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/*
Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
2004, 2005, 2007 Rob Buis <buis@kde.org>
Copyright (C) 2009 Google, Inc. All rights reserved.
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
aint 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 RenderSVGRoot_h
#define RenderSVGRoot_h
#if ENABLE(SVG)
#include "RenderBox.h"
#include "FloatRect.h"
#include "SVGRenderSupport.h"
namespace WebCore {
class SVGStyledElement;
class AffineTransform;
class RenderSVGRoot : public RenderBox {
public:
RenderSVGRoot(SVGStyledElement*);
const RenderObjectChildList* children() const { return &m_children; }
RenderObjectChildList* children() { return &m_children; }
bool isLayoutSizeChanged() const { return m_isLayoutSizeChanged; }
virtual void setNeedsBoundariesUpdate() { m_needsBoundariesOrTransformUpdate = true; }
virtual void setNeedsTransformUpdate() { m_needsBoundariesOrTransformUpdate = true; }
private:
virtual RenderObjectChildList* virtualChildren() { return children(); }
virtual const RenderObjectChildList* virtualChildren() const { return children(); }
virtual bool isSVGRoot() const { return true; }
virtual const char* renderName() const { return "RenderSVGRoot"; }
virtual int lineHeight(bool b, bool isRootLineBox = false) const;
virtual int baselinePosition(bool b, bool isRootLineBox = false) const;
virtual void computePreferredLogicalWidths();
virtual int computeReplacedWidth(bool includeMaxWidth = true) const;
virtual int computeReplacedHeight() const;
virtual void layout();
virtual void paint(PaintInfo&, int parentX, int parentY);
virtual void destroy();
virtual void styleWillChange(StyleDifference, const RenderStyle* newStyle);
virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
virtual void updateFromElement();
virtual const AffineTransform& localToParentTransform() const;
bool fillContains(const FloatPoint&) const;
bool strokeContains(const FloatPoint&) const;
virtual FloatRect objectBoundingBox() const { return m_objectBoundingBox; }
virtual FloatRect strokeBoundingBox() const { return m_strokeBoundingBox; }
virtual FloatRect repaintRectInLocalCoordinates() const { return m_repaintBoundingBox; }
virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction);
virtual IntRect clippedOverflowRectForRepaint(RenderBoxModelObject* repaintContainer);
virtual void computeRectForRepaint(RenderBoxModelObject* repaintContainer, IntRect& repaintRect, bool fixed);
virtual void mapLocalToContainer(RenderBoxModelObject* repaintContainer, bool useTransforms, bool fixed, TransformState&) const;
void calcViewport();
bool selfWillPaint();
void updateCachedBoundaries();
IntSize parentOriginToBorderBox() const;
IntSize borderOriginToContentBox() const;
AffineTransform localToRepaintContainerTransform(const IntPoint& parentOriginInContainer) const;
AffineTransform localToBorderBoxTransform() const;
RenderObjectChildList m_children;
FloatSize m_viewportSize;
FloatRect m_objectBoundingBox;
FloatRect m_strokeBoundingBox;
FloatRect m_repaintBoundingBox;
mutable AffineTransform m_localToParentTransform;
bool m_isLayoutSizeChanged : 1;
bool m_needsBoundariesOrTransformUpdate : 1;
};
inline RenderSVGRoot* toRenderSVGRoot(RenderObject* object)
{
ASSERT(!object || object->isSVGRoot());
return static_cast<RenderSVGRoot*>(object);
}
inline const RenderSVGRoot* toRenderSVGRoot(const RenderObject* object)
{
ASSERT(!object || object->isSVGRoot());
return static_cast<const RenderSVGRoot*>(object);
}
// This will catch anyone doing an unnecessary cast.
void toRenderSVGRoot(const RenderSVGRoot*);
} // namespace WebCore
#endif // ENABLE(SVG)
#endif // RenderSVGRoot_h
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