EXIF library (libexif) API: libexif/exif-content.h Source File

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# exif-content.h

    00001 /* exif-content.h
    00002  *
    00003  * Copyright © 2001 Lutz Müller <lutz@users.sourceforge.net>
    00004  *
    00005  * This library is free software; you can redistribute it and/or
    00006  * modify it under the terms of the GNU Lesser General Public
    00007  * License as published by the Free Software Foundation; either
    00008  * version 2 of the License, or (at your option) any later version.
    00009  *
    00010  * This library is distributed in the hope that it will be useful,
    00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00013  * Lesser General Public License for more details.
    00014  *
    00015  * You should have received a copy of the GNU Lesser General Public
    00016  * License along with this library; if not, write to the
    00017  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    00018  * Boston, MA 02111-1307, USA.
    00019  */
    00020
    00021 #ifndef __EXIF_CONTENT_H__
    00022 #define __EXIF_CONTENT_H__
    00023
    00024 #ifdef __cplusplus
    00025 extern "C" {
    00026 #endif /* __cplusplus */
    00027
    00028 typedef struct _ExifContent        ExifContent;
    00029 typedef struct _ExifContentPrivate ExifContentPrivate;
    00030
    00031 #include <libexif/exif-tag.h>
    00032 #include <libexif/exif-entry.h>
    00033 #include <libexif/exif-data.h>
    00034 #include <libexif/exif-log.h>
    00035 #include <libexif/exif-mem.h>
    00036
    00037 struct _ExifContent
    00038 {
    00039         ExifEntry **entries;
    00040         unsigned int count;
    00041
    00042         /* Data containing this content */
    00043         ExifData *parent;
    00044
    00045         ExifContentPrivate *priv;
    00046 };
    00047
    00048 /* Lifecycle */
    00049 ExifContent *exif_content_new     (void);
    00050 ExifContent *exif_content_new_mem (ExifMem *);
    00051 void         exif_content_ref     (ExifContent *content);
    00052 void         exif_content_unref   (ExifContent *content);
    00053 void         exif_content_free    (ExifContent *content);
    00054
    00055 void         exif_content_add_entry    (ExifContent *, ExifEntry *);
    00056 void         exif_content_remove_entry (ExifContent *, ExifEntry *);
    00057 ExifEntry   *exif_content_get_entry    (ExifContent *, ExifTag);
    00058 void         exif_content_fix          (ExifContent *);
    00059
    00060 typedef void (* ExifContentForeachEntryFunc) (ExifEntry *, void *user_data);
    00061 void         exif_content_foreach_entry (ExifContent *content,
    00062                                          ExifContentForeachEntryFunc func,
    00063                                          void *user_data);
    00064
    00065 /* For your convenience */
    00066 ExifIfd exif_content_get_ifd (ExifContent *);
    00067 #define exif_content_get_value(c,t,v,m)                                 \
    00068         (exif_content_get_entry (c,t) ?                                 \
    00069          exif_entry_get_value (exif_content_get_entry (c,t),v,m) : NULL)
    00070
    00071 void exif_content_dump  (ExifContent *content, unsigned int indent);
    00072 void exif_content_log   (ExifContent *content, ExifLog *log);
    00073
    00074 #ifdef __cplusplus
    00075 }
    00076 #endif /* __cplusplus */
    00077
    00078 #endif /* __EXIF_CONTENT_H__ */