www.pudn.com > cximage602_full.rar > ximatga.h

/* 
 * File:	ximatga.h 
 * Purpose:	TARGA Image Class Loader and Writer 
 */ 
/* ========================================================== 
 * CxImageTGA (c) 05/Jan/2002 Davide Pizzolato - www.xdp.it 
 * For conditions of distribution and use, see copyright notice in ximage.h 
 * 
 * Parts of the code come from Paintlib : Copyright (c) 1996-1998 Ulrich von Zadow 
 * ========================================================== 
 */ 
#if !defined(__ximaTGA_h) 
#define __ximaTGA_h 
 
#include "ximage.h" 
 
#if CXIMAGE_SUPPORT_TGA 
 
class CxImageTGA: public CxImage 
{ 
#pragma pack(1) 
typedef struct tagTgaHeader 
{ 
    BYTE   IdLength;            // Image ID Field Length 
    BYTE   CmapType;            // Color Map Type 
    BYTE   ImageType;           // Image Type 
 
    WORD   CmapIndex;           // First Entry Index 
    WORD   CmapLength;          // Color Map Length 
    BYTE   CmapEntrySize;       // Color Map Entry Size 
 
    WORD   X_Origin;            // X-origin of Image 
    WORD   Y_Origin;            // Y-origin of Image 
    WORD   ImageWidth;          // Image Width 
    WORD   ImageHeight;         // Image Height 
    BYTE   PixelDepth;          // Pixel Depth 
    BYTE   ImagDesc;            // Image Descriptor 
} TGAHEADER; 
#pragma pack() 
 
public: 
	CxImageTGA(): CxImage(CXIMAGE_FORMAT_TGA) {} 
 
//	bool Load(const TCHAR * imageFileName){ return CxImage::Load(imageFileName,CXIMAGE_FORMAT_TGA);} 
//	bool Save(const TCHAR * imageFileName){ return CxImage::Save(imageFileName,CXIMAGE_FORMAT_TGA);} 
	bool Decode(CxFile * hFile); 
	bool Decode(FILE *hFile) { CxIOFile file(hFile); return Decode(&file); } 
 
#if CXIMAGE_SUPPORT_ENCODE 
	bool Encode(CxFile * hFile); 
	bool Encode(FILE *hFile) { CxIOFile file(hFile); return Encode(&file); } 
#endif // CXIMAGE_SUPPORT_ENCODE 
protected: 
	BYTE ExpandCompressedLine(BYTE* pDest,TGAHEADER* ptgaHead,CxFile *hFile,int width, int y, BYTE rleLeftover); 
	void ExpandUncompressedLine(BYTE* pDest,TGAHEADER* ptgaHead,CxFile *hFile,int width, int y, int xoffset); 
	void tga_toh(TGAHEADER* p); 
}; 
 
#endif 
 
#endif