03-18-2020, 11:10 PM
You can draw your lines on a transparent layer, and then completely avoid the Color-to-alpha step.
This said in 2.8 there were two ways to remove a color, Color-to-alpha and buclet-fill in "Color erase" mode, that gave identical results. The two modes still exist in 2.10, but if C2A gives a different result, bucket-fill in "Color Erase" mode gives the same result as before.
This said in 2.8 there were two ways to remove a color, Color-to-alpha and buclet-fill in "Color erase" mode, that gave identical results. The two modes still exist in 2.10, but if C2A gives a different result, bucket-fill in "Color Erase" mode gives the same result as before.