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Introduce specific types for each palette::Extended field

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We will have more control over color calculations for each semantic purpose this way.
This commit is contained in:
Héctor Ramón Jiménez 2022-05-26 23:58:56 +02:00
parent d5bc610d01
commit d988d813d7
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GPG key ID: 140CC052C94F138E
4 changed files with 142 additions and 88 deletions
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54
style/src/theme.rs
View file

@ -40,13 +40,13 @@ impl application::StyleSheet for Theme {
fn background_color(&self) -> Color {
let palette = self.extended_palette();
palette.background.base
palette.background.base.color
}
fn text_color(&self) -> Color {
let palette = self.extended_palette();
palette.background.text
palette.background.base.text
}
}
@ -76,29 +76,19 @@ impl button::StyleSheet for Theme {
..button::Appearance::default()
};
let from_pair = |pair: palette::Pair| button::Appearance {
background: Some(pair.color.into()),
text_color: pair.text,
..appearance
};
match style {
Button::Primary => button::Appearance {
background: Some(palette.primary.strong.into()),
text_color: palette.primary.text,
..appearance
},
Button::Secondary => button::Appearance {
background: Some(palette.background.weak.into()),
text_color: palette.background.text,
..appearance
},
Button::Positive => button::Appearance {
background: Some(palette.success.base.into()),
text_color: palette.success.text,
..appearance
},
Button::Destructive => button::Appearance {
background: Some(palette.danger.base.into()),
text_color: palette.danger.text,
..appearance
},
Button::Primary => from_pair(palette.primary.strong),
Button::Secondary => from_pair(palette.secondary.base),
Button::Positive => from_pair(palette.success.base),
Button::Destructive => from_pair(palette.danger.base),
Button::Text => button::Appearance {
text_color: palette.background.text,
text_color: palette.background.base.text,
..appearance
},
}
@ -109,10 +99,10 @@ impl button::StyleSheet for Theme {
let palette = self.extended_palette();
let background = match style {
Button::Primary => Some(palette.primary.base),
Button::Secondary => Some(palette.background.strong),
Button::Positive => Some(palette.success.strong),
Button::Destructive => Some(palette.danger.strong),
Button::Primary => Some(palette.primary.base.color),
Button::Secondary => Some(palette.background.strong.color),
Button::Positive => Some(palette.success.strong.color),
Button::Destructive => Some(palette.danger.strong.color),
Button::Text => None,
};
@ -140,10 +130,10 @@ impl slider::StyleSheet for Theme {
};
slider::Appearance {
rail_colors: (palette.primary.base, palette.background.base),
rail_colors: (palette.primary.base.color, Color::TRANSPARENT),
handle: slider::Handle {
color: palette.background.base,
border_color: palette.primary.base,
color: palette.background.base.color,
border_color: palette.primary.base.color,
..handle
},
}
@ -155,7 +145,7 @@ impl slider::StyleSheet for Theme {
slider::Appearance {
handle: slider::Handle {
color: palette.primary.weak,
color: palette.primary.weak.color,
..active.handle
},
..active
@ -168,7 +158,7 @@ impl slider::StyleSheet for Theme {
slider::Appearance {
handle: slider::Handle {
color: palette.primary.base,
color: palette.primary.base.color,
..active.handle
},
..active

143
style/src/theme/palette.rs
View file

@ -60,9 +60,10 @@ impl Palette {
pub struct Extended {
pub background: Background,
pub primary: Group,
pub success: Group,
pub danger: Group,
pub primary: Primary,
pub secondary: Secondary,
pub success: Success,
pub danger: Danger,
}
lazy_static! {
@ -75,17 +76,18 @@ impl Extended {
pub fn generate(palette: Palette) -> Self {
Self {
background: Background::new(palette.background, palette.text),
primary: Group::new(
primary: Primary::generate(
palette.primary,
palette.background,
palette.text,
),
success: Group::new(
secondary: Secondary::generate(palette.background, palette.text),
success: Success::generate(
palette.success,
palette.background,
palette.text,
),
danger: Group::new(
danger: Danger::generate(
palette.danger,
palette.background,
palette.text,
@ -94,44 +96,113 @@ impl Extended {
}
}
pub struct Background {
pub base: Color,
pub weak: Color,
pub strong: Color,
#[derive(Debug, Clone, Copy)]
pub struct Pair {
pub color: Color,
pub text: Color,
}
impl Background {
pub fn new(base: Color, text: Color) -> Self {
impl Pair {
pub fn new(color: Color, text: Color) -> Self {
Self {
base,
weak: mix(base, text, 0.15),
strong: mix(base, text, 0.25),
text,
color,
text: readable(color, text),
}
}
}
pub struct Group {
pub base: Color,
pub weak: Color,
pub strong: Color,
pub text: Color,
pub struct Background {
pub base: Pair,
pub weak: Pair,
pub strong: Pair,
}
impl Group {
pub fn new(base: Color, background: Color, text: Color) -> Self {
let strong = if is_dark(base) {
lighten(base, 0.1)
} else {
darken(base, 0.1)
};
impl Background {
pub fn new(base: Color, text: Color) -> Self {
let weak = mix(base, text, 0.15);
let strong = mix(base, text, 0.25);
Self {
base,
weak: mix(base, background, 0.4),
strong,
text: readable(strong, text),
base: Pair::new(base, text),
weak: Pair::new(weak, text),
strong: Pair::new(strong, text),
}
}
}
pub struct Primary {
pub base: Pair,
pub weak: Pair,
pub strong: Pair,
}
impl Primary {
pub fn generate(base: Color, background: Color, text: Color) -> Self {
let weak = mix(base, background, 0.4);
let strong = deviate(base, 0.1);
Self {
base: Pair::new(base, text),
weak: Pair::new(weak, text),
strong: Pair::new(strong, text),
}
}
}
pub struct Secondary {
pub base: Pair,
pub weak: Pair,
pub strong: Pair,
}
impl Secondary {
pub fn generate(base: Color, text: Color) -> Self {
let base = mix(base, text, 0.2);
let weak = mix(base, text, 0.1);
let strong = mix(base, text, 0.3);
Self {
base: Pair::new(base, text),
weak: Pair::new(weak, text),
strong: Pair::new(strong, text),
}
}
}
pub struct Success {
pub base: Pair,
pub weak: Pair,
pub strong: Pair,
}
impl Success {
pub fn generate(base: Color, background: Color, text: Color) -> Self {
let weak = mix(base, background, 0.4);
let strong = deviate(base, 0.1);
Self {
base: Pair::new(base, text),
weak: Pair::new(weak, text),
strong: Pair::new(strong, text),
}
}
}
pub struct Danger {
pub base: Pair,
pub weak: Pair,
pub strong: Pair,
}
impl Danger {
pub fn generate(base: Color, background: Color, text: Color) -> Self {
let weak = mix(base, background, 0.4);
let strong = deviate(base, 0.1);
Self {
base: Pair::new(base, text),
weak: Pair::new(weak, text),
strong: Pair::new(strong, text),
}
}
}
@ -174,6 +245,14 @@ fn lighten(color: Color, amount: f32) -> Color {
from_hsl(hsl)
}
fn deviate(color: Color, amount: f32) -> Color {
if is_dark(color) {
lighten(color, amount)
} else {
darken(color, amount)
}
}
fn mix(a: Color, b: Color, factor: f32) -> Color {
let a_lin = Srgb::from(a).into_linear();
let b_lin = Srgb::from(b).into_linear();