www.pudn.com > CXIMAGE_SRC.ZIP > ximapcx.h

/* 
 * File:	ximapcx.h 
 * Purpose:	PCX Image Class Loader and Writer 
 */ 
/* === C R E D I T S  &  D I S C L A I M E R S ============== 
 * CxImagePCX (c) 05/Jan/2002  
 * Permission is given by the author to freely redistribute and include 
 * this code in any program as long as this credit is given where due. 
 * 
 * CxImage version 5.00 23/Aug/2002 
 * See the file history.htm for the complete bugfix and news report. 
 * 
 * Parts of the code come from Paintlib 
 * Copyright (c) 1996-1998 Ulrich von Zadow 
 * 
 * COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY 
 * OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES 
 * THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE 
 * OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED 
 * CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT 
 * THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY 
 * SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL 
 * PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER 
 * THIS DISCLAIMER. 
 * 
 * Use at your own risk! 
 * ========================================================== 
 */ 
#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 char * imageFileName){ return CxImage::Load(imageFileName,CXIMAGE_FORMAT_PCX);} 
//	bool Save(const char * imageFileName){ return CxImage::Save(imageFileName,CXIMAGE_FORMAT_PCX);} 
	bool Decode(CxFile * hFile); 
	bool Encode(CxFile * hFile); 
 
	bool Decode(FILE *hFile) { CxIOFile file(hFile); return Decode(&file); } 
	bool Encode(FILE *hFile) { CxIOFile file(hFile); return Encode(&file); } 
protected: 
	void PCX_PlanesToPixels(BYTE * pixels, BYTE * bitplanes, short bytesperline, short planes, short bitsperpixel); 
	void 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); 
}; 
 
#endif 
 
#endif