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Add documentation to many nodes (#3338)
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Keavon Chambers 2025-11-03 15:51:50 -08:00 • committed by GitHub
parent 055d543117
commit 6d669ad734
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13 changed files with 146 additions and 71 deletions
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22
node-graph/gbrush/src/brush.rs
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@ -178,13 +178,23 @@ pub fn blend_with_mode(background: TableRow<Raster<CPU>>, foreground: TableRow<R
}
}
/// Generates the brush strokes painted with the Brush tool as a raster image.
/// If an input image is supplied, strokes are drawn on top of it, expanding bounds as needed.
#[node_macro::node(category("Raster"))]
async fn brush(_: impl Ctx, mut image_frame_table: Table<Raster<CPU>>, strokes: Vec<BrushStroke>, cache: BrushCache) -> Table<Raster<CPU>> {
if image_frame_table.is_empty() {
image_frame_table.push(TableRow::default());
async fn brush(
_: impl Ctx,
/// Optional raster content that may be drawn onto.
mut image: Table<Raster<CPU>>,
/// The list of brush stroke paths drawn by the Brush tool, with each including both its coordinates and styles.
strokes: Vec<BrushStroke>,
/// Internal cache data used to accelerate rendering of the brush content.
cache: BrushCache,
) -> Table<Raster<CPU>> {
if image.is_empty() {
image.push(TableRow::default());
}
// TODO: Find a way to handle more than one row
let table_row = image_frame_table.iter().next().expect("Expected the one row we just pushed").into_cloned();
let table_row = image.iter().next().expect("Expected the one row we just pushed").into_cloned();
let bounds = Table::new_from_row(table_row.clone()).bounding_box(DAffine2::IDENTITY, false);
let [start, end] = if let RenderBoundingBox::Rectangle(rect) = bounds { rect } else { [DVec2::ZERO, DVec2::ZERO] };
@ -296,13 +306,13 @@ async fn brush(_: impl Ctx, mut image_frame_table: Table<Raster<CPU>>, strokes:
actual_image = blend_image_closure(erase_restore_mask, actual_image, |a, b| blend_params.eval((a, b)));
}
let first_row = image_frame_table.iter_mut().next().unwrap();
let first_row = image.iter_mut().next().unwrap();
*first_row.element = actual_image.element;
*first_row.transform = actual_image.transform;
*first_row.alpha_blending = actual_image.alpha_blending;
*first_row.source_node_id = actual_image.source_node_id;
image_frame_table
image
}
pub fn blend_image_closure(foreground: TableRow<Raster<CPU>>, mut background: TableRow<Raster<CPU>>, map_fn: impl Fn(Color, Color) -> Color) -> TableRow<Raster<CPU>> {