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let gamma = gamma.unwrap_or(0.55); // TODO(emilk): this default coverage gamma is a magic constant, chosen by eye. I don't even know why we need it.
self.pixels.iter().map(move |coverage| {
let alpha = coverage.powf(gamma);
// We want to multiply with `vec4(alpha)` in the fragment shader:
let a = fast_round(alpha * 255.0);
Color32::from_rgba_premultiplied(a, a, a, a)
})
self.pixels.iter().copied()
// let gamma = gamma.unwrap_or(0.55); // TODO(emilk): this default coverage gamma is a magic constant, chosen by eye. I don't even know why we need it.
// self.pixels.iter().map(move |coverage| {
// let alpha = coverage.powf(gamma);
// // We want to multiply with `vec4(alpha)` in the fragment shader:
// let a = fast_round(alpha * 255.0);
// Color32::from_rgba_premultiplied(a, a, a, a)
// })
}
/// Clone a sub-region as a new image.
Expand All
@@ -245,10 +246,10 @@ impl FontImage {
}
impl std::ops::Index<(usize, usize)> for FontImage {
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