astrelis_render/
color.rs

1/// Color represented as RGBA (0.0 - 1.0).
2#[repr(C)]
3#[derive(Debug, Clone, Copy, PartialEq, bytemuck::Pod, bytemuck::Zeroable)]
4pub struct Color {
5    pub r: f32,
6    pub g: f32,
7    pub b: f32,
8    pub a: f32,
9}
10
11impl Color {
12    pub const WHITE: Color = Color::rgb(1.0, 1.0, 1.0);
13    pub const BLACK: Color = Color::rgb(0.0, 0.0, 0.0);
14    pub const RED: Color = Color::rgb(1.0, 0.0, 0.0);
15    pub const GREEN: Color = Color::rgb(0.0, 1.0, 0.0);
16    pub const BLUE: Color = Color::rgb(0.0, 0.0, 1.0);
17    pub const YELLOW: Color = Color::rgb(1.0, 1.0, 0.0);
18    pub const CYAN: Color = Color::rgb(0.0, 1.0, 1.0);
19    pub const MAGENTA: Color = Color::rgb(1.0, 0.0, 1.0);
20    pub const TRANSPARENT: Color = Color::rgba(0.0, 0.0, 0.0, 0.0);
21
22    pub const fn rgb(r: f32, g: f32, b: f32) -> Self {
23        Self { r, g, b, a: 1.0 }
24    }
25
26    pub const fn rgba(r: f32, g: f32, b: f32, a: f32) -> Self {
27        Self { r, g, b, a }
28    }
29
30    pub fn from_rgba_u8(r: u8, g: u8, b: u8, a: u8) -> Self {
31        Self {
32            r: r as f32 / 255.0,
33            g: g as f32 / 255.0,
34            b: b as f32 / 255.0,
35            a: a as f32 / 255.0,
36        }
37    }
38
39    pub fn from_rgb_u8(r: u8, g: u8, b: u8) -> Self {
40        Self::from_rgba_u8(r, g, b, 255)
41    }
42
43    pub fn from_hex(hex: u32) -> Self {
44        let r = ((hex >> 16) & 0xFF) as u8;
45        let g = ((hex >> 8) & 0xFF) as u8;
46        let b = (hex & 0xFF) as u8;
47        Self::from_rgb_u8(r, g, b)
48    }
49
50    pub fn from_hex_alpha(hex: u32) -> Self {
51        let r = ((hex >> 24) & 0xFF) as u8;
52        let g = ((hex >> 16) & 0xFF) as u8;
53        let b = ((hex >> 8) & 0xFF) as u8;
54        let a = (hex & 0xFF) as u8;
55        Self::from_rgba_u8(r, g, b, a)
56    }
57
58    pub fn to_wgpu(self) -> wgpu::Color {
59        wgpu::Color {
60            r: self.r as f64,
61            g: self.g as f64,
62            b: self.b as f64,
63            a: self.a as f64,
64        }
65    }
66
67    pub fn to_array(self) -> [f32; 4] {
68        [self.r, self.g, self.b, self.a]
69    }
70}
71
72impl Default for Color {
73    fn default() -> Self {
74        Self::WHITE
75    }
76}
77
78impl From<[f32; 4]> for Color {
79    fn from(arr: [f32; 4]) -> Self {
80        Self {
81            r: arr[0],
82            g: arr[1],
83            b: arr[2],
84            a: arr[3],
85        }
86    }
87}
88
89impl From<[f32; 3]> for Color {
90    fn from(arr: [f32; 3]) -> Self {
91        Self {
92            r: arr[0],
93            g: arr[1],
94            b: arr[2],
95            a: 1.0,
96        }
97    }
98}
99
100impl From<Color> for [f32; 4] {
101    fn from(color: Color) -> Self {
102        color.to_array()
103    }
104}
astrelis_render/color.rs

astrelis_render/
color.rs
