www.pudn.com > cximage602_full.rar > ximaraw.h


/* 
 * File:	ximaraw.h 
 * Purpose:	RAW Image Class Loader and Writer 
 */ 
/* ========================================================== 
 * CxImageRAW (c) May/2006 pdw63 
 * For conditions of distribution and use, see copyright notice in ximage.h 
 * Special thanks to David Coffin for dcraw without which this class would not exist 
 * 
 * libdcr (c) Dec/2007 Davide Pizzolato - www.xdp.it 
 * 
 * based on dcraw.c -- Dave Coffin's raw photo decoder 
 * Copyright 1997-2007 by Dave Coffin, dcoffin a cybercom o net 
 * ========================================================== 
 */ 
#if !defined(__ximaRAW_h) 
#define __ximaRAW_h 
 
#include "ximage.h" 
 
#if CXIMAGE_SUPPORT_RAW 
 
extern "C" { 
 #include "../raw/libdcr.h" 
} 
 
class CxImageRAW: public CxImage 
{ 
 
public: 
	CxImageRAW(): CxImage(CXIMAGE_FORMAT_RAW) {} 
 
//	bool Load(const char * imageFileName){ return CxImage::Load(imageFileName,CXIMAGE_FORMAT_ICO);} 
//	bool Save(const char * imageFileName){ return CxImage::Save(imageFileName,CXIMAGE_FORMAT_ICO);} 
	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 
 
	enum CODEC_OPTION 
	{ 
		DECODE_QUALITY_LIN = 0x00, 
		DECODE_QUALITY_VNG = 0x01, 
		DECODE_QUALITY_PPG = 0x02, 
		DECODE_QUALITY_AHD = 0x03, 
	};  
 
protected: 
 
	class CxFileRaw 
	{ 
	public: 
		CxFileRaw(CxFile* pFile,DCRAW *stream) 
		{ 
			stream->obj_ = pFile; 
 
			ras_stream_CxFile.read_ = raw_sfile_read; 
			ras_stream_CxFile.write_ = raw_sfile_write; 
			ras_stream_CxFile.seek_ = raw_sfile_seek; 
			ras_stream_CxFile.close_ = raw_sfile_close; 
			ras_stream_CxFile.gets_ = raw_sfile_gets; 
			ras_stream_CxFile.eof_ = raw_sfile_eof; 
			ras_stream_CxFile.tell_ = raw_sfile_tell; 
			ras_stream_CxFile.getc_ = raw_sfile_getc; 
			ras_stream_CxFile.scanf_ = raw_sfile_scanf; 
 
			stream->ops_ = &ras_stream_CxFile; 
 
		} 
 
		static int raw_sfile_read(dcr_stream_obj *obj, void *buf, int size, int cnt) 
		{	return ((CxFile*)obj)->Read(buf,size,cnt); } 
 
		static int raw_sfile_write(dcr_stream_obj *obj, void *buf, int size, int cnt) 
		{	return ((CxFile*)obj)->Write(buf,size,cnt); } 
 
		static long raw_sfile_seek(dcr_stream_obj *obj, long offset, int origin) 
		{	return ((CxFile*)obj)->Seek(offset,origin); } 
 
		static int raw_sfile_close(dcr_stream_obj *obj) 
		{	return 1; /*((CxFile*)obj)->Close();*/ } 
 
		static char* raw_sfile_gets(dcr_stream_obj *obj, char *string, int n) 
		{	return ((CxFile*)obj)->GetS(string,n); } 
 
		static int   raw_sfile_eof(dcr_stream_obj *obj) 
		{	return ((CxFile*)obj)->Eof(); } 
 
		static long  raw_sfile_tell(dcr_stream_obj *obj) 
		{	return ((CxFile*)obj)->Tell(); } 
 
		static int   raw_sfile_getc(dcr_stream_obj *obj) 
		{	return ((CxFile*)obj)->GetC(); } 
 
		static int   raw_sfile_scanf(dcr_stream_obj *obj,const char *format, void* output) 
		{	return ((CxFile*)obj)->Scanf(format, output); } 
 
	private: 
		dcr_stream_ops ras_stream_CxFile; 
	}; 
}; 
 
#endif 
 
#endif