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color-management: implement set_tf_power

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This commit is contained in:
Julian Orth 2025-09-08 18:37:07 +02:00
parent a2d726e508
commit c37567f1cd
8 changed files with 121 additions and 28 deletions
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10
src/theme.rs
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@ -121,6 +121,11 @@ impl Color {
Eotf::Log100 => convert!(log100),
Eotf::Log316 => convert!(log316),
Eotf::St428 => convert!(st428),
Eotf::Pow(n) => {
let e = n.eotf_f32();
let pow = |c: f32| -> f32 { c.signum() * c.abs().powf(e) };
convert!(pow)
}
}
Self { r, g, b, a: 1.0 }
}
@ -246,6 +251,11 @@ impl Color {
Eotf::Log100 => convert!(log100),
Eotf::Log316 => convert!(log316),
Eotf::St428 => convert!(st428),
Eotf::Pow(n) => {
let e = n.inv_eotf_f32();
let pow = |c: f32| -> f32 { c.signum() * c.abs().powf(e) };
convert!(pow)
}
}
if self.a < 1.0 {
for c in &mut res[..3] {