1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QTIMELINE_H
#define QTIMELINE_H
#include <QtCore/qeasingcurve.h>
#include <QtCore/qobject.h>
QT_BEGIN_NAMESPACE
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)
Q_PROPERTY(QEasingCurve easingCurve READ easingCurve WRITE setEasingCurve)
public:
enum State {
NotRunning,
Paused,
Running
};
enum Direction {
Forward,
Backward
};
enum CurveShape {
EaseInCurve,
EaseOutCurve,
EaseInOutCurve,
LinearCurve,
SineCurve,
CosineCurve
};
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);
QEasingCurve easingCurve() const;
void setEasingCurve(const QEasingCurve &curve);
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 resume();
void stop();
void setPaused(bool paused);
void setCurrentTime(int msec);
void toggleDirection();
Q_SIGNALS:
void valueChanged(qreal x, QPrivateSignal);
void frameChanged(int, QPrivateSignal);
void stateChanged(QTimeLine::State newState, QPrivateSignal);
void finished(QPrivateSignal);
protected:
void timerEvent(QTimerEvent *event) Q_DECL_OVERRIDE;
private:
Q_DISABLE_COPY(QTimeLine)
Q_DECLARE_PRIVATE(QTimeLine)
};
QT_END_NAMESPACE
#endif
|
