/* | |
Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> | |
2004, 2005, 2007 Rob Buis <buis@kde.org> | |
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 | |
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 RenderSVGViewportContainer_h | |
#define RenderSVGViewportContainer_h | |
#if ENABLE(SVG) | |
#include "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 : public RenderSVGContainer { | |
public: | |
RenderSVGViewportContainer(SVGStyledElement*); | |
// Calculates marker boundaries, mapped to the target element's coordinate space | |
FloatRect markerBoundaries(const AffineTransform& markerTransformation) const; | |
// Generates a transformation matrix usable to render marker content. Handles scaling the marker content | |
// acording to SVGs markerUnits="strokeWidth" concept, when a strokeWidth value != -1 is passed in. | |
AffineTransform markerContentTransformation(const AffineTransform& contentTransformation, const FloatPoint& origin, float strokeWidth = -1) const; | |
private: | |
virtual bool isSVGContainer() const { return true; } | |
virtual const char* renderName() const { return "RenderSVGViewportContainer"; } | |
AffineTransform viewportTransform() const; | |
virtual const AffineTransform& localToParentTransform() const; | |
virtual void calcViewport(); | |
virtual void applyViewportClip(PaintInfo&); | |
virtual bool pointIsInsideViewportClip(const FloatPoint& pointInParent); | |
FloatRect m_viewport; | |
mutable AffineTransform m_localToParentTransform; | |
}; | |
inline RenderSVGViewportContainer* toRenderSVGViewportContainer(RenderObject* object) | |
{ | |
ASSERT(!object || !strcmp(object->renderName(), "RenderSVGViewportContainer")); | |
return static_cast<RenderSVGViewportContainer*>(object); | |
} | |
// This will catch anyone doing an unnecessary cast. | |
void toRenderSVGViewportContainer(const RenderSVGViewportContainer*); | |
} // namespace WebCore | |
#endif // ENABLE(SVG) | |
#endif // RenderSVGViewportContainer_h |