EXIF library (libexif) API  0.6.25
exif-gps-ifd.h
Go to the documentation of this file.
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  * SPDX-License-Identifier: LGPL-2.0-or-later
23  */
24 
25 #ifndef LIBEXIF_EXIF_GPS_IFD_H
26 #define LIBEXIF_EXIF_GPS_IFD_H
27 
28 #include <stdint.h>
29 #include <libexif/exif-format.h>
30 #include <libexif/exif-tag.h>
31 
32 #ifdef __cplusplus
33 extern "C" {
34 #endif /* __cplusplus */
35 
36 typedef struct ExifGPSIfdTagInfo {
37 
38  /* The ExifTag this entry describes */
39  uint16_t tag;
40 
41  /* The format of the tag (following the spec) */
42  ExifFormat format;
43 
44  /* The expected number of components. Note for some ASCII values without a default this is indicated as 0 */
45  uint16_t components;
46 
47  /* The size (in bytes) of the raw default value (or 0) */
48  uint16_t default_size;
49 
50  /* A pointer to the default value. Using char* works here as there are only defaults for BYTE and ASCII values */
51  const char *default_value;
52 
54 
55 
56 const ExifGPSIfdTagInfo* exif_get_gps_tag_info(ExifTag tag);
57 
58 
59 #ifdef __cplusplus
60 }
61 #endif /* __cplusplus */
62 
63 
64 
65 #endif /* !defined(LIBEXIF_EXIF_GPS_IFD_H) */
ExifTag
EXIF tags.
Definition: exif-tag.h:36
ExifFormat
EXIF tag data formats.
Definition: exif-format.h:34
Handling EXIF tags.
Handling native EXIF data types.
Definition: exif-gps-ifd.h:36