| /* |
| * 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); |
| } |
| |
| template <> |
| struct DowncastTraits<SVGGradientElement> { |
| static bool AllowFrom(const Node& node) { |
| auto* svg_element = DynamicTo<SVGElement>(node); |
| return svg_element && IsSVGGradientElement(*svg_element); |
| } |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_GRADIENT_ELEMENT_H_ |