| 1 | /* sxiv: exif.h |
| 2 | * Copyright (c) 2012 Bert Muennich <be.muennich at googlemail.com> |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify it |
| 5 | * under the terms of the GNU General Public License as published by the |
| 6 | * Free Software Foundation; either version 2 of the License, or (at your |
| 7 | * option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, but |
| 10 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | * General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along |
| 15 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | */ |
| 18 | |
| 19 | #ifndef EXIF_H |
| 20 | #define EXIF_H |
| 21 | |
| 22 | #include "types.h" |
| 23 | |
| 24 | enum { |
| 25 | JPEG_MARKER_SOI = 0xFFD8, |
| 26 | JPEG_MARKER_APP1 = 0xFFE1 |
| 27 | }; |
| 28 | |
| 29 | enum { |
| 30 | EXIF_MAX_LEN = 0x10000, |
| 31 | EXIF_HEAD = 0x45786966, |
| 32 | EXIF_BO_BIG_ENDIAN = 0x4D4D, |
| 33 | EXIF_BO_LITTLE_ENDIAN = 0x4949, |
| 34 | EXIF_TAG_MARK = 0x002A, |
| 35 | EXIF_TAG_ORIENTATION = 0x0112 |
| 36 | }; |
| 37 | |
| 38 | int exif_orientation(const fileinfo_t*); |
| 39 | void exif_auto_orientate(const fileinfo_t*); /* in image.c */ |
| 40 | |
| 41 | #endif /* EXIF_H */ |