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| |
| #ifndef QTIMELINE_H |
| #define QTIMELINE_H |
| |
| #include <QtCore/qglobal.h> |
| |
| QT_REQUIRE_CONFIG(easingcurve); |
| |
| #include <QtCore/qeasingcurve.h> |
| #include <QtCore/qobject.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| class QTimeLinePrivate; |
| class Q_CORE_EXPORT QTimeLine : public QObject |
| { |
| Q_OBJECT |
| Q_PROPERTY(int duration READ duration WRITE setDuration) |
| Q_PROPERTY(int updateInterval READ updateInterval WRITE setUpdateInterval) |
| Q_PROPERTY(int currentTime READ currentTime WRITE setCurrentTime) |
| Q_PROPERTY(Direction direction READ direction WRITE setDirection) |
| Q_PROPERTY(int loopCount READ loopCount WRITE setLoopCount) |
| Q_PROPERTY(CurveShape curveShape READ curveShape WRITE setCurveShape) |
| Q_PROPERTY(QEasingCurve easingCurve READ easingCurve WRITE setEasingCurve) |
| public: |
| enum State { |
| NotRunning, |
| Paused, |
| Running |
| }; |
| enum Direction { |
| Forward, |
| Backward |
| }; |
| enum CurveShape { |
| EaseInCurve, |
| EaseOutCurve, |
| EaseInOutCurve, |
| LinearCurve, |
| SineCurve, |
| CosineCurve |
| }; |
| |
| explicit QTimeLine(int duration = 1000, QObject *parent = nullptr); |
| virtual ~QTimeLine(); |
| |
| State state() const; |
| |
| int loopCount() const; |
| void setLoopCount(int count); |
| |
| Direction direction() const; |
| void setDirection(Direction direction); |
| |
| int duration() const; |
| void setDuration(int duration); |
| |
| int startFrame() const; |
| void setStartFrame(int frame); |
| int endFrame() const; |
| void setEndFrame(int frame); |
| void setFrameRange(int startFrame, int endFrame); |
| |
| int updateInterval() const; |
| void setUpdateInterval(int interval); |
| |
| CurveShape curveShape() const; |
| void setCurveShape(CurveShape shape); |
| |
| QEasingCurve easingCurve() const; |
| void setEasingCurve(const QEasingCurve &curve); |
| |
| int currentTime() const; |
| int currentFrame() const; |
| qreal currentValue() const; |
| |
| int frameForTime(int msec) const; |
| virtual qreal valueForTime(int msec) const; |
| |
| public Q_SLOTS: |
| void start(); |
| void resume(); |
| void stop(); |
| void setPaused(bool paused); |
| void setCurrentTime(int msec); |
| void toggleDirection(); |
| |
| Q_SIGNALS: |
| void valueChanged(qreal x, QPrivateSignal); |
| void frameChanged(int, QPrivateSignal); |
| void stateChanged(QTimeLine::State newState, QPrivateSignal); |
| void finished(QPrivateSignal); |
| |
| protected: |
| void timerEvent(QTimerEvent *event) override; |
| |
| private: |
| Q_DISABLE_COPY(QTimeLine) |
| Q_DECLARE_PRIVATE(QTimeLine) |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif |
| |