| /* |
| * 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. |
| */ |
| |
| #ifndef RenderSVGResourceFilter_h |
| #define RenderSVGResourceFilter_h |
| |
| #if ENABLE(SVG) |
| #include "core/platform/graphics/FloatRect.h" |
| #include "core/platform/graphics/ImageBuffer.h" |
| #include "core/rendering/svg/RenderSVGResourceContainer.h" |
| #include "core/svg/SVGFilterElement.h" |
| #include "core/svg/SVGUnitTypes.h" |
| #include "core/svg/graphics/filters/SVGFilter.h" |
| #include "core/svg/graphics/filters/SVGFilterBuilder.h" |
| |
| #include <wtf/OwnPtr.h> |
| #include <wtf/PassOwnPtr.h> |
| #include <wtf/RefPtr.h> |
| |
| namespace WebCore { |
| |
| struct FilterData { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| enum FilterDataState { PaintingSource, Applying, Built, CycleDetected, MarkedForRemoval }; |
| |
| FilterData() |
| : savedContext(0) |
| , state(PaintingSource) |
| { |
| } |
| |
| RefPtr<SVGFilter> filter; |
| RefPtr<SVGFilterBuilder> builder; |
| OwnPtr<ImageBuffer> sourceGraphicBuffer; |
| GraphicsContext* savedContext; |
| AffineTransform shearFreeAbsoluteTransform; |
| FloatRect boundaries; |
| FloatRect drawingRegion; |
| FloatSize scale; |
| FilterDataState state; |
| }; |
| |
| class GraphicsContext; |
| |
| class RenderSVGResourceFilter FINAL : public RenderSVGResourceContainer { |
| public: |
| RenderSVGResourceFilter(SVGFilterElement*); |
| virtual ~RenderSVGResourceFilter(); |
| |
| virtual const char* renderName() const { return "RenderSVGResourceFilter"; } |
| virtual bool isSVGResourceFilter() const OVERRIDE { return true; } |
| |
| virtual void removeAllClientsFromCache(bool markForInvalidation = true); |
| virtual void removeClientFromCache(RenderObject*, bool markForInvalidation = true); |
| |
| virtual bool applyResource(RenderObject*, RenderStyle*, GraphicsContext*&, unsigned short resourceMode); |
| virtual void postApplyResource(RenderObject*, GraphicsContext*&, unsigned short resourceMode, const Path*, const RenderSVGShape*); |
| |
| virtual FloatRect resourceBoundingBox(RenderObject*); |
| |
| PassRefPtr<SVGFilterBuilder> buildPrimitives(SVGFilter*); |
| |
| SVGUnitTypes::SVGUnitType filterUnits() const { return static_cast<SVGFilterElement*>(node())->filterUnits(); } |
| SVGUnitTypes::SVGUnitType primitiveUnits() const { return static_cast<SVGFilterElement*>(node())->primitiveUnits(); } |
| |
| void primitiveAttributeChanged(RenderObject*, const QualifiedName&); |
| |
| virtual RenderSVGResourceType resourceType() const { return s_resourceType; } |
| static RenderSVGResourceType s_resourceType; |
| |
| FloatRect drawingRegion(RenderObject*) const; |
| private: |
| bool fitsInMaximumImageSize(const FloatSize&, FloatSize&); |
| |
| HashMap<RenderObject*, FilterData*> m_filter; |
| }; |
| |
| inline RenderSVGResourceFilter* toRenderSVGFilter(RenderObject* object) |
| { |
| ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isSVGResourceFilter()); |
| return static_cast<RenderSVGResourceFilter*>(object); |
| } |
| |
| } |
| |
| #endif |
| #endif |