| /* |
| * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org> |
| * Copyright (C) 2018-2019 Apple Inc. All rights reserved. |
| * |
| * 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. |
| */ |
| |
| #pragma once |
| |
| #include "RenderSVGResourceFilter.h" |
| #include "RenderSVGResourceFilterPrimitive.h" |
| #include "SVGElement.h" |
| #include "SVGNames.h" |
| #include <wtf/RefPtr.h> |
| |
| namespace WebCore { |
| |
| class Filter; |
| class FilterEffect; |
| class SVGFilterBuilder; |
| |
| class SVGFilterPrimitiveStandardAttributes : public SVGElement { |
| WTF_MAKE_ISO_ALLOCATED(SVGFilterPrimitiveStandardAttributes); |
| public: |
| void setStandardAttributes(FilterEffect*) const; |
| |
| virtual RefPtr<FilterEffect> build(SVGFilterBuilder*, Filter&) const = 0; |
| // Returns true, if the new value is different from the old one. |
| virtual bool setFilterEffectAttribute(FilterEffect*, const QualifiedName&); |
| |
| using PropertyRegistry = SVGPropertyOwnerRegistry<SVGFilterPrimitiveStandardAttributes, SVGElement>; |
| |
| const SVGLengthValue& x() const { return m_x->currentValue(); } |
| const SVGLengthValue& y() const { return m_y->currentValue(); } |
| const SVGLengthValue& width() const { return m_width->currentValue(); } |
| const SVGLengthValue& height() const { return m_height->currentValue(); } |
| String result() const { return m_result->currentValue(); } |
| |
| SVGAnimatedLength& xAnimated() { return m_x; } |
| SVGAnimatedLength& yAnimated() { return m_y; } |
| SVGAnimatedLength& widthAnimated() { return m_width; } |
| SVGAnimatedLength& heightAnimated() { return m_height; } |
| SVGAnimatedString& resultAnimated() { return m_result; } |
| |
| protected: |
| SVGFilterPrimitiveStandardAttributes(const QualifiedName&, Document&); |
| |
| void parseAttribute(const QualifiedName&, const AtomString&) override; |
| void svgAttributeChanged(const QualifiedName&) override; |
| void childrenChanged(const ChildChange&) override; |
| |
| void invalidate(); |
| void primitiveAttributeChanged(const QualifiedName& attributeName); |
| |
| private: |
| bool isFilterEffect() const override { return true; } |
| |
| RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) override; |
| bool rendererIsNeeded(const RenderStyle&) override; |
| bool childShouldCreateRenderer(const Node&) const override { return false; } |
| |
| // Spec: If the x/y attribute is not specified, the effect is as if a value of "0%" were specified. |
| // Spec: If the width/height attribute is not specified, the effect is as if a value of "100%" were specified. |
| Ref<SVGAnimatedLength> m_x { SVGAnimatedLength::create(this, SVGLengthMode::Width, "0%") }; |
| Ref<SVGAnimatedLength> m_y { SVGAnimatedLength::create(this, SVGLengthMode::Height, "0%") }; |
| Ref<SVGAnimatedLength> m_width { SVGAnimatedLength::create(this, SVGLengthMode::Width, "100%") }; |
| Ref<SVGAnimatedLength> m_height { SVGAnimatedLength::create(this, SVGLengthMode::Height, "100%") }; |
| Ref<SVGAnimatedString> m_result { SVGAnimatedString::create(this) }; |
| }; |
| |
| void invalidateFilterPrimitiveParent(SVGElement*); |
| |
| inline void SVGFilterPrimitiveStandardAttributes::invalidate() |
| { |
| if (auto* primitiveRenderer = renderer()) |
| RenderSVGResource::markForLayoutAndParentResourceInvalidation(*primitiveRenderer); |
| } |
| |
| inline void SVGFilterPrimitiveStandardAttributes::primitiveAttributeChanged(const QualifiedName& attribute) |
| { |
| if (auto* primitiveRenderer = renderer()) |
| static_cast<RenderSVGResourceFilterPrimitive*>(primitiveRenderer)->primitiveAttributeChanged(attribute); |
| } |
| |
| } // namespace WebCore |
| |
| SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::SVGFilterPrimitiveStandardAttributes) |
| static bool isType(const WebCore::SVGElement& element) { return element.isFilterEffect(); } |
| static bool isType(const WebCore::Node& node) { return is<WebCore::SVGElement>(node) && isType(downcast<WebCore::SVGElement>(node)); } |
| SPECIALIZE_TYPE_TRAITS_END() |