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41 | |
42 | #ifndef QTIMELINE_H |
43 | #define QTIMELINE_H |
44 | |
45 | #include <QtCore/qeasingcurve.h> |
46 | #include <QtCore/qobject.h> |
47 | |
48 | QT_BEGIN_HEADER |
49 | |
50 | QT_BEGIN_NAMESPACE |
51 | |
52 | QT_MODULE(Core) |
53 | |
54 | class QTimeLinePrivate; |
55 | class Q_CORE_EXPORT QTimeLine : public QObject |
56 | { |
57 | Q_OBJECT |
58 | Q_PROPERTY(int duration READ duration WRITE setDuration) |
59 | Q_PROPERTY(int updateInterval READ updateInterval WRITE setUpdateInterval) |
60 | Q_PROPERTY(int currentTime READ currentTime WRITE setCurrentTime) |
61 | Q_PROPERTY(Direction direction READ direction WRITE setDirection) |
62 | Q_PROPERTY(int loopCount READ loopCount WRITE setLoopCount) |
63 | Q_PROPERTY(CurveShape curveShape READ curveShape WRITE setCurveShape) |
64 | Q_PROPERTY(QEasingCurve easingCurve READ easingCurve WRITE setEasingCurve) |
65 | public: |
66 | enum State { |
67 | NotRunning, |
68 | Paused, |
69 | Running |
70 | }; |
71 | enum Direction { |
72 | Forward, |
73 | Backward |
74 | }; |
75 | enum CurveShape { |
76 | EaseInCurve, |
77 | EaseOutCurve, |
78 | EaseInOutCurve, |
79 | LinearCurve, |
80 | SineCurve, |
81 | CosineCurve |
82 | }; |
83 | |
84 | explicit QTimeLine(int duration = 1000, QObject *parent = 0); |
85 | virtual ~QTimeLine(); |
86 | |
87 | State state() const; |
88 | |
89 | int loopCount() const; |
90 | void setLoopCount(int count); |
91 | |
92 | Direction direction() const; |
93 | void setDirection(Direction direction); |
94 | |
95 | int duration() const; |
96 | void setDuration(int duration); |
97 | |
98 | int startFrame() const; |
99 | void setStartFrame(int frame); |
100 | int endFrame() const; |
101 | void setEndFrame(int frame); |
102 | void setFrameRange(int startFrame, int endFrame); |
103 | |
104 | int updateInterval() const; |
105 | void setUpdateInterval(int interval); |
106 | |
107 | CurveShape curveShape() const; |
108 | void setCurveShape(CurveShape shape); |
109 | |
110 | QEasingCurve easingCurve() const; |
111 | void setEasingCurve(const QEasingCurve &curve); |
112 | |
113 | int currentTime() const; |
114 | int currentFrame() const; |
115 | qreal currentValue() const; |
116 | |
117 | int frameForTime(int msec) const; |
118 | virtual qreal valueForTime(int msec) const; |
119 | |
120 | public Q_SLOTS: |
121 | void start(); |
122 | void resume(); |
123 | void stop(); |
124 | void setPaused(bool paused); |
125 | void setCurrentTime(int msec); |
126 | void toggleDirection(); |
127 | |
128 | Q_SIGNALS: |
129 | void valueChanged(qreal x); |
130 | void frameChanged(int); |
131 | void stateChanged(QTimeLine::State newState); |
132 | void finished(); |
133 | |
134 | protected: |
135 | void timerEvent(QTimerEvent *event); |
136 | |
137 | private: |
138 | Q_DISABLE_COPY(QTimeLine) |
139 | Q_DECLARE_PRIVATE(QTimeLine) |
140 | }; |
141 | |
142 | QT_END_NAMESPACE |
143 | |
144 | QT_END_HEADER |
145 | |
146 | #endif |
147 | |
148 | |