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fix(tone): enhance shadow fill curve to match Lightroom Classic shadow lift on dark fabric

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3dtours
2026-10-02 17:50:44 +07:00
parent fe116f0e83
commit 22fa4f289b
9 changed files with 10 additions and 8 deletions
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docker/frontend/shared/utils/toneShader.ts
+4 -2
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@@ -189,9 +189,11 @@ export const TONE_KNOBS: Record<TONE_KNOB, { plus: ToneKnobCurve; minus: ToneKno
plus: { p: [0, 0.01, 0.025, 0.045, 0.185, 0.645, 0.71, 0.73, 1], v: [0.0042, 0.0131, 0.0649, 0.0876, 0.1155, 0.0442, 0.0301, 0.0138, 0] },
minus: { p: [0, 0.23, 0.34, 0.37, 0.51, 0.73, 1], v: [-0.0017, -0.2245, -0.253, -0.2502, -0.1518, -0.0707, 0] },
},
// SHADOWS (sh): lifts dark shadows (L=0.03..0.40) up to +0.25 to reveal shadow detail, zero for L >= 0.55
// SHADOWS (sh): broad smooth shadow & midtone fill curve matching Lightroom Classic Shadow +100.
// Lifts deep blacks (L=0..0.05) by +0.12..+0.18 so hair, t-shirt, and pants reveal fabric details;
// peaks at +0.26 in mid-shadows and tapers smoothly to 1.0.
sh: {
plus: { p: [0, 0.05, 0.15, 0.3, 0.45, 0.55, 1], v: [0.02, 0.18, 0.25, 0.2, 0.08, 0, 0] },
plus: { p: [0, 0.03, 0.1, 0.25, 0.45, 0.65, 0.8, 1], v: [0.12, 0.18, 0.24, 0.26, 0.22, 0.16, 0.08, 0] },
minus: { p: [0, 0.155, 0.22, 0.29, 0.355, 0.395, 0.46, 0.73, 1], v: [-0.0017, -0.1324, -0.1613, -0.1365, -0.1313, -0.0926, -0.0879, 0, 0] },
},
// HIGHLIGHTS (hl): measured Lightroom Classic 14.2 curve.