Legacy ImageMagick Discussions Archive

According to all of the graphics control extension that I think that I found in the test file, it looks like 32 is the transparent color index. From my reading of the GIF89a spec, decoders should skip any pixels with the transparent color index value and not modify the displayed output ( https://www ...

I can confirm on IM 7.0.6.3 Q16 Mac OSX. I get the same error and no output image with or without the -layers optimize. magick test.gif -coalesce -resize x100 -layers optimize test_100_v7.gif Thanks for confirming. Does anything seem amiss with that particular file? I know that IM is more ...

Not certain if this is bug or not, but after upgrading to imagemagick version 7, attempting to read or resize many animated gifs result in an 'invalid colormap index' error. This is also happening when trying to open animated gifs with Magick::readImages when using Magick++. This happens on both Mac ...