65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
/*
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* File: ximapcx.h
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* Purpose: PCX Image Class Loader and Writer
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*/
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/* ==========================================================
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* CxImagePCX (c) 05/Jan/2002 Davide Pizzolato - www.xdp.it
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* For conditions of distribution and use, see copyright notice in ximage.h
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*
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* Parts of the code come from Paintlib: Copyright (c) 1996-1998 Ulrich von Zadow
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* ==========================================================
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*/
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#if !defined(__ximaPCX_h)
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#define __ximaPCX_h
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#include "ximage.h"
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#if CXIMAGE_SUPPORT_PCX
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class CxImagePCX: public CxImage
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{
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// PCX Image File
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#pragma pack(1)
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typedef struct tagPCXHEADER
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{
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char Manufacturer; // always 0X0A
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char Version; // version number
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char Encoding; // always 1
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char BitsPerPixel; // color bits
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uint16_t Xmin, Ymin; // image origin
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uint16_t Xmax, Ymax; // image dimensions
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uint16_t Hres, Vres; // resolution values
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uint8_t ColorMap[16][3]; // color palette
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char Reserved;
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char ColorPlanes; // color planes
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uint16_t BytesPerLine; // line buffer size
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uint16_t PaletteType; // grey or color palette
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char Filter[58];
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} PCXHEADER;
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#pragma pack()
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public:
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CxImagePCX(): CxImage(CXIMAGE_FORMAT_PCX) {}
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// bool Load(const TCHAR * imageFileName){ return CxImage::Load(imageFileName,CXIMAGE_FORMAT_PCX);}
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// bool Save(const TCHAR * imageFileName){ return CxImage::Save(imageFileName,CXIMAGE_FORMAT_PCX);}
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bool Decode(CxFile * hFile);
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bool Decode(FILE *hFile) { CxIOFile file(hFile); return Decode(&file); }
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#if CXIMAGE_SUPPORT_ENCODE
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bool Encode(CxFile * hFile);
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bool Encode(FILE *hFile) { CxIOFile file(hFile); return Encode(&file); }
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#endif // CXIMAGE_SUPPORT_ENCODE
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protected:
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bool PCX_PlanesToPixels(uint8_t * pixels, uint8_t * bitplanes, int16_t bytesperline, int16_t planes, int16_t bitsperpixel);
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bool PCX_UnpackPixels(uint8_t * pixels, uint8_t * bitplanes, int16_t bytesperline, int16_t planes, int16_t bitsperpixel);
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void PCX_PackPixels(const int32_t p,uint8_t &c, uint8_t &n, CxFile &f);
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void PCX_PackPlanes(uint8_t* buff, const int32_t size, CxFile &f);
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void PCX_PixelsToPlanes(uint8_t* raw, int32_t width, uint8_t* buf, int32_t plane);
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void PCX_toh(PCXHEADER* p);
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};
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#endif
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#endif
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