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39 | |
40 | #ifndef QEASINGCURVE_H |
41 | #define QEASINGCURVE_H |
42 | |
43 | #include <QtCore/qglobal.h> |
44 | #include <QtCore/qobjectdefs.h> |
45 | #include <QtCore/qvector.h> |
46 | #if QT_DEPRECATED_SINCE(5, 0) |
47 | # include <QtCore/qlist.h> |
48 | # include <QtCore/qpoint.h> |
49 | #endif |
50 | |
51 | QT_BEGIN_NAMESPACE |
52 | |
53 | |
54 | class QEasingCurvePrivate; |
55 | class QPointF; |
56 | class Q_CORE_EXPORT QEasingCurve |
57 | { |
58 | Q_GADGET |
59 | public: |
60 | enum Type { |
61 | Linear, |
62 | InQuad, OutQuad, InOutQuad, OutInQuad, |
63 | InCubic, OutCubic, InOutCubic, OutInCubic, |
64 | InQuart, OutQuart, InOutQuart, OutInQuart, |
65 | InQuint, OutQuint, InOutQuint, OutInQuint, |
66 | InSine, OutSine, InOutSine, OutInSine, |
67 | InExpo, OutExpo, InOutExpo, OutInExpo, |
68 | InCirc, OutCirc, InOutCirc, OutInCirc, |
69 | InElastic, OutElastic, InOutElastic, OutInElastic, |
70 | InBack, OutBack, InOutBack, OutInBack, |
71 | InBounce, OutBounce, InOutBounce, OutInBounce, |
72 | InCurve, OutCurve, SineCurve, CosineCurve, |
73 | BezierSpline, TCBSpline, Custom, NCurveTypes |
74 | }; |
75 | Q_ENUM(Type) |
76 | |
77 | QEasingCurve(Type type = Linear); |
78 | QEasingCurve(const QEasingCurve &other); |
79 | ~QEasingCurve(); |
80 | |
81 | QEasingCurve &operator=(const QEasingCurve &other) |
82 | { if ( this != &other ) { QEasingCurve copy(other); swap(copy); } return *this; } |
83 | QEasingCurve(QEasingCurve &&other) noexcept : d_ptr(other.d_ptr) { other.d_ptr = nullptr; } |
84 | QEasingCurve &operator=(QEasingCurve &&other) noexcept |
85 | { qSwap(d_ptr, other.d_ptr); return *this; } |
86 | |
87 | void swap(QEasingCurve &other) noexcept { qSwap(d_ptr, other.d_ptr); } |
88 | |
89 | bool operator==(const QEasingCurve &other) const; |
90 | inline bool operator!=(const QEasingCurve &other) const |
91 | { return !(this->operator==(other)); } |
92 | |
93 | qreal amplitude() const; |
94 | void setAmplitude(qreal amplitude); |
95 | |
96 | qreal period() const; |
97 | void setPeriod(qreal period); |
98 | |
99 | qreal overshoot() const; |
100 | void setOvershoot(qreal overshoot); |
101 | |
102 | void addCubicBezierSegment(const QPointF & c1, const QPointF & c2, const QPointF & endPoint); |
103 | void addTCBSegment(const QPointF &nextPoint, qreal t, qreal c, qreal b); |
104 | QVector<QPointF> toCubicSpline() const; |
105 | #if QT_DEPRECATED_SINCE(5, 0) |
106 | QT_DEPRECATED QList<QPointF> cubicBezierSpline() const { return toCubicSpline().toList(); } |
107 | #endif |
108 | |
109 | Type type() const; |
110 | void setType(Type type); |
111 | typedef qreal (*EasingFunction)(qreal progress); |
112 | void setCustomType(EasingFunction func); |
113 | EasingFunction customType() const; |
114 | |
115 | qreal valueForProgress(qreal progress) const; |
116 | private: |
117 | QEasingCurvePrivate *d_ptr; |
118 | #ifndef QT_NO_DEBUG_STREAM |
119 | friend Q_CORE_EXPORT QDebug operator<<(QDebug debug, const QEasingCurve &item); |
120 | #endif |
121 | #ifndef QT_NO_DATASTREAM |
122 | friend Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QEasingCurve&); |
123 | friend Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QEasingCurve &); |
124 | #endif |
125 | }; |
126 | Q_DECLARE_SHARED(QEasingCurve) |
127 | |
128 | #ifndef QT_NO_DEBUG_STREAM |
129 | Q_CORE_EXPORT QDebug operator<<(QDebug debug, const QEasingCurve &item); |
130 | #endif |
131 | |
132 | #ifndef QT_NO_DATASTREAM |
133 | Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QEasingCurve&); |
134 | Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QEasingCurve &); |
135 | #endif |
136 | |
137 | QT_END_NAMESPACE |
138 | |
139 | #endif |
140 | |