colorsys/hsl/
from.rs

1use crate::{
2  ColorAlpha, converters::*, ratio_converters::ratio_to_hsla,
3};
4
5use super::{Hsl, HslRatio, Rgb};
6
7macro_rules! from_for_hsl {
8  ($from_type: ty, $val: ident, $conv: block) => {
9    impl From<&$from_type> for Hsl {
10      fn from($val: &$from_type) -> Hsl {
11        ($conv)
12      }
13    }
14    impl From<$from_type> for Hsl {
15      fn from($val: $from_type) -> Hsl {
16        Hsl::from(&$val)
17      }
18    }
19  };
20}
21
22macro_rules! from_for_hsl_all {
23  ($t: ty) => {
24    from_for_hsl!(($t, $t, $t), v, {
25      let (h, s, l) = *v;
26      Hsl::new(h as f64, s as f64, l as f64, None)
27    });
28    from_for_hsl!([$t; 3], v, {
29      let [h, s, l] = *v;
30      Hsl::new(h as f64, s as f64, l as f64, None)
31    });
32  };
33}
34
35macro_rules! from_for_hsl_all_with_alpha {
36  ($t: ty) => {
37    from_for_hsl!(($t, $t, $t, $t), v, {
38      let (h, s, l, a) = *v;
39      Hsl::new(h as f64, s as f64, l as f64, Some(a as f64))
40    });
41    from_for_hsl!([$t; 4], v, {
42      let [h, s, l, a] = *v;
43      Hsl::new(h as f64, s as f64, l as f64, Some(a as f64))
44    });
45  };
46}
47
48from_for_hsl_all!(f32);
49from_for_hsl_all!(f64);
50from_for_hsl_all_with_alpha!(f32);
51from_for_hsl_all_with_alpha!(f64);
52from_for_hsl_all!(i16);
53from_for_hsl_all!(i32);
54from_for_hsl_all!(i64);
55from_for_hsl_all!(u16);
56from_for_hsl_all!(u32);
57from_for_hsl_all!(u64);
58
59fn from_rgb(rgb: &Rgb) -> Hsl {
60  let a = rgb.alpha();
61  let mut hsl = Hsl::from_units(rgb_to_hsl(rgb));
62  hsl.set_alpha(a);
63  hsl
64}
65
66impl From<&Rgb> for Hsl {
67  /// # Example
68  /// ```
69  /// use colorsys::{Rgb,Hsl,prelude::*};
70  /// let rgb = Rgb::from(&(215.0, 231.0, 236.0));
71  /// let hsl = Hsl::from(&rgb);
72  /// assert_eq!(hsl.to_css_string(), "hsl(194,36%,88%)");
73  /// ```
74  fn from(rgb: &Rgb) -> Self {
75    from_rgb(rgb)
76  }
77}
78
79impl From<&mut Rgb> for Hsl {
80  /// # Example
81  /// ```
82  /// use colorsys::{Rgb,Hsl,prelude::*};
83  /// let mut rgb = Rgb::from(&(0.0, 0.0, 0.0));
84  /// let hsl_string = Hsl::from(&mut rgb).to_css_string();
85  /// assert_eq!(hsl_string, "hsl(0,0%,0%)");
86  /// ```
87  fn from(rgb: &mut Rgb) -> Self {
88    from_rgb(rgb)
89  }
90}
91
92impl From<Rgb> for Hsl {
93  /// # Example
94  /// ```
95  /// use colorsys::{Rgb,Hsl,prelude::*};
96  /// let rgb = Rgb::from(&(255.0, 255.0, 255.0));
97  /// let hsl_string = Hsl::from(rgb).to_css_string();
98  /// assert_eq!(hsl_string, "hsl(0,0%,100%)");
99  /// ```
100  fn from(rgb: Rgb) -> Self {
101    from_rgb(&rgb)
102  }
103}
104
105fn from_hsl_ratio(ratio: &HslRatio) -> Hsl {
106  let ru = &ratio.units;
107  let t = ratio_to_hsla(&(ru[0], ru[1], ru[2], ru.alpha.get_f64()));
108  Hsl::new(t.0, t.1, t.2, Some(t.3))
109}
110
111impl From<&HslRatio> for Hsl {
112  fn from(r: &HslRatio) -> Self {
113    from_hsl_ratio(r)
114  }
115}
116
117impl From<&mut HslRatio> for Hsl {
118  fn from(r: &mut HslRatio) -> Self {
119    from_hsl_ratio(r)
120  }
121}
122
123impl From<HslRatio> for Hsl {
124  fn from(r: HslRatio) -> Self {
125    from_hsl_ratio(&r)
126  }
127}
128
129//
130//
131//
132// INTO
133//
134
135macro_rules! into_for_hsl_all {
136  ($t: ty) => {
137    into_for_some!(($t, $t, $t), Hsl, self, {
138      let u = &self.units;
139      (u[0] as $t, u[1] as $t, u[2] as $t)
140    });
141    into_for_some!([$t; 3], Hsl, self, {
142      let u = &self.units;
143      [u[0] as $t, u[1] as $t, u[2] as $t]
144    });
145  };
146}
147
148macro_rules! into_for_hsl_all_with_alpha {
149  ($t: ty) => {
150    into_for_some!(($t, $t, $t, $t), Hsl, self, {
151      let u = &self.units;
152      (u[0] as $t, u[1] as $t, u[2] as $t, self.units.alpha.get_f64() as $t)
153    });
154    into_for_some!([$t; 4], Hsl, self, {
155      let u = &self.units;
156      [u[0] as $t, u[1] as $t, u[2] as $t, self.units.alpha.get_f64() as $t]
157    });
158  };
159}
160
161into_for_hsl_all!(f32);
162into_for_hsl_all!(f64);
163into_for_hsl_all_with_alpha!(f32);
164into_for_hsl_all_with_alpha!(f64);
165into_for_hsl_all!(i16);
166into_for_hsl_all!(i32);
167into_for_hsl_all!(i64);
168into_for_hsl_all!(u16);
169into_for_hsl_all!(u32);
170into_for_hsl_all!(u64);
colorsys/hsl/from.rs

colorsys/hsl/
from.rs
