/*

 * Copyright (C) 2002, 2003 The Karbon Developers

 *               2006       Alexander Kellett <lypanov@kde.org>

 *               2006, 2007 Rob Buis <buis@kde.org>

 * Copyrigth (C) 2007, 2009 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.

 *

 */

#ifndef SVGPathConsumer_h

#define SVGPathConsumer_h

#if ENABLE(SVG)

#include "FloatPoint.h"

namespace WebCore {

enum PathCoordinateMode {

    AbsoluteCoordinates,

    RelativeCoordinates

};

enum PathParsingMode {

    NormalizedParsing,

    UnalteredParsing

};

class SVGPathConsumer {

public:

    // Used in UnalteredParisng/NormalizedParsing modes.

    virtual void moveTo(const FloatPoint&, bool closed, PathCoordinateMode) = 0;

    virtual void lineTo(const FloatPoint&, PathCoordinateMode) = 0;

    virtual void curveToCubic(const FloatPoint&, const FloatPoint&, const FloatPoint&, PathCoordinateMode) = 0;

    virtual void closePath() = 0;

public:

    // Only used in UnalteredParsing mode.

    virtual void lineToHorizontal(float, PathCoordinateMode) = 0;

    virtual void lineToVertical(float, PathCoordinateMode) = 0;

    virtual void curveToCubicSmooth(const FloatPoint&, const FloatPoint&, PathCoordinateMode) = 0;

    virtual void curveToQuadratic(const FloatPoint&, const FloatPoint&, PathCoordinateMode) = 0;

    virtual void curveToQuadraticSmooth(const FloatPoint&, PathCoordinateMode) = 0;

    virtual void arcTo(const FloatPoint&, float, float, float, bool largeArcFlag, bool sweepFlag, PathCoordinateMode) = 0;

protected:

    SVGPathConsumer() { }

    virtual ~SVGPathConsumer() { }

};

} // namespace WebCore

#endif // ENABLE(SVG)

#endif // SVGPathConsumer_h