1 /* 2 * Copyright (C) 2006 Alexander Kellett <lypanov (at) kde.org> 3 * Copyright (C) 2006, 2009 Apple Inc. All rights reserved. 4 * Copyright (C) 2007 Rob Buis <buis (at) kde.org> 5 * Copyright (C) 2009 Google, Inc. 6 * Copyright (C) 2010 Patrick Gansterer <paroga (at) 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 #include "core/rendering/svg/RenderSVGModelObject.h" 28 29 namespace WebCore { 30 31 class RenderImageResource; 32 class SVGImageElement; 33 34 class RenderSVGImage FINAL : public RenderSVGModelObject { 35 public: 36 RenderSVGImage(SVGImageElement*); 37 virtual ~RenderSVGImage(); 38 39 bool updateImageViewport(); 40 virtual void setNeedsBoundariesUpdate() { m_needsBoundariesUpdate = true; } 41 virtual bool needsBoundariesUpdate() OVERRIDE { return m_needsBoundariesUpdate; } 42 virtual void setNeedsTransformUpdate() { m_needsTransformUpdate = true; } 43 44 RenderImageResource* imageResource() { return m_imageResource.get(); } 45 const RenderImageResource* imageResource() const { return m_imageResource.get(); } 46 47 // Note: Assumes the PaintInfo context has had all local transforms applied. 48 void paintForeground(PaintInfo&); 49 50 private: 51 virtual const char* renderName() const { return "RenderSVGImage"; } 52 virtual bool isSVGImage() const OVERRIDE { return true; } 53 54 virtual const AffineTransform& localToParentTransform() const { return m_localTransform; } 55 56 virtual FloatRect objectBoundingBox() const { return m_objectBoundingBox; } 57 virtual FloatRect strokeBoundingBox() const { return m_objectBoundingBox; } 58 virtual FloatRect repaintRectInLocalCoordinates() const { return m_repaintBoundingBox; } 59 60 virtual void addFocusRingRects(Vector<IntRect>&, const LayoutPoint& additionalOffset, const RenderLayerModelObject* paintContainer = 0) OVERRIDE; 61 62 virtual void imageChanged(WrappedImagePtr, const IntRect* = 0); 63 64 virtual void layout(); 65 virtual void paint(PaintInfo&, const LayoutPoint&); 66 67 void invalidateBufferedForeground(); 68 69 virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction); 70 71 virtual AffineTransform localTransform() const { return m_localTransform; } 72 void calculateImageViewport(); 73 74 bool m_needsBoundariesUpdate : 1; 75 bool m_needsTransformUpdate : 1; 76 AffineTransform m_localTransform; 77 FloatRect m_objectBoundingBox; 78 FloatRect m_repaintBoundingBox; 79 OwnPtr<RenderImageResource> m_imageResource; 80 81 OwnPtr<ImageBuffer> m_bufferedForeground; 82 }; 83 84 inline RenderSVGImage* toRenderSVGImage(RenderObject* object) 85 { 86 ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isSVGImage()); 87 return static_cast<RenderSVGImage*>(object); 88 } 89 90 inline const RenderSVGImage* toRenderSVGImage(const RenderObject* object) 91 { 92 ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isSVGImage()); 93 return static_cast<const RenderSVGImage*>(object); 94 } 95 96 // This will catch anyone doing an unnecessary cast. 97 void toRenderSVGImage(const RenderSVGImage*); 98 99 } // namespace WebCore 100 101 #endif // RenderSVGImage_h 102