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Improve generate_theme in color_palette

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This commit is contained in:
Héctor Ramón Jiménez 2020-05-01 21:51:08 +02:00
parent 11e4039b56
commit 0a011f9031
1 changed files with 15 additions and 27 deletions
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42
examples/color_palette/src/main.rs
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@ -21,36 +21,24 @@ pub struct State {
fn generate_theme(base_color: &Color) -> Vec<Color> {
use palette::{Hsl, Hue, Shade, Srgb};
let mut theme = Vec::<Color>::new();
// Convert to HSL color for manipulation
let hsl = Hsl::from(Srgb::from(*base_color));
theme.push(
Srgb::from(hsl.shift_hue(-135.0).lighten(0.075))
.clamp()
.into(),
);
theme.push(Srgb::from(hsl.shift_hue(-120.0)).clamp().into());
theme.push(
Srgb::from(hsl.shift_hue(-105.0).darken(0.075))
.clamp()
.into(),
);
theme.push(Srgb::from(hsl.darken(0.075)).clamp().into());
theme.push(*base_color);
theme.push(Srgb::from(hsl.lighten(0.075)).clamp().into());
theme.push(
Srgb::from(hsl.shift_hue(105.0).darken(0.075))
.clamp()
.into(),
);
theme.push(Srgb::from(hsl.shift_hue(120.0)).clamp().into());
theme.push(
Srgb::from(hsl.shift_hue(135.0).lighten(0.075))
.clamp()
.into(),
);
theme
[
hsl.shift_hue(-135.0).lighten(0.075),
hsl.shift_hue(-120.0),
hsl.shift_hue(-105.0).darken(0.075),
hsl.darken(0.075),
hsl,
hsl.lighten(0.075),
hsl.shift_hue(105.0).darken(0.075),
hsl.shift_hue(120.0),
hsl.shift_hue(135.0).lighten(0.075),
]
.iter()
.map(|&color| Srgb::from(color).clamp().into())
.collect()
}
struct ColorPicker<C: ColorSpace> {