It has many capabilities. It can be used as a simple paint program, an expert quality photo retouching program, an online batch processing system, a mass production image renderer, an image format converter, etc.
- Full suite of painting tools including brushes, a pencil, an airbrush, cloning, etc.
- Tile-based memory management so image size is limited only by available disk space
- Sub-pixel sampling for all paint tools for high-quality anti-aliasing
- Full Alpha channel support
- Layers and channels
- A procedural database for calling internal GIMP functions from external programs, such as Script-Fu
- Advanced scripting capabilities
- Multiple undo/redo (limited only by disk space)
- Transformation tools including rotate, scale, shear and flip
- File formats supported include GIF, JPEG, PNG, XPM, TIFF, TGA, MPEG, PS, PDF, PCX, BMP and many others
- Selection tools including rectangle, ellipse, free, fuzzy, bezier and intelligent
- Plug-ins that allow for the easy addition of new file formats and new effect filters
www.gimp.org
Changes in GIMP 2.4.6
=====================
- fixed handling of the "antialias" tool option (bug #521069)
- when loading a TIFF image, always set a filename on it (bug #521436)
- fixed initial state of curve type in Curves tool (bug #523873)
- fixed potential crash in the Dicom load plug-in
- respect the brush mask in the Heal tool (bug #521433)
- plugged some minor memory leaks
- fixed a glitch in the DND code (bug #317992)
- gimp-image-convert() must not accept palettes with > 256 colors (bug #525471)
- fixed parameter description in the Map Object plug-in (bug #526679)
- fixed compilation of unit tests on Mac OS X (bug #528160)
- fixed handling of "argc-lower-val-y" PDB parameter in Curve Bend plug-in
- fixed overlap problem in Hue-Saturation tool (bug #527085)
- fixed asymmetry in Unsharp Mask plug-in (bug #530077)
- don't show non-existant color profiles in the selector (bug #528958)
- fixed issues with default aspect ratio in the Crop tool (bug #532057)
- fixed compilation of the PDF import plug-in with libpoppler 0.8
- fixed bug in clipboard brush code (bug #532886)
- corrected layer mask flag in PSD save plug-in (bug #526811)
- fixed an issue with tablets and newer X.Org releases
- keep the JPEG save plug-in from writing an empty EXIF tag (bug #529469)
- fixed crash in Selective Gaussion Blur plug-in (bug #529280)
- added new translations (Belarusian, Catalan, Norwegian Nynorsk)
- translation fixes and updates
(ar, ca, de, el, es, fi, fr, hu, it, ko, pl, pt_BR, ro, sv)


