#include <QGraphicsScene>
#include <QGraphicsPixmapItem> 
#include <cstdio>
#include <QPixmap> 
#include <QThread>
#include <QDebug>
#include <QImage>
#include <QLineEdit>
#include "opencv2/opencv.hpp"
#include <QDateTime>
#include <QMessageBox>
#include <QDir>
#include <QMutex>





class focus : public QObject
{
    Q_OBJECT



public:
    
    focus(QObject* parent);
    ~focus();





};