1 /* 2 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann (at) kde.org> 3 * Copyright (C) 2004, 2005, 2007 Rob Buis <buis (at) 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 #if ENABLE(SVG) 27 #include "RenderSVGContainer.h" 28 29 namespace WebCore { 30 31 // This is used for non-root <svg> elements and <marker> elements, neither of which are SVGTransformable 32 // thus we inherit from RenderSVGContainer instead of RenderSVGTransformableContainer 33 class RenderSVGViewportContainer : public RenderSVGContainer { 34 public: 35 explicit RenderSVGViewportContainer(SVGStyledElement*); 36 37 private: 38 virtual bool isSVGContainer() const { return true; } 39 virtual bool isSVGViewportContainer() const { return true; } 40 virtual const char* renderName() const { return "RenderSVGViewportContainer"; } 41 42 AffineTransform viewportTransform() const; 43 virtual const AffineTransform& localToParentTransform() const; 44 45 virtual void calcViewport(); 46 47 virtual void applyViewportClip(PaintInfo&); 48 virtual bool pointIsInsideViewportClip(const FloatPoint& pointInParent); 49 50 FloatRect m_viewport; 51 mutable AffineTransform m_localToParentTransform; 52 }; 53 54 inline RenderSVGViewportContainer* toRenderSVGViewportContainer(RenderObject* object) 55 { 56 ASSERT(!object || !strcmp(object->renderName(), "RenderSVGViewportContainer")); 57 return static_cast<RenderSVGViewportContainer*>(object); 58 } 59 60 // This will catch anyone doing an unnecessary cast. 61 void toRenderSVGViewportContainer(const RenderSVGViewportContainer*); 62 63 } // namespace WebCore 64 65 #endif // ENABLE(SVG) 66 #endif // RenderSVGViewportContainer_h 67