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
26 #include "core/rendering/svg/RenderSVGContainer.h"
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
32 class RenderSVGViewportContainer FINAL : public RenderSVGContainer {
34 explicit RenderSVGViewportContainer(SVGElement*);
35 FloatRect viewport() const { return m_viewport; }
37 bool isLayoutSizeChanged() const { return m_isLayoutSizeChanged; }
38 virtual bool didTransformToRootUpdate() { return m_didTransformToRootUpdate; }
40 virtual void determineIfLayoutSizeChanged();
41 virtual void setNeedsTransformUpdate() { m_needsTransformUpdate = true; }
43 virtual void paint(PaintInfo&, const LayoutPoint&) OVERRIDE;
46 virtual bool isSVGViewportContainer() const { return true; }
47 virtual const char* renderName() const { return "RenderSVGViewportContainer"; }
49 AffineTransform viewportTransform() const;
50 virtual const AffineTransform& localToParentTransform() const { return m_localToParentTransform; }
52 virtual void calcViewport();
53 virtual bool calculateLocalTransform();
55 virtual void applyViewportClip(PaintInfo&);
56 virtual bool pointIsInsideViewportClip(const FloatPoint& pointInParent);
59 mutable AffineTransform m_localToParentTransform;
60 bool m_didTransformToRootUpdate : 1;
61 bool m_isLayoutSizeChanged : 1;
62 bool m_needsTransformUpdate : 1;
65 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderSVGViewportContainer, isSVGViewportContainer());
67 } // namespace WebCore
69 #endif // RenderSVGViewportContainer_h