| 1 | // Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB). |
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | #ifndef QT3DCORE_QTICKCLOCK_P_H |
| 4 | #define QT3DCORE_QTICKCLOCK_P_H |
| 5 | |
| 6 | // |
| 7 | // W A R N I N G |
| 8 | // ------------- |
| 9 | // |
| 10 | // This file is not part of the Qt API. It exists for the convenience |
| 11 | // of other Qt classes. This header file may change from version to |
| 12 | // version without notice, or even be removed. |
| 13 | // |
| 14 | // We mean it. |
| 15 | // |
| 16 | |
| 17 | #include <Qt3DCore/qt3dcore_global.h> |
| 18 | #include <QtCore/QElapsedTimer> |
| 19 | #include <private/qglobal_p.h> |
| 20 | |
| 21 | QT_BEGIN_NAMESPACE |
| 22 | |
| 23 | namespace Qt3DCore { |
| 24 | |
| 25 | class QTickClock |
| 26 | { |
| 27 | public: |
| 28 | QTickClock(); |
| 29 | |
| 30 | void setTickFrequency(float frequency); |
| 31 | |
| 32 | void start(); |
| 33 | void reset(); |
| 34 | |
| 35 | qint64 waitForNextTick(); |
| 36 | |
| 37 | private: |
| 38 | QElapsedTimer m_timer; |
| 39 | qint64 m_tickInterval; |
| 40 | qint64 m_time; |
| 41 | }; |
| 42 | |
| 43 | } // namespace Qt3DCore |
| 44 | |
| 45 | QT_END_NAMESPACE |
| 46 | |
| 47 | #endif // QT3DCORE_QTICKCLOCK_P_H |
| 48 | |