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41
42#ifndef QGRAPHICSTRANSFORM_H
43#define QGRAPHICSTRANSFORM_H
44
45#include <QtCore/QObject>
46#include <QtGui/QVector3D>
47#include <QtGui/QTransform>
48#include <QtGui/QMatrix4x4>
49
50#ifndef QT_NO_GRAPHICSVIEW
51QT_BEGIN_HEADER
52
53QT_BEGIN_NAMESPACE
54
55QT_MODULE(Gui)
56
57class QGraphicsItem;
58class QGraphicsTransformPrivate;
59
60class Q_GUI_EXPORT QGraphicsTransform : public QObject
61{
62 Q_OBJECT
63public:
64 QGraphicsTransform(QObject *parent = 0);
65 ~QGraphicsTransform();
66
67 virtual void applyTo(QMatrix4x4 *matrix) const = 0;
68
69protected Q_SLOTS:
70 void update();
71
72protected:
73 QGraphicsTransform(QGraphicsTransformPrivate &p, QObject *parent);
74
75private:
76 friend class QGraphicsItem;
77 friend class QGraphicsItemPrivate;
78 Q_DECLARE_PRIVATE(QGraphicsTransform)
79};
80
81class QGraphicsScalePrivate;
82
83class Q_GUI_EXPORT QGraphicsScale : public QGraphicsTransform
84{
85 Q_OBJECT
86
87 Q_PROPERTY(QVector3D origin READ origin WRITE setOrigin NOTIFY originChanged)
88 Q_PROPERTY(qreal xScale READ xScale WRITE setXScale NOTIFY xScaleChanged)
89 Q_PROPERTY(qreal yScale READ yScale WRITE setYScale NOTIFY yScaleChanged)
90 Q_PROPERTY(qreal zScale READ zScale WRITE setZScale NOTIFY zScaleChanged)
91public:
92 QGraphicsScale(QObject *parent = 0);
93 ~QGraphicsScale();
94
95 QVector3D origin() const;
96 void setOrigin(const QVector3D &point);
97
98 qreal xScale() const;
99 void setXScale(qreal);
100
101 qreal yScale() const;
102 void setYScale(qreal);
103
104 qreal zScale() const;
105 void setZScale(qreal);
106
107 void applyTo(QMatrix4x4 *matrix) const;
108
109Q_SIGNALS:
110 void originChanged();
111 void xScaleChanged();
112 void yScaleChanged();
113 void zScaleChanged();
114 void scaleChanged();
115
116private:
117 Q_DECLARE_PRIVATE(QGraphicsScale)
118};
119
120class QGraphicsRotationPrivate;
121
122class Q_GUI_EXPORT QGraphicsRotation : public QGraphicsTransform
123{
124 Q_OBJECT
125
126 Q_PROPERTY(QVector3D origin READ origin WRITE setOrigin NOTIFY originChanged)
127 Q_PROPERTY(qreal angle READ angle WRITE setAngle NOTIFY angleChanged)
128 Q_PROPERTY(QVector3D axis READ axis WRITE setAxis NOTIFY axisChanged)
129public:
130 QGraphicsRotation(QObject *parent = 0);
131 ~QGraphicsRotation();
132
133 QVector3D origin() const;
134 void setOrigin(const QVector3D &point);
135
136 qreal angle() const;
137 void setAngle(qreal);
138
139 QVector3D axis() const;
140 void setAxis(const QVector3D &axis);
141 void setAxis(Qt::Axis axis);
142
143 void applyTo(QMatrix4x4 *matrix) const;
144
145Q_SIGNALS:
146 void originChanged();
147 void angleChanged();
148 void axisChanged();
149
150private:
151 Q_DECLARE_PRIVATE(QGraphicsRotation)
152};
153
154QT_END_NAMESPACE
155
156QT_END_HEADER
157#endif //QT_NO_GRAPHICSVIEW
158
159#endif // QFXTRANSFORM_H
160