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qquicksmoothedanimation_p_p.h

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1/****************************************************************************-
2**-
3** Copyright (C) 2016 The Qt Company Ltd.-
4** Contact: https://www.qt.io/licensing/-
5**-
6** This file is part of the QtQuick module of the Qt Toolkit.-
7**-
8** $QT_BEGIN_LICENSE:LGPL$-
9** Commercial License Usage-
10** Licensees holding valid commercial Qt licenses may use this file in-
11** accordance with the commercial license agreement provided with the-
12** Software or, alternatively, in accordance with the terms contained in-
13** a written agreement between you and The Qt Company. For licensing terms-
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15** information use the contact form at https://www.qt.io/contact-us.-
16**-
17** GNU Lesser General Public License Usage-
18** Alternatively, this file may be used under the terms of the GNU Lesser-
19** General Public License version 3 as published by the Free Software-
20** Foundation and appearing in the file LICENSE.LGPL3 included in the-
21** packaging of this file. Please review the following information to-
22** ensure the GNU Lesser General Public License version 3 requirements-
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.-
24**-
25** GNU General Public License Usage-
26** Alternatively, this file may be used under the terms of the GNU-
27** General Public License version 2.0 or (at your option) the GNU General-
28** Public license version 3 or any later version approved by the KDE Free-
29** Qt Foundation. The licenses are as published by the Free Software-
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3-
31** included in the packaging of this file. Please review the following-
32** information to ensure the GNU General Public License requirements will-
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35**-
36** $QT_END_LICENSE$-
37**-
38****************************************************************************/-
39-
40#ifndef QQUICKSMOOTHEDANIMATION2_P_H-
41#define QQUICKSMOOTHEDANIMATION2_P_H-
42-
43//-
44// W A R N I N G-
45// --------------
46//-
47// This file is not part of the Qt API. It exists purely as an-
48// implementation detail. This header file may change from version to-
49// version without notice, or even be removed.-
50//-
51// We mean it.-
52//-
53-
54#include "qquicksmoothedanimation_p.h"-
55#include "qquickanimation_p.h"-
56-
57#include "qquickanimation_p_p.h"-
58-
59#include <private/qobject_p.h>-
60#include <QBasicTimer>-
61-
62QT_BEGIN_NAMESPACE-
63class QSmoothedAnimation;-
64class QSmoothedAnimationTimer : public QTimer-
65{-
66 Q_OBJECT-
67public:-
68 explicit QSmoothedAnimationTimer(QSmoothedAnimation *animation, QObject *parent = nullptr);-
69 ~QSmoothedAnimationTimer();-
70public Q_SLOTS:-
71 void stopAnimation();-
72private:-
73 QSmoothedAnimation *m_animation;-
74};-
75-
76class QQuickSmoothedAnimationPrivate;-
77class Q_AUTOTEST_EXPORT QSmoothedAnimation : public QAbstractAnimationJob-
78{-
79 Q_DISABLE_COPY(QSmoothedAnimation)-
80public:-
81 QSmoothedAnimation(QQuickSmoothedAnimationPrivate * = nullptr);-
82-
83 ~QSmoothedAnimation();-
84 qreal to;-
85 qreal velocity;-
86 int userDuration;-
87-
88 int maximumEasingTime;-
89 QQuickSmoothedAnimation::ReversingMode reversingMode;-
90-
91 qreal initialVelocity;-
92 qreal trackVelocity;-
93-
94 QQmlProperty target;-
95-
96 int duration() const override;-
97 void restart();-
98 void init();-
99-
100 void prepareForRestart();-
101 void clearTemplate() { animationTemplate = nullptr; }
never executed: end of block
0
102-
103protected:-
104 void updateCurrentTime(int) override;-
105 void updateState(QAbstractAnimationJob::State, QAbstractAnimationJob::State) override;-
106 void debugAnimation(QDebug d) const override;-
107-
108private:-
109 qreal easeFollow(qreal);-
110 qreal initialValue;-
111-
112 bool invert;-
113-
114 int finalDuration;-
115-
116 // Parameters for use in updateCurrentTime()-
117 qreal a; // Acceleration-
118 qreal d; // Deceleration-
119 qreal tf; // Total time-
120 qreal tp; // Time at which peak velocity occurs-
121 qreal td; // Time at which deceleration begins-
122 qreal vp; // Velocity at tp-
123 qreal sp; // Displacement at tp-
124 qreal sd; // Displacement at td-
125 qreal vi; // "Normalized" initialvelocity-
126 qreal s; // Total s-
127-
128 int lastTime;-
129 bool skipUpdate;-
130-
131 bool recalc();-
132 void delayedStop();-
133 QSmoothedAnimationTimer *delayedStopTimer;-
134 QQuickSmoothedAnimationPrivate *animationTemplate;-
135};-
136-
137class QQuickSmoothedAnimationPrivate : public QQuickPropertyAnimationPrivate-
138{-
139 Q_DECLARE_PUBLIC(QQuickSmoothedAnimation)-
140public:-
141 QQuickSmoothedAnimationPrivate();-
142 ~QQuickSmoothedAnimationPrivate();-
143 void updateRunningAnimations();-
144-
145 QSmoothedAnimation *anim;-
146 QHash<QQmlProperty, QSmoothedAnimation*> activeAnimations;-
147};-
148-
149QT_END_NAMESPACE-
150-
151#endif // QQUICKSMOOTHEDANIMATION2_P_H-
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