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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QEASINGCURVE_H
#define QEASINGCURVE_H
#include <QtCore/qglobal.h>
QT_REQUIRE_CONFIG(easingcurve);
#include <QtCore/qlist.h>
#include <QtCore/qobjectdefs.h>
QT_BEGIN_NAMESPACE
class QEasingCurvePrivate;
class QPointF;
class Q_CORE_EXPORT QEasingCurve
{
Q_GADGET
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,
BezierSpline, TCBSpline, Custom, NCurveTypes
};
Q_ENUM(Type)
QEasingCurve(Type type = Linear);
QEasingCurve(const QEasingCurve &other);
~QEasingCurve();
QEasingCurve &operator=(const QEasingCurve &other)
{ if ( this != &other ) { QEasingCurve copy(other); swap(copy); } return *this; }
QEasingCurve(QEasingCurve &&other) noexcept : d_ptr(other.d_ptr) { other.d_ptr = nullptr; }
QT_MOVE_ASSIGNMENT_OPERATOR_IMPL_VIA_PURE_SWAP(QEasingCurve)
void swap(QEasingCurve &other) noexcept { qt_ptr_swap(d_ptr, other.d_ptr); }
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);
void addCubicBezierSegment(const QPointF &c1, const QPointF &c2, const QPointF &endPoint);
void addTCBSegment(const QPointF &nextPoint, qreal t, qreal c, qreal b);
QList<QPointF> toCubicSpline() const;
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;
#ifndef QT_NO_DEBUG_STREAM
friend Q_CORE_EXPORT QDebug operator<<(QDebug debug, const QEasingCurve &item);
#endif
#ifndef QT_NO_DATASTREAM
friend Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QEasingCurve &);
friend Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QEasingCurve &);
#endif
};
Q_DECLARE_SHARED(QEasingCurve)
#ifndef QT_NO_DEBUG_STREAM
Q_CORE_EXPORT QDebug operator<<(QDebug debug, const QEasingCurve &item);
#endif
#ifndef QT_NO_DATASTREAM
Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QEasingCurve &);
Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QEasingCurve &);
#endif
QT_END_NAMESPACE
#endif
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