43 lines
1.1 KiB
Rust
43 lines
1.1 KiB
Rust
use crate::gradient::{self, Gradient};
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use crate::Color;
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/// The background of some element.
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#[derive(Debug, Clone, Copy, PartialEq)]
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pub enum Background {
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/// A solid color.
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Color(Color),
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/// Linearly interpolate between several colors.
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Gradient(Gradient),
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// TODO: Add image variant
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}
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impl Background {
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/// Scales the the alpha channel of the [`Background`] by the given
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/// factor.
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pub fn scale_alpha(self, factor: f32) -> Self {
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match self {
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Self::Color(color) => Self::Color(color.scale_alpha(factor)),
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Self::Gradient(gradient) => {
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Self::Gradient(gradient.scale_alpha(factor))
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}
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}
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}
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}
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impl From<Color> for Background {
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fn from(color: Color) -> Self {
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Background::Color(color)
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}
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}
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impl From<Gradient> for Background {
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fn from(gradient: Gradient) -> Self {
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Background::Gradient(gradient)
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}
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}
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impl From<gradient::Linear> for Background {
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fn from(gradient: gradient::Linear) -> Self {
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Background::Gradient(Gradient::Linear(gradient))
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}
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}
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