1/* 2 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> 3 * Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org> 4 * Copyright (C) 2009 Google, Inc. 5 * Copyright (C) 2009 Apple Inc. All rights reserved. 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public License 18 * along with this library; see the file COPYING.LIB. If not, write to 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 */ 22 23#ifndef RenderSVGViewportContainer_h 24#define RenderSVGViewportContainer_h 25 26#include "RenderSVGContainer.h" 27 28namespace WebCore { 29 30// This is used for non-root <svg> elements and <marker> elements, neither of which are SVGTransformable 31// thus we inherit from RenderSVGContainer instead of RenderSVGTransformableContainer 32class RenderSVGViewportContainer final : public RenderSVGContainer { 33public: 34 RenderSVGViewportContainer(SVGSVGElement&, PassRef<RenderStyle>); 35 36 SVGSVGElement& svgSVGElement() const; 37 38 FloatRect viewport() const { return m_viewport; } 39 40 bool isLayoutSizeChanged() const { return m_isLayoutSizeChanged; } 41 virtual bool didTransformToRootUpdate() { return m_didTransformToRootUpdate; } 42 43 virtual void determineIfLayoutSizeChanged(); 44 virtual void setNeedsTransformUpdate() { m_needsTransformUpdate = true; } 45 46 virtual void paint(PaintInfo&, const LayoutPoint&) override; 47 48private: 49 void element() const = delete; 50 51 virtual bool isSVGViewportContainer() const { return true; } 52 virtual const char* renderName() const { return "RenderSVGViewportContainer"; } 53 54 AffineTransform viewportTransform() const; 55 virtual const AffineTransform& localToParentTransform() const { return m_localToParentTransform; } 56 57 virtual void calcViewport(); 58 virtual bool calculateLocalTransform(); 59 60 virtual void applyViewportClip(PaintInfo&); 61 virtual bool pointIsInsideViewportClip(const FloatPoint& pointInParent); 62 63 FloatRect m_viewport; 64 mutable AffineTransform m_localToParentTransform; 65 bool m_didTransformToRootUpdate : 1; 66 bool m_isLayoutSizeChanged : 1; 67 bool m_needsTransformUpdate : 1; 68}; 69 70RENDER_OBJECT_TYPE_CASTS(RenderSVGViewportContainer, isSVGViewportContainer()) 71 72} // namespace WebCore 73 74#endif // RenderSVGViewportContainer_h 75