Added WebP as a transparency format

matthewwithanm / pilkit

Utilities and processors built for, and on top of PIL

BSD 3-Clause "New" or "Revised" License

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Added WebP as a transparency format #51

Closed dmarler closed 3 years ago

dmarler commented 3 years ago

WebP conversions were being made opaque even though they support transparency. I've added it to the RGBA_TRANSPARENCY_FORMATS list to preserve transparency.