1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/*
* 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, 2015 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.
*/
#pragma once
#include "SVGPathConsumer.h"
#include "SVGPathSeg.h"
#include <wtf/text/WTFString.h>
namespace WebCore {
class SVGPathByteStream;
class SVGPathSource;
class SVGPathParser {
public:
static bool parse(SVGPathSource&, SVGPathConsumer&, PathParsingMode = NormalizedParsing, bool checkForInitialMoveTo = true);
static bool parseToByteStream(SVGPathSource&, SVGPathByteStream&, PathParsingMode = NormalizedParsing, bool checkForInitialMoveTo = true);
static bool parseToString(SVGPathSource&, String& result, PathParsingMode = NormalizedParsing, bool checkForInitialMoveTo = true);
private:
SVGPathParser(SVGPathConsumer&, SVGPathSource&, PathParsingMode);
bool parsePathData(bool checkForInitialMoveTo);
bool decomposeArcToCubic(float angle, float rx, float ry, FloatPoint&, FloatPoint&, bool largeArcFlag, bool sweepFlag);
void parseClosePathSegment();
bool parseMoveToSegment();
bool parseLineToSegment();
bool parseLineToHorizontalSegment();
bool parseLineToVerticalSegment();
bool parseCurveToCubicSegment();
bool parseCurveToCubicSmoothSegment();
bool parseCurveToQuadraticSegment();
bool parseCurveToQuadraticSmoothSegment();
bool parseArcToSegment();
SVGPathSource& m_source;
SVGPathConsumer& m_consumer;
FloatPoint m_controlPoint;
FloatPoint m_currentPoint;
FloatPoint m_subPathPoint;
PathCoordinateMode m_mode { AbsoluteCoordinates };
const PathParsingMode m_pathParsingMode { NormalizedParsing };
SVGPathSegType m_lastCommand { PathSegUnknown };
bool m_closePath { true };
};
} // namespace WebCore
|
