/*
* 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
uint16_t Xmin, Ymin; // image origin
uint16_t Xmax, Ymax; // image dimensions
uint16_t Hres, Vres; // resolution values
uint8_t ColorMap[16][3]; // color palette
char Reserved;
char ColorPlanes; // color planes
uint16_t BytesPerLine; // line buffer size
uint16_t 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(uint8_t * pixels, uint8_t * bitplanes, int16_t bytesperline, int16_t planes, int16_t bitsperpixel);
bool PCX_UnpackPixels(uint8_t * pixels, uint8_t * bitplanes, int16_t bytesperline, int16_t planes, int16_t bitsperpixel);
void PCX_PackPixels(const int32_t p,uint8_t &c, uint8_t &n, CxFile &f);
void PCX_PackPlanes(uint8_t* buff, const int32_t size, CxFile &f);
void PCX_PixelsToPlanes(uint8_t* raw, int32_t width, uint8_t* buf, int32_t plane);
void PCX_toh(PCXHEADER* p);
};
#endif
#endif
