Display Images in widget

#ifndef MYWIDGET_H
#define MYWIDGET_H

#include <QWidget>
class MyWidget : public QWidget
{
public:
    MyWidget(QWidget *parent = 0);

protected:
    void paintEvent(QPaintEvent *event);
};

#endif // MYWIDGET_H

#include "mywidget.h"
#include <QPainter>
#include <QImage>

MyWidget::MyWidget(QWidget *parent)
    : QWidget(parent)
{
    setWindowTitle("Display Images");
}

void MyWidget::paintEvent(QPaintEvent *event)
{
    Q_UNUSED(event);
    QPainter painter(this);
    QImage image("../testQPainter2/dot.png");
    painter.drawImage(100, 100, image);
    painter.drawImage(200, 200, image);
}

#include <QApplication>
#include "mywidget.h"

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);
    MyWidget widget;
    widget.show();
    return app.exec();
}