1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
use std::fmt;
use super::*;
#[derive(Clone, Copy, PartialEq, Eq, Debug, Hash)]
pub struct RgbaColor {
pub r: u8,
pub g: u8,
pub b: u8,
pub a: u8,
}
impl fmt::Display for RgbaColor {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "rgba({}, {}, {}, {})", self.r, self.g, self.b, self.a)
}
}
impl RgbaColor {
pub fn new(r: u8, g: u8, b: u8, a: u8) -> Self {
Self { r, g, b, a }
}
}
impl ToHexString for RgbaColor {
fn to_hex_string(&self) -> String {
format!("#{:0>2x}{:0>2x}{:0>2x}{:0>2x}", self.r, self.g, self.b, self.a)
}
}
impl From<Color> for RgbaColor {
fn from(c: Color) -> RgbaColor {
match Result::<RgbaColor, ColorError>::from(c) {
Ok(rgb) => rgb,
Err(err) => panic!("Converting Color to RgbColor failed: {}", err)
}
}
}
impl From<Color> for Result<RgbaColor, ColorError> {
fn from(c: Color) -> Result<RgbaColor, ColorError> {
match c {
Color::RGB(r, g, b) => Ok(RgbaColor { r, g, b, a: 0xFF}),
Color::RGBA(r, g, b, a) => Ok(RgbaColor { r, g, b, a }),
Color::HSL(h, s, l) => RgbColor::from(HslColor{h, s, l}).into(),
Color::HSV(h, s, v) => RgbColor::from(HsvColor{h, s, v}).into(),
Color::CMYK(c, m, y, k) => RgbColor::from(CmykColor{c, m, y, k}).into(),
Color::CMY(c, m, y) => RgbColor::from(CmyColor{c, m, y}).into(),
Color::LAB(l, a, b) => RgbColor::from(LabColor{l, a, b}).into(),
}
}
}
impl From<RgbColor> for RgbaColor {
fn from(rgb: RgbColor) -> RgbaColor {
match Result::<RgbaColor, ColorError>::from(rgb) {
Ok(rgba) => rgba,
Err(err) => panic!("Converting RgbColor to RgbaColor failed: {}", err)
}
}
}
impl From<RgbColor> for Result<RgbaColor, ColorError> {
fn from(rgb: RgbColor) -> Self {
Ok(RgbaColor {r: rgb.r, g: rgb.g, b: rgb.b, a: 0xFF })
}
}