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Make gradient evaluation follow the ramp's interpolation space attribute (#4414)

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This commit is contained in:
Keavon Chambers
2026-08-05 19:32:51 -07:00
committed by GitHub
parent faed7f81bf
commit 3f082c881f
7 changed files with 49 additions and 31 deletions
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node-graph/nodes/math/src/lib.rs
+3 -2
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@@ -1425,11 +1425,12 @@ fn gradient_midpoints(_: impl Ctx, gradient: Item<Gradient>, midpoints: List<f64
gradient
}
/// Evaluates the color at the specified position along the gradient, given a position from 0 (left) to 1 (right). Positions beyond that range follow the gradient's `gradient_spread` attribute: Pad (default), Reflect, Repeat, or Clear.
/// Evaluates the color at the specified position along the gradient, given a position from 0 (left) to 1 (right). Positions beyond that range follow the gradient's `gradient_spread` attribute: Pad (default), Reflect, Repeat, or Clear. Colors between stops blend in the gradient's `gradient_interpolation` color space.
#[node_macro::node(category("Color"))]
fn sample_gradient(_: impl Ctx, _primary: (), #[default(Color::BLACK, Color::WHITE)] gradient: Item<Gradient>, position: Item<Fraction>) -> Item<Color> {
let gradient_spread = gradient.attribute_cloned_or_default::<vector_types::GradientSpread>(core_types::ATTR_GRADIENT_SPREAD);
let color = gradient.element().evaluate(*position.element(), gradient_spread);
let gradient_interpolation = gradient.attribute_cloned_or_default::<vector_types::GradientInterpolation>(core_types::ATTR_GRADIENT_INTERPOLATION);
let color = gradient.element().evaluate(*position.element(), gradient_spread, gradient_interpolation);
Item::new_from_element(color)
}