62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
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/*
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* File: ximatga.h
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* Purpose: TARGA Image Class Loader and Writer
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*/
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/* ==========================================================
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* CxImageTGA (c) 05/Jan/2002 Davide Pizzolato - www.xdp.it
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* For conditions of distribution and use, see copyright notice in ximage.h
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*
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* Parts of the code come from Paintlib : Copyright (c) 1996-1998 Ulrich von Zadow
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* ==========================================================
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*/
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#if !defined(__ximaTGA_h)
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#define __ximaTGA_h
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#include "ximage.h"
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#if CXIMAGE_SUPPORT_TGA
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class CxImageTGA: public CxImage
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{
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#pragma pack(1)
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typedef struct tagTgaHeader
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{
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uint8_t IdLength; // Image ID Field Length
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uint8_t CmapType; // Color Map Type
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uint8_t ImageType; // Image Type
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uint16_t CmapIndex; // First Entry Index
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uint16_t CmapLength; // Color Map Length
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uint8_t CmapEntrySize; // Color Map Entry Size
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uint16_t X_Origin; // X-origin of Image
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uint16_t Y_Origin; // Y-origin of Image
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uint16_t ImageWidth; // Image Width
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uint16_t ImageHeight; // Image Height
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uint8_t PixelDepth; // Pixel Depth
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uint8_t ImagDesc; // Image Descriptor
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} TGAHEADER;
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#pragma pack()
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public:
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CxImageTGA(): CxImage(CXIMAGE_FORMAT_TGA) {}
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// bool Load(const TCHAR * imageFileName){ return CxImage::Load(imageFileName,CXIMAGE_FORMAT_TGA);}
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// bool Save(const TCHAR * imageFileName){ return CxImage::Save(imageFileName,CXIMAGE_FORMAT_TGA);}
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bool Decode(CxFile * hFile);
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bool Decode(FILE *hFile) { CxIOFile file(hFile); return Decode(&file); }
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#if CXIMAGE_SUPPORT_ENCODE
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bool Encode(CxFile * hFile);
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bool Encode(FILE *hFile) { CxIOFile file(hFile); return Encode(&file); }
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#endif // CXIMAGE_SUPPORT_ENCODE
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protected:
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uint8_t ExpandCompressedLine(uint8_t* pDest,TGAHEADER* ptgaHead,CxFile *hFile,int32_t width, int32_t y, uint8_t rleLeftover);
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void ExpandUncompressedLine(uint8_t* pDest,TGAHEADER* ptgaHead,CxFile *hFile,int32_t width, int32_t y, int32_t xoffset);
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void tga_toh(TGAHEADER* p);
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};
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#endif
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#endif
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