Generated from exif.c with ROBODoc v3.2.3 on Mon Dec 16 19:44:49 2002
TABLE OF CONTENTS
- jpgind/exif.c
NAME
exif - digital camera image data parser
COPYRIGHT
Based on public domain code (jhead v1.6) copyrighted as follows:
Copyright (C) 1999-2002 Matthias Wandel
Modifications and additions:
Copyright (C) 2002 Petteri Kettunen
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
or see online version from URL http://www.fsf.org/licenses/gpl.html#SEC1
FUNCTION
Parses exif data structures from various types of EXIF digital
camera files and stores it to data structure exit_t.
AUTHOR
Matthias Wandel - original code from jhead program
Petteri Kettunen - modifications
EXAMPLE
#include "exif.h"
...
exit_t exif;
exif_reset(&exif);
exif_read(&exif, "DSCN0613.JPG");
exif_show_info(&exif);
exif_free(&exif);
IDEAS
- comment handling
- improve API and error handling
- improve MakerNote data processing
- study how Steve (Mac OS X 10.1) changes Nikon MakerNote
- make separate library if there is enough interest
- improve error handling
HISTORY
2002-10-24: memory-handling improvements
2002-05-05: old_show_tag plus small fixes
2002-03-23: signed/unsigned char fixes
2002-03-21: Compression level tag fix, process_tag().
2002-03-17: Adapted Matthias' code jhead v1.6/exif.c code: exif_t
structure, eliminated globals, Nikon makernote processing,
plus some cosmetic changes.
SEE ALSO
jpgind.html
http://www.sentex.net/~mwandel/jhead/
http://www.ba.wakwak.com/~tsuruzoh/
http://www.iki.fi/petterik/jpgind.html