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Fix luma to CMYK conversion (#4425)

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Eric Biedert 2024-06-22 11:09:36 +02:00 committed by GitHub
parent 381a82e764
commit 09e3bbd3b4
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2 changed files with 2 additions and 2 deletions
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2
crates/typst/src/visualize/color.rs
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@ -1721,7 +1721,7 @@ impl Cmyk {
}
fn from_luma(luma: Luma) -> Self {
let l = luma.luma;
let l = 1.0 - luma.luma;
Cmyk::new(l * 0.75, l * 0.68, l * 0.67, l * 0.90)
}

2
tests/suite/visualize/color.typ
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@ -117,7 +117,7 @@
#test-repr(cmyk(4%, 5%, 6%, 7%).to-hex(), "#e0dcda")
#test-repr(rgb(cmyk(4%, 5%, 6%, 7%)), rgb(87.84%, 86.27%, 85.49%, 100%))
#test-repr(rgb(luma(40%)), rgb(40%, 40%, 40%))
#test-repr(cmyk(luma(40)), cmyk(11.76%, 10.67%, 10.51%, 14.12%))
#test-repr(cmyk(luma(40)), cmyk(63.24%, 57.33%, 56.49%, 75.88%))
#test-repr(cmyk(rgb(1, 2, 3)), cmyk(66.67%, 33.33%, 0%, 98.82%))
#test-repr(luma(rgb(1, 2, 3)), luma(0.73%))
#test-repr(color.hsl(luma(40)), color.hsl(0deg, 0%, 15.69%))