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By: Andy Callebs
Reversing GIF in RMagick [ reply ]  
2010-07-09 04:21
I'm creating a Rails app right now that requires me to reverse the frames of a GIF image. I've chosen RMagick to do this, but am having some major issues when doing so. My current function is as so:

def reverse_gif
current_gif = Magick::ImageList.new :gif
new_gif = Magick::ImageList.new

count = 0

current_gif.length.times do
new_gif.read(current_gif[current_gif.length - count])
count++
end

!current_gif
end

I'm honestly just starting out with ruby at the moment but am having severe problems doing this. It seems like I'm making it far too difficult.

I should also mention that I'm using paperclip for image management in my app.