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canvas: Implement strokeText (#39183)

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Mostly it's just reusing/copy&edit fillText stuff.

Testing: Existing WPT tests
Fixes: #29973

Try run: https://github.com/sagudev/servo/actions/runs/17511337550

---------

Signed-off-by: sagudev <16504129+sagudev@users.noreply.github.com>
This commit is contained in:
Sam 2025-09-06 20:01:21 +02:00 • committed by GitHub
parent bd3231847e
commit 643ac08cf0
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28 changed files with 300 additions and 64 deletions
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53
components/canvas/canvas_paint_thread.rs
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@ -124,6 +124,25 @@ impl CanvasPaintThread {
transform,
);
},
Canvas2dMsg::StrokeText(
text_bounds,
text_runs,
fill_or_stroke_style,
line_options,
shadow_options,
composition_options,
transform,
) => {
self.canvas(canvas_id).stroke_text(
text_bounds,
text_runs,
fill_or_stroke_style,
line_options,
shadow_options,
composition_options,
transform,
);
},
Canvas2dMsg::FillRect(rect, style, shadow_options, composition_options, transform) => {
self.canvas(canvas_id).fill_rect(
&rect,
@ -311,6 +330,40 @@ impl Canvas {
}
}
fn stroke_text(
&mut self,
text_bounds: Rect<f64>,
text_runs: Vec<TextRun>,
fill_or_stroke_style: FillOrStrokeStyle,
line_options: LineOptions,
shadow_options: ShadowOptions,
composition_options: CompositionOptions,
transform: Transform2D<f64>,
) {
match self {
#[cfg(feature = "vello")]
Canvas::Vello(canvas_data) => canvas_data.stroke_text(
text_bounds,
text_runs,
fill_or_stroke_style,
line_options,
shadow_options,
composition_options,
transform,
),
#[cfg(feature = "vello_cpu")]
Canvas::VelloCPU(canvas_data) => canvas_data.stroke_text(
text_bounds,
text_runs,
fill_or_stroke_style,
line_options,
shadow_options,
composition_options,
transform,
),
}
}
fn fill_text(
&mut self,
text_bounds: Rect<f64>,