EXIF library (libexif) API  0.6.24
exif-gps-ifd.h
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1 
4 /*
5  * Copyright (c) 2020 Heiko Lewin <hlewin@gmx.de>
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, write to the
19  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20  * Boston, MA 02110-1301 USA.
21  */
22 
23 #ifndef LIBEXIF_EXIF_GPS_IFD_H
24 #define LIBEXIF_EXIF_GPS_IFD_H
25 
26 #include <stdint.h>
27 #include <libexif/exif-format.h>
28 #include <libexif/exif-tag.h>
29 
30 #ifdef __cplusplus
31 extern "C" {
32 #endif /* __cplusplus */
33 
34 typedef struct ExifGPSIfdTagInfo {
35 
36  /* The ExifTag this entry describes */
37  uint16_t tag;
38 
39  /* The format of the tag (following the spec) */
40  ExifFormat format;
41 
42  /* The expected number of components. Note for some ASCII values without a default this is indicated as 0 */
43  uint16_t components;
44 
45  /* The size (in bytes) of the raw default value (or 0) */
46  uint16_t default_size;
47 
48  /* A pointer to the default value. Using char* works here as there are only defaults for BYTE and ASCII values */
49  const char *default_value;
50 
52 
53 
54 const ExifGPSIfdTagInfo* exif_get_gps_tag_info(ExifTag tag);
55 
56 
57 #ifdef __cplusplus
58 }
59 #endif /* __cplusplus */
60 
61 
62 
63 #endif /* !defined(LIBEXIF_EXIF_GPS_IFD_H) */
Handling native EXIF data types.
ExifFormat
EXIF tag data formats.
Definition: exif-format.h:32
Handling EXIF tags.
ExifTag
EXIF tags.
Definition: exif-tag.h:34
Definition: exif-gps-ifd.h:34