
This uses the same trick as done for masks in #23554. Each use of an SVG `<clipPath>` becomes it's own layout subtree rooted at it's user. This allows each use have it's own layout (which allows supporting features such as `clipPathUnits`).
52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
/*
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* Copyright (c) 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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#pragma once
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#include <LibWeb/SVG/AttributeParser.h>
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#include <LibWeb/SVG/SVGElement.h>
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#include <LibWeb/SVG/SVGViewport.h>
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namespace Web::SVG {
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class SVGClipPathElement final : public SVGElement
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, public SVGViewport {
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WEB_PLATFORM_OBJECT(SVGClipPathElement, SVGElement);
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JS_DECLARE_ALLOCATOR(SVGClipPathElement);
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public:
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virtual ~SVGClipPathElement();
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virtual Optional<ViewBox> view_box() const override
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{
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// Same trick as SVGMaskElement.
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if (clip_path_units() == MaskContentUnits::ObjectBoundingBox)
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return ViewBox { 0, 0, 1, 1 };
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return {};
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}
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virtual Optional<PreserveAspectRatio> preserve_aspect_ratio() const override
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{
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return PreserveAspectRatio { PreserveAspectRatio::Align::None, {} };
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}
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virtual void attribute_changed(FlyString const& name, Optional<String> const& value) override;
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ClipPathUnits clip_path_units() const
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{
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return m_clip_path_units.value_or(ClipPathUnits::UserSpaceOnUse);
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}
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virtual JS::GCPtr<Layout::Node> create_layout_node(NonnullRefPtr<CSS::StyleProperties>) override;
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private:
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SVGClipPathElement(DOM::Document&, DOM::QualifiedName);
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virtual void initialize(JS::Realm&) override;
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Optional<ClipPathUnits> m_clip_path_units = {};
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};
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}
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