src/format_raw.h

   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 #ifndef __FORMAT_RAW_H
  14 #define __FORMAT_RAW_H
  15
  16
  17 #include "exif.h"
  18
  19
  20 typedef enum {
  21         FORMAT_RAW_MATCH_MAGIC,
  22         FORMAT_RAW_MATCH_TIFF_MAKE
  23 } FormatRawMatchType;
  24
  25 typedef enum {
  26         FORMAT_RAW_EXIF_NONE,
  27         FORMAT_RAW_EXIF_TIFF,
  28         FORMAT_RAW_EXIF_JPEG,
  29         FORMAT_RAW_EXIF_IFD_II,
  30         FORMAT_RAW_EXIF_IFD_MM,
  31         FORMAT_RAW_EXIF_PROPRIETARY
  32 } FormatRawExifType;
  33
  34 typedef gint (* FormatRawParseFunc)(unsigned char *data, const guint len,
  35                                     guint *image_offset, guint *exif_offset);
  36
  37 typedef gint (* FormatRawExifParseFunc)(unsigned char *data, const guint len,
  38                                         ExifData *exif);
  39
  40 gint format_raw_img_exif_offsets(unsigned char *data, const guint len,
  41                                  guint *image_offset, guint *exif_offset);
  42 gint format_raw_img_exif_offsets_fd(int fd, const gchar *path,
  43                                     unsigned char *header_data, const guint header_len,
  44                                     guint *image_offset, guint *exif_offset);
  45
  46 FormatRawExifType format_raw_exif_offset(unsigned char *data, const guint len, guint *exif_offset,
  47                                          FormatRawExifParseFunc *exif_parse_func);
  48
  49
  50 typedef enum {
  51         FORMAT_EXIF_MATCH_MAKE,
  52         FORMAT_EXIF_MATCH_MAKERNOTE
  53 } FormatExifMatchType;
  54
  55 typedef gint (* FormatExifParseFunc)(ExifData *exif, unsigned char *tiff, guint offset,
  56                                     guint size, ExifByteOrder bo);
  57
  58 gint format_exif_makernote_parse(ExifData *exif, unsigned char *tiff, guint offset,
  59                                  guint size, ExifByteOrder bo);
  60
  61
  62 #define DEBUG_RAW_TIFF 0
  63
  64 #if DEBUG_RAW_TIFF
  65
  66 #define FORMAT_RAW_DEBUG_TIFF { "", \
  67                                 FORMAT_RAW_MATCH_MAGIC,     0, "II", 2, \
  68                                 FORMAT_RAW_EXIF_NONE, NULL, \
  69                                 "Tiff debugger II", format_debug_tiff_raw }, \
  70                               { "", \
  71                                 FORMAT_RAW_MATCH_MAGIC,     0, "MM", 2, \
  72                                 FORMAT_RAW_EXIF_NONE, NULL, \
  73                                 "Tiff debugger MM", format_debug_tiff_raw }
  74
  75 /* used for debugging only */
  76 gint format_debug_tiff_raw(unsigned char *data, const guint len,
  77                            guint *image_offset, guint *exif_offset);
  78 #endif
  79
  80 #endif
  81