ximapcx.h
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上传日期:2022-04-22
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- /*
- * 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 <ing.davide.pizzolato@libero.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 5.00 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