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Fix glyph rendering: clamp coverage to [0, 1] (#7415)

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* Closes  #7366
* Closes https://github.com/emilk/egui/pull/7388
This commit is contained in:
Emil Ernerfeldt
2025-08-05 13:03:39 +02:00
committed by GitHub
parent c38d38e89d
commit b9a5081490
1 changed files with 1 additions and 0 deletions
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crates/epaint/src/image.rs
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@@ -384,6 +384,7 @@ impl AlphaFromCoverage {
/// Convert coverage to alpha. /// Convert coverage to alpha.
#[inline(always)] #[inline(always)]
pub fn alpha_from_coverage(&self, coverage: f32) -> f32 { pub fn alpha_from_coverage(&self, coverage: f32) -> f32 {
let coverage = coverage.clamp(0.0, 1.0);
match self { match self {
Self::Linear => coverage, Self::Linear => coverage,
Self::Gamma(gamma) => coverage.powf(*gamma), Self::Gamma(gamma) => coverage.powf(*gamma),