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Improve the look of thin lines, making them look weaker (#2437)

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* Revert "fix all clippy lints and remove them from allow list in cranky (#2419)"

This reverts commit 930ef2db38.

* Explain the cranky lints better

* Add Color32::gamma_multiply

* Remove unused pub use

* Remove non-existing crate category

* Improve color test with more lines

* Improve the look of thin lines, making them look weaker

Before they looked were too strong for the thickness.

* Use asserts for shader compilations

* Update changelogs
This commit is contained in:
Emil Ernerfeldt
2022-12-12 16:18:05 +01:00
committed by GitHub
parent 6c4fc50fdf
commit e0b5bb17e5
13 changed files with 55 additions and 25 deletions
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1
crates/epaint/CHANGELOG.md
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@@ -3,6 +3,7 @@ All notable changes to the epaint crate will be documented in this file.
## Unreleased
* Improve the look of thin white lines ([#2437](https://github.com/emilk/egui/pull/2437)).
## 0.20.0 - 2022-12-08

7
crates/epaint/src/tessellator.rs
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@@ -957,10 +957,9 @@ fn stroke_path(
}
fn mul_color(color: Color32, factor: f32) -> Color32 {
crate::epaint_assert!(0.0 <= factor && factor <= 1.0);
// As an unfortunate side-effect of using premultiplied alpha
// we need a somewhat expensive conversion to linear space and back.
color.linear_multiply(factor)
// The fast gamma-space multiply also happens to be perceptually better.
// Win-win!
color.gamma_multiply(factor)
}
// ----------------------------------------------------------------------------