src/format_fuji.c

   1 /*
   2  *  GQView
   3  *  (C) 2005 John Ellis
   4  *
   5  *  Authors:
   6  *    Original version 2005 Lars Ellenberg, base on dcraw by David coffin.
   7  *
   8  * This software is released under the GNU General Public License (GNU GPL).
   9  * Please read the included file COPYING for more information.
  10  * This software comes with no warranty of any kind, use at your own risk!
  11  */
  12
  13 #ifdef HAVE_CONFIG_H
  14 #  include "config.h"
  15 #endif
  16
  17
  18 #include <stdio.h>
  19 #include <string.h>
  20 #include <unistd.h>
  21
  22 #include <glib.h>
  23
  24 #include "intl.h"
  25
  26 #include "format_fuji.h"
  27 #include "format_raw.h"
  28
  29 #include "exif.h"
  30
  31
  32 gint format_fuji_raw(const void *data, const guint len,
  33                      guint *image_offset, guint *exif_offset)
  34 {
  35         guint io;
  36         guint eo;
  37
  38         if (len < 128 ||
  39             memcmp(data, "FUJIFILM", 8) != 0)
  40                 {
  41                 return FALSE;
  42                 }
  43
  44         io = GUINT32_FROM_BE(*(guint32*)(data + 84));
  45         eo = *image_offset + 12;
  46
  47         /* verify jpeg marker */
  48         if (memcmp(data + io, "\xff\xd8\xff\xe1", 4) != 0)
  49                 {
  50                 return FALSE;
  51                 }
  52
  53         if (image_offset) *image_offset = io;
  54         if (exif_offset) *exif_offset = eo;
  55
  56         printf("raw Fuji format file\n");
  57
  58         return TRUE;
  59 }
  60
  61
  62 /*
  63  *-----------------------------------------------------------------------------
  64  * EXIF Makernote for Fujifilm
  65  *-----------------------------------------------------------------------------
  66  */
  67
  68 static ExifTextList FujiTagSharpness[] = {
  69         { 1,    "soft" },
  70         { 2,    "soft" },
  71         { 3,    "normal" },
  72         { 4,    "hard" },
  73         { 5,    "hard" },
  74         EXIF_TEXT_LIST_END
  75 };
  76
  77 static ExifTextList FujiTagWhiteBalance[]= {
  78         { 0,    "auto" },
  79         { 256,  "daylight" },
  80         { 512,  "cloudy" },
  81         { 768,  "daylight color-fluorescence" },
  82         { 769,  "daywhite color-fluorescence" },
  83         { 770,  "white-fluorescence" },
  84         { 1024, "incandescent" },
  85         { 3840, "custom" },
  86         EXIF_TEXT_LIST_END
  87 };
  88
  89 static ExifTextList FujiTagColorTone[]= {
  90         { 0,    "normal" },
  91         { 256,  "high" },
  92         { 512,  "low" },
  93         EXIF_TEXT_LIST_END
  94 };
  95
  96 static ExifTextList FujiTagFlashMode[]= {
  97         { 0,    "auto" },
  98         { 1,    "on" },
  99         { 2,    "off" },
 100         { 3,    "red-eye reduction" },
 101         EXIF_TEXT_LIST_END
 102 };
 103
 104 static ExifTextList FujiTagOffOn[]= {
 105         { 0,    "off" },
 106         { 1,    "on" },
 107         EXIF_TEXT_LIST_END
 108 };
 109
 110 static ExifTextList FujiTagFocusMode[]= {
 111         { 0,    "auto" },
 112         { 1,    "manual" },
 113         EXIF_TEXT_LIST_END
 114 };
 115
 116 static ExifTextList FujiTagPictureMode[]= {
 117         { 0,    "auto" },
 118         { 1,    "portrait" },
 119         { 2,    "landscape" },
 120         { 4,    "sports" },
 121         { 5,    "night" },
 122         { 6,    "program AE" },
 123         { 256,  "aperture priority AE" },
 124         { 512,  "shutter priority AE" },
 125         { 768,  "manual" },
 126         EXIF_TEXT_LIST_END
 127 };
 128
 129 static ExifTextList FujiTagNoYes[]= {
 130         { 0,    "no" },
 131         { 1,    "yes" },
 132         EXIF_TEXT_LIST_END
 133 };
 134
 135 #if 0
 136 static ExifTextList FujiTag[]= {
 137         { ,     "" },
 138         { ,     "" },
 139         EXIF_TEXT_LIST_END
 140 };
 141 #endif
 142
 143
 144 static ExifMarker FujiExifMarkersList[] = {
 145 { 0x1000,       EXIF_FORMAT_STRING, 8,          "MkN.Fuji.Quality",     "Quality",      NULL },
 146 { 0x1001,       EXIF_FORMAT_SHORT_UNSIGNED, 1,  "MkN.Fuji.Sharpness",   "Sharpness",    FujiTagSharpness },
 147 { 0x1002,       EXIF_FORMAT_SHORT_UNSIGNED, 1,  "MkN.Fuji.WhiteBalance","White balance",FujiTagWhiteBalance },
 148 { 0x1003,       EXIF_FORMAT_SHORT_UNSIGNED, 1,  "MkN.Fuji.Color",       "Color",        FujiTagColorTone },
 149 { 0x1004,       EXIF_FORMAT_SHORT_UNSIGNED, 1,  "MkN.Fuji.Tone",        "Tone",         FujiTagColorTone },
 150 { 0x1010,       EXIF_FORMAT_SHORT_UNSIGNED, 1,  "MkN.Fuji.FlashMode",   "Flash mode",   FujiTagFlashMode },
 151 { 0x1011,       EXIF_FORMAT_RATIONAL, 1,        "MkN.Fuji.FlashStrength", "Flash strength", NULL },
 152 { 0x1020,       EXIF_FORMAT_SHORT_UNSIGNED, 1,  "MkN.Fuji.Macro",       "Macro",        FujiTagOffOn },
 153 { 0x1021,       EXIF_FORMAT_SHORT_UNSIGNED, 1,  "MkN.Fuji.FocusMode",   "Focus mode",   FujiTagFocusMode },
 154 { 0x1030,       EXIF_FORMAT_SHORT_UNSIGNED, 1,  "MkN.Fuji.SlowSync",    "Slow synchro", FujiTagOffOn },
 155 { 0x1031,       EXIF_FORMAT_SHORT_UNSIGNED, 1,  "MkN.Fuji.PictureMode", "Picture mode", FujiTagPictureMode },
 156 { 0x1100,       EXIF_FORMAT_SHORT_UNSIGNED, 1,  "MkN.Fuji.ContTake/Bracket",
 157                                                         "Continuous / Auto bracket",    FujiTagOffOn },
 158 { 0x1300,       EXIF_FORMAT_SHORT_UNSIGNED, 1,  "MkN.Fuji.BlurWarning", "Blue warning", FujiTagNoYes },
 159 { 0x1301,       EXIF_FORMAT_SHORT_UNSIGNED, 1,  "MkN.Fuji.FocusWarning","Focus warning",FujiTagNoYes },
 160 { 0x1302,       EXIF_FORMAT_SHORT_UNSIGNED, 1,  "MkN.Fuji.AEWarning",   "AE warning",   FujiTagNoYes },
 161 EXIF_MARKER_LIST_END
 162 };
 163
 164
 165
 166 gint format_fuji_makernote(ExifData *exif, unsigned char *tiff, guint offset,
 167                            guint size, ExifByteOrder byte_order)
 168 {
 169         unsigned char *data;
 170         guint ifdstart;
 171
 172         if (offset + 8 + 4 >= size) return FALSE;
 173
 174         data = tiff + offset;
 175         if (memcmp(data, "FUJIFILM", 8) != 0) return FALSE;
 176
 177         ifdstart = exif_byte_get_int32(data + 8, EXIF_BYTE_ORDER_INTEL);
 178         if (offset + ifdstart >= size) return FALSE;
 179
 180         if (exif_parse_IFD_table(exif, tiff + offset, ifdstart, size - offset,
 181                                  EXIF_BYTE_ORDER_INTEL, FujiExifMarkersList) != 0)
 182                 {
 183                 return FALSE;
 184                 }
 185
 186         return TRUE;
 187 }
 188