GifTrim

Provide convenient methods for GIF optimizations using gifsicle

Tested on the following Rubies: MRI 1.9.3, 2.0.0, Rubinius, JRuby (1.9 mode).

Add this line to your application's Gemfile:

gem "giftrim"

image = Giftrim::Image.open "input.gif"
image.trim
image.write "output.gif"

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request

See LICENSE.txt and LICENSE_MiniMagick.txt

The Testing GIF was retrieved from http://commons.wikimedia.org/wiki/File:Lightnings_sequence_2_animation.gif licensed under Creative Commons Attribution-Share Alike 2.5 Generic license

The first version was at the branch minimagick. It adds frames trimming methods to MiniMagick::Image. However, from my tests mogrify is not accepting -delete ranges, such as -delete 1-2,4,6.

This version uses gifsicle instead of ImageMagick which allows selecting frames to be included.