Image metadata library and tools v0.16
Exiv2 comprises of a C++ library and a command line utility to access image metadata. Exiv2 is free software. The homepage of Exiv2 is at http://www.exiv2.org/.
The Exiv2 library provides
- full read and write access to the Exif, IPTC and XMP metadata of an image through Exiv2 keys and standard C++ iterators
- a smart IPTC implementation that does not affect data that programs like Photoshop store in the same image segment
- Exif MakerNote support:
- MakerNote tags can be accessed just like any other Exif metadata
- a sophisticated write algorithm avoids corrupting the MakerNote:
1) the MakerNote is not re-located if possible at all, and
2) MakerNote Ifd offsets are re-calculated if the MakerNote needs to be moved (for known Ifd MakerNotes)
- extract and delete methods for Exif thumbnails (both, JPEG and TIFF thumbnails)
- set methods for Exif thumbnails (JPEG only, TIFF thumbnails can be set from individual tags)
- complete API documentation
A few pointers to get you started with the Exiv2 library without delay.
Exif and MakerNote tags
IPTC datasets
XMP properties
- JPEG
- Canon CRW
- TIFF and related RAW formats (Adobe DNG, Canon CR2, Fujifilm RAF, Minolta MRW, Nikon NEF, Olympus ORF, Pentax PEF, Sony ARW and Sony SR2), read-only
- PNG, read-only
Please write to the Yahoo! group for Exiv2 help and discussions.
Join the group to post and receive messages or use exiv2post/2post2exiv2 to post anonymously. Bug reports can be submitted directly to the bug tracking system.
Exiv2 is maintained in a publicly available subversion repository. There is a live list with the latest commits to the repository, and you can browse the source code online.
To check-out the current source code from the repository, you need a subversion client. If you use a command line client, change to the directory where you want to keep the source code and type:
$ svn checkout svn://dev.robotbattle.com/exiv2/trunk .
To download the test data and test drivers for version 0.16 from the repository, change to your local exiv2-0.16 directory and use the following command:
$ svn export svn://dev.robotbattle.com/exiv2/tags/0.16/test
If you'd like to contribute code, please contact me.
Copyright (C) 2004-2008 Andreas Huggel <ahuggel@gmx.net>
Exiv2 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.
Alternatively, Exiv2 is also available with a commercial license, which allows it to be used in closed-source projects. Contact me for more information.
Exiv2 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., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.
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