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Convert rasterize to an async record source with an owned merged-layers write

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This commit is contained in:
Dennis Kobert
2026-09-05 12:17:06 +00:00
parent 3e1a9a1acf
commit 39ce55ab61
3 changed files with 18 additions and 13 deletions
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22
node-graph/nodes/gstd/src/platform_application_io.rs
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@@ -5,7 +5,9 @@ use canvas_utils::{Canvas, CanvasHandle};
use core_types::color::SRGBA8;
use core_types::gpoll::GPoll;
#[cfg(target_family = "wasm")]
use core_types::list::{Item, List};
use core_types::attribute::{Attr, OwnedAttr, Transform};
#[cfg(target_family = "wasm")]
use core_types::list::List;
#[cfg(target_family = "wasm")]
use core_types::math::bbox::Bbox;
@@ -21,10 +23,10 @@ pub use graph_craft::document::value::RenderOutputType;
#[cfg(target_family = "wasm")]
pub use graphene_canvas_utils as canvas_utils;
#[cfg(target_family = "wasm")]
use graphic_types::ATTR_EDITOR_MERGED_LAYERS;
#[cfg(target_family = "wasm")]
use graphic_types::Graphic;
#[cfg(target_family = "wasm")]
use graphic_types::markers::EditorMergedLayers;
#[cfg(target_family = "wasm")]
use graphic_types::IntoGraphicList;
#[cfg(target_family = "wasm")]
use graphic_types::Vector;
@@ -204,6 +206,7 @@ fn create_canvas(_: impl Ctx) -> CanvasHandle {
#[node_macro::node(category(""))]
async fn rasterize<T: WasmNotSend + Clone>(
_: impl Ctx,
_: (),
#[implementations(
List<Vector>,
List<Raster<CPU>>,
@@ -214,7 +217,7 @@ async fn rasterize<T: WasmNotSend + Clone>(
mut data: List<T>,
footprint: Footprint,
mut canvas: CanvasHandle,
) -> List<Raster<CPU>>
) -> (Raster<CPU>, Attr<Transform>, OwnedAttr<EditorMergedLayers>)
where
List<T>: Render + Clone + graphic_types::IntoGraphicList,
{
@@ -222,12 +225,15 @@ where
if footprint.transform.matrix2.determinant() == 0. {
log::trace!("Invalid footprint received for rasterization");
return List::new();
// A zero-size raster renders as nothing, matching the legacy empty list
return (Raster::new_cpu(Image::default()), Attr(DAffine2::IDENTITY), OwnedAttr::new(None));
}
// Snapshot the input as a List<Graphic> so the renderer can recurse into the original child layers
// when collecting metadata, exposing their click targets to editor tools (same mechanism as Boolean Operation).
// The copy is owned before the first await: the input's arena content dies with the spawning evaluation.
let upstream_graphic_list = data.clone().into_graphic_list();
let merged_layers = OwnedAttr::new(Some(&upstream_graphic_list));
let mut render = SvgRender::new();
let aabb = Bbox::from_transform(footprint.transform).to_axis_aligned_bbox();
@@ -264,11 +270,7 @@ where
let rasterized = context.get_image_data(0, 0, resolution.x as i32, resolution.y as i32).unwrap();
let image = Image::from_image_data(&rasterized.data().0, resolution.x as u32, resolution.y as u32);
List::new_from_item(
Item::new_from_element(Raster::new_cpu(image))
.with_attribute(ATTR_TRANSFORM, footprint.transform)
.with_attribute(ATTR_EDITOR_MERGED_LAYERS, Some(upstream_graphic_list)),
)
(Raster::new_cpu(image), Attr(footprint.transform), merged_layers)
}
#[node_macro::node(category(""), inject_scope)]