ximatga.h
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上传日期:2022-04-22
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- /*
- * 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 <ing.davide.pizzolato@libero.it>
- * 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