1 /* exif-mnote-data-canon.h 2 * 3 * Copyright (c) 2002, 2003 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 * SPDX-License-Identifier: LGPL-2.0-or-later 21 */ 22 23 #ifndef LIBEXIF_EXIF_MNOTE_DATA_CANON_H 24 #define LIBEXIF_EXIF_MNOTE_DATA_CANON_H 25 26 #include <libexif/exif-byte-order.h> 27 #include <libexif/exif-mnote-data.h> 28 #include <libexif/exif-mnote-data-priv.h> 29 #include <libexif/exif-mem.h> 30 #include <libexif/exif-data.h> 31 32 typedef struct _ExifMnoteDataCanon ExifMnoteDataCanon; 33 34 #include <libexif/canon/mnote-canon-entry.h> 35 36 struct _ExifMnoteDataCanon { 37 ExifMnoteData parent; 38 39 MnoteCanonEntry *entries; 40 unsigned int count; 41 42 ExifByteOrder order; 43 unsigned int offset; 44 45 ExifDataOption options; 46 }; 47 48 /*! Detect if MakerNote is recognized as one handled by the Canon module. 49 * 50 * \param[in] ed image #ExifData to identify as as a Canon type 51 * \param[in] e #ExifEntry for EXIF_TAG_MAKER_NOTE, from within ed but 52 * duplicated here for convenience 53 * \return 0 if not recognized, nonzero if recognized. The specific nonzero 54 * value returned may identify a subtype unique within this module. 55 */ 56 int exif_mnote_data_canon_identify (const ExifData *ed, const ExifEntry *e); 57 58 ExifMnoteData *exif_mnote_data_canon_new (ExifMem *mem, ExifDataOption o); 59 60 #endif /* !defined(LIBEXIF_EXIF_MNOTE_DATA_CANON_H) */ 61