Brandon Thomas 685aca7769 feat(compose): Lab documents evaluate Invert, Posterize, Threshold, Brightness/Contrast and Gradient Map on L, a, b ... In Lab documents Photoshop evaluates these adjustments on the Lab channels, not on the screen RGB colour: - Invert and Posterize act on L, a and b alike (normalised L/100, (a+128)/255, (b+128)/255; Invert is n -> 1 - n). - Brightness/Contrast (modern and legacy) applies its tone curve to L only; a and b are unchanged. - Threshold splits on L alone and outputs neutral black or white. - Gradient Map is driven by L (Reverse uses 1 - L). Adjustment layers (CPU compositor) and destructive Image > Adjustments both go through the new `adjust::apply_in`; the GPU compositor defers these adjustments to the CPU in Lab documents. Levels and Curves keep their Lab records; other adjustments stay on the screen colour. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>		2026-10-12 05:02:05 -04:00
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examples	Content-Aware tools: faster, cancellable at once, same pixels (P21, P22, P49) (#3395)	2026-10-12 00:11:10 -04:00
src	feat(compose): Lab documents evaluate Invert, Posterize, Threshold, Brightness/Contrast and Gradient Map on L, a, b	2026-10-12 05:02:05 -04:00
tests	Commands check an explicit "layer" instead of whichever layer is active (#3466)	2026-10-11 23:17:45 -04:00
Cargo.toml	Security: harden document exports and automation inputs (#2269)	2026-10-11 23:18:52 -06:00