| /* |
| * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org> |
| * Copyright (C) 2005 Eric Seidel <eric@webkit.org> |
| * Copyright (C) 2009 Dirk Schulze <krit@webkit.org> |
| * Copyright (C) Research In Motion Limited 2010. 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 "ImageBuffer.h" |
| #include "RenderSVGResourceContainer.h" |
| #include "SVGFilter.h" |
| #include "SVGFilterBuilder.h" |
| #include "SVGFilterElement.h" |
| #include "SVGUnitTypes.h" |
| #include <wtf/IsoMalloc.h> |
| #include <wtf/RefPtr.h> |
| |
| namespace WebCore { |
| |
| struct FilterData { |
| WTF_MAKE_ISO_ALLOCATED(FilterData); |
| WTF_MAKE_NONCOPYABLE(FilterData); |
| public: |
| enum FilterDataState { PaintingSource, Applying, Built, CycleDetected, MarkedForRemoval }; |
| |
| FilterData() = default; |
| |
| RefPtr<SVGFilter> filter; |
| std::unique_ptr<SVGFilterBuilder> builder; |
| std::unique_ptr<ImageBuffer> sourceGraphicBuffer; |
| GraphicsContext* savedContext { nullptr }; |
| AffineTransform shearFreeAbsoluteTransform; |
| FloatRect boundaries; |
| FloatRect drawingRegion; |
| FloatSize scale; |
| FilterDataState state { PaintingSource }; |
| }; |
| |
| class GraphicsContext; |
| |
| class RenderSVGResourceFilter final : public RenderSVGResourceContainer { |
| WTF_MAKE_ISO_ALLOCATED(RenderSVGResourceFilter); |
| public: |
| RenderSVGResourceFilter(SVGFilterElement&, RenderStyle&&); |
| virtual ~RenderSVGResourceFilter(); |
| |
| SVGFilterElement& filterElement() const { return downcast<SVGFilterElement>(RenderSVGResourceContainer::element()); } |
| |
| void removeAllClientsFromCache(bool markForInvalidation = true) override; |
| void removeClientFromCache(RenderElement&, bool markForInvalidation = true) override; |
| |
| bool applyResource(RenderElement&, const RenderStyle&, GraphicsContext*&, OptionSet<RenderSVGResourceMode>) override; |
| void postApplyResource(RenderElement&, GraphicsContext*&, OptionSet<RenderSVGResourceMode>, const Path*, const RenderSVGShape*) override; |
| |
| FloatRect resourceBoundingBox(const RenderObject&) override; |
| |
| std::unique_ptr<SVGFilterBuilder> buildPrimitives(SVGFilter&) const; |
| |
| SVGUnitTypes::SVGUnitType filterUnits() const { return filterElement().filterUnits(); } |
| SVGUnitTypes::SVGUnitType primitiveUnits() const { return filterElement().primitiveUnits(); } |
| |
| void primitiveAttributeChanged(RenderObject*, const QualifiedName&); |
| |
| RenderSVGResourceType resourceType() const override { return FilterResourceType; } |
| |
| FloatRect drawingRegion(RenderObject*) const; |
| private: |
| void element() const = delete; |
| |
| const char* renderName() const override { return "RenderSVGResourceFilter"; } |
| bool isSVGResourceFilter() const override { return true; } |
| |
| HashMap<RenderObject*, std::unique_ptr<FilterData>> m_rendererFilterDataMap; |
| }; |
| |
| WTF::TextStream& operator<<(WTF::TextStream&, FilterData::FilterDataState); |
| |
| } // namespace WebCore |
| |
| SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::RenderSVGResourceFilter) |
| static bool isType(const WebCore::RenderObject& renderer) { return renderer.isSVGResourceFilter(); } |
| static bool isType(const WebCore::RenderSVGResource& resource) { return resource.resourceType() == WebCore::FilterResourceType; } |
| SPECIALIZE_TYPE_TRAITS_END() |