summaryrefslogtreecommitdiffstats
path: root/src/gui/graphicsview/qgraphicstransform.h
blob: 58e30777674fdb7f32f7624c4f61406714af6306 (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
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui 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 QGRAPHICSTRANSFORM_H
#define QGRAPHICSTRANSFORM_H

#include <QtCore/QObject>
#include <QtGui/QVector3D>
#include <QtGui/QTransform>
#include <QtGui/QMatrix4x4>

#ifndef QT_NO_GRAPHICSVIEW
QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

class QGraphicsItem;
class QGraphicsTransformPrivate;

class Q_GUI_EXPORT QGraphicsTransform : public QObject
{
    Q_OBJECT
public:
    QGraphicsTransform(QObject *parent = 0);
    ~QGraphicsTransform();

    virtual void applyTo(QMatrix4x4 *matrix) const = 0;

protected Q_SLOTS:
    void update();

protected:
    QGraphicsTransform(QGraphicsTransformPrivate &p, QObject *parent);

private:
    friend class QGraphicsItem;
    friend class QGraphicsItemPrivate;
    Q_DECLARE_PRIVATE(QGraphicsTransform)
};

class QGraphicsScalePrivate;

class Q_GUI_EXPORT QGraphicsScale : public QGraphicsTransform
{
    Q_OBJECT

    Q_PROPERTY(QVector3D origin READ origin WRITE setOrigin NOTIFY originChanged)
    Q_PROPERTY(qreal xScale READ xScale WRITE setXScale NOTIFY scaleChanged)
    Q_PROPERTY(qreal yScale READ yScale WRITE setYScale NOTIFY scaleChanged)
    Q_PROPERTY(qreal zScale READ zScale WRITE setZScale NOTIFY scaleChanged)
public:
    QGraphicsScale(QObject *parent = 0);
    ~QGraphicsScale();

    QVector3D origin() const;
    void setOrigin(const QVector3D &point);

    qreal xScale() const;
    void setXScale(qreal);

    qreal yScale() const;
    void setYScale(qreal);

    qreal zScale() const;
    void setZScale(qreal);

    void applyTo(QMatrix4x4 *matrix) const;

Q_SIGNALS:
    void originChanged();
    void scaleChanged();

private:
    Q_DECLARE_PRIVATE(QGraphicsScale)
};

class QGraphicsRotationPrivate;

class Q_GUI_EXPORT QGraphicsRotation : public QGraphicsTransform
{
    Q_OBJECT

    Q_PROPERTY(QVector3D origin READ origin WRITE setOrigin NOTIFY originChanged)
    Q_PROPERTY(qreal angle READ angle WRITE setAngle NOTIFY angleChanged)
    Q_PROPERTY(QVector3D axis READ axis WRITE setAxis NOTIFY axisChanged)
public:
    QGraphicsRotation(QObject *parent = 0);
    ~QGraphicsRotation();

    QVector3D origin() const;
    void setOrigin(const QVector3D &point);

    qreal angle() const;
    void setAngle(qreal);

    QVector3D axis() const;
    void setAxis(const QVector3D &axis);
    void setAxis(Qt::Axis axis);

    void applyTo(QMatrix4x4 *matrix) const;

Q_SIGNALS:
    void originChanged();
    void angleChanged();
    void axisChanged();

private:
    Q_DECLARE_PRIVATE(QGraphicsRotation)
};

QT_END_NAMESPACE

QT_END_HEADER
#endif //QT_NO_GRAPHICSVIEW

#endif // QFXTRANSFORM_H