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LibWeb: Treate SVG paintable coordinates as relative to <svg> element
Normally, paintable coordinates are relative to the nearest containing block, but in the SVG case, since <svg> doesn't form a containing block, we have to specialize the computation of SVGPaintable::absolute_rect().
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4 changed files with 26 additions and 6 deletions
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@ -5,6 +5,7 @@
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*/
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#include <LibWeb/Layout/ImageBox.h>
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#include <LibWeb/Layout/SVGSVGBox.h>
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#include <LibWeb/Painting/SVGPaintable.h>
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namespace Web::Painting {
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@ -35,4 +36,15 @@ void SVGPaintable::after_children_paint(PaintContext& context, PaintPhase phase)
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context.svg_context().restore();
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}
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Gfx::FloatRect SVGPaintable::compute_absolute_rect() const
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{
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if (auto* svg_svg_box = layout_box().first_ancestor_of_type<Layout::SVGSVGBox>()) {
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Gfx::FloatRect rect { effective_offset(), content_size() };
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for (Layout::Box const* ancestor = svg_svg_box; ancestor && ancestor->paintable(); ancestor = ancestor->paintable()->containing_block())
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rect.translate_by(ancestor->paint_box()->effective_offset());
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return rect;
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}
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return PaintableBox::compute_absolute_rect();
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}
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}
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