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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QEASINGCURVE_H
#define QEASINGCURVE_H
#include <QtCore/qglobal.h>
#include <QtCore/qobjectdefs.h>
#include <QtCore/qvector.h>
#if QT_DEPRECATED_SINCE(5, 0)
# include <QtCore/qlist.h>
# include <QtCore/qpoint.h>
#endif
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; }
#ifdef Q_COMPILER_RVALUE_REFS
QEasingCurve(QEasingCurve &&other) Q_DECL_NOTHROW : d_ptr(other.d_ptr) { other.d_ptr = nullptr; }
QEasingCurve &operator=(QEasingCurve &&other) Q_DECL_NOTHROW
{ qSwap(d_ptr, other.d_ptr); return *this; }
#endif
void swap(QEasingCurve &other) Q_DECL_NOTHROW { qSwap(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);
QVector<QPointF> toCubicSpline() const;
#if QT_DEPRECATED_SINCE(5, 0)
QT_DEPRECATED QList<QPointF> cubicBezierSpline() const { return toCubicSpline().toList(); }
#endif
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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