libs/libkdcraw/libraw/samples/identify.cpp

   1 /* -*- C++ -*-
   2  * File: identify.cpp
   3  * Copyright 2008-2009 Alex Tutubalin <lexa@lexa.ru>
   4  * Created: Sat Mar  8 , 2008
   5  *
   6  * LibRaw C++ demo (emulates dcraw -i [-v])
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2, or (at your option)
  11  * any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  21  * 02111-1307, USA.
  22  */
  23
  24 #include <stdio.h>
  25 #include <string.h>
  26 #include <math.h>
  27 #include <time.h>
  28
  29 #include "libraw/libraw.h"
  30
  31 #ifdef WIN32
  32 #define snprintf _snprintf
  33 #endif
  34
  35
  36 int main(int ac, char *av[])
  37 {
  38     int verbose = 0, ret,print_unpack=0,print_frame=0;
  39     LibRaw MyCoolRawProcessor;
  40
  41     for (int i=1;i<ac;i++) {
  42         if(av[i][0]=='-')
  43             {
  44                 if(av[i][1]=='v' && av[i][2]==0) verbose++;
  45                 if(av[i][1]=='u' && av[i][2]==0) print_unpack++;
  46                 if(av[i][1]=='f' && av[i][2]==0) print_frame++;
  47                 continue;
  48             }
  49         if( (ret = MyCoolRawProcessor.open_file(av[i])) != LIBRAW_SUCCESS)
  50             {
  51                 printf("Cannot decode %s: %s\n",av[i],libraw_strerror(ret));
  52                 continue; // no recycle, open_file will recycle
  53             }
  54         if(verbose) {
  55
  56 #define P1 MyCoolRawProcessor.imgdata.idata
  57 #define P2 MyCoolRawProcessor.imgdata.other
  58
  59 #define S MyCoolRawProcessor.imgdata.sizes
  60 #define O MyCoolRawProcessor.imgdata.params
  61 #define C MyCoolRawProcessor.imgdata.color
  62 #define T MyCoolRawProcessor.imgdata.thumbnail
  63
  64
  65             if( (ret =  MyCoolRawProcessor.adjust_sizes_info_only()))
  66             {
  67                 printf("Cannot decode %s: %s\n",av[i],libraw_strerror(ret));
  68                 continue; // no recycle, open_file will recycle
  69             }
  70
  71             printf ("\nFilename: %s\n", av[i]);
  72             printf ("Timestamp: %s", ctime(&(P2.timestamp)));
  73             printf ("Camera: %s %s\n", P1.make, P1.model);
  74             if (P2.artist[0])
  75                 printf ("Owner: %s\n", P2.artist);
  76             if (P1.dng_version) {
  77                 printf ("DNG Version: ");
  78                 for (int i=24; i >= 0; i -= 8)
  79                     printf ("%d%c", P1.dng_version >> i & 255, i ? '.':'\n');
  80             }
  81             printf ("ISO speed: %d\n", (int) P2.iso_speed);
  82             printf ("Shutter: ");
  83             if (P2.shutter > 0 && P2.shutter < 1)
  84                 P2.shutter = (printf ("1/"), 1 / P2.shutter);
  85             printf ("%0.1f sec\n", P2.shutter);
  86             printf ("Aperture: f/%0.1f\n", P2.aperture);
  87             printf ("Focal length: %0.1f mm\n", P2.focal_len);
  88             if(C.profile)
  89                 printf ("Embedded ICC profile: yes, %d bytes\n", C.profile_length);
  90             else
  91                 printf ("Embedded ICC profile: no\n", C.profile_length);
  92
  93             printf ("Number of raw images: %d\n", P1.raw_count);
  94             if (S.pixel_aspect != 1)
  95                 printf ("Pixel Aspect Ratio: %0.6f\n", S.pixel_aspect);
  96             if (T.tlength)
  97                 printf ("Thumb size:  %4d x %d\n", T.twidth, T.theight);
  98             printf ("Full size:   %4d x %d\n", S.raw_width, S.raw_height);
  99
 100             printf ("Image size:  %4d x %d\n", S.width, S.height);
 101             printf ("Output size: %4d x %d\n", S.iwidth, S.iheight);
 102             printf ("Raw colors: %d", P1.colors);
 103             if (P1.filters)
 104                 {
 105                     printf ("\nFilter pattern: ");
 106                     if (!P1.cdesc[3]) P1.cdesc[3] = 'G';
 107                     for (int i=0; i < 16; i++)
 108                         putchar (P1.cdesc[MyCoolRawProcessor.fc(i >> 1,i & 1)]);
 109                 }
 110             printf ("\nDaylight multipliers:");
 111             for(int c=0;c<P1.colors;c++) printf (" %f", C.pre_mul[c]);
 112             if (C.cam_mul[0] > 0)
 113                 {
 114                     printf ("\nCamera multipliers:");
 115                     for(int c=0;c<4;c++) printf (" %f", C.cam_mul[c]);
 116                 }
 117             char *csl[] = {"U","I","CO","L","CA"};
 118             printf("\nColor sources /Legend: (U)nknown, (I)nit, (CO)nstant, (L)oaded, (CA)lculated/:\n");
 119             printf("\tcurve=%s; rgb_cam=%s; cmatrix=%s, pre_mul=%s, cam_mul=%s",
 120                    csl[C.color_flags.curve_state],csl[C.color_flags.rgb_cam_state],
 121                    csl[C.color_flags.cmatrix_state],csl[C.color_flags.pre_mul_state],
 122                    csl[C.color_flags.cam_mul_state]);
 123             putchar ('\n');
 124             printf("Cam->XYZ matrix:\n");
 125             for(int i=0; i< 4; i++)
 126                 printf("%6.4f\t%6.4f\t%6.4f\n",C.cam_xyz[i][0],C.cam_xyz[i][1],C.cam_xyz[i][2]);
 127         }
 128         else
 129             {
 130                 if(print_unpack)
 131                     {
 132                         char frame[32]="";
 133                         if(print_frame)
 134                             snprintf(frame,32,"%dx%dx%dx%d",S.left_margin,S.top_margin,S.right_margin,S.bottom_margin);
 135                         printf ("%s\t%s\t%s\t%s/%s\n",
 136                                 av[i],
 137                                 MyCoolRawProcessor.unpack_function_name(),
 138                                 frame,
 139                                 P1.make, P1.model);
 140                     }
 141                 else
 142                     printf ("%s is a %s %s image.\n", av[i],P1.make, P1.model);
 143             }
 144         MyCoolRawProcessor.recycle();
 145     }// endfor
 146     return 0;
 147 }