1/* 2 * Copyright (C) 2006 Alexander Kellett <lypanov@kde.org> 3 * Copyright (C) 2006, 2009 Apple Inc. All rights reserved. 4 * Copyright (C) 2007 Rob Buis <buis@kde.org> 5 * Copyright (C) 2009 Google, Inc. 6 * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com> 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public License 19 * along with this library; see the file COPYING.LIB. If not, write to 20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 21 * Boston, MA 02110-1301, USA. 22 */ 23 24#ifndef RenderSVGImage_h 25#define RenderSVGImage_h 26 27#if ENABLE(SVG) 28#include "AffineTransform.h" 29#include "FloatRect.h" 30#include "RenderSVGModelObject.h" 31#include "SVGPreserveAspectRatio.h" 32#include "SVGRenderSupport.h" 33 34namespace WebCore { 35 36class RenderImageResource; 37class SVGImageElement; 38 39class RenderSVGImage : public RenderSVGModelObject { 40public: 41 RenderSVGImage(SVGImageElement*); 42 virtual ~RenderSVGImage(); 43 44 bool updateImageViewport(); 45 virtual void setNeedsBoundariesUpdate() { m_needsBoundariesUpdate = true; } 46 virtual bool needsBoundariesUpdate() OVERRIDE { return m_needsBoundariesUpdate; } 47 virtual void setNeedsTransformUpdate() { m_needsTransformUpdate = true; } 48 49 RenderImageResource* imageResource() { return m_imageResource.get(); } 50 const RenderImageResource* imageResource() const { return m_imageResource.get(); } 51 52 // Note: Assumes the PaintInfo context has had all local transforms applied. 53 void paintForeground(PaintInfo&); 54 55private: 56 virtual const char* renderName() const { return "RenderSVGImage"; } 57 virtual bool isSVGImage() const OVERRIDE { return true; } 58 59 virtual const AffineTransform& localToParentTransform() const { return m_localTransform; } 60 61 virtual FloatRect objectBoundingBox() const { return m_objectBoundingBox; } 62 virtual FloatRect strokeBoundingBox() const { return m_objectBoundingBox; } 63 virtual FloatRect repaintRectInLocalCoordinates() const { return m_repaintBoundingBox; } 64 virtual FloatRect repaintRectInLocalCoordinatesExcludingSVGShadow() const OVERRIDE { return m_repaintBoundingBoxExcludingShadow; } 65 66 virtual void addFocusRingRects(Vector<IntRect>&, const LayoutPoint&); 67 68 virtual void imageChanged(WrappedImagePtr, const IntRect* = 0); 69 70 virtual void layout(); 71 virtual void paint(PaintInfo&, const LayoutPoint&); 72 73 void invalidateBufferedForeground(); 74 75 virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction); 76 77 virtual AffineTransform localTransform() const { return m_localTransform; } 78 void calculateImageViewport(); 79 80 bool m_needsBoundariesUpdate : 1; 81 bool m_needsTransformUpdate : 1; 82 AffineTransform m_localTransform; 83 FloatRect m_objectBoundingBox; 84 FloatRect m_repaintBoundingBox; 85 FloatRect m_repaintBoundingBoxExcludingShadow; 86 OwnPtr<RenderImageResource> m_imageResource; 87 88 OwnPtr<ImageBuffer> m_bufferedForeground; 89}; 90 91inline RenderSVGImage* toRenderSVGImage(RenderObject* object) 92{ 93 ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isSVGImage()); 94 return static_cast<RenderSVGImage*>(object); 95} 96 97inline const RenderSVGImage* toRenderSVGImage(const RenderObject* object) 98{ 99 ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isSVGImage()); 100 return static_cast<const RenderSVGImage*>(object); 101} 102 103// This will catch anyone doing an unnecessary cast. 104void toRenderSVGImage(const RenderSVGImage*); 105 106} // namespace WebCore 107 108#endif // ENABLE(SVG) 109#endif // RenderSVGImage_h 110