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New nodes: Colors to Gradient, Flatten Color, and Flatten Gradient (#3835)

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* New nodes: Colors to Gradient, Flatten Color, and Flatten Gradient

* Fix Data panel not showing GradientStops

* Fix wrong category
This commit is contained in:
Keavon Chambers
2026-02-26 03:44:12 -08:00
committed by GitHub
parent da7437c023
commit cde7d5f951
3 changed files with 169 additions and 38 deletions
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108
node-graph/nodes/graphic/src/graphic.rs
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@@ -7,7 +7,44 @@ use glam::{DAffine2, DVec2};
use graphic_types::graphic::{Graphic, IntoGraphicTable};
use graphic_types::{Artboard, Vector};
use raster_types::{CPU, GPU, Raster};
use vector_types::{GradientStops, ReferencePoint};
use vector_types::{GradientStop, GradientStops, ReferencePoint};
/// Returns the value at the specified index in the collection.
/// If no value exists at that index, the type's default value is returned.
#[node_macro::node(category("General"))]
pub fn index_elements<T: graphic_types::graphic::AtIndex + Clone + Default>(
_: impl Ctx,
/// The collection of data, such as a list or table.
#[implementations(
Vec<f64>,
Vec<u32>,
Vec<u64>,
Vec<DVec2>,
Vec<String>,
Table<Artboard>,
Table<Graphic>,
Table<Vector>,
Table<Raster<CPU>>,
Table<Raster<GPU>>,
Table<Color>,
Table<GradientStops>,
)]
collection: T,
/// The index of the item to retrieve, starting from 0 for the first item. Negative indices count backwards from the end of the collection, starting from -1 for the last item.
index: SignedInteger,
) -> T::Output
where
T::Output: Clone + Default,
{
let index = index as i32;
if index < 0 {
collection.at_index_from_end(-index as usize)
} else {
collection.at_index(index as usize)
}
.unwrap_or_default()
}
#[node_macro::node(category("General"))]
async fn map<Item: AnyHash + Send + Sync + std::hash::Hash>(
@@ -261,45 +298,42 @@ pub async fn flatten_vector<T: IntoGraphicTable + 'n + Send + Clone>(_: impl Ctx
content.into_flattened_vector_table()
}
/// Converts a graphic table into a vector table by deeply flattening any vector content it contains, and discarding any non-vector content.
#[node_macro::node(category("Vector"))]
/// Converts a graphic table into a raster table by deeply flattening any raster content it contains, and discarding any non-raster content.
#[node_macro::node(category("Raster"))]
pub async fn flatten_raster<T: IntoGraphicTable + 'n + Send + Clone>(_: impl Ctx, #[implementations(Table<Graphic>, Table<Raster<CPU>>)] content: T) -> Table<Raster<CPU>> {
content.into_flattened_raster_table()
}
/// Returns the value at the specified index in the collection.
/// If no value exists at that index, the type's default value is returned.
/// Converts a graphic table into a color table by deeply flattening any color content it contains, and discarding any non-color content.
#[node_macro::node(category("General"))]
pub fn index_elements<T: graphic_types::graphic::AtIndex + Clone + Default>(
_: impl Ctx,
/// The collection of data, such as a list or table.
#[implementations(
Vec<f64>,
Vec<u32>,
Vec<u64>,
Vec<DVec2>,
Vec<String>,
Table<Artboard>,
Table<Graphic>,
Table<Vector>,
Table<Raster<CPU>>,
Table<Raster<GPU>>,
Table<Color>,
Table<GradientStops>,
)]
collection: T,
/// The index of the item to retrieve, starting from 0 for the first item. Negative indices count backwards from the end of the collection, starting from -1 for the last item.
index: SignedInteger,
) -> T::Output
where
T::Output: Clone + Default,
{
let index = index as i32;
if index < 0 {
collection.at_index_from_end(-index as usize)
} else {
collection.at_index(index as usize)
}
.unwrap_or_default()
pub async fn flatten_color<T: IntoGraphicTable + 'n + Send + Clone>(_: impl Ctx, #[implementations(Table<Graphic>, Table<Color>)] content: T) -> Table<Color> {
content.into_flattened_color_table()
}
/// Converts a graphic table into a gradient table by deeply flattening any gradient content it contains, and discarding any non-gradient content.
#[node_macro::node(category("General"))]
pub async fn flatten_gradient<T: IntoGraphicTable + 'n + Send + Clone>(_: impl Ctx, #[implementations(Table<Graphic>, Table<GradientStops>)] content: T) -> Table<GradientStops> {
content.into_flattened_gradient_table()
}
/// Constructs a gradient from a table of colors, where the colors are evenly distributed as gradient stops across the range from 0 to 1.
#[node_macro::node(category("Color"))]
fn colors_to_gradient<T: IntoGraphicTable + 'n + Send + Clone>(_: impl Ctx, #[implementations(Table<Graphic>, Table<Color>)] colors: T) -> GradientStops {
let colors = colors.into_flattened_color_table();
let total_colors = colors.len();
if total_colors == 0 {
return GradientStops::new(vec![GradientStop {
position: 0.,
midpoint: 0.5,
color: Color::BLACK,
}]);
}
let colors = colors.into_iter().enumerate().map(|(index, row)| GradientStop {
position: index as f64 / (total_colors - 1).max(1) as f64,
midpoint: 0.5,
color: row.element,
});
GradientStops::new(colors)
}