summaryrefslogtreecommitdiffstats
path: root/src/corelib/tools/qeasingcurve.h
blob: 4e35a8307b4fad90dd87e332a2ab4ca774e4fb86 (plain)
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
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights.  These rights are described in the Nokia Qt LGPL
** Exception version 1.1, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QEASINGCURVE_H
#define QEASINGCURVE_H

#include <QtCore/qglobal.h>
#include <QtCore/qobjectdefs.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Core)

class QEasingCurvePrivate;
class Q_CORE_EXPORT QEasingCurve
{
    Q_GADGET
    Q_ENUMS(Type)
public:
    enum Type {
        Linear,
        InQuad, OutQuad, InOutQuad, OutInQuad,
        InCubic, OutCubic, InOutCubic, OutInCubic,
        InQuart, OutQuart, InOutQuart, OutInQuart,
        InQuint, OutQuint, InOutQuint, OutInQuint,
        InSine, OutSine, InOutSine, OutInSine,
        InExpo, OutExpo, InOutExpo, OutInExpo,
        InCirc, OutCirc, InOutCirc, OutInCirc,
        InElastic, OutElastic, InOutElastic, OutInElastic,
        InBack, OutBack, InOutBack, OutInBack,
        InBounce, OutBounce, InOutBounce, OutInBounce,
        InCurve, OutCurve, SineCurve, CosineCurve,
        Custom, NCurveTypes
    };

    QEasingCurve(Type type = Linear);
    QEasingCurve(const QEasingCurve &other);
    ~QEasingCurve();

    QEasingCurve &operator=(const QEasingCurve &other);
    bool operator==(const QEasingCurve &other) const;
    inline bool operator!=(const QEasingCurve &other) const
    { return !(this->operator==(other)); }

    qreal amplitude() const;
    void setAmplitude(qreal amplitude);

    qreal period() const;
    void setPeriod(qreal period);

    qreal overshoot() const;
    void setOvershoot(qreal overshoot);

    Type type() const;
    void setType(Type type);
    typedef qreal (*EasingFunction)(qreal progress);
    void setCustomType(EasingFunction func);
    EasingFunction customType() const;

    qreal valueForProgress(qreal progress) const;
private:
    QEasingCurvePrivate *d_ptr;
    friend Q_CORE_EXPORT QDebug operator<<(QDebug debug, const QEasingCurve &item);
};

#ifndef QT_NO_DEBUG_STREAM
Q_CORE_EXPORT QDebug operator<<(QDebug debug, const QEasingCurve &item);
#endif

QT_END_NAMESPACE

QT_END_HEADER

#endif