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LibWeb+LibGfx: Paint line_cap, line_join for Canvas Strokes

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This commit is contained in:
Mehran Kamal 2025-03-14 22:28:53 +05:00 • committed by Alexander Kalenik
commit bb87de58a0
Notes: github-actions[bot] 2025-03-15 13:03:28 +00:00
7 changed files with 209 additions and 2 deletions
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19
Libraries/LibGfx/PainterSkia.cpp
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@ -207,6 +207,25 @@ void PainterSkia::stroke_path(Gfx::Path const& path, Gfx::PaintStyle const& pain
impl().canvas()->drawPath(sk_path, paint);
}
void PainterSkia::stroke_path(Gfx::Path const& path, Gfx::PaintStyle const& paint_style, ReadonlySpan<Gfx::Filter> filters, float thickness, float global_alpha, Gfx::CompositingAndBlendingOperator compositing_and_blending_operator, Gfx::Path::CapStyle const& cap_style, Gfx::Path::JoinStyle const& join_style)
{
// Skia treats zero thickness as a special case and will draw a hairline, while we want to draw nothing.
if (thickness <= 0)
return;
auto sk_path = to_skia_path(path);
auto paint = to_skia_paint(paint_style, filters);
paint.setAntiAlias(true);
float alpha = paint.getAlphaf();
paint.setAlphaf(alpha * global_alpha);
paint.setStyle(SkPaint::Style::kStroke_Style);
paint.setStrokeWidth(thickness);
paint.setStrokeCap(to_skia_cap(cap_style));
paint.setStrokeJoin(to_skia_join(join_style));
paint.setBlender(to_skia_blender(compositing_and_blending_operator));
impl().canvas()->drawPath(sk_path, paint);
}
void PainterSkia::fill_path(Gfx::Path const& path, Gfx::Color color, Gfx::WindingRule winding_rule)
{
SkPaint paint;