www.pudn.com > cximage602_full.rar > ximapcx.h


/* 
 * 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