2e0297d703
Since SVG gradients can reference each other, we have to keep track of visited gradients when traversing the link chain, or we will recurse infinitely when there's a reference cycle.
70 lines
2.6 KiB
C++
70 lines
2.6 KiB
C++
/*
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* Copyright (c) 2023, MacDue <macdue@dueutil.tech>
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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/SVGAnimatedLength.h>
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#include <LibWeb/SVG/SVGGradientElement.h>
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namespace Web::SVG {
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class SVGRadialGradientElement : public SVGGradientElement {
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WEB_PLATFORM_OBJECT(SVGRadialGradientElement, SVGGradientElement);
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JS_DECLARE_ALLOCATOR(SVGRadialGradientElement);
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public:
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virtual ~SVGRadialGradientElement() override = default;
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virtual void attribute_changed(FlyString const& name, Optional<String> const& value) override;
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virtual Optional<Gfx::PaintStyle const&> to_gfx_paint_style(SVGPaintContext const&) const override;
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JS::NonnullGCPtr<SVGAnimatedLength> cx() const;
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JS::NonnullGCPtr<SVGAnimatedLength> cy() const;
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JS::NonnullGCPtr<SVGAnimatedLength> fx() const;
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JS::NonnullGCPtr<SVGAnimatedLength> fy() const;
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JS::NonnullGCPtr<SVGAnimatedLength> fr() const;
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JS::NonnullGCPtr<SVGAnimatedLength> r() const;
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protected:
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SVGRadialGradientElement(DOM::Document&, DOM::QualifiedName);
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virtual void initialize(JS::Realm&) override;
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private:
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JS::GCPtr<SVGRadialGradientElement const> linked_radial_gradient(HashTable<SVGGradientElement const*>& seen_gradients) const
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{
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if (auto gradient = linked_gradient(seen_gradients); gradient && is<SVGRadialGradientElement>(*gradient))
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return &verify_cast<SVGRadialGradientElement>(*gradient);
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return {};
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}
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NumberPercentage start_circle_x() const;
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NumberPercentage start_circle_y() const;
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NumberPercentage start_circle_radius() const;
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NumberPercentage end_circle_x() const;
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NumberPercentage end_circle_y() const;
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NumberPercentage end_circle_radius() const;
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NumberPercentage start_circle_x_impl(HashTable<SVGGradientElement const*>& seen_gradients) const;
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NumberPercentage start_circle_y_impl(HashTable<SVGGradientElement const*>& seen_gradients) const;
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NumberPercentage start_circle_radius_impl(HashTable<SVGGradientElement const*>& seen_gradients) const;
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NumberPercentage end_circle_x_impl(HashTable<SVGGradientElement const*>& seen_gradients) const;
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NumberPercentage end_circle_y_impl(HashTable<SVGGradientElement const*>& seen_gradients) const;
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NumberPercentage end_circle_radius_impl(HashTable<SVGGradientElement const*>& seen_gradients) const;
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Optional<NumberPercentage> m_cx;
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Optional<NumberPercentage> m_cy;
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Optional<NumberPercentage> m_fx;
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Optional<NumberPercentage> m_fy;
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Optional<NumberPercentage> m_fr;
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Optional<NumberPercentage> m_r;
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mutable RefPtr<Gfx::SVGRadialGradientPaintStyle> m_paint_style;
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};
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}
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