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Fix Drop Shadow Darkness in source color space

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dotCooCoo
2026-10-29 14:36:41 +07:00
committed by bflatastic
parent f55cbf313c
commit dfa9f883c0
21 changed files with 587 additions and 118 deletions
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crates/effects/src/catalog.rs
+1 -1
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@@ -264,7 +264,7 @@ pub fn effect_catalog() -> Vec<EffectInfo> {
"stylize.dropShadow",
"Drop Shadow…",
STYLIZE,
"{mode: blend mode (\"multiply\"), opacity: % (75), x: pt (7), y: pt (7), blur: pt (5), shade: \"color\"|\"darkness\" (\"color\"), color: \"#rrggbb\" (\"#000000\"), darkness: % (100)} (shade \"darkness\": the shadow is the object's own colors with `darkness` percent of black added instead of `color`: in a CMYK document their cyan, magenta and yellow stay and their black K becomes K + darkness × (1 − K); in an RGB document each channel is multiplied by 1 − darkness)",
"{mode: blend mode (\"multiply\"), opacity: % (75), x: pt (7), y: pt (7), blur: pt (5), shade: \"color\"|\"darkness\" (\"color\"), color: \"#rrggbb\" (\"#000000\"), darkness: % (100)} (shade \"darkness\": use d = darkness / 100 on the source colors before document color conversion and blur; RGB channels become max(0, channel - d), CMYK keeps C/M/Y and sets K to min(1, K + d), and Gray sets its black component to min(1, K + d). The near-100% endpoint is gray black. Shadow opacity remains separate)",
json!({"mode": "multiply", "opacity": 75.0, "x": 7.0, "y": 7.0, "blur": 5.0, "shade": "color", "color": "#000000", "darkness": 100.0}),
),
r(