62 lines
1.3 KiB
Rust
62 lines
1.3 KiB
Rust
use serde_derive::{Deserialize, Serialize};
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/// 0-255 `sRGBA`. TODO: rename `sRGBA` for clarity.
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/// Uses premultiplied alpha.
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#[derive(Clone, Copy, Debug, Default, Eq, Ord, PartialEq, PartialOrd, Deserialize, Serialize)]
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pub struct Color {
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pub r: u8,
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pub g: u8,
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pub b: u8,
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pub a: u8,
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}
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pub const fn srgba(r: u8, g: u8, b: u8, a: u8) -> Color {
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Color { r, g, b, a }
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}
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pub const fn gray(l: u8, a: u8) -> Color {
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Color {
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r: l,
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g: l,
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b: l,
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a,
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}
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}
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pub const fn black(a: u8) -> Color {
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Color {
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r: 0,
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g: 0,
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b: 0,
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a,
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}
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}
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pub const fn white(a: u8) -> Color {
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Color {
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r: a,
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g: a,
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b: a,
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a,
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}
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}
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pub const fn additive_gray(l: u8) -> Color {
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Color {
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r: l,
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g: l,
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b: l,
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a: 0,
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}
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}
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pub const TRANSPARENT: Color = srgba(0, 0, 0, 0);
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pub const BLACK: Color = srgba(0, 0, 0, 255);
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pub const LIGHT_GRAY: Color = srgba(220, 220, 220, 255);
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pub const WHITE: Color = srgba(255, 255, 255, 255);
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pub const RED: Color = srgba(255, 0, 0, 255);
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pub const GREEN: Color = srgba(0, 255, 0, 255);
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pub const BLUE: Color = srgba(0, 0, 255, 255);
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pub const YELLOW: Color = srgba(255, 255, 0, 255);
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pub const LIGHT_BLUE: Color = srgba(140, 160, 255, 255);
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