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56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
/*
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* Copyright (c) 2023, 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 <LibWeb/SVG/AttributeParser.h>
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#include <LibWeb/SVG/SVGGraphicsElement.h>
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#include <LibWeb/SVG/SVGViewport.h>
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namespace Web::SVG {
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class SVGMaskElement final : public SVGGraphicsElement
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, public SVGViewport {
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WEB_PLATFORM_OBJECT(SVGMaskElement, SVGGraphicsElement);
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GC_DECLARE_ALLOCATOR(SVGMaskElement);
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public:
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virtual ~SVGMaskElement() override;
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virtual Optional<ViewBox> view_box() const override
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{
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// maskContentUnits = objectBoundingBox acts like the mask is sized to the bounding box
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// of the target element, with a viewBox of "0 0 1 1".
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if (mask_content_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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// preserveAspectRatio = none (allow mask to be scaled in both x and y to match target size)
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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& old_value, Optional<String> const& value, Optional<FlyString> const& namespace_) override;
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virtual GC::Ptr<Layout::Node> create_layout_node(GC::Ref<CSS::ComputedProperties>) override;
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CSSPixelRect resolve_masking_area(CSSPixelRect const& mask_target) const;
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MaskContentUnits mask_content_units() const;
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MaskUnits mask_units() const;
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private:
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SVGMaskElement(DOM::Document&, DOM::QualifiedName);
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virtual void initialize(JS::Realm&) override;
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Optional<MaskContentUnits> m_mask_content_units = {};
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Optional<MaskUnits> m_mask_units = {};
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};
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}
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