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d5aca1c6c4
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().
50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
/*
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* Copyright (c) 2018-2022, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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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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SVGPaintable::SVGPaintable(Layout::SVGBox const& layout_box)
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: PaintableBox(layout_box)
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{
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}
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Layout::SVGBox const& SVGPaintable::layout_box() const
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{
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return static_cast<Layout::SVGBox const&>(layout_node());
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}
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void SVGPaintable::before_children_paint(PaintContext& context, PaintPhase phase) const
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{
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PaintableBox::before_children_paint(context, phase);
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if (phase != PaintPhase::Foreground)
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return;
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context.svg_context().save();
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}
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void SVGPaintable::after_children_paint(PaintContext& context, PaintPhase phase) const
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{
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PaintableBox::after_children_paint(context, phase);
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if (phase != PaintPhase::Foreground)
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return;
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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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