LookAtClick.h

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#pragma once
 
 
#include <QImage>
#include <QPoint>
#include <QWidget>
 
class LookAtClick : public QWidget
{
    Q_OBJECT
public:
    explicit LookAtClick(QWidget* parent = nullptr);
    void drawBackground(QImage& image);
    void process();
 
    QSize sizeHint() const override;
signals:
    void clickedAt(const QPoint& point);
 
 
protected:
    void mousePressEvent(QMouseEvent* event) override;
    void paintEvent(QPaintEvent* event) override;
    void mouseMoveEvent(QMouseEvent* event) override;
    bool eventFilter(QObject* watched, QEvent* event) override;
public slots:
 
private:
    QPoint _lastPoint;
    QPoint _center;
 
    QImage _backgroundImage;
};