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Add type alias for steps in color scales

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This commit is contained in:
Marshall Bowers 2023-10-30 17:08:37 -04:00
parent b128377cd2
commit e0f68c77b0
1 changed files with 13 additions and 14 deletions
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27
crates/theme2/src/scale.rs
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@ -89,6 +89,9 @@ pub type ColorScale = [Hsla; 12];
pub type ColorScales = HashMap<ColorScaleName, ColorScaleSet>;
/// A one-based step in a [`ColorScale`].
pub type ColorScaleStep = usize;
pub struct ColorScaleSet {
name: ColorScaleName,
light: ColorScale,
@ -118,19 +121,19 @@ impl ColorScaleSet {
self.name.to_string()
}
pub fn light(&self, step: usize) -> Hsla {
pub fn light(&self, step: ColorScaleStep) -> Hsla {
self.light[step - 1]
}
pub fn light_alpha(&self, step: usize) -> Hsla {
pub fn light_alpha(&self, step: ColorScaleStep) -> Hsla {
self.light_alpha[step - 1]
}
pub fn dark(&self, step: usize) -> Hsla {
pub fn dark(&self, step: ColorScaleStep) -> Hsla {
self.dark[step - 1]
}
pub fn dark_alpha(&self, step: usize) -> Hsla {
pub fn dark_alpha(&self, step: ColorScaleStep) -> Hsla {
self.dark[step - 1]
}
@ -143,24 +146,20 @@ impl ColorScaleSet {
}
}
/// Returns the one-based step in the scale.
///
/// We usually reference steps as 1-12 instead of 0-11, so we
/// automatically subtract 1 from the index.
pub fn step(self, cx: &AppContext, index: usize) -> Hsla {
pub fn step(self, cx: &AppContext, step: ColorScaleStep) -> Hsla {
let appearance = Self::current_appearance(cx);
match appearance {
Appearance::Light => self.light(index),
Appearance::Dark => self.dark(index),
Appearance::Light => self.light(step),
Appearance::Dark => self.dark(step),
}
}
pub fn step_alpha(self, cx: &AppContext, index: usize) -> Hsla {
pub fn step_alpha(self, cx: &AppContext, step: ColorScaleStep) -> Hsla {
let appearance = Self::current_appearance(cx);
match appearance {
Appearance::Light => self.light_alpha(index),
Appearance::Dark => self.dark_alpha(index),
Appearance::Light => self.light_alpha(step),
Appearance::Dark => self.dark_alpha(step),
}
}
}