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Add the "Perceptual" and "Classic" families of gradient spaces with OkLab as the new default (#4415)

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* Add an OkLab gradient interpolation space and make it the new default

* Fix the Properties panel fill row resetting the gradient interpolation space to the default

* Add OkLch, Lab, LCh, and HSL gradient interpolation spaces

* Add a hue direction attribute and picker choice for polar gradient interpolation spaces

* Add an HSV gradient interpolation space

* Rename the sRGB Linear and sRGB Gamma gradient spaces to RGB Linear and RGB Gamma

* Divide the gradient interpolation dropdown between absolute and relative color spaces

* Rename the OkLch gradient interpolation space to OkLCh for channel-notation capitalization

* Shorten the color picker popover's hue direction row label to Arc

* Call the Gradient Interpolation node's parameter Space and extend the picker tooltip title to match

* Rename the gradient interpolation attribute and type family to gradient space

* Rename the gradient tool's gradient space transform to gradient to viewport transform

* Add serde aliases and a node replacement covering the gradient space renames

* Give the gradient space choices artist-facing labels and reorder the dropdown sections

* Add a Gradient Hue Direction node and its attribute read node

* Say interpolate instead of blend for gradient stop color traversal in docs and tooltips

* Label the polar perceptual gradient spaces as Perceptual Hue and group the dropdown sections by geometry

* Add a migration alias covering the gradient space attribute reader rename

* Carry the gradient hue direction attribute through boolean operations

* Register GradientHueDirection wire types in the node registry
This commit is contained in:
Keavon Chambers
2026-08-06 02:40:25 -07:00
committed by GitHub
parent 3f082c881f
commit 461ddbc872
31 changed files with 826 additions and 360 deletions
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9
node-graph/nodes/vector/src/vector_nodes.rs
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@@ -3,7 +3,7 @@ use core::f64::consts::{PI, TAU};
use core::hash::{Hash, Hasher};
use core_types::blending::BlendMode;
use core_types::bounds::{BoundingBox, RenderBoundingBox};
use core_types::list::{ATTR_FILL, ATTR_GRADIENT_INTERPOLATION, ATTR_STROKE, Item, ItemAttributeValues, List, ListDyn, NodeIdPath};
use core_types::list::{ATTR_FILL, ATTR_GRADIENT_HUE_DIRECTION, ATTR_GRADIENT_SPACE, ATTR_STROKE, Item, ItemAttributeValues, List, ListDyn, NodeIdPath};
use core_types::registry::types::{Angle, Length, Multiplier, Percentage, PixelLength, Progression, SeedValue};
use core_types::transform::{Footprint, Transform};
use core_types::uuid::NodeId;
@@ -32,7 +32,7 @@ use vector_types::vector::misc::{
CentroidType, ExtrudeJoiningAlgorithm, HandleId, InterpolationDistribution, MergeByDistanceAlgorithm, PointSpacingType, RowsOrColumns, bezpath_from_manipulator_groups,
bezpath_to_manipulator_groups, handles_to_segment, is_linear, point_to_dvec2, segment_to_handles,
};
use vector_types::vector::style::{DashPattern, Gradient, GradientInterpolation, PaintOrder, Stroke, StrokeAlign, StrokeCap, StrokeJoin};
use vector_types::vector::style::{DashPattern, Gradient, GradientHueDirection, GradientSpace, PaintOrder, Stroke, StrokeAlign, StrokeCap, StrokeJoin};
use vector_types::vector::{FillId, PointId, RegionId, SegmentDomain, SegmentId, StrokeId, VectorExt};
use vector_types::vector::{PointDomain, RegionDomain};
@@ -141,7 +141,8 @@ where
let mut content = content;
let length = content.vector_count();
let gradient_interpolation = gradient.attribute_cloned_or_default::<GradientInterpolation>(ATTR_GRADIENT_INTERPOLATION);
let gradient_space = gradient.attribute_cloned_or_default::<GradientSpace>(ATTR_GRADIENT_SPACE);
let gradient_hue_direction = gradient.attribute_cloned_or_default::<GradientHueDirection>(ATTR_GRADIENT_HUE_DIRECTION);
let element = gradient.into_element();
let gradient = if reverse { element.reversed() } else { element };
@@ -160,7 +161,7 @@ where
};
// The factor spans 0..=1 inclusively, so the spread deliberately stays Pad (Repeat would wrap the final element onto the first stop's color)
let color = gradient.evaluate(factor, Default::default(), gradient_interpolation);
let color = gradient.evaluate(factor, Default::default(), gradient_space, gradient_hue_direction);
let paint = List::new_from_element(color).into_graphic_list();
if fill {