tdesktop/Telegram/ThirdParty/qtlottie_helper/QtBodymovin/private/beziereasing_p.h
2019-05-27 14:11:26 +02:00

62 lines
1.9 KiB
C++

/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the lottie-qt module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
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****************************************************************************/
#ifndef BEZIEREASING_P_H
#define BEZIEREASING_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <private/qbezier_p.h>
QT_BEGIN_NAMESPACE
class BezierEasing
{
public:
void addCubicBezierSegment(const QPointF &c1, const QPointF &c2, const QPointF &endPoint);
qreal valueForProgress(qreal progress) const;
private:
qreal tForX(qreal x) const;
QBezier mBezier;
};
QT_END_NAMESPACE
#endif // BEZIEREASING_P_H