File talk:Alpha compositing.svg
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XOR operation incorrect[edit]
The sample for A xor B is incorrect; the blue square should still be transparent even when not overlapping the orange circle. Sadly, I do not have the software to allow me to fix the image at this time. (It also would've been nice to fix the related JPG & Italian SVG images, too!) --Joe Sewell (talk) 14:25, 15 December 2009 (UTC)
- I fixed this among other mistakes:
- the colors of A in B and A out B incorporated orange, but they shouldn't -- it's just a more transparent blue.
- A atop B blending wasn't done in linear space, resulting in a dirty color.
- A xor B was opaque, but shouldn't.
- Ybungalobill (talk) 21:53, 3 March 2021 (UTC)
