include/QtWidgets/qgraphicstransform.h

0001 // Copyright (C) 2016 The Qt Company Ltd.
0002 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
0003 // Qt-Security score:significant reason:default
0004
0005 #ifndef QGRAPHICSTRANSFORM_H
0006 #define QGRAPHICSTRANSFORM_H
0007
0008 #include <QtWidgets/qtwidgetsglobal.h>
0009 #include <QtCore/QObject>
0010 #include <QtGui/QVector3D>
0011 #include <QtGui/QTransform>
0012 #include <QtGui/QMatrix4x4>
0013
0014 QT_REQUIRE_CONFIG(graphicsview);
0015
0016 QT_BEGIN_NAMESPACE
0017
0018 class QGraphicsItem;
0019 class QGraphicsTransformPrivate;
0020
0021 class Q_WIDGETS_EXPORT QGraphicsTransform : public QObject
0022 {
0023     Q_OBJECT
0024 public:
0025     QGraphicsTransform(QObject *parent = nullptr);
0026     ~QGraphicsTransform();
0027
0028     virtual void applyTo(QMatrix4x4 *matrix) const = 0;
0029
0030 protected Q_SLOTS:
0031     void update();
0032
0033 protected:
0034     QGraphicsTransform(QGraphicsTransformPrivate &p, QObject *parent);
0035
0036 private:
0037     friend class QGraphicsItem;
0038     friend class QGraphicsItemPrivate;
0039     Q_DECLARE_PRIVATE(QGraphicsTransform)
0040 };
0041
0042 class QGraphicsScalePrivate;
0043
0044 class Q_WIDGETS_EXPORT QGraphicsScale : public QGraphicsTransform
0045 {
0046     Q_OBJECT
0047
0048     Q_PROPERTY(QVector3D origin READ origin WRITE setOrigin NOTIFY originChanged)
0049     Q_PROPERTY(qreal xScale READ xScale WRITE setXScale NOTIFY xScaleChanged)
0050     Q_PROPERTY(qreal yScale READ yScale WRITE setYScale NOTIFY yScaleChanged)
0051     Q_PROPERTY(qreal zScale READ zScale WRITE setZScale NOTIFY zScaleChanged)
0052 public:
0053     QGraphicsScale(QObject *parent = nullptr);
0054     ~QGraphicsScale();
0055
0056     QVector3D origin() const;
0057     void setOrigin(const QVector3D &point);
0058
0059     qreal xScale() const;
0060     void setXScale(qreal);
0061
0062     qreal yScale() const;
0063     void setYScale(qreal);
0064
0065     qreal zScale() const;
0066     void setZScale(qreal);
0067
0068     void applyTo(QMatrix4x4 *matrix) const override;
0069
0070 Q_SIGNALS:
0071     void originChanged();
0072     void xScaleChanged();
0073     void yScaleChanged();
0074     void zScaleChanged();
0075     void scaleChanged();
0076
0077 private:
0078     Q_DECLARE_PRIVATE(QGraphicsScale)
0079 };
0080
0081 class QGraphicsRotationPrivate;
0082
0083 class Q_WIDGETS_EXPORT QGraphicsRotation : public QGraphicsTransform
0084 {
0085     Q_OBJECT
0086
0087     Q_PROPERTY(QVector3D origin READ origin WRITE setOrigin NOTIFY originChanged)
0088     Q_PROPERTY(qreal angle READ angle WRITE setAngle NOTIFY angleChanged)
0089     Q_PROPERTY(QVector3D axis READ axis WRITE setAxis NOTIFY axisChanged)
0090 public:
0091     QGraphicsRotation(QObject *parent = nullptr);
0092     ~QGraphicsRotation();
0093
0094     QVector3D origin() const;
0095     void setOrigin(const QVector3D &point);
0096
0097     qreal angle() const;
0098     void setAngle(qreal);
0099
0100     QVector3D axis() const;
0101     void setAxis(const QVector3D &axis);
0102     void setAxis(Qt::Axis axis);
0103
0104     void applyTo(QMatrix4x4 *matrix) const override;
0105
0106 Q_SIGNALS:
0107     void originChanged();
0108     void angleChanged();
0109     void axisChanged();
0110
0111 private:
0112     Q_DECLARE_PRIVATE(QGraphicsRotation)
0113 };
0114
0115 QT_END_NAMESPACE
0116
0117 #endif // QFXTRANSFORM_H