136 lines
4.8 KiB
C++
136 lines
4.8 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QEASINGCURVE_H
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#define QEASINGCURVE_H
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#include <QtCore/qglobal.h>
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QT_REQUIRE_CONFIG(easingcurve);
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#include <QtCore/qlist.h>
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#include <QtCore/qobjectdefs.h>
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QT_BEGIN_NAMESPACE
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class QEasingCurvePrivate;
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class QPointF;
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class Q_CORE_EXPORT QEasingCurve
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{
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Q_GADGET
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public:
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enum Type {
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Linear,
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InQuad, OutQuad, InOutQuad, OutInQuad,
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InCubic, OutCubic, InOutCubic, OutInCubic,
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InQuart, OutQuart, InOutQuart, OutInQuart,
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InQuint, OutQuint, InOutQuint, OutInQuint,
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InSine, OutSine, InOutSine, OutInSine,
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InExpo, OutExpo, InOutExpo, OutInExpo,
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InCirc, OutCirc, InOutCirc, OutInCirc,
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InElastic, OutElastic, InOutElastic, OutInElastic,
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InBack, OutBack, InOutBack, OutInBack,
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InBounce, OutBounce, InOutBounce, OutInBounce,
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InCurve, OutCurve, SineCurve, CosineCurve,
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BezierSpline, TCBSpline, Custom, NCurveTypes
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};
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Q_ENUM(Type)
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QEasingCurve(Type type = Linear);
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QEasingCurve(const QEasingCurve &other);
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~QEasingCurve();
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QEasingCurve &operator=(const QEasingCurve &other)
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{ if ( this != &other ) { QEasingCurve copy(other); swap(copy); } return *this; }
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QEasingCurve(QEasingCurve &&other) noexcept : d_ptr(other.d_ptr) { other.d_ptr = nullptr; }
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QEasingCurve &operator=(QEasingCurve &&other) noexcept
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{ qSwap(d_ptr, other.d_ptr); return *this; }
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void swap(QEasingCurve &other) noexcept { qSwap(d_ptr, other.d_ptr); }
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bool operator==(const QEasingCurve &other) const;
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inline bool operator!=(const QEasingCurve &other) const
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{ return !(this->operator==(other)); }
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qreal amplitude() const;
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void setAmplitude(qreal amplitude);
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qreal period() const;
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void setPeriod(qreal period);
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qreal overshoot() const;
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void setOvershoot(qreal overshoot);
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void addCubicBezierSegment(const QPointF & c1, const QPointF & c2, const QPointF & endPoint);
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void addTCBSegment(const QPointF &nextPoint, qreal t, qreal c, qreal b);
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QList<QPointF> toCubicSpline() const;
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Type type() const;
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void setType(Type type);
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typedef qreal (*EasingFunction)(qreal progress);
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void setCustomType(EasingFunction func);
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EasingFunction customType() const;
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qreal valueForProgress(qreal progress) const;
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private:
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QEasingCurvePrivate *d_ptr;
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#ifndef QT_NO_DEBUG_STREAM
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friend Q_CORE_EXPORT QDebug operator<<(QDebug debug, const QEasingCurve &item);
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#endif
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#ifndef QT_NO_DATASTREAM
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friend Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QEasingCurve&);
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friend Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QEasingCurve &);
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#endif
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};
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Q_DECLARE_SHARED(QEasingCurve)
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#ifndef QT_NO_DEBUG_STREAM
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Q_CORE_EXPORT QDebug operator<<(QDebug debug, const QEasingCurve &item);
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#endif
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#ifndef QT_NO_DATASTREAM
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Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QEasingCurve&);
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Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QEasingCurve &);
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#endif
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QT_END_NAMESPACE
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#endif
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