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eltiare / carrierwave-vips

CarrierWave image processing powered by VIPS
MIT License
91 stars 39 forks source link

Add support for (animated) GIFs #36

Open koenpunt opened 3 years ago

koenpunt commented 3 years ago

More recent versions (>=8.7) of Libvips (and ruby-vips) support writing GIF files.

This PR brings support for that to carrierwave-vips.

I've also added support for passing nil for width or height, to match with the MiniMagick support.