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

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