1 /* mnote-olympus-data.h
2  *
3  * Copyright (c) 2002 Lutz Mueller <lutz@users.sourceforge.net>
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the
17  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18  * Boston, MA  02110-1301  USA.
19  */
20 
21 #ifndef __MNOTE_OLYMPUS_CONTENT_H__
22 #define __MNOTE_OLYMPUS_CONTENT_H__
23 
24 #include <libexif/exif-mnote-data-priv.h>
25 #include <libexif/olympus/mnote-olympus-entry.h>
26 #include <libexif/exif-byte-order.h>
27 #include <libexif/exif-data.h>
28 #include <libexif/exif-mem.h>
29 
30 enum OlympusVersion {
31 	unrecognized = 0,
32 	nikonV1 = 1,
33 	nikonV2 = 2,
34 	olympusV1 = 3,
35 	olympusV2 = 4,
36 	sanyoV1 = 5,
37 	epsonV1 = 6,
38 	nikonV0 = 7
39 };
40 
41 
42 typedef struct _ExifMnoteDataOlympus ExifMnoteDataOlympus;
43 
44 struct _ExifMnoteDataOlympus {
45 	ExifMnoteData parent;
46 
47 	MnoteOlympusEntry *entries;
48 	unsigned int count;
49 
50 	ExifByteOrder order;
51 	unsigned int offset;
52 	enum OlympusVersion version;
53 };
54 
55 /*! Detect if MakerNote is recognized as one handled by the Olympus module.
56  *
57  * \param[in] ed image #ExifData to identify as as an Olympus type
58  * \param[in] e #ExifEntry for EXIF_TAG_MAKER_NOTE, from within ed but
59  *   duplicated here for convenience
60  * \return 0 if not recognized, nonzero if recognized. The specific nonzero
61  *   value returned may identify a subtype unique within this module.
62  */
63 int exif_mnote_data_olympus_identify (const ExifData *ed, const ExifEntry *e);
64 
65 ExifMnoteData *exif_mnote_data_olympus_new (ExifMem *);
66 
67 #endif /* __MNOTE_OLYMPUS_CONTENT_H__ */
68