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/*
* Copyright (C) 2002, 2003 The Karbon Developers
* Copyright (C) 2006 Alexander Kellett <lypanov@kde.org>
* Copyright (C) 2006, 2007 Rob Buis <buis@kde.org>
* Copyright (C) 2007, 2009 Apple Inc. All rights reserved.
* 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 SVGPathParser_h
#define SVGPathParser_h
#include "core/CoreExport.h"
#include "core/svg/SVGPathData.h"
#include "platform/heap/Handle.h"
namespace blink {
class SVGPathConsumer;
namespace SVGPathParser {
template <typename SourceType, typename ConsumerType>
inline bool parsePath(SourceType& source, ConsumerType& consumer) {
while (source.hasMoreData()) {
PathSegmentData segment = source.parseSegment();
if (segment.command == PathSegUnknown)
return false;
consumer.emitSegment(segment);
}
return true;
}
} // namespace SVGPathParser
class SVGPathNormalizer {
STACK_ALLOCATED();
public:
SVGPathNormalizer(SVGPathConsumer* consumer)
: m_consumer(consumer), m_lastCommand(PathSegUnknown) {
ASSERT(m_consumer);
}
void emitSegment(const PathSegmentData&);
private:
bool decomposeArcToCubic(const FloatPoint& currentPoint,
const PathSegmentData&);
SVGPathConsumer* m_consumer;
FloatPoint m_controlPoint;
FloatPoint m_currentPoint;
FloatPoint m_subPathPoint;
SVGPathSegType m_lastCommand;
};
} // namespace blink
#endif // SVGPathParser_h
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