#ifndef LRGRAPHICSVIEWZOOM_H #define LRGRAPHICSVIEWZOOM_H #include #include namespace LimeReport { class GraphicsViewZoomer: public QObject { Q_OBJECT public: GraphicsViewZoomer(QGraphicsView* view); void gentleZoom(double factor); void setModifiers(Qt::KeyboardModifiers modifiers); void setZoomFactorBase(double value); void setView(QGraphicsView* view); private: QGraphicsView* m_view; Qt::KeyboardModifiers m_modifiers; double m_zoomFactorBase; QPointF m_targetScenePos, m_targetViewportPos; bool eventFilter(QObject* object, QEvent* event); signals: void zoomed(double factor); }; } // namespace LimeReport #endif // GRAPHICSVIEWZOOM_H