00001 /* exif-entry.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_ENTRY_H__ 00022 #define __EXIF_ENTRY_H__ 00023 00024 #ifdef __cplusplus 00025 extern "C" { 00026 #endif /* __cplusplus */ 00027 00028 typedef struct _ExifEntry ExifEntry; 00029 typedef struct _ExifEntryPrivate ExifEntryPrivate; 00030 00031 #include <libexif/exif-content.h> 00032 #include <libexif/exif-format.h> 00033 #include <libexif/exif-mem.h> 00034 00035 struct _ExifEntry { 00036 ExifTag tag; 00037 ExifFormat format; 00038 unsigned long components; 00039 00040 unsigned char *data; 00041 unsigned int size; 00042 00043 /* Content containing this entry */ 00044 ExifContent *parent; 00045 00046 ExifEntryPrivate *priv; 00047 }; 00048 00049 /* Lifecycle */ 00050 ExifEntry *exif_entry_new (void); 00051 ExifEntry *exif_entry_new_mem (ExifMem *); 00052 void exif_entry_ref (ExifEntry *entry); 00053 void exif_entry_unref (ExifEntry *entry); 00054 void exif_entry_free (ExifEntry *entry); 00055 00056 void exif_entry_initialize (ExifEntry *entry, ExifTag tag); 00057 void exif_entry_fix (ExifEntry *entry); 00058 00059 /* For your convenience */ 00060 const char *exif_entry_get_value (ExifEntry *entry, char *val, 00061 unsigned int maxlen); 00062 00063 void exif_entry_dump (ExifEntry *entry, unsigned int indent); 00064 00065 #define exif_entry_get_ifd(e) ((e)?exif_content_get_ifd((e)->parent):EXIF_IFD_COUNT) 00066 00067 #ifdef __cplusplus 00068 } 00069 #endif /* __cplusplus */ 00070 00071 #endif /* __EXIF_ENTRY_H__ */