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/*
* Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_GRADIENT_ELEMENT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_GRADIENT_ELEMENT_H_
#include "third_party/blink/renderer/core/inspector/inspector_trace_events.h"
#include "third_party/blink/renderer/core/svg/svg_animated_enumeration.h"
#include "third_party/blink/renderer/core/svg/svg_animated_transform_list.h"
#include "third_party/blink/renderer/core/svg/svg_element.h"
#include "third_party/blink/renderer/core/svg/svg_unit_types.h"
#include "third_party/blink/renderer/core/svg/svg_uri_reference.h"
#include "third_party/blink/renderer/core/svg_names.h"
#include "third_party/blink/renderer/platform/graphics/gradient.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
namespace blink {
struct GradientAttributes;
enum SVGSpreadMethodType {
kSVGSpreadMethodUnknown = 0,
kSVGSpreadMethodPad,
kSVGSpreadMethodReflect,
kSVGSpreadMethodRepeat
};
DECLARE_SVG_ENUM_MAP(SVGSpreadMethodType);
class SVGGradientElement : public SVGElement, public SVGURIReference {
DEFINE_WRAPPERTYPEINFO();
USING_GARBAGE_COLLECTED_MIXIN(SVGGradientElement);
public:
SVGAnimatedTransformList* gradientTransform() const {
return gradient_transform_.Get();
}
SVGAnimatedEnumeration<SVGSpreadMethodType>* spreadMethod() const {
return spread_method_.Get();
}
SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType>* gradientUnits() const {
return gradient_units_.Get();
}
void InvalidateGradient(LayoutInvalidationReasonForTracing);
void InvalidateDependentGradients();
const SVGGradientElement* ReferencedElement() const;
void CollectCommonAttributes(GradientAttributes&) const;
void Trace(blink::Visitor*) override;
protected:
SVGGradientElement(const QualifiedName&, Document&);
using VisitedSet = HeapHashSet<Member<const SVGGradientElement>>;
void SvgAttributeChanged(const QualifiedName&) override;
private:
void CollectStyleForPresentationAttribute(
const QualifiedName&,
const AtomicString&,
MutableCSSPropertyValueSet*) override;
InsertionNotificationRequest InsertedInto(ContainerNode&) final;
void RemovedFrom(ContainerNode&) final;
void ChildrenChanged(const ChildrenChange&) final;
void BuildPendingResource() override;
void ClearResourceReferences();
Vector<Gradient::ColorStop> BuildStops() const;
Member<SVGAnimatedTransformList> gradient_transform_;
Member<SVGAnimatedEnumeration<SVGSpreadMethodType>> spread_method_;
Member<SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType>> gradient_units_;
Member<IdTargetObserver> target_id_observer_;
};
inline bool IsSVGGradientElement(const SVGElement& element) {
return element.HasTagName(svg_names::kRadialGradientTag) ||
element.HasTagName(svg_names::kLinearGradientTag);
}
DEFINE_SVGELEMENT_TYPE_CASTS_WITH_FUNCTION(SVGGradientElement);
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_GRADIENT_ELEMENT_H_
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