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.
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.
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.
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.
23 #ifndef RenderSVGViewportContainer_h
24 #define RenderSVGViewportContainer_h
27 #include "RenderSVGContainer.h"
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 {
35 explicit RenderSVGViewportContainer(SVGStyledElement*);
36 FloatRect viewport() const { return m_viewport; }
38 bool isLayoutSizeChanged() const { return m_isLayoutSizeChanged; }
40 virtual void determineIfLayoutSizeChanged();
43 virtual bool isSVGContainer() const { return true; }
44 virtual bool isSVGViewportContainer() const { return true; }
45 virtual const char* renderName() const { return "RenderSVGViewportContainer"; }
47 AffineTransform viewportTransform() const;
48 virtual const AffineTransform& localToParentTransform() const;
50 virtual void calcViewport();
52 virtual void applyViewportClip(PaintInfo&);
53 virtual bool pointIsInsideViewportClip(const FloatPoint& pointInParent);
56 mutable AffineTransform m_localToParentTransform;
57 bool m_isLayoutSizeChanged : 1;
60 inline RenderSVGViewportContainer* toRenderSVGViewportContainer(RenderObject* object)
62 ASSERT(!object || !strcmp(object->renderName(), "RenderSVGViewportContainer"));
63 return static_cast<RenderSVGViewportContainer*>(object);
66 inline const RenderSVGViewportContainer* toRenderSVGViewportContainer(const RenderObject* object)
68 ASSERT(!object || !strcmp(object->renderName(), "RenderSVGViewportContainer"));
69 return static_cast<const RenderSVGViewportContainer*>(object);
72 // This will catch anyone doing an unnecessary cast.
73 void toRenderSVGViewportContainer(const RenderSVGViewportContainer*);
75 } // namespace WebCore
78 #endif // RenderSVGViewportContainer_h