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Rework Gradient into a newtype of List<Color> with optional position and midpoint attributes (#4397)

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* Rework Gradient into a newtype of List<Color> with optional position and midpoint attributes

* Fix Vello stopless-gradient fallback coverage, empty legacy gradient tables, the node docs gradient swatch, NaN position elision, and wired setter input overwrites
This commit is contained in:
Keavon Chambers
2026-08-03 04:05:02 -07:00
committed by Dennis Kobert
parent 8504564f5d
commit f6b4ce71e6
36 changed files with 1112 additions and 464 deletions
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5
node-graph/nodes/raster/src/gradient_map.rs
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@@ -17,18 +17,19 @@ fn gradient_map<T: Adjust<Color> + Clone + Send + Sync + core_types::CacheHash +
Gradient,
)]
mut image: T,
gradient: IList<Gradient>,
#[default(Color::BLACK, Color::WHITE)] gradient: IList<Gradient>,
reverse: bool,
) -> T {
if gradient.is_empty() {
return image;
}
let spread_method = gradient.lane(0).attr::<vector_types::markers::SpreadMethod>();
let gradient = gradient.element_ref(0);
image.adjust(|color| {
let intensity = color.luminance_rec_709();
let intensity = if reverse { 1. - intensity } else { intensity };
gradient.evaluate(intensity as f64)
gradient.evaluate(intensity as f64, spread_method)
});
image