jeffemmett
/
typst
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix OkLab color negation (#2609) 

This changes negation to effectively rotate hue by 180deg.
Previously, negation failed in certain cases and produced unexpected results.
This commit is contained in:
frozolotl 2023-11-08 20:10:37 +10:00 committed by GitHub
parent 2ce9d76025
commit cfb767346e
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
crates/typst/src/geom/color.rs
View File

@ -906,7 +906,7 @@ impl Color {
pub fn negate(self) -> Color { pub fn negate(self) -> Color {
match self { match self {
Self::Luma(c) => Self::Luma(Luma::new(1.0 - c.luma)), Self::Luma(c) => Self::Luma(Luma::new(1.0 - c.luma)),
Self::Oklab(c) => Self::Oklab(Oklab::new(c.l, 1.0 - c.a, 1.0 - c.b, c.alpha)), Self::Oklab(c) => Self::Oklab(Oklab::new(c.l, -c.a, -c.b, c.alpha)),
Self::LinearRgb(c) => Self::LinearRgb(LinearRgba::new( Self::LinearRgb(c) => Self::LinearRgb(LinearRgba::new(
1.0 - c.red, 1.0 - c.red,
1.0 - c.green, 1.0 - c.green,