1/* 2 * Copyright (C) 2002, 2003 The Karbon Developers 3 * Copyright (C) 2006 Alexander Kellett <lypanov@kde.org> 4 * Copyright (C) 2006, 2007 Rob Buis <buis@kde.org> 5 * Copyright (C) 2007, 2009 Apple Inc. All rights reserved. 6 * Copyright (C) Research In Motion Limited 2010. All rights reserved. 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public License 19 * along with this library; see the file COPYING.LIB. If not, write to 20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 21 * Boston, MA 02110-1301, USA. 22 */ 23 24#ifndef SVGPathParser_h 25#define SVGPathParser_h 26 27#include "SVGPathConsumer.h" 28#include "SVGPathSeg.h" 29#include <wtf/text/WTFString.h> 30 31namespace WebCore { 32 33class SVGPathSource; 34 35class SVGPathParser { 36 WTF_MAKE_NONCOPYABLE(SVGPathParser); WTF_MAKE_FAST_ALLOCATED; 37public: 38 SVGPathParser(); 39 40 bool parsePathDataFromSource(PathParsingMode, bool checkForInitialMoveTo = true); 41 void setCurrentConsumer(SVGPathConsumer* consumer) { m_consumer = consumer; } 42 void setCurrentSource(SVGPathSource* source) { m_source = source; } 43 void cleanup(); 44 45private: 46 bool decomposeArcToCubic(float, float, float, FloatPoint&, FloatPoint&, bool largeArcFlag, bool sweepFlag); 47 void parseClosePathSegment(); 48 bool parseMoveToSegment(); 49 bool parseLineToSegment(); 50 bool parseLineToHorizontalSegment(); 51 bool parseLineToVerticalSegment(); 52 bool parseCurveToCubicSegment(); 53 bool parseCurveToCubicSmoothSegment(); 54 bool parseCurveToQuadraticSegment(); 55 bool parseCurveToQuadraticSmoothSegment(); 56 bool parseArcToSegment(); 57 58 SVGPathSource* m_source; 59 SVGPathConsumer* m_consumer; 60 PathCoordinateMode m_mode; 61 PathParsingMode m_pathParsingMode; 62 SVGPathSegType m_lastCommand; 63 bool m_closePath; 64 FloatPoint m_controlPoint; 65 FloatPoint m_currentPoint; 66 FloatPoint m_subPathPoint; 67}; 68 69} // namespace WebCore 70 71#endif // SVGPathParser_h 72