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/*
 * Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
 * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
 *
 * 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 SVGAngle_h
#define SVGAngle_h

#if ENABLE(SVG)
#include "PlatformString.h"

namespace WebCore {

    class SVGAngle {
    public:
        SVGAngle();

        enum SVGAngleType {
            SVG_ANGLETYPE_UNKNOWN           = 0,
            SVG_ANGLETYPE_UNSPECIFIED       = 1,
            SVG_ANGLETYPE_DEG               = 2,
            SVG_ANGLETYPE_RAD               = 3,
            SVG_ANGLETYPE_GRAD              = 4
        };

        SVGAngleType unitType() const { return m_unitType; }

        void setValue(float);
        float value() const { return m_value; }

        void setValueInSpecifiedUnits(float valueInSpecifiedUnits);
        float valueInSpecifiedUnits() const { return m_valueInSpecifiedUnits; }

        void setValueAsString(const String&);
        String valueAsString() const;

        void newValueSpecifiedUnits(unsigned short unitType, float valueInSpecifiedUnits);
        void convertToSpecifiedUnits(unsigned short unitType);

    private:
        SVGAngleType m_unitType;
        float m_value;
        float m_valueInSpecifiedUnits;
        mutable String m_valueAsString;

        void calculate();
    };

} // namespace WebCore

#endif // ENABLE(SVG)
#endif // SVGAngle_h