105 lines
4.6 KiB
C++
105 lines
4.6 KiB
C++
/*
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* Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
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* Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
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* Copyright (C) 2018-2019 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include "RenderSVGResourceFilter.h"
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#include "RenderSVGResourceFilterPrimitive.h"
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#include "SVGElement.h"
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#include "SVGNames.h"
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#include <wtf/RefPtr.h>
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namespace WebCore {
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class Filter;
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class FilterEffect;
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class SVGFilterBuilder;
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class SVGFilterPrimitiveStandardAttributes : public SVGElement {
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WTF_MAKE_ISO_ALLOCATED(SVGFilterPrimitiveStandardAttributes);
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public:
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void setStandardAttributes(FilterEffect*) const;
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virtual RefPtr<FilterEffect> build(SVGFilterBuilder*, Filter&) const = 0;
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// Returns true, if the new value is different from the old one.
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virtual bool setFilterEffectAttribute(FilterEffect*, const QualifiedName&);
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using PropertyRegistry = SVGPropertyOwnerRegistry<SVGFilterPrimitiveStandardAttributes, SVGElement>;
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const SVGLengthValue& x() const { return m_x->currentValue(); }
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const SVGLengthValue& y() const { return m_y->currentValue(); }
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const SVGLengthValue& width() const { return m_width->currentValue(); }
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const SVGLengthValue& height() const { return m_height->currentValue(); }
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String result() const { return m_result->currentValue(); }
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SVGAnimatedLength& xAnimated() { return m_x; }
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SVGAnimatedLength& yAnimated() { return m_y; }
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SVGAnimatedLength& widthAnimated() { return m_width; }
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SVGAnimatedLength& heightAnimated() { return m_height; }
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SVGAnimatedString& resultAnimated() { return m_result; }
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protected:
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SVGFilterPrimitiveStandardAttributes(const QualifiedName&, Document&);
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void parseAttribute(const QualifiedName&, const AtomString&) override;
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void svgAttributeChanged(const QualifiedName&) override;
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void childrenChanged(const ChildChange&) override;
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void invalidate();
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void primitiveAttributeChanged(const QualifiedName& attributeName);
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private:
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bool isFilterEffect() const override { return true; }
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RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) override;
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bool rendererIsNeeded(const RenderStyle&) override;
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bool childShouldCreateRenderer(const Node&) const override { return false; }
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// Spec: If the x/y attribute is not specified, the effect is as if a value of "0%" were specified.
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// Spec: If the width/height attribute is not specified, the effect is as if a value of "100%" were specified.
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Ref<SVGAnimatedLength> m_x { SVGAnimatedLength::create(this, SVGLengthMode::Width, "0%") };
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Ref<SVGAnimatedLength> m_y { SVGAnimatedLength::create(this, SVGLengthMode::Height, "0%") };
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Ref<SVGAnimatedLength> m_width { SVGAnimatedLength::create(this, SVGLengthMode::Width, "100%") };
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Ref<SVGAnimatedLength> m_height { SVGAnimatedLength::create(this, SVGLengthMode::Height, "100%") };
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Ref<SVGAnimatedString> m_result { SVGAnimatedString::create(this) };
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};
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void invalidateFilterPrimitiveParent(SVGElement*);
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inline void SVGFilterPrimitiveStandardAttributes::invalidate()
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{
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if (auto* primitiveRenderer = renderer())
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RenderSVGResource::markForLayoutAndParentResourceInvalidation(*primitiveRenderer);
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}
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inline void SVGFilterPrimitiveStandardAttributes::primitiveAttributeChanged(const QualifiedName& attribute)
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{
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if (auto* primitiveRenderer = renderer())
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static_cast<RenderSVGResourceFilterPrimitive*>(primitiveRenderer)->primitiveAttributeChanged(attribute);
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}
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} // namespace WebCore
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SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::SVGFilterPrimitiveStandardAttributes)
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static bool isType(const WebCore::SVGElement& element) { return element.isFilterEffect(); }
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static bool isType(const WebCore::Node& node) { return is<WebCore::SVGElement>(node) && isType(downcast<WebCore::SVGElement>(node)); }
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SPECIALIZE_TYPE_TRAITS_END()
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