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Add 'Instance Map' and 'Instance Vector' nodes (#3229) 

* Add map instance and extract vector nodes

* Cleanup

* Inject index in map node

* Code review

---------

Co-authored-by: Keavon Chambers <keavon@keavon.com>
This commit is contained in:
Dennis Kobert 2025-10-27 15:56:08 +01:00 committed by GitHub
parent f102801059
commit e5f40a3316
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1 changed files with 26 additions and 1 deletions
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27
node-graph/gcore/src/vector/vector_nodes.rs
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@ -17,7 +17,7 @@ use crate::vector::misc::{MergeByDistanceAlgorithm, PointSpacingType, is_linear}
use crate::vector::misc::{handles_to_segment, segment_to_handles};
use crate::vector::style::{PaintOrder, StrokeAlign, StrokeCap, StrokeJoin};
use crate::vector::{FillId, RegionId};
use crate::{CloneVarArgs, Color, Context, Ctx, ExtractAll, Graphic, OwnedContextImpl};
use crate::{CloneVarArgs, Color, Context, Ctx, ExtractAll, ExtractVarArgs, Graphic, OwnedContextImpl};
use core::f64::consts::PI;
use core::hash::{Hash, Hasher};
use glam::{DAffine2, DVec2};
@ -970,6 +970,31 @@ async fn separate_subpaths(_: impl Ctx, content: Table<Vector>) -> Table<Vector>
.collect()
}
#[node_macro::node(category("Vector: Modifier"), path(graphene_core::vector))]
fn instance_vector(ctx: impl Ctx + ExtractVarArgs) -> Table<Vector> {
let Ok(var_arg) = ctx.vararg(0) else { return Default::default() };
let var_arg = var_arg as &dyn std::any::Any;
var_arg.downcast_ref().cloned().unwrap_or_default()
}
#[node_macro::node(category("Vector: Modifier"), path(graphene_core::vector))]
async fn instance_map(ctx: impl Ctx + CloneVarArgs + ExtractAll, content: Table<Vector>, mapped: impl Node<Context<'static>, Output = Table<Vector>>) -> Table<Vector> {
let mut rows = Vec::new();
for (i, row) in content.into_iter().enumerate() {
let owned_ctx = OwnedContextImpl::from(ctx.clone());
let owned_ctx = owned_ctx.with_vararg(Box::new(Table::new_from_row(row))).with_index(i);
let table = mapped.eval(owned_ctx.into_context()).await;
for inner_row in table {
rows.push(inner_row);
}
}
rows.into_iter().collect()
}
#[node_macro::node(category("Vector"), path(graphene_core::vector))]
async fn flatten_path<I: 'n + Send>(_: impl Ctx, #[implementations(Table<Graphic>, Table<Vector>)] content: Table<I>) -> Table<Vector>
where