use core::ops::{Add, Neg};
use crate::{
angle::RealAngle,
bool_mask::LazySelect,
num::{Arithmetics, One, PartialCmp, Real, Trigonometry, Zero},
white_point::D65,
FromColor, GetHue, OklabHue, Xyz,
};
use super::Oklab;
impl_is_within_bounds! {
Oklab {
l => [Self::min_l(), Self::max_l()]
}
where T: Zero + One
}
impl_clamp! {
Oklab {
l => [Self::min_l(), Self::max_l()]
}
other {a, b}
where T: Zero + One
}
impl_mix!(Oklab);
impl_lighten!(Oklab increase {l => [Self::min_l(), Self::max_l()]} other {a, b} where T: One);
impl_premultiply!(Oklab { l, a, b });
impl_euclidean_distance!(Oklab { l, a, b });
impl_hyab!(Oklab {
lightness: l,
chroma1: a,
chroma2: b
});
impl_lab_color_schemes!(Oklab[l]);
impl<T> GetHue for Oklab<T>
where
T: RealAngle + Trigonometry + Add<T, Output = T> + Neg<Output = T> + Clone,
{
type Hue = OklabHue<T>;
fn get_hue(&self) -> OklabHue<T> {
OklabHue::from_cartesian(self.a.clone(), self.b.clone())
}
}
impl_color_add!(Oklab, [l, a, b]);
impl_color_sub!(Oklab, [l, a, b]);
impl_color_mul!(Oklab, [l, a, b]);
impl_color_div!(Oklab, [l, a, b]);
impl_array_casts!(Oklab<T>, [T; 3]);
impl_simd_array_conversion!(Oklab, [l, a, b]);
impl_struct_of_array_traits!(Oklab, [l, a, b]);
impl_eq!(Oklab, [l, a, b]);
#[allow(deprecated)]
impl<T> crate::RelativeContrast for Oklab<T>
where
T: Real + Arithmetics + PartialCmp,
T::Mask: LazySelect<T>,
Xyz<D65, T>: FromColor<Self>,
{
type Scalar = T;
#[inline]
fn get_contrast_ratio(self, other: Self) -> T {
let xyz1 = Xyz::from_color(self);
let xyz2 = Xyz::from_color(other);
crate::contrast_ratio(xyz1.y, xyz2.y)
}
}
#[cfg(test)]
mod test {
#[cfg(feature = "approx")]
use crate::{Oklab, Oklch};
test_lab_color_schemes!(Oklab / Oklch[l]);
}