Hi, Dov Kruger <dkruger@xxxxxxxxxxx> writes: > I suspect that color-to-alpha is the slow part. Is there anything we > can do to speed this up, like convert the image to indexed, and just > make color 0 transparent? Any help with code to programmatically > make color entry n transparent would be great, we didn't find any > reference to that. Why don't you use gimp-by-color-select() followed by gimp-edit-clear()? Color-to-alpha seems like serious overkill for this job. Sven
