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 SVGPathSegListBuilder_h
25#define SVGPathSegListBuilder_h
26
27#if ENABLE(SVG)
28#include "FloatPoint.h"
29#include "SVGPathConsumer.h"
30#include "SVGPathElement.h"
31#include "SVGPathSegList.h"
32
33namespace WebCore {
34
35class SVGPathSegListBuilder : public SVGPathConsumer {
36public:
37    SVGPathSegListBuilder();
38
39    void setCurrentSVGPathElement(SVGPathElement* pathElement) { m_pathElement = pathElement; }
40    void setCurrentSVGPathSegList(SVGPathSegList& pathSegList) { m_pathSegList = &pathSegList; }
41    void setCurrentSVGPathSegRole(SVGPathSegRole pathSegRole) { m_pathSegRole = pathSegRole; }
42
43private:
44    virtual void incrementPathSegmentCount() { }
45    virtual bool continueConsuming() { return true; }
46    virtual void cleanup()
47    {
48        m_pathElement = 0;
49        m_pathSegList = 0;
50        m_pathSegRole = PathSegUndefinedRole;
51    }
52
53    // Used in UnalteredParsing/NormalizedParsing modes.
54    virtual void moveTo(const FloatPoint&, bool closed, PathCoordinateMode);
55    virtual void lineTo(const FloatPoint&, PathCoordinateMode);
56    virtual void curveToCubic(const FloatPoint&, const FloatPoint&, const FloatPoint&, PathCoordinateMode);
57    virtual void closePath();
58
59    // Only used in UnalteredParsing mode.
60    virtual void lineToHorizontal(float, PathCoordinateMode);
61    virtual void lineToVertical(float, PathCoordinateMode);
62    virtual void curveToCubicSmooth(const FloatPoint&, const FloatPoint&, PathCoordinateMode);
63    virtual void curveToQuadratic(const FloatPoint&, const FloatPoint&, PathCoordinateMode);
64    virtual void curveToQuadraticSmooth(const FloatPoint&, PathCoordinateMode);
65    virtual void arcTo(float, float, float, bool largeArcFlag, bool sweepFlag, const FloatPoint&, PathCoordinateMode);
66
67    SVGPathElement* m_pathElement;
68    SVGPathSegList* m_pathSegList;
69    SVGPathSegRole m_pathSegRole;
70};
71
72} // namespace WebCore
73
74#endif // ENABLE(SVG)
75#endif // SVGPathSegListBuilder_h
76