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 #if ENABLE(SVG) 28 #include "PlatformString.h" 29 #include "SVGPathConsumer.h" 30 #include "SVGPathSeg.h" 31 #include "SVGPathSource.h" 32 #include <wtf/PassOwnPtr.h> 33 34 namespace WebCore { 35 36 class SVGPathParser { 37 WTF_MAKE_NONCOPYABLE(SVGPathParser); WTF_MAKE_FAST_ALLOCATED; 38 public: 39 SVGPathParser(); 40 41 bool parsePathDataFromSource(PathParsingMode pathParsingMode); setCurrentConsumer(SVGPathConsumer * consumer)42 void setCurrentConsumer(SVGPathConsumer* consumer) { m_consumer = consumer; } setCurrentSource(SVGPathSource * source)43 void setCurrentSource(SVGPathSource* source) { m_source = source; } 44 void cleanup(); 45 46 private: 47 bool decomposeArcToCubic(float, float, float, FloatPoint&, FloatPoint&, bool largeArcFlag, bool sweepFlag); 48 void parseClosePathSegment(); 49 bool parseMoveToSegment(); 50 bool parseLineToSegment(); 51 bool parseLineToHorizontalSegment(); 52 bool parseLineToVerticalSegment(); 53 bool parseCurveToCubicSegment(); 54 bool parseCurveToCubicSmoothSegment(); 55 bool parseCurveToQuadraticSegment(); 56 bool parseCurveToQuadraticSmoothSegment(); 57 bool parseArcToSegment(); 58 59 SVGPathSource* m_source; 60 SVGPathConsumer* m_consumer; 61 PathCoordinateMode m_mode; 62 PathParsingMode m_pathParsingMode; 63 SVGPathSegType m_lastCommand; 64 bool m_closePath; 65 FloatPoint m_controlPoint; 66 FloatPoint m_currentPoint; 67 FloatPoint m_subPathPoint; 68 }; 69 70 } // namespace WebCore 71 72 #endif // ENABLE(SVG) 73 #endif // SVGPathParser_h 74