#include <QtCore/qtimeline.h> #ifndef QTIMELINE_H class QTimeLine: public QObject{ /* Some contents are skipped to improve readability */ public: enum CurveShape{ EaseInCurve = 0, EaseOutCurve = 1, EaseInOutCurve = 2, LinearCurve = 3, SineCurve = 4, }; /* ... */ }; #endif