/******************************************************************************** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.**** This file is part of the QtCore module of the Qt Toolkit.**** This file may be used under the terms of the GNU General Public** License version 2.0 as published by the Free Software Foundation** and appearing in the file LICENSE.GPL included in the packaging of** this file.  Please review the following information to ensure GNU** General Public Licensing requirements will be met:** http://www.trolltech.com/products/qt/opensource.html**** If you are unsure which license is appropriate for your use, please** review the following information:** http://www.trolltech.com/products/qt/licensing.html or contact the** sales department at sales@trolltech.com.**** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.******************************************************************************/#ifndef QTIMELINE_H#define QTIMELINE_H#include <QtCore/qobject.h>QT_BEGIN_HEADERQT_MODULE(Core)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)public:    enum State {        NotRunning,        Paused,        Running    };    enum Direction {        Forward,        Backward    };    enum CurveShape {        EaseInCurve,        EaseOutCurve,        EaseInOutCurve,        LinearCurve,        SineCurve    };    explicit QTimeLine(int duration = 1000, QObject *parent = 0);    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);    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 stop();    void setPaused(bool paused);    void setCurrentTime(int msec);    void toggleDirection();Q_SIGNALS:    void valueChanged(qreal x);    void frameChanged(int);    void stateChanged(QTimeLine::State newState);    void finished();protected:    void timerEvent(QTimerEvent *event);private:    Q_DISABLE_COPY(QTimeLine)    Q_DECLARE_PRIVATE(QTimeLine)};QT_END_HEADER#endif