Files
wldash/src/color.rs
T

69 lines
1.7 KiB
Rust

use serde::{Deserialize, Serialize};
#[derive(Serialize, Deserialize, Debug, Clone, Copy, Default)]
pub struct Color {
red: f32,
green: f32,
blue: f32,
opacity: f32,
}
impl Color {
pub fn new(red: f32, green: f32, blue: f32, opacity: f32) -> Color {
Color {
red: if red > 1.0 {
1.0
} else if red < 0.0 {
0.0
} else {
red
},
green: if green > 1.0 {
1.0
} else if green < 0.0 {
0.0
} else {
green
},
blue: if blue > 1.0 {
1.0
} else if blue < 0.0 {
0.0
} else {
blue
},
opacity: if opacity > 1.0 {
1.0
} else if opacity < 0.0 {
0.0
} else {
opacity
},
}
}
pub fn blend(&self, other: &Color, ratio: f32) -> Color {
let ratio = if ratio > 1.0 {
1.0
} else if ratio < 0.0 {
0.0
} else {
ratio
};
Color {
red: self.red + ((other.red - self.red) * ratio),
green: self.green + ((other.green - self.green) * ratio),
blue: self.blue + ((other.blue - self.blue) * ratio),
opacity: self.opacity + ((other.opacity - self.opacity) * ratio),
}
}
pub fn as_argb8888(&self) -> u32 {
((255.0 * self.opacity) as u32 & 0xFF) << 24
| ((255.0 * self.red) as u32 & 0xFF) << 16
| ((255.0 * self.green) as u32 & 0xFF) << 8
| ((255.0 * self.blue) as u32 & 0xFF)
}
}