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/*
* 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
{
uint8_t IdLength; // Image ID Field Length
uint8_t CmapType; // Color Map Type
uint8_t ImageType; // Image Type
uint16_t CmapIndex; // First Entry Index
uint16_t CmapLength; // Color Map Length
uint8_t CmapEntrySize; // Color Map Entry Size
uint16_t X_Origin; // X-origin of Image
uint16_t Y_Origin; // Y-origin of Image
uint16_t ImageWidth; // Image Width
uint16_t ImageHeight; // Image Height
uint8_t PixelDepth; // Pixel Depth
uint8_t 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:
uint8_t ExpandCompressedLine(uint8_t* pDest,TGAHEADER* ptgaHead,CxFile *hFile,int32_t width, int32_t y, uint8_t rleLeftover);
void ExpandUncompressedLine(uint8_t* pDest,TGAHEADER* ptgaHead,CxFile *hFile,int32_t width, int32_t y, int32_t xoffset);
void tga_toh(TGAHEADER* p);
};
#endif
#endif
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