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Let (Offscreen)RenderingContext implement CanvasContext (#36712)

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this allows us to simplify canvas element/offscreen impl to only call
CanvasContext implementations (no more match statements).

This will help with impl more offscreen canvas contextl.

Testing: WPT and rustc

Signed-off-by: sagudev <16504129+sagudev@users.noreply.github.com>
This commit is contained in:
sagudev 2025-04-30 20:52:57 +02:00 • committed by GitHub
parent 772f0b2df9
commit c3fcefdc32
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5 changed files with 258 additions and 123 deletions
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29
components/script/dom/offscreencanvasrenderingcontext2d.rs
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@ -3,11 +3,10 @@
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use crate::dom::bindings::codegen::GenericBindings::CanvasRenderingContext2DBinding::CanvasRenderingContext2D_Binding::CanvasRenderingContext2DMethods;
use crate::canvas_context::CanvasContext as _;
use crate::canvas_context::CanvasContext;
use crate::dom::bindings::codegen::UnionTypes::HTMLCanvasElementOrOffscreenCanvas;
use canvas_traits::canvas::Canvas2dMsg;
use dom_struct::dom_struct;
use euclid::default::Size2D;
use snapshot::Snapshot;
use crate::dom::bindings::codegen::Bindings::CanvasRenderingContext2DBinding::{
@ -64,21 +63,33 @@ impl OffscreenCanvasRenderingContext2D {
reflect_dom_object(boxed, global, can_gc)
}
pub(crate) fn set_canvas_bitmap_dimensions(&self, size: Size2D<u64>) {
self.context.set_canvas_bitmap_dimensions(size.cast());
}
pub(crate) fn send_canvas_2d_msg(&self, msg: Canvas2dMsg) {
self.context.send_canvas_2d_msg(msg)
}
}
pub(crate) fn origin_is_clean(&self) -> bool {
self.context.origin_is_clean()
impl CanvasContext for OffscreenCanvasRenderingContext2D {
type ID = <CanvasRenderingContext2D as CanvasContext>::ID;
fn context_id(&self) -> Self::ID {
self.context.context_id()
}
pub(crate) fn get_image_data(&self) -> Option<Snapshot> {
fn canvas(&self) -> HTMLCanvasElementOrOffscreenCanvas {
self.context.canvas()
}
fn resize(&self) {
self.context.resize()
}
fn get_image_data(&self) -> Option<Snapshot> {
self.context.get_image_data()
}
fn origin_is_clean(&self) -> bool {
self.context.origin_is_clean()
}
}
impl OffscreenCanvasRenderingContext2DMethods<crate::DomTypeHolder>