fenetregraphe.h

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#ifndef FENETREGRAPHE_H
#define FENETREGRAPHE_H
 
#include <QGraphicsView>
#include <QWheelEvent>
#include <QDebug>
 
 
class FenetreGraphe : public QGraphicsView
{
public:
     FenetreGraphe(QWidget* parent = nullptr);
 
public slots:
    void zoomAvant();
    void zoomArriere();
 
 
protected:
    void wheelEvent(QWheelEvent *event);  // Pour capter les événements de la molette
 
private:
    void Zoom_dezoom(QWheelEvent *event);  // Méthode de zoom/dézoom
    int limiteZoom = 0;
    const int MAX_ZOOM = 4;
    const int MIN_ZOOM = -4;
};
 
#endif // FENETREGRAPHE_H