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, 2015 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#pragma once
25
26#include "SVGPathConsumer.h"
27#include "SVGPathSeg.h"
28#include <wtf/text/WTFString.h>
29
30namespace WebCore {
31
32class SVGPathByteStream;
33class SVGPathSource;
34
35class SVGPathParser {
36public:
37 static bool parse(SVGPathSource&, SVGPathConsumer&, PathParsingMode = NormalizedParsing, bool checkForInitialMoveTo = true);
38
39 static bool parseToByteStream(SVGPathSource&, SVGPathByteStream&, PathParsingMode = NormalizedParsing, bool checkForInitialMoveTo = true);
40 static bool parseToString(SVGPathSource&, String& result, PathParsingMode = NormalizedParsing, bool checkForInitialMoveTo = true);
41
42private:
43 SVGPathParser(SVGPathConsumer&, SVGPathSource&, PathParsingMode);
44 bool parsePathData(bool checkForInitialMoveTo);
45
46 bool decomposeArcToCubic(float angle, float rx, float ry, 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 FloatPoint m_controlPoint;
61 FloatPoint m_currentPoint;
62 FloatPoint m_subPathPoint;
63 PathCoordinateMode m_mode { AbsoluteCoordinates };
64 const PathParsingMode m_pathParsingMode { NormalizedParsing };
65 SVGPathSegType m_lastCommand { PathSegUnknown };
66 bool m_closePath { true };
67};
68
69} // namespace WebCore
70