Setting default compression_type when not set, specially for GIFs

jruby / image_voodoo

ImageScience-compatible image processing for JRuby

MIT License

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Setting default compression_type when not set, specially for GIFs #13

Closed RaVbaker closed 10 years ago

RaVbaker commented 10 years ago

I found that Sun implementation of GIF image writer doesn't have set compression_type by default so I added a code which sets it to first found when it's missing.

It fixes #12 and my issues with saving GIF files in Image_voodoo.