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add luminance and greyscale methods to ARGBu8x4

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Gered 2023-04-30 17:14:36 -04:00
parent 351a6c7e03
commit 2843f87bdc
1 changed files with 12 additions and 0 deletions
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12
ggdt/src/graphics/color.rs
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@ -642,6 +642,18 @@ impl ARGBu8x4 {
pub fn lerp(&self, other: Self, t: f32) -> Self { pub fn lerp(&self, other: Self, t: f32) -> Self {
ARGBu8x4((self.0.cast() + (other.0 - self.0).cast() * simd::f32x4::splat(t)).cast()) ARGBu8x4((self.0.cast() + (other.0 - self.0).cast() * simd::f32x4::splat(t)).cast())
} }
#[inline]
pub fn luminance(&self) -> f32 {
(LUMINANCE_RED * srgb_to_linearized(self.r()))
+ (LUMINANCE_GREEN * srgb_to_linearized(self.g()))
+ (LUMINANCE_BLUE * srgb_to_linearized(self.b()))
}
#[inline]
pub fn greyscale(&self) -> u8 {
(brightness(self.luminance()) * 255.0) as u8
}
} }
impl Mul for ARGBu8x4 { impl Mul for ARGBu8x4 {