The last time I used "color to alpha" it didn't do anything to the non-white regions. This time it did. If I use "select by color" then clear the selections, I end up with pretty trashy edges. "color ...
The open source image editing app GIMP has released version 3.1.2. GIMP 3.1.2 is the first development release for GIMP 3.2, and includes new paint modes, text options, CMYK settings for printing, and ...