| /**************************************************************************** |
| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
| ** Contact: http://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtWidgets module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL21$ |
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| ** GNU Lesser General Public License Usage |
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| ****************************************************************************/ |
| |
| #ifndef QGRAPHICSTRANSFORM_H |
| #define QGRAPHICSTRANSFORM_H |
| |
| #include <QtCore/QObject> |
| #include <QtGui/QVector3D> |
| #include <QtGui/QTransform> |
| #include <QtGui/QMatrix4x4> |
| |
| #ifndef QT_NO_GRAPHICSVIEW |
| QT_BEGIN_NAMESPACE |
| |
| |
| class QGraphicsItem; |
| class QGraphicsTransformPrivate; |
| |
| class Q_WIDGETS_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_WIDGETS_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 xScaleChanged) |
| Q_PROPERTY(qreal yScale READ yScale WRITE setYScale NOTIFY yScaleChanged) |
| Q_PROPERTY(qreal zScale READ zScale WRITE setZScale NOTIFY zScaleChanged) |
| 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_DECL_OVERRIDE; |
| |
| Q_SIGNALS: |
| void originChanged(); |
| void xScaleChanged(); |
| void yScaleChanged(); |
| void zScaleChanged(); |
| void scaleChanged(); |
| |
| private: |
| Q_DECLARE_PRIVATE(QGraphicsScale) |
| }; |
| |
| class QGraphicsRotationPrivate; |
| |
| class Q_WIDGETS_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_DECL_OVERRIDE; |
| |
| Q_SIGNALS: |
| void originChanged(); |
| void angleChanged(); |
| void axisChanged(); |
| |
| private: |
| Q_DECLARE_PRIVATE(QGraphicsRotation) |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif //QT_NO_GRAPHICSVIEW |
| |
| #endif // QFXTRANSFORM_H |