Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame^] | 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 "core/svg/SVGPathConsumer.h" |
| 29 | #include "core/svg/SVGPathSeg.h" |
| 30 | #include "core/svg/SVGPathSource.h" |
| 31 | #include <wtf/PassOwnPtr.h> |
| 32 | #include <wtf/text/WTFString.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, bool checkForInitialMoveTo = true); |
| 42 | void setCurrentConsumer(SVGPathConsumer* consumer) { m_consumer = consumer; } |
| 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 |