www.pudn.com > CXIMAGE_SRC.ZIP > ximatga.h

/* 
 * File:	ximatga.h 
 * Purpose:	TARGA Image Class Loader and Writer 
 */ 
/* === C R E D I T S  &  D I S C L A I M E R S ============== 
 * CxImageTGA (c) 05/Jan/2002  
 * Permission is given by the author to freely redistribute and include 
 * this code in any program as long as this credit is given where due. 
 * 
 * CxImage version 5.00 23/Aug/2002 
 * See the file history.htm for the complete bugfix and news report. 
 * 
 * Parts of the code come from Paintlib 
 * Copyright (c) 1996-1998 Ulrich von Zadow 
 * 
 * COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY 
 * OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES 
 * THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE 
 * OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED 
 * CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT 
 * THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY 
 * SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL 
 * PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER 
 * THIS DISCLAIMER. 
 * 
 * Use at your own risk! 
 * ========================================================== 
 */ 
#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 char * imageFileName){ return CxImage::Load(imageFileName,CXIMAGE_FORMAT_TGA);} 
//	bool Save(const char * imageFileName){ return CxImage::Save(imageFileName,CXIMAGE_FORMAT_TGA);} 
	bool Decode(CxFile * hFile); 
	bool Encode(CxFile * hFile); 
 
	bool Decode(FILE *hFile) { CxIOFile file(hFile); return Decode(&file); } 
	bool Encode(FILE *hFile) { CxIOFile file(hFile); return Encode(&file); } 
protected: 
	void ExpandCompressedLine(BYTE* pDest,TGAHEADER* ptgaHead,CxFile *hFile,int width, int y); 
	void ExpandUncompressedLine(BYTE* pDest,TGAHEADER* ptgaHead,CxFile *hFile,int width, int y, int xoffset); 
}; 
 
#endif 
 
#endif