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#include "AffineTransform.h" 28#include "FloatRect.h" 29#include "RenderSVGModelObject.h" 30#include "SVGPreserveAspectRatio.h" 31 32namespace WebCore { 33 34class RenderImageResource; 35class SVGImageElement; 36 37class RenderSVGImage final : public RenderSVGModelObject { 38public: 39 RenderSVGImage(SVGImageElement&, PassRef<RenderStyle>); 40 virtual ~RenderSVGImage(); 41 42 SVGImageElement& imageElement() const; 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; } 50 const RenderImageResource& imageResource() const { return *m_imageResource; } 51 52 // Note: Assumes the PaintInfo context has had all local transforms applied. 53 void paintForeground(PaintInfo&); 54 55private: 56 void element() const = delete; 57 58 virtual const char* renderName() const { return "RenderSVGImage"; } 59 virtual bool isSVGImage() const override { return true; } 60 virtual bool canHaveChildren() const override { return false; } 61 62 virtual const AffineTransform& localToParentTransform() const { return m_localTransform; } 63 64 virtual FloatRect objectBoundingBox() const { return m_objectBoundingBox; } 65 virtual FloatRect strokeBoundingBox() const { return m_objectBoundingBox; } 66 virtual FloatRect repaintRectInLocalCoordinates() const { return m_repaintBoundingBox; } 67 virtual FloatRect repaintRectInLocalCoordinatesExcludingSVGShadow() const override { return m_repaintBoundingBoxExcludingShadow; } 68 69 virtual void addFocusRingRects(Vector<IntRect>&, const LayoutPoint& additionalOffset, const RenderLayerModelObject* paintContainer = 0) override; 70 71 virtual void imageChanged(WrappedImagePtr, const IntRect* = 0); 72 73 virtual void layout(); 74 virtual void paint(PaintInfo&, const LayoutPoint&); 75 76 void invalidateBufferedForeground(); 77 78 virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction); 79 80 virtual AffineTransform localTransform() const { return m_localTransform; } 81 void calculateImageViewport(); 82 83 bool m_needsBoundariesUpdate : 1; 84 bool m_needsTransformUpdate : 1; 85 AffineTransform m_localTransform; 86 FloatRect m_objectBoundingBox; 87 FloatRect m_repaintBoundingBox; 88 FloatRect m_repaintBoundingBoxExcludingShadow; 89 std::unique_ptr<RenderImageResource> m_imageResource; 90 std::unique_ptr<ImageBuffer> m_bufferedForeground; 91}; 92 93RENDER_OBJECT_TYPE_CASTS(RenderSVGImage, isSVGImage()) 94 95} // namespace WebCore 96 97#endif // RenderSVGImage_h 98