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I'm wondering if there are any jruby libraries that support creating a gif pixel by pixel, like chunky_png. Pure ruby would be nice, but anything will do. Rubygems doesn't seem to have one.

I am aware of rmagick4j, but the library simply doesn't work

Shelvacu
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Consider rmagick, which wraps the Image Magick library. It isn't specific to GIF, but it does support animated gifs.

Neil Slater
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  • You did say "anything will do" :-), although I understand Image Magick has a bit of an overhead (in terms of installation and complexity), that also means it often covers specific needs. There *might* be other options for GIFs in Ruby, so you could always hold out for a better answer. – Neil Slater Jun 22 '13 at 16:53
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    Magick works great, except in jruby, which I'd like to use because of the cpu-intensive nature of pixel-by-pixel image generation. I might edit the question. – Shelvacu Jun 23 '13 at 18:08