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/*
* Copyright (C) Research In Motion Limited 2010. 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 SVGMarkerLayoutInfo_h
#define SVGMarkerLayoutInfo_h
#if ENABLE(SVG)
#include "AffineTransform.h"
#include "RenderObject.h"
#include "SVGMarkerData.h"
#include <wtf/Noncopyable.h>
namespace WebCore {
class Path;
class RenderSVGResourceMarker;
struct MarkerLayout {
MarkerLayout(RenderSVGResourceMarker* markerObj = 0, AffineTransform matrixObj = AffineTransform())
: marker(markerObj)
, matrix(matrixObj)
{
ASSERT(marker);
}
RenderSVGResourceMarker* marker;
AffineTransform matrix;
};
class SVGMarkerLayoutInfo {
WTF_MAKE_NONCOPYABLE(SVGMarkerLayoutInfo);
public:
SVGMarkerLayoutInfo();
~SVGMarkerLayoutInfo();
FloatRect calculateBoundaries(RenderSVGResourceMarker* startMarker, RenderSVGResourceMarker* midMarker, RenderSVGResourceMarker* endMarker, float strokeWidth, const Path&);
void drawMarkers(PaintInfo&);
// Used by static inline helper functions in SVGMarkerLayoutInfo.cpp
SVGMarkerData& markerData() { return m_markerData; }
RenderSVGResourceMarker* midMarker() const { return m_midMarker; }
int& elementIndex() { return m_elementIndex; }
void addLayoutedMarker(RenderSVGResourceMarker*, const FloatPoint& origin, float angle);
void clear();
private:
RenderSVGResourceMarker* m_midMarker;
// Used while layouting markers
int m_elementIndex;
SVGMarkerData m_markerData;
float m_strokeWidth;
// Holds the final computed result
Vector<MarkerLayout> m_layout;
};
}
#endif
#endif
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