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#ifndef QEASINGCURVE_H

#define QEASINGCURVE_H

#include <QtCore/qglobal.h>

#include <QtCore/qobjectdefs.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Core)

class QEasingCurvePrivate;

class Q_CORE_EXPORT QEasingCurve

{

    Q_GADGET

    Q_ENUMS(Type)

public:

    enum Type {

        Linear,

        InQuad, OutQuad, InOutQuad, OutInQuad,

        InCubic, OutCubic, InOutCubic, OutInCubic,

        InQuart, OutQuart, InOutQuart, OutInQuart,

        InQuint, OutQuint, InOutQuint, OutInQuint,

        InSine, OutSine, InOutSine, OutInSine,

        InExpo, OutExpo, InOutExpo, OutInExpo,

        InCirc, OutCirc, InOutCirc, OutInCirc,

        InElastic, OutElastic, InOutElastic, OutInElastic,

        InBack, OutBack, InOutBack, OutInBack,

        InBounce, OutBounce, InOutBounce, OutInBounce,

        InCurve, OutCurve, SineCurve, CosineCurve,

        Custom, NCurveTypes

    };

    QEasingCurve(Type type = Linear);

    QEasingCurve(const QEasingCurve &other);

    ~QEasingCurve();

    QEasingCurve &operator=(const QEasingCurve &other);

    bool operator==(const QEasingCurve &other) const;

    inline bool operator!=(const QEasingCurve &other) const

    { return !(this->operator==(other)); }

    qreal amplitude() const;

    void setAmplitude(qreal amplitude);

    qreal period() const;

    void setPeriod(qreal period);

    qreal overshoot() const;

    void setOvershoot(qreal overshoot);

    Type type() const;

    void setType(Type type);

    typedef qreal (*EasingFunction)(qreal progress);

    void setCustomType(EasingFunction func);

    EasingFunction customType() const;

    qreal valueForProgress(qreal progress) const;

private:

    QEasingCurvePrivate *d_ptr;

    friend Q_CORE_EXPORT QDebug operator<<(QDebug debug, const QEasingCurve &item);

};

#ifndef QT_NO_DEBUG_STREAM

Q_CORE_EXPORT QDebug operator<<(QDebug debug, const QEasingCurve &item);

#endif

QT_END_NAMESPACE

QT_END_HEADER

#endif