Qt 4.8
qgraphicstransform.h
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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
52 
54 
55 QT_MODULE(Gui)
56 
57 class QGraphicsItem;
59 
61 {
62  Q_OBJECT
63 public:
64  QGraphicsTransform(QObject *parent = 0);
66 
67  virtual void applyTo(QMatrix4x4 *matrix) const = 0;
68 
69 protected Q_SLOTS:
70  void update();
71 
72 protected:
74 
75 private:
76  friend class QGraphicsItem;
77  friend class QGraphicsItemPrivate;
79 };
80 
82 
84 {
85  Q_OBJECT
86 
91 public:
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 
109 Q_SIGNALS:
110  void originChanged();
111  void xScaleChanged();
112  void yScaleChanged();
113  void zScaleChanged();
114  void scaleChanged();
115 
116 private:
118 };
119 
121 
123 {
124  Q_OBJECT
125 
129 public:
130  QGraphicsRotation(QObject *parent = 0);
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 
145 Q_SIGNALS:
146  void originChanged();
147  void angleChanged();
148  void axisChanged();
149 
150 private:
152 };
153 
155 
157 #endif //QT_NO_GRAPHICSVIEW
158 
159 #endif // QFXTRANSFORM_H
The QVector3D class represents a vector or vertex in 3D space.
Definition: qvector3d.h:60
double qreal
Definition: qglobal.h:1193
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
#define QT_MODULE(x)
Definition: qglobal.h:2783
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
#define Q_GUI_EXPORT
Definition: qglobal.h:1450
The QGraphicsItem class is the base class for all graphical items in a QGraphicsScene.
Definition: qgraphicsitem.h:89
#define Q_SLOTS
Definition: qobjectdefs.h:71
The QObject class is the base class of all Qt objects.
Definition: qobject.h:111
#define Q_SIGNALS
Definition: qobjectdefs.h:72
The QGraphicsScale class provides a scale transformation.
QVector3D axis
a rotation axis, specified by a vector in 3D space.
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
virtual void applyTo(QMatrix4x4 *matrix) const =0
This pure virtual method has to be reimplemented in derived classes.
The QMatrix4x4 class represents a 4x4 transformation matrix in 3D space.
Definition: qmatrix4x4.h:63
qreal xScale
the horizontal scale factor.
#define Q_OBJECT
Definition: qobjectdefs.h:157
qreal zScale
the depth scale factor.
qreal angle(const QPointF &p1, const QPointF &p2)
qreal yScale
the vertical scale factor.
qreal angle
the angle for clockwise rotation, in degrees.
QVector3D origin
the origin of the scale in 3D space.
The QGraphicsRotation class provides a rotation transformation around a given axis.
#define Q_DECLARE_PRIVATE(Class)
Definition: qglobal.h:2467
QVector3D origin
the origin of the rotation in 3D space.
#define QT_END_HEADER
Definition: qglobal.h:137
The QGraphicsTransform class is an abstract base class for building advanced transformations on QGrap...