utilities/CxImage/ximaraw.h

   1 /*
   2  * File:        ximaraw.h
   3  * Purpose:     RAW Image Class Loader and Writer
   4  */
   5 /* ==========================================================
   6  * CxImageRAW (c) May/2006 pdw63
   7  * For conditions of distribution and use, see copyright notice in ximage.h
   8  * Special thanks to David Coffin for dcraw without which this class would not exist
   9  *
  10  * libdcr (c) Dec/2007 Davide Pizzolato - www.xdp.it
  11  *
  12  * based on dcraw.c -- Dave Coffin's raw photo decoder
  13  * Copyright 1997-2007 by Dave Coffin, dcoffin a cybercom o net
  14  * ==========================================================
  15  */
  16 #if !defined(__ximaRAW_h)
  17 #define __ximaRAW_h
  18
  19 #include "ximage.h"
  20
  21 #if CXIMAGE_SUPPORT_RAW
  22
  23 extern "C" {
  24  #include "../raw/libdcr.h"
  25 }
  26
  27 class CxImageRAW: public CxImage
  28 {
  29
  30 public:
  31         CxImageRAW(): CxImage(CXIMAGE_FORMAT_RAW) {}
  32
  33 //      bool Load(const char * imageFileName){ return CxImage::Load(imageFileName,CXIMAGE_FORMAT_ICO);}
  34 //      bool Save(const char * imageFileName){ return CxImage::Save(imageFileName,CXIMAGE_FORMAT_ICO);}
  35         bool Decode(CxFile * hFile);
  36         bool Decode(FILE *hFile) { CxIOFile file(hFile); return Decode(&file); }
  37
  38 #if CXIMAGE_SUPPORT_ENCODE
  39         bool Encode(CxFile * hFile);
  40         bool Encode(FILE *hFile) { CxIOFile file(hFile); return Encode(&file); }
  41 #endif // CXIMAGE_SUPPORT_ENCODE
  42
  43         enum CODEC_OPTION
  44         {
  45                 DECODE_QUALITY_LIN = 0x00,
  46                 DECODE_QUALITY_VNG = 0x01,
  47                 DECODE_QUALITY_PPG = 0x02,
  48                 DECODE_QUALITY_AHD = 0x03,
  49         };
  50
  51 protected:
  52
  53         class CxFileRaw
  54         {
  55         public:
  56                 CxFileRaw(CxFile* pFile,DCRAW *stream)
  57                 {
  58                         stream->obj_ = pFile;
  59
  60                         ras_stream_CxFile.read_ = raw_sfile_read;
  61                         ras_stream_CxFile.write_ = raw_sfile_write;
  62                         ras_stream_CxFile.seek_ = raw_sfile_seek;
  63                         ras_stream_CxFile.close_ = raw_sfile_close;
  64                         ras_stream_CxFile.gets_ = raw_sfile_gets;
  65                         ras_stream_CxFile.eof_ = raw_sfile_eof;
  66                         ras_stream_CxFile.tell_ = raw_sfile_tell;
  67                         ras_stream_CxFile.getc_ = raw_sfile_getc;
  68                         ras_stream_CxFile.scanf_ = raw_sfile_scanf;
  69
  70                         stream->ops_ = &ras_stream_CxFile;
  71
  72                 }
  73
  74                 static int raw_sfile_read(dcr_stream_obj *obj, void *buf, int size, int cnt)
  75                 {       return ((CxFile*)obj)->Read(buf,size,cnt); }
  76
  77                 static int raw_sfile_write(dcr_stream_obj *obj, void *buf, int size, int cnt)
  78                 {       return ((CxFile*)obj)->Write(buf,size,cnt); }
  79
  80                 static long raw_sfile_seek(dcr_stream_obj *obj, long offset, int origin)
  81                 {       return ((CxFile*)obj)->Seek(offset,origin); }
  82
  83                 static int raw_sfile_close(dcr_stream_obj *obj)
  84                 {       return 1; /*((CxFile*)obj)->Close();*/ }
  85
  86                 static char* raw_sfile_gets(dcr_stream_obj *obj, char *string, int n)
  87                 {       return ((CxFile*)obj)->GetS(string,n); }
  88
  89                 static int   raw_sfile_eof(dcr_stream_obj *obj)
  90                 {       return ((CxFile*)obj)->Eof(); }
  91
  92                 static long  raw_sfile_tell(dcr_stream_obj *obj)
  93                 {       return ((CxFile*)obj)->Tell(); }
  94
  95                 static int   raw_sfile_getc(dcr_stream_obj *obj)
  96                 {       return ((CxFile*)obj)->GetC(); }
  97
  98                 static int   raw_sfile_scanf(dcr_stream_obj *obj,const char *format, void* output)
  99                 {       return ((CxFile*)obj)->Scanf(format, output); }
 100
 101         private:
 102                 dcr_stream_ops ras_stream_CxFile;
 103         };
 104 };
 105
 106 #endif
 107
 108 #endif