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42 #ifndef QEASINGCURVE_H
43 #define QEASINGCURVE_H
45 #include <QtCore/qglobal.h>
46 #include <QtCore/qobjectdefs.h>
47 #include <QtCore/qvector.h>
48 #if QT_DEPRECATED_SINCE(5, 0)
49 # include <QtCore/qlist.h>
50 # include <QtCore/qpoint.h>
58 class QEasingCurvePrivate;
60 class Q_CORE_EXPORT QEasingCurve
67 InQuad, OutQuad, InOutQuad, OutInQuad,
68 InCubic, OutCubic, InOutCubic, OutInCubic,
69 InQuart, OutQuart, InOutQuart, OutInQuart,
70 InQuint, OutQuint, InOutQuint, OutInQuint,
71 InSine, OutSine, InOutSine, OutInSine,
72 InExpo, OutExpo, InOutExpo, OutInExpo,
73 InCirc, OutCirc, InOutCirc, OutInCirc,
74 InElastic, OutElastic, InOutElastic, OutInElastic,
75 InBack, OutBack, InOutBack, OutInBack,
76 InBounce, OutBounce, InOutBounce, OutInBounce,
77 InCurve, OutCurve, SineCurve, CosineCurve,
78 BezierSpline, TCBSpline, Custom, NCurveTypes
81 QEasingCurve(Type type = Linear);
82 QEasingCurve(const QEasingCurve &other);
85 QEasingCurve &operator=(const QEasingCurve &other)
86 { if ( this != &other ) { QEasingCurve copy(other); swap(copy); } return *this; }
87 #ifdef Q_COMPILER_RVALUE_REFS
88 QEasingCurve(QEasingCurve &&other) : d_ptr(other.d_ptr) { other.d_ptr = 0; }
89 QEasingCurve &operator=(QEasingCurve &&other)
90 { qSwap(d_ptr, other.d_ptr); return *this; }
93 inline void swap(QEasingCurve &other) { qSwap(d_ptr, other.d_ptr); }
95 bool operator==(const QEasingCurve &other) const;
96 inline bool operator!=(const QEasingCurve &other) const
97 { return !(this->operator==(other)); }
99 qreal amplitude() const;
100 void setAmplitude(qreal amplitude);
102 qreal period() const;
103 void setPeriod(qreal period);
105 qreal overshoot() const;
106 void setOvershoot(qreal overshoot);
108 void addCubicBezierSegment(const QPointF & c1, const QPointF & c2, const QPointF & endPoint);
109 void addTCBSegment(const QPointF &nextPoint, qreal t, qreal c, qreal b);
110 QVector<QPointF> toCubicSpline() const;
111 #if QT_DEPRECATED_SINCE(5, 0)
112 QT_DEPRECATED QList<QPointF> cubicBezierSpline() const { return toCubicSpline().toList(); }
116 void setType(Type type);
117 typedef qreal (*EasingFunction)(qreal progress);
118 void setCustomType(EasingFunction func);
119 EasingFunction customType() const;
121 qreal valueForProgress(qreal progress) const;
123 QEasingCurvePrivate *d_ptr;
124 #ifndef QT_NO_DEBUG_STREAM
125 friend Q_CORE_EXPORT QDebug operator<<(QDebug debug, const QEasingCurve &item);
127 #ifndef QT_NO_DATASTREAM
128 friend Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QEasingCurve&);
129 friend Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QEasingCurve &);
132 Q_DECLARE_TYPEINFO(QEasingCurve, Q_MOVABLE_TYPE);
134 #ifndef QT_NO_DEBUG_STREAM
135 Q_CORE_EXPORT QDebug operator<<(QDebug debug, const QEasingCurve &item);
138 #ifndef QT_NO_DATASTREAM
139 Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QEasingCurve&);
140 Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QEasingCurve &);