Oriol Brufau 2024-03-18 14:52:40 +01:00 committed by GitHub
parent 94c1f2c992
commit c07484fcb6
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67 changed files with 235 additions and 491 deletions

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@ -2,7 +2,7 @@
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use style::color::AbsoluteColor;
use style::color::{AbsoluteColor, ColorSpace};
use style::values::animated::{Animate, Procedure, ToAnimatedValue};
fn interpolate_color(from: AbsoluteColor, to: AbsoluteColor, progress: f64) -> AbsoluteColor {
@ -14,28 +14,40 @@ fn interpolate_color(from: AbsoluteColor, to: AbsoluteColor, progress: f64) -> A
)
}
fn srgb_legacy_from_floats(red: f32, green: f32, blue: f32, alpha: f32) -> AbsoluteColor {
AbsoluteColor::new(ColorSpace::Srgb, red, green, blue, alpha).into_srgb_legacy()
}
// Color
#[test]
fn test_rgba_color_interepolation_preserves_transparent() {
assert_eq!(
interpolate_color(
AbsoluteColor::transparent(),
AbsoluteColor::transparent(),
0.5
),
AbsoluteColor::transparent()
interpolate_color(AbsoluteColor::TRANSPARENT, AbsoluteColor::TRANSPARENT, 0.5),
AbsoluteColor::TRANSPARENT
);
}
#[test]
fn test_rgba_color_interepolation_alpha() {
fn test_rgba_color_interepolation_alpha_1() {
assert_eq!(
interpolate_color(
AbsoluteColor::srgb(0.6, 0.0, 0.0, 0.4),
AbsoluteColor::srgb(0.0, 0.6, 0.0, 0.8),
AbsoluteColor::srgb_legacy(150, 0, 0, 0.4),
AbsoluteColor::srgb_legacy(0, 150, 0, 0.8),
0.5
),
AbsoluteColor::srgb(0.2, 0.4, 0.0, 0.6)
AbsoluteColor::srgb_legacy(50, 100, 0, 0.6)
);
}
#[test]
fn test_rgba_color_interepolation_alpha_2() {
assert_eq!(
interpolate_color(
srgb_legacy_from_floats(0.6, 0.0, 0.0, 0.4),
srgb_legacy_from_floats(0.0, 0.6, 0.0, 0.8),
0.5
),
srgb_legacy_from_floats(0.2, 0.4, 0.0, 0.6)
);
}
@ -43,13 +55,15 @@ fn test_rgba_color_interepolation_alpha() {
fn test_rgba_color_interepolation_out_of_range_1() {
// Some cubic-bezier functions produce values that are out of range [0, 1].
// Unclamped cases.
// Note `AbsoluteColor::srgb_legacy` doesn't accept out of range values,
// so we only test with `srgb_legacy_from_floats`.
assert_eq!(
interpolate_color(
AbsoluteColor::srgb(0.3, 0.0, 0.0, 0.4),
AbsoluteColor::srgb(0.0, 1.0, 0.0, 0.6),
srgb_legacy_from_floats(0.3, 0.0, 0.0, 0.4),
srgb_legacy_from_floats(0.0, 1.0, 0.0, 0.6),
-0.5
),
AbsoluteColor::srgb(0.6, -1.0, 0.0, 0.3)
srgb_legacy_from_floats(0.6, -1.0, 0.0, 0.3)
);
}
@ -57,11 +71,11 @@ fn test_rgba_color_interepolation_out_of_range_1() {
fn test_rgba_color_interepolation_out_of_range_2() {
assert_eq!(
interpolate_color(
AbsoluteColor::srgb(1.0, 0.0, 0.0, 0.6),
AbsoluteColor::srgb(0.0, 0.3, 0.0, 0.4),
srgb_legacy_from_floats(1.0, 0.0, 0.0, 0.6),
srgb_legacy_from_floats(0.0, 0.3, 0.0, 0.4),
1.5
),
AbsoluteColor::srgb(-1.0, 0.6, 0.0, 0.3)
srgb_legacy_from_floats(-1.0, 0.6, 0.0, 0.3)
);
}
@ -69,11 +83,11 @@ fn test_rgba_color_interepolation_out_of_range_2() {
fn test_rgba_color_interepolation_out_of_range_clamped_1() {
assert_eq!(
interpolate_color(
AbsoluteColor::srgb(1.0, 0.0, 0.0, 0.8),
AbsoluteColor::srgb(0.0, 1.0, 0.0, 0.2),
srgb_legacy_from_floats(1.0, 0.0, 0.0, 0.8),
srgb_legacy_from_floats(0.0, 1.0, 0.0, 0.2),
-0.5
),
AbsoluteColor::srgb(1.2, -0.1, 0.0, 1.0)
srgb_legacy_from_floats(1.2, -0.1, 0.0, 1.0)
);
}
@ -81,10 +95,10 @@ fn test_rgba_color_interepolation_out_of_range_clamped_1() {
fn test_rgba_color_interepolation_out_of_range_clamped_2() {
assert_eq!(
interpolate_color(
AbsoluteColor::srgb(1.0, 0.0, 0.0, 0.8),
AbsoluteColor::srgb(0.0, 1.0, 0.0, 0.2),
srgb_legacy_from_floats(1.0, 0.0, 0.0, 0.8),
srgb_legacy_from_floats(0.0, 1.0, 0.0, 0.2),
1.5
),
AbsoluteColor::srgb(-0.4, 0.3, 0.0, 0.0)
srgb_legacy_from_floats(-0.4, 0.3, 0.0, 0.0)
);
}