📄 ximaenc.cpp

📁 对CFileException进行修改后这个血管提取的程序已经可以在VC8下面编译了但是还有点内存泄露没有进行修正等有时间了在进行修改
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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 = 0; y<GetHeight(); 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.
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