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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 Dennis Kobert
parent a43b3eaa00
commit 11436cfc80
7 changed files with 52 additions and 34 deletions
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7
node-graph/nodes/math/src/lib.rs
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@@ -1242,7 +1242,7 @@ fn gradient_midpoints(_: impl Ctx, mut gradient: 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(
ctx: impl Ctx + ExtractIndex + InjectIndex + Copy,
@@ -1255,8 +1255,9 @@ fn sample_gradient(
return Err(GraphError::past_end().into());
}
let spread_method = gradient.lane(0).attr::<GradientSpreadAttr>();
Ok(gradient.element_ref(0).evaluate(position, spread_method))
let gradient_spread = gradient.lane(0).attr::<GradientSpreadAttr>();
let gradient_interpolation = gradient.lane(0).attr::<GradientInterpolationAttr>();
Ok(gradient.element_ref(0).evaluate(position, gradient_spread, gradient_interpolation))
}
/// Constructs a footprint value which may be set to any transformation of a unit square describing a render area, and a render resolution at least 1x1 integer pixels.