/*
* 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 Davide Pizzolato - www.xdp.it
* 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 5.99a 08/Feb/2004
* 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 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:
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
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