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/*! \file exif-data.h * \brief FIXME foo bar blah * * \author Lutz Müller <lutz@users.sourceforge.net> * \date 2001-2005 * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifndef __EXIF_DATA_H__ #define __EXIF_DATA_H__ #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ #include <libexif/exif-byte-order.h> #include <libexif/exif-data-type.h> #include <libexif/exif-ifd.h> #include <libexif/exif-log.h> #include <libexif/exif-tag.h> typedef struct _ExifData ExifData; typedef struct _ExifDataPrivate ExifDataPrivate; #include <libexif/exif-content.h> #include <libexif/exif-mnote-data.h> #include <libexif/exif-mem.h> struct _ExifData { ExifContent *ifd[EXIF_IFD_COUNT]; unsigned char *data; unsigned int size; ExifDataPrivate *priv; }; ExifData *exif_data_new (void); ExifData *exif_data_new_mem (ExifMem *); /*! \brief load exif data from file * \param[in] path filename including path * * Foo bar blah bleh baz. */ ExifData *exif_data_new_from_file (const char *path); ExifData *exif_data_new_from_data (const unsigned char *data, unsigned int size); void exif_data_load_data (ExifData *data, const unsigned char *d, unsigned int size); void exif_data_save_data (ExifData *data, unsigned char **d, unsigned int *size); void exif_data_ref (ExifData *data); void exif_data_unref (ExifData *data); void exif_data_free (ExifData *data); ExifByteOrder exif_data_get_byte_order (ExifData *data); void exif_data_set_byte_order (ExifData *data, ExifByteOrder order); ExifMnoteData *exif_data_get_mnote_data (ExifData *); void exif_data_fix (ExifData *); typedef void (* ExifDataForeachContentFunc) (ExifContent *, void *user_data); void exif_data_foreach_content (ExifData *data, ExifDataForeachContentFunc func, void *user_data); typedef enum { EXIF_DATA_OPTION_IGNORE_UNKNOWN_TAGS = 1 << 0, EXIF_DATA_OPTION_FOLLOW_SPECIFICATION = 1 << 1 } ExifDataOption; const char *exif_data_option_get_name (ExifDataOption); const char *exif_data_option_get_description (ExifDataOption); void exif_data_set_option (ExifData *, ExifDataOption); void exif_data_unset_option (ExifData *, ExifDataOption); void exif_data_set_data_type (ExifData *, ExifDataType); ExifDataType exif_data_get_data_type (ExifData *); /* For debugging purposes and error reporting */ void exif_data_dump (ExifData *data); void exif_data_log (ExifData *data, ExifLog *log); /* For your convenience */ #define exif_data_get_entry(d,t) \ (exif_content_get_entry(d->ifd[EXIF_IFD_0],t) ? \ exif_content_get_entry(d->ifd[EXIF_IFD_0],t) : \ exif_content_get_entry(d->ifd[EXIF_IFD_1],t) ? \ exif_content_get_entry(d->ifd[EXIF_IFD_1],t) : \ exif_content_get_entry(d->ifd[EXIF_IFD_EXIF],t) ? \ exif_content_get_entry(d->ifd[EXIF_IFD_EXIF],t) : \ exif_content_get_entry(d->ifd[EXIF_IFD_GPS],t) ? \ exif_content_get_entry(d->ifd[EXIF_IFD_GPS],t) : \ exif_content_get_entry(d->ifd[EXIF_IFD_INTEROPERABILITY],t) ? \ exif_content_get_entry(d->ifd[EXIF_IFD_INTEROPERABILITY],t) : NULL) #ifdef __cplusplus } #endif /* __cplusplus */ #endif /* __EXIF_DATA_H__ */