EXIF/IPTC metadata manipulation library
Exiv2 library supports:
* full read and write access to the EXIF and IPTC 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:
o MakerNote tags can be accessed just like any other EXIF metadata
o a sophisticated write algorithm avoids corrupting the MakerNote:
* 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 (by Doxygen)
* generic lower-level classes to access IFD (Image File Directory) data
structures
