43 lines
1.4 KiB
Rust
43 lines
1.4 KiB
Rust
#[derive(Copy, Clone)]
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pub struct Color(pub u32);
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impl Color {
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pub const WHITE: Color = Color(0xFFFFFFFF);
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pub const GREY35: Color = Color(0xFF595959);
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pub const GREY50: Color = Color(0xFF7F7F7F);
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pub const GREY75: Color = Color(0xFFBFBFBF);
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pub const GREY80: Color = Color(0xFFCCCCCC);
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pub const RED: Color = Color(0xFFFF0000);
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pub const YELLOW: Color = Color(0xFFFFFF00);
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pub const LIGHTGREEN: Color = Color(0xFF7FFF7F);
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pub const LIGHTORANGE: Color = Color(0xFFFFBF00);
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pub const DARKORANGE: Color = Color(0xFFFF7F00);
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pub const BUFF: Color = Color(0xFFFFBF7F);
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#[allow(unused)]
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pub fn new(red: u8, green: u8, blue: u8, opacity: u8) -> Color {
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Color((opacity as u32) << 24 | (red as u32) << 16 | (green as u32) << 8 | (blue as u32))
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}
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fn red(self) -> u8 {
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((self.0 >> 16) & 0xFF) as u8
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}
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fn green(self) -> u8 {
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((self.0 >> 8) & 0xFF) as u8
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}
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fn blue(self) -> u8 {
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(self.0 & 0xFF) as u8
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}
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pub fn alpha(self, alpha: f32) -> Color {
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unsafe {
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Color(
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(255. * alpha).to_int_unchecked::<u32>() << 24
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| (self.red() as f32 * alpha).to_int_unchecked::<u32>() << 16
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| (self.green() as f32 * alpha).to_int_unchecked::<u32>() << 8
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| (self.blue() as f32 * alpha).to_int_unchecked::<u32>(),
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)
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}
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}
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}
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