palette/oklab/
properties.rs

1use core::ops::{Add, Neg};
2
3use crate::{
4    angle::RealAngle,
5    bool_mask::LazySelect,
6    num::{Arithmetics, One, PartialCmp, Real, Trigonometry, Zero},
7    white_point::D65,
8    FromColor, GetHue, OklabHue, Xyz,
9};
10
11use super::Oklab;
12
13impl_is_within_bounds! {
14    Oklab {
15        l => [Self::min_l(), Self::max_l()]
16    }
17    where T: Zero + One
18}
19impl_clamp! {
20    Oklab {
21        l => [Self::min_l(), Self::max_l()]
22    }
23    other {a, b}
24    where T: Zero + One
25}
26
27impl_mix!(Oklab);
28impl_lighten!(Oklab increase {l => [Self::min_l(), Self::max_l()]} other {a, b} where T:  One);
29impl_premultiply!(Oklab { l, a, b });
30impl_euclidean_distance!(Oklab { l, a, b });
31impl_hyab!(Oklab {
32    lightness: l,
33    chroma1: a,
34    chroma2: b
35});
36impl_lab_color_schemes!(Oklab[l]);
37
38impl<T> GetHue for Oklab<T>
39where
40    T: RealAngle + Trigonometry + Add<T, Output = T> + Neg<Output = T> + Clone,
41{
42    type Hue = OklabHue<T>;
43
44    fn get_hue(&self) -> OklabHue<T> {
45        OklabHue::from_cartesian(self.a.clone(), self.b.clone())
46    }
47}
48
49impl_color_add!(Oklab, [l, a, b]);
50impl_color_sub!(Oklab, [l, a, b]);
51impl_color_mul!(Oklab, [l, a, b]);
52impl_color_div!(Oklab, [l, a, b]);
53
54impl_array_casts!(Oklab<T>, [T; 3]);
55impl_simd_array_conversion!(Oklab, [l, a, b]);
56impl_struct_of_array_traits!(Oklab, [l, a, b]);
57
58impl_eq!(Oklab, [l, a, b]);
59
60#[allow(deprecated)]
61impl<T> crate::RelativeContrast for Oklab<T>
62where
63    T: Real + Arithmetics + PartialCmp,
64    T::Mask: LazySelect<T>,
65    Xyz<D65, T>: FromColor<Self>,
66{
67    type Scalar = T;
68
69    #[inline]
70    fn get_contrast_ratio(self, other: Self) -> T {
71        let xyz1 = Xyz::from_color(self);
72        let xyz2 = Xyz::from_color(other);
73
74        crate::contrast_ratio(xyz1.y, xyz2.y)
75    }
76}
77
78#[cfg(test)]
79mod test {
80    #[cfg(feature = "approx")]
81    use crate::{Oklab, Oklch};
82
83    test_lab_color_schemes!(Oklab / Oklch[l]);
84}