ximapcx.h
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上传日期:2021-07-05
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- /*
- * File: ximapcx.h
- * Purpose: PCX Image Class Loader and Writer
- */
- /* ==========================================================
- * CxImagePCX (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(__ximaPCX_h)
- #define __ximaPCX_h
- #include "ximage.h"
- #if CXIMAGE_SUPPORT_PCX
- class CxImagePCX: public CxImage
- {
- // PCX Image File
- #pragma pack(1)
- typedef struct tagPCXHEADER
- {
- char Manufacturer; // always 0X0A
- char Version; // version number
- char Encoding; // always 1
- char BitsPerPixel; // color bits
- WORD Xmin, Ymin; // image origin
- WORD Xmax, Ymax; // image dimensions
- WORD Hres, Vres; // resolution values
- BYTE ColorMap[16][3]; // color palette
- char Reserved;
- char ColorPlanes; // color planes
- WORD BytesPerLine; // line buffer size
- WORD PaletteType; // grey or color palette
- char Filter[58];
- } PCXHEADER;
- #pragma pack()
- public:
- CxImagePCX(): CxImage(CXIMAGE_FORMAT_PCX) {}
- // bool Load(const TCHAR * imageFileName){ return CxImage::Load(imageFileName,CXIMAGE_FORMAT_PCX);}
- // bool Save(const TCHAR * imageFileName){ return CxImage::Save(imageFileName,CXIMAGE_FORMAT_PCX);}
- 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:
- bool PCX_PlanesToPixels(BYTE * pixels, BYTE * bitplanes, short bytesperline, short planes, short bitsperpixel);
- bool PCX_UnpackPixels(BYTE * pixels, BYTE * bitplanes, short bytesperline, short planes, short bitsperpixel);
- void PCX_PackPixels(const long p,BYTE &c, BYTE &n, CxFile &f);
- void PCX_PackPlanes(BYTE* buff, const long size, CxFile &f);
- void PCX_PixelsToPlanes(BYTE* raw, long width, BYTE* buf, long plane);
- void PCX_toh(PCXHEADER* p);
- };
- #endif
- #endif