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Merge pull request #671 from mahkoh/jorth/fix-cm-scaling

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cmm: make white_balance behave like plasma
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mahkoh 2025-11-28 15:38:28 +01:00 • committed by GitHub
commit 02a35e8fdf
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1 changed files with 3 additions and 2 deletions
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5
src/cmm/cmm_luminance.rs
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@ -69,10 +69,11 @@ impl Default for Luminance {
#[expect(non_snake_case)]
pub fn white_balance(from: &Luminance, to: &Luminance, w_to: (F64, F64)) -> ColorMatrix<Xyz, Xyz> {
let a = ((from.max - from.min) / (to.max - to.min) * (to.white - from.min)
let a = ((from.max - from.min) / (to.max - to.min) * (to.white - to.min)
/ (from.white - from.min))
.0;
let d = ((from.min - to.min) / (to.max - to.min)).0.max(0.0);
// let d = ((from.min - to.min) / (to.max - to.min)).0.max(0.0);
let d = 0.0;
let s = a - d;
let (F64(x_to), F64(y_to)) = w_to;
let X_to = x_to / y_to;