| /* |
| * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org> |
| * Copyright (C) 2009 Google, Inc. |
| * Copyright (C) 2009 Apple Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #ifndef RenderSVGViewportContainer_h |
| #define RenderSVGViewportContainer_h |
| |
| #include "core/rendering/svg/RenderSVGContainer.h" |
| |
| namespace WebCore { |
| |
| // This is used for non-root <svg> elements and <marker> elements, neither of which are SVGTransformable |
| // thus we inherit from RenderSVGContainer instead of RenderSVGTransformableContainer |
| class RenderSVGViewportContainer FINAL : public RenderSVGContainer { |
| public: |
| explicit RenderSVGViewportContainer(SVGElement*); |
| FloatRect viewport() const { return m_viewport; } |
| |
| bool isLayoutSizeChanged() const { return m_isLayoutSizeChanged; } |
| virtual bool didTransformToRootUpdate() { return m_didTransformToRootUpdate; } |
| |
| virtual void determineIfLayoutSizeChanged(); |
| virtual void setNeedsTransformUpdate() { m_needsTransformUpdate = true; } |
| |
| virtual void paint(PaintInfo&, const LayoutPoint&) OVERRIDE; |
| |
| private: |
| virtual bool isSVGViewportContainer() const { return true; } |
| virtual const char* renderName() const { return "RenderSVGViewportContainer"; } |
| |
| AffineTransform viewportTransform() const; |
| virtual const AffineTransform& localToParentTransform() const { return m_localToParentTransform; } |
| |
| virtual void calcViewport(); |
| virtual bool calculateLocalTransform(); |
| |
| virtual void applyViewportClip(PaintInfo&); |
| virtual bool pointIsInsideViewportClip(const FloatPoint& pointInParent); |
| |
| FloatRect m_viewport; |
| mutable AffineTransform m_localToParentTransform; |
| bool m_didTransformToRootUpdate : 1; |
| bool m_isLayoutSizeChanged : 1; |
| bool m_needsTransformUpdate : 1; |
| }; |
| |
| inline RenderSVGViewportContainer* toRenderSVGViewportContainer(RenderObject* object) |
| { |
| ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isSVGViewportContainer()); |
| return static_cast<RenderSVGViewportContainer*>(object); |
| } |
| |
| inline const RenderSVGViewportContainer* toRenderSVGViewportContainer(const RenderObject* object) |
| { |
| ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isSVGViewportContainer()); |
| return static_cast<const RenderSVGViewportContainer*>(object); |
| } |
| |
| // This will catch anyone doing an unnecessary cast. |
| void toRenderSVGViewportContainer(const RenderSVGViewportContainer*); |
| |
| } // namespace WebCore |
| |
| #endif // RenderSVGViewportContainer_h |