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canvas: Implement line dash setters and getters (#36257)

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Implement `setLineDash`, `getLineDash`, and `lineDashOffset` from
`CanvasPathDrawingStyles` mixin, according to the spec
https://html.spec.whatwg.org/multipage/canvas.html#canvaspathdrawingstyles.

Testing: Existing WPT.

---------

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>
This commit is contained in:
Steven Novaryo 2025-04-01 19:22:00 +08:00 • committed by GitHub
parent bc6926d1fe
commit a77592e281
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21 changed files with 144 additions and 92 deletions
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20
components/script/dom/canvasrenderingcontext2d.rs
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@ -642,6 +642,26 @@ impl CanvasRenderingContext2DMethods<crate::DomTypeHolder> for CanvasRenderingCo
self.canvas_state.set_miter_limit(limit)
}
/// <https://html.spec.whatwg.org/multipage/#dom-context-2d-setlinedash>
fn SetLineDash(&self, segments: Vec<f64>) {
self.canvas_state.set_line_dash(segments);
}
/// <https://html.spec.whatwg.org/multipage/#dom-context-2d-getlinedash>
fn GetLineDash(&self) -> Vec<f64> {
self.canvas_state.line_dash()
}
/// <https://html.spec.whatwg.org/multipage/#dom-context-2d-linedashoffset>
fn LineDashOffset(&self) -> f64 {
self.canvas_state.line_dash_offset()
}
/// <https://html.spec.whatwg.org/multipage/#dom-context-2d-linedashoffset>
fn SetLineDashOffset(&self, offset: f64) {
self.canvas_state.set_line_dash_offset(offset);
}
// https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowoffsetx
fn ShadowOffsetX(&self) -> f64 {
self.canvas_state.shadow_offset_x()