colorsys/rgb/
from.rs

1use crate::{
2  ColorAlpha, Hsl, ratio_converters::ratio_to_rgba, Rgb,
3};
4use crate::converters::*;
5use crate::rgb::RgbRatio;
6
7macro_rules! from_for_rgb {
8  ($from_type: ty, $val: ident, $conv: block) => {
9    impl From<&$from_type> for Rgb {
10      fn from($val: &$from_type) -> Rgb {
11        ($conv)
12      }
13    }
14    impl From<$from_type> for Rgb {
15      fn from($val: $from_type) -> Rgb {
16        Rgb::from(&$val)
17      }
18    }
19  };
20}
21
22macro_rules! from_for_rgb_all {
23  ($t: ty) => {
24    from_for_rgb!(($t, $t, $t), v, {
25      let (r, g, b) = *v;
26      Rgb::new(r as f64, g as f64, b as f64, None)
27    });
28    from_for_rgb!([$t; 3], v, {
29      let [r, g, b] = *v;
30      Rgb::new(r as f64, g as f64, b as f64, None)
31    });
32  };
33}
34
35macro_rules! from_for_rgb_all_with_alpha {
36  ($t: ty) => {
37    from_for_rgb!(($t, $t, $t, $t), v, {
38      let (r, g, b, a) = *v;
39      Rgb::new(r as f64, g as f64, b as f64, Some(a as f64))
40    });
41    from_for_rgb!([$t; 4], v, {
42      let [r, g, b, a] = *v;
43      Rgb::new(r as f64, g as f64, b as f64, Some(a as f64))
44    });
45  };
46}
47
48from_for_rgb_all!(f32);
49from_for_rgb_all!(f64);
50from_for_rgb_all_with_alpha!(f32);
51from_for_rgb_all_with_alpha!(f64);
52from_for_rgb_all!(i16);
53from_for_rgb_all!(i32);
54from_for_rgb_all!(i64);
55from_for_rgb_all!(u8);
56from_for_rgb_all!(u16);
57from_for_rgb_all!(u32);
58from_for_rgb_all!(u64);
59
60fn from_hsl(hsl: &Hsl) -> Rgb {
61  let a = hsl.alpha();
62  let mut rgb = Rgb::from_units(hsl_to_rgb(hsl));
63  rgb.set_alpha(a);
64  rgb
65}
66
67impl From<&Hsl> for Rgb {
68  /// # Example
69  /// ```
70  /// use colorsys::{Rgb,Hsl,prelude::*};
71  /// let hsl = Hsl::from(&(48.0, 70.0, 50.0));
72  /// let rgb: Rgb = Rgb::from(&hsl);
73  /// assert_eq!(rgb.to_css_string(), "rgb(217,181,38)");
74  /// ```
75  fn from(hsl: &Hsl) -> Self {
76    from_hsl(hsl)
77  }
78}
79
80impl From<&mut Hsl> for Rgb {
81  /// # Example
82  /// ```
83  /// use colorsys::{Rgb,Hsl,prelude::*};
84  /// let mut hsl = Hsl::from(&(359.0, 33.0, 77.0));
85  /// let rgb_string = Rgb::from(&mut hsl).to_css_string();
86  /// assert_eq!(rgb_string, "rgb(216,177,178)");
87  /// ```
88  fn from(hsl: &mut Hsl) -> Self {
89    from_hsl(hsl)
90  }
91}
92
93impl From<Hsl> for Rgb {
94  /// # Example
95  /// ```
96  /// use colorsys::{Rgb,Hsl,prelude::*};
97  /// let hsl = Hsl::from(&(192.0, 67.0, 28.0));
98  /// let rgb_string = Rgb::from(hsl).to_css_string();
99  /// assert_eq!(rgb_string, "rgb(24,100,119)");
100  /// ```
101  fn from(hsl: Hsl) -> Self {
102    from_hsl(&hsl)
103  }
104}
105
106fn from_rgb_ratio(ratio: &RgbRatio) -> Rgb {
107  let ru = &ratio.units;
108  let t = ratio_to_rgba(&(ru[0], ru[1], ru[2], ru.alpha.get_f64()));
109  Rgb::new(t.0, t.1, t.2, Some(t.3))
110}
111
112impl From<&RgbRatio> for Rgb {
113  fn from(r: &RgbRatio) -> Self {
114    from_rgb_ratio(r)
115  }
116}
117
118impl From<&mut RgbRatio> for Rgb {
119  fn from(r: &mut RgbRatio) -> Self {
120    from_rgb_ratio(r)
121  }
122}
123
124impl From<RgbRatio> for Rgb {
125  fn from(r: RgbRatio) -> Self {
126    from_rgb_ratio(&r)
127  }
128}
129
130//
131//
132//
133// INTO
134//
135
136into_for_some!(RgbRatio, Rgb, self, { self.as_ratio() });
137
138macro_rules! into_for_rgb_all {
139  ($t: ty) => {
140    into_for_some!(($t, $t, $t), Rgb, self, {
141      let u = &self.units;
142      (u[0] as $t, u[1] as $t, u[2] as $t)
143    });
144    into_for_some!([$t; 3], Rgb, self, {
145      let u = &self.units;
146      [u[0] as $t, u[1] as $t, u[2] as $t]
147    });
148  };
149}
150
151macro_rules! into_for_rgb_all_with_alpha {
152  ($t: ty) => {
153    into_for_some!(($t, $t, $t, $t), Rgb, self, {
154      let u = &self.units;
155      (u[0] as $t, u[1] as $t, u[2] as $t, self.units.alpha.get_f64() as $t)
156    });
157    into_for_some!([$t; 4], Rgb, self, {
158      let u = &self.units;
159      [u[0] as $t, u[1] as $t, u[2] as $t, self.units.alpha.get_f64() as $t]
160    });
161  };
162}
163
164into_for_rgb_all!(f32);
165into_for_rgb_all!(f64);
166into_for_rgb_all_with_alpha!(f32);
167into_for_rgb_all_with_alpha!(f64);
168into_for_rgb_all!(i16);
169into_for_rgb_all!(i32);
170into_for_rgb_all!(i64);
171into_for_rgb_all!(u8);
172into_for_rgb_all!(u16);
173into_for_rgb_all!(u32);
174into_for_rgb_all!(u64);
colorsys/rgb/from.rs

colorsys/rgb/
from.rs
