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add color tinting for ARGBu8x4

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Gered 2023-04-30 16:59:24 -04:00
parent 033081a49e
commit 1667ae2c43
1 changed files with 15 additions and 0 deletions
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15
ggdt/src/graphics/color.rs
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@ -630,6 +630,14 @@ impl ARGBu8x4 {
blended
}
#[inline]
pub fn tint(&self, mut tint: Self) -> Self {
let strength = tint.a();
tint.set_a(self.a());
ARGBu8x4::blend_components(strength, tint, *self)
}
#[inline]
pub fn lerp(&self, other: Self, t: f32) -> Self {
ARGBu8x4((self.0.cast() + (other.0 - self.0).cast() * simd::f32x4::splat(t)).cast())
}
@ -996,6 +1004,13 @@ mod tests {
assert_eq!([0x00, 0x55, 0x55, 0x55], ARGBu8x4::from(0x00112233).blend_with_alpha(ARGBu8x4::from(0xff555555), 0).to_array());
}
#[test]
fn argbu8x4_tinting() {
assert_eq!([0xff, 0x11, 0x22, 0x33], ARGBu8x4::from(0xffffffff).tint(ARGBu8x4::from(0xff112233)).to_array());
assert_eq!([0xff, 0x88, 0x90, 0x99], ARGBu8x4::from(0xffffffff).tint(ARGBu8x4::from(0x7f112233)).to_array());
assert_eq!([0xff, 0xff, 0xff, 0xff], ARGBu8x4::from(0xffffffff).tint(ARGBu8x4::from(0x00112233)).to_array());
}
#[test]
fn argbf32x4() {
let mut color = ARGBf32x4(simd::f32x4::from_array([0.5, 0.1, 0.2, 0.3]));