagetype: file format, see ENUM_CXIMAGE_FORMATS
 */
CxImage::CxImage(CxFile * stream, DWORD 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(BYTE * buffer, DWORD size, DWORD 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(BYTE * buffer, DWORD size, DWORD 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, DWORD imagetype)
{
	CxIOFile file(hFile);
	return Decode(&file,imagetype);
}
////////////////////////////////////////////////////////////////////////////////
/**
 * Loads an image from CxFile object
 * \param hFile: file handle (implemented using 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, DWORD imagetype)
{

	if (imagetype==CXIMAGE_FORMAT_UNKNOWN){
		DWORD pos = hFile->Tell();
#if CXIMAGE_SUPPORT_BMP
		{ CxImageBMP newima; newima.CopyInfo(*this); if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); }
#endif
#if CXIMAGE_SUPPORT_JPG
		{ CxImageJPG newima; newima.CopyInfo(*this); if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); }
#endif
#if CXIMAGE_SUPPORT_ICO
		{ CxImageICO newima; newima.CopyInfo(*this); if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); }
#endif
#if CXIMAGE_SUPPORT_GIF
		{ CxImageGIF newima; newima.CopyInfo(*this); if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); }
#endif
#if CXIMAGE_SUPPORT_PNG
		{ CxImagePNG newima; newima.CopyInfo(*this); if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); }
#endif
#if CXIMAGE_SUPPORT_TIF
		{ CxImageTIF newima; newima.CopyInfo(*this); if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); }
#endif
#if CXIMAGE_SUPPORT_MNG
		{ CxImageMNG newima; newima.CopyInfo(*this); if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); }
#endif
#if CXIMAGE_SUPPORT_TGA
		{ CxImageTGA newima; newima.CopyInfo(*this); if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); }
#endif
#if CXIMAGE_SUPPORT_PCX
		{ CxImagePCX newima; newima.CopyInfo(*this); if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); }
#endif
#if CXIMAGE_SUPPORT_WBMP
		{ CxImageWBMP newima; newima.CopyInfo(*this); if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); }
#endif
#if CXIMAGE_SUPPORT_WMF && CXIMAGE_SUPPORT_WINDOWS
		{ CxImageWMF newima; newima.CopyInfo(*this); if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); }
#endif
#if CXIMAGE_SUPPORT_J2K
		{ CxImageJ2K newima; newima.CopyInfo(*this); if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); }
#endif
#if CXIMAGE_SUPPORT_JBG
		{ CxImageJBG newima; newima.CopyInfo(*this); if (newima.Decode(hFile)) { Transfer(newima); return true; } else hFile->Seek(pos,SEEK_SET); }
#endif
#if CXIMAGE_SUPPORT_JASPER
		{ CxImageJAS newima; newima.CopyInfo(*this); 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;
		newima.CopyInfo(*this);
		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;
		newima.CopyInfo(*this); // <ignacio>
		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.CopyInfo(*this);
		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.CopyInfo(*this);
		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;
		newima.CopyInfo(*this);
		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.CopyInfo(*this);
		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.CopyInfo(*this);
		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;
		newima.CopyInfo(*this);
		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;
		newima.CopyInfo(*this);
		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;
		newima.CopyInfo(*this);
		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;
		newima.CopyInfo(*this);
		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;
		newima.CopyInfo(*this);
		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;
		newima.CopyInfo(*this);
		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;
		newima.CopyInfo(*this);
		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;
}

////////////////////////////////////////////////////////////////////////////////
/**
 * Loads an image from CxFile object
 * \param hFile: file handle (implemented using 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::CheckFormat(BYTE * buffer, DWORD size, basic_image_information *basic_info)
{
	create_basic_image_information(CXIMAGE_FORMAT_UNKNOWN,0,0,basic_info);
#if CXIMAGE_SUPPORT_BMP
	{
	if (CxImageBMP::CheckFormat(buffer,size,basic_info)) 
		return true;
	}
#endif
#if CXIMAGE_SUPPORT_JPG
	{
	if (CxImageJPG::CheckFormat(buffer,size,basic_info)) 
		return true;
	}
#endif
/*#if CXIMAGE_SUPPORT_ICO
	{
	if (CxImageICO::CheckFormat(buffer,size,basic_info)) 
		return true;
	}
#endif*/
#if CXIMAGE_SUPPORT_GIF
	{
	if (CxImageGIF::CheckFormat(buffer,size,basic_info)) 
		return true;
	}
#endif
#if CXIMAGE_SUPPORT_PNG
	{
	if (CxImagePNG::CheckFormat(buffer,size,basic_info)) 
		return true;
	}
#endif
/*#if CXIMAGE_SUPPORT_TIF
	{
	if (CxImageTIF::CheckFormat(buffer,size,basic_info)) 
		return true;
	}
#endif*/
/*#if CXIMAGE_SUPPORT_MNG
	{
	if (CxImageMNG::CheckFormat(buffer,size,basic_info)) 
		return true;
	}
#endif*/
#if CXIMAGE_SUPPORT_TGA
	{
	if (CxImageTGA::CheckFormat(buffer,size,basic_info)) 
		return true;
	}
#endif
/*#if CXIMAGE_SUPPORT_PCX
	{
	if (CxImagePCX::CheckFormat(buffer,size,basic_info)) 
		return true;
	}
#endif*/
/*#if CXIMAGE_SUPPORT_WBMP
	{
	if (CxImageWBMP::CheckFormat(buffer,size,basic_info)) 
		return true;
	}
#endif*/
/*#if CXIMAGE_SUPPORT_WMF && CXIMAGE_SUPPORT_WINDOWS
	{
	if (CxImageWMF::CheckFormat(buffer,size,basic_info)) 
		return true;
	}
#endif*/
/*#if CXIMAGE_SUPPORT_J2K
	{
	if (CxImageJ2K::CheckFormat(buffer,size,basic_info)) 
		return true;
	}
#endif*/
/*#if CXIMAGE_SUPPORT_JBG
	{
	if (CxImageJBG::CheckFormat(buffer,size,basic_info)) 
		return true;
	}
#endif*/
/*#if CXIMAGE_SUPPORT_JASPER
	{
	if (CxImageJasper::CheckFormat(buffer,size,basic_info)) 
		return true;
	}
#endif*/

	return false;
}
////////////////////////////////////////////////////////////////////////////////
#endif //CXIMAGE_SUPPORT_DECODE
////////////////////////////////////////////////////////////////////////////////

See more files for this project here

aMSN

A very nice MSN compatible messenger application, aMSN Messenger is a multiplatform MSN messenger clone. Works pretty much like its Windows based counterpart. Perfect for keeping in touch with those friends who have not yet seen the light. Works on linux

Project homepage: http://sourceforge.net/projects/amsn
Programming language(s): C,C++,PHP,Tcl,XML
License: other

  Rules.mk
  cximage.dsp
  cximage.dsw
  license.txt
  xfile.h
  ximabmp.cpp
  ximabmp.h
  ximacfg.h
  ximadef.h
  ximadsp.cpp
  ximaenc.cpp
  ximaexif.cpp
  ximage.cpp
  ximage.h
  ximagif.cpp
  ximagif.h
  ximahist.cpp
  ximainfo.cpp
  ximaint.cpp
  ximaiter.h
  ximajpg.cpp
  ximajpg.h
  ximalpha.cpp
  ximalyr.cpp
  ximapal.cpp
  ximapng.cpp
  ximapng.h
  ximasel.cpp
  ximatga.cpp
  ximatga.h
  ximath.cpp
  ximath.h
  ximatran.cpp
  xiofile.h
  xmemfile.cpp
  xmemfile.h