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https://github.com/LadybirdBrowser/ladybird
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d4feeb1cad
Reuse existing paintables during relayout to reduce GC allocation pressure. Each paintable subclass implements reset_for_relayout() to clear state before reuse.
57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
/*
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* Copyright (c) 2022, Andreas Kling <andreas@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibGfx/Path.h>
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#include <LibWeb/Export.h>
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#include <LibWeb/Layout/SVGGraphicsBox.h>
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#include <LibWeb/Painting/SVGGraphicsPaintable.h>
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namespace Web::Painting {
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class WEB_API SVGPathPaintable final : public SVGGraphicsPaintable {
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GC_CELL(SVGPathPaintable, SVGGraphicsPaintable);
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GC_DECLARE_ALLOCATOR(SVGPathPaintable);
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public:
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static GC::Ref<SVGPathPaintable> create(Layout::SVGGraphicsBox const&);
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virtual TraversalDecision hit_test(CSSPixelPoint, HitTestType, Function<TraversalDecision(HitTestResult)> const& callback) const override;
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virtual void paint(DisplayListRecordingContext&, PaintPhase) const override;
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SVG::SVGGraphicsElement const& dom_node() const { return as<SVG::SVGGraphicsElement>(*Paintable::dom_node()); }
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void set_computed_path(Gfx::Path path)
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{
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m_computed_path = move(path);
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}
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Optional<Gfx::Path> const& computed_path() const { return m_computed_path; }
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virtual void reset_for_relayout() override;
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protected:
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SVGPathPaintable(Layout::SVGGraphicsBox const&);
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Optional<Gfx::Path> m_computed_path = {};
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private:
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virtual bool is_svg_path_paintable() const final { return true; }
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virtual void resolve_paint_properties() override;
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float m_stroke_thickness { 0 };
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float m_stroke_dashoffset { 0 };
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Vector<float> m_stroke_dasharray;
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};
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template<>
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inline bool Paintable::fast_is<SVGPathPaintable>() const { return is_svg_path_paintable(); }
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}
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