ximatga.h
上传用户:pass2008
上传日期:2021-07-05
资源大小:3299k
文件大小:2k
- /*
- * 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