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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/libraries/rendering/src/render_ext.rs
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@@ -3,14 +3,14 @@ use crate::{Render, RenderSvgSegmentList, SvgRender};
use core_types::color::SRGBA8;
use core_types::list::List;
use core_types::uuid::generate_uuid;
use core_types::{ATTR_GRADIENT_FORM, ATTR_GRADIENT_INTERPOLATION, ATTR_GRADIENT_SPREAD, ATTR_TRANSFORM, Color};
use core_types::{ATTR_GRADIENT_FORM, ATTR_GRADIENT_HUE_DIRECTION, ATTR_GRADIENT_SPACE, ATTR_GRADIENT_SPREAD, ATTR_TRANSFORM, Color};
use glam::{DAffine2, DVec2};
use graphic_types::Graphic;
use graphic_types::vector_types::gradient::GradientForm;
use graphic_types::vector_types::vector::style::{PaintOrder, Stroke, StrokeAlign, StrokeCap, StrokeJoin};
use std::fmt::Write;
use vector_types::Gradient;
use vector_types::gradient::{GradientInterpolation, GradientSpread};
use vector_types::gradient::{GradientHueDirection, GradientSpace, GradientSpread};
#[derive(Copy, Clone, PartialEq)]
pub enum PaintTarget {
@@ -96,9 +96,10 @@ impl RenderExt for List<Gradient> {
let gradient_form: GradientForm = self.attribute_cloned_or_default(ATTR_GRADIENT_FORM, 0);
let local_gradient_transform: DAffine2 = self.attribute_cloned_or_default(ATTR_TRANSFORM, 0);
let gradient_spread: GradientSpread = self.attribute_cloned_or_default(ATTR_GRADIENT_SPREAD, 0);
let gradient_interpolation: GradientInterpolation = self.attribute_cloned_or_default(ATTR_GRADIENT_INTERPOLATION, 0);
let gradient_space: GradientSpace = self.attribute_cloned_or_default(ATTR_GRADIENT_SPACE, 0);
let gradient_hue_direction: GradientHueDirection = self.attribute_cloned_or_default(ATTR_GRADIENT_HUE_DIRECTION, 0);
let (samples, _) = spread_adjusted_samples(stops, gradient_spread, gradient_form, gradient_interpolation, ClearGuardPlacement::SvgStopOrder);
let (samples, _) = spread_adjusted_samples(stops, gradient_spread, gradient_form, gradient_space, gradient_hue_direction, ClearGuardPlacement::SvgStopOrder);
for (position, color, original_midpoint) in samples {
stop.push_str("<stop");