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LibWeb: Use (transformed) path bounding quad for SVG path hit testing
This is needed for hit testing the directional arrows on the Street View office tour, and generally makes SVG hit testing more precise. Note: The rough bounding box is hit test first, so this should not be a load more overhead.
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2 changed files with 15 additions and 0 deletions
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@ -27,6 +27,19 @@ Layout::SVGGeometryBox const& SVGGeometryPaintable::layout_box() const
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return static_cast<Layout::SVGGeometryBox const&>(layout_node());
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}
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Optional<HitTestResult> SVGGeometryPaintable::hit_test(CSSPixelPoint position, HitTestType type) const
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{
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auto result = SVGGraphicsPaintable::hit_test(position, type);
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if (!result.has_value())
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return {};
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auto& geometry_element = layout_box().dom_node();
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auto transformed_bounding_box = layout_box().layout_transform().map_to_quad(
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const_cast<SVG::SVGGeometryElement&>(geometry_element).get_path().bounding_box());
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if (!transformed_bounding_box.contains(position.to_type<float>()))
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return {};
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return result;
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}
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void SVGGeometryPaintable::paint(PaintContext& context, PaintPhase phase) const
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{
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if (!is_visible())
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