source: liacs/MIR2010/SourceCode/cximage/ximapcx.h@ 235

/*
 * 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