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move IndexNode to gelement-nodes

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Firestar99 2025-07-10 19:26:45 +02:00 • committed by Keavon Chambers
parent 8141b55417
commit 7ab046a343
4 changed files with 62 additions and 51 deletions
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51
node-graph/gcore/src/graphic_element.rs
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@ -1,7 +1,6 @@
use crate::blending::AlphaBlending;
use crate::bounds::BoundingBox;
use crate::color::Color;
use crate::context::Ctx;
use crate::instances::{Instance, Instances};
use crate::math::quad::Quad;
use crate::raster::image::Image;
@ -369,53 +368,3 @@ impl From<GraphicGroupTable> for GraphicElement {
pub trait ToGraphicElement {
fn to_graphic_element(&self) -> GraphicElement;
}
/// Returns the value at the specified index in the collection.
/// If that index has no value, the type's default value is returned.
#[node_macro::node(category("General"))]
fn index<T: AtIndex + Clone + Default>(
_: impl Ctx,
/// The collection of data, such as a list or table.
#[implementations(
Vec<Color>,
Vec<Option<Color>>,
Vec<f64>, Vec<u64>,
Vec<DVec2>,
VectorDataTable,
RasterDataTable<CPU>,
GraphicGroupTable,
)]
collection: T,
/// The index of the item to retrieve, starting from 0 for the first item.
index: u32,
) -> T::Output
where
T::Output: Clone + Default,
{
collection.at_index(index as usize).unwrap_or_default()
}
pub trait AtIndex {
type Output;
fn at_index(&self, index: usize) -> Option<Self::Output>;
}
impl<T: Clone> AtIndex for Vec<T> {
type Output = T;
fn at_index(&self, index: usize) -> Option<Self::Output> {
self.get(index).cloned()
}
}
impl<T: Clone> AtIndex for Instances<T> {
type Output = Instances<T>;
fn at_index(&self, index: usize) -> Option<Self::Output> {
let mut result_table = Self::default();
if let Some(row) = self.instance_ref_iter().nth(index) {
result_table.push(row.to_instance_cloned());
Some(result_table)
} else {
None
}
}
}