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| author |  Héctor Ramón Jiménez <hector0193@gmail.com> | 2019-10-07 03:56:16 +0200 |
|---|---|---|
| committer | Héctor Ramón Jiménez <hector0193@gmail.com> | 2019-10-07 03:56:16 +0200 |
| commit | c9510db551893775d3233340dd114d971e24323a (patch) | |
| tree | a48fe9009c0fa604ea5e861ee3a8aa35ae3d64c3 /core | |
| parent | 70c17b053b10741f6018b2559bb46c5f289cadb9 (diff) | |
| download | iced-c9510db551893775d3233340dd114d971e24323a.tar.gz iced-c9510db551893775d3233340dd114d971e24323a.tar.bz2 iced-c9510db551893775d3233340dd114d971e24323a.zip | |
Render colored quads
Diffstat (limited to 'core')
| -rw-r--r-- | core/src/color.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/core/src/color.rs b/core/src/color.rs index 5cc3a084..2b64c78d 100644 --- a/core/src/color.rs +++ b/core/src/color.rs @@ -16,4 +16,23 @@ impl Color { b: 0.0, a: 1.0, }; + + pub fn into_linear(self) -> [f32; 4] { + // As described in: + // https://en.wikipedia.org/wiki/SRGB#The_reverse_transformation + fn linear_component(u: f32) -> f32 { + if u < 0.04045 { + u / 12.92 + } else { + ((u + 0.055) / 1.055).powf(2.4) + } + } + + [ + linear_component(self.r), + linear_component(self.g), + linear_component(self.b), + self.a, + ] + } } |