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 #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:
isSVGContainer()38 virtual bool isSVGContainer() const { return true; }
isSVGViewportContainer()39 virtual bool isSVGViewportContainer() const { return true; }
renderName()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
toRenderSVGViewportContainer(RenderObject * object)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