colorsys 0.7.3

A module for color conversion and mutation. Works with RGB(a)( as hexadecimal too), HSL(a), CMYK color models and with ANSI color codes
Documentation 
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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174

use crate::{
  ColorAlpha, Hsl, ratio_converters::ratio_to_rgba, Rgb,
};
use crate::converters::*;
use crate::rgb::RgbRatio;

macro_rules! from_for_rgb {
  ($from_type: ty, $val: ident, $conv: block) => {
    impl From<&$from_type> for Rgb {
      fn from($val: &$from_type) -> Rgb {
        ($conv)
      }
    }
    impl From<$from_type> for Rgb {
      fn from($val: $from_type) -> Rgb {
        Rgb::from(&$val)
      }
    }
  };
}

macro_rules! from_for_rgb_all {
  ($t: ty) => {
    from_for_rgb!(($t, $t, $t), v, {
      let (r, g, b) = *v;
      Rgb::new(r as f64, g as f64, b as f64, None)
    });
    from_for_rgb!([$t; 3], v, {
      let [r, g, b] = *v;
      Rgb::new(r as f64, g as f64, b as f64, None)
    });
  };
}

macro_rules! from_for_rgb_all_with_alpha {
  ($t: ty) => {
    from_for_rgb!(($t, $t, $t, $t), v, {
      let (r, g, b, a) = *v;
      Rgb::new(r as f64, g as f64, b as f64, Some(a as f64))
    });
    from_for_rgb!([$t; 4], v, {
      let [r, g, b, a] = *v;
      Rgb::new(r as f64, g as f64, b as f64, Some(a as f64))
    });
  };
}

from_for_rgb_all!(f32);
from_for_rgb_all!(f64);
from_for_rgb_all_with_alpha!(f32);
from_for_rgb_all_with_alpha!(f64);
from_for_rgb_all!(i16);
from_for_rgb_all!(i32);
from_for_rgb_all!(i64);
from_for_rgb_all!(u8);
from_for_rgb_all!(u16);
from_for_rgb_all!(u32);
from_for_rgb_all!(u64);

fn from_hsl(hsl: &Hsl) -> Rgb {
  let a = hsl.alpha();
  let mut rgb = Rgb::from_units(hsl_to_rgb(hsl));
  rgb.set_alpha(a);
  rgb
}

impl From<&Hsl> for Rgb {
  /// # Example
  /// ```
  /// use colorsys::{Rgb,Hsl,prelude::*};
  /// let hsl = Hsl::from(&(48.0, 70.0, 50.0));
  /// let rgb: Rgb = Rgb::from(&hsl);
  /// assert_eq!(rgb.to_css_string(), "rgb(217,181,38)");
  /// ```
  fn from(hsl: &Hsl) -> Self {
    from_hsl(hsl)
  }
}

impl From<&mut Hsl> for Rgb {
  /// # Example
  /// ```
  /// use colorsys::{Rgb,Hsl,prelude::*};
  /// let mut hsl = Hsl::from(&(359.0, 33.0, 77.0));
  /// let rgb_string = Rgb::from(&mut hsl).to_css_string();
  /// assert_eq!(rgb_string, "rgb(216,177,178)");
  /// ```
  fn from(hsl: &mut Hsl) -> Self {
    from_hsl(hsl)
  }
}

impl From<Hsl> for Rgb {
  /// # Example
  /// ```
  /// use colorsys::{Rgb,Hsl,prelude::*};
  /// let hsl = Hsl::from(&(192.0, 67.0, 28.0));
  /// let rgb_string = Rgb::from(hsl).to_css_string();
  /// assert_eq!(rgb_string, "rgb(24,100,119)");
  /// ```
  fn from(hsl: Hsl) -> Self {
    from_hsl(&hsl)
  }
}

fn from_rgb_ratio(ratio: &RgbRatio) -> Rgb {
  let ru = &ratio.units;
  let t = ratio_to_rgba(&(ru[0], ru[1], ru[2], ru.alpha.get_f64()));
  Rgb::new(t.0, t.1, t.2, Some(t.3))
}

impl From<&RgbRatio> for Rgb {
  fn from(r: &RgbRatio) -> Self {
    from_rgb_ratio(r)
  }
}

impl From<&mut RgbRatio> for Rgb {
  fn from(r: &mut RgbRatio) -> Self {
    from_rgb_ratio(r)
  }
}

impl From<RgbRatio> for Rgb {
  fn from(r: RgbRatio) -> Self {
    from_rgb_ratio(&r)
  }
}

//
//
//
// INTO
//

into_for_some!(RgbRatio, Rgb, self, { self.as_ratio() });

macro_rules! into_for_rgb_all {
  ($t: ty) => {
    into_for_some!(($t, $t, $t), Rgb, self, {
      let u = &self.units;
      (u[0] as $t, u[1] as $t, u[2] as $t)
    });
    into_for_some!([$t; 3], Rgb, self, {
      let u = &self.units;
      [u[0] as $t, u[1] as $t, u[2] as $t]
    });
  };
}

macro_rules! into_for_rgb_all_with_alpha {
  ($t: ty) => {
    into_for_some!(($t, $t, $t, $t), Rgb, self, {
      let u = &self.units;
      (u[0] as $t, u[1] as $t, u[2] as $t, self.units.alpha.get_f64() as $t)
    });
    into_for_some!([$t; 4], Rgb, self, {
      let u = &self.units;
      [u[0] as $t, u[1] as $t, u[2] as $t, self.units.alpha.get_f64() as $t]
    });
  };
}

into_for_rgb_all!(f32);
into_for_rgb_all!(f64);
into_for_rgb_all_with_alpha!(f32);
into_for_rgb_all_with_alpha!(f64);
into_for_rgb_all!(i16);
into_for_rgb_all!(i32);
into_for_rgb_all!(i64);
into_for_rgb_all!(u8);
into_for_rgb_all!(u16);
into_for_rgb_all!(u32);
into_for_rgb_all!(u64);