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How Do I Change a Background Without Cutting Off 'Borderline' Pixels
#13
(02-17-2023, 09:05 AM)Ofnuts Wrote: But that's exactly the point!!!

Imagine you have a border between a red and a blue area. The pixels on the border have mix of the red and the blue, depending on the subpixel are that would be of each color:



When you do the Color Erase with blue, the purple pixels become  pure red, but semi transparent:



If you then paint over with green in Behind mode, the transparency in the semi transparent pixels red pixels is replaced by green,, so you red/blue pixels are replaced by red/green pixels where the green exactly replaces the blue: you get the smooth edge back, but between different colors.

This does not work. Everything I touch with color erase becomes some different color on top of a new background. In the case of your example above, the green-red mix would combine into a yellow frame that does not look normal next to the red.
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RE: How Do I Change a Background Without Cutting Off 'Borderline' Pixels - by Taylor-eOS - 02-19-2023, 09:40 AM

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