void CreateDialog::addPicture() {
    QString filePath = QFileDialog::getOpenFileName(this, "Choose image",
                                                       "",
                                                       "Images(*.bmp)");
    QFileInfo fi(filePath);
    QString fileName= fi.fileName();
    QString desktopPath = QStandardPaths::writableLocation(QStandardPaths::PicturesLocation);
    QString destinationPath= desktopPath+QDir::separator()+fileName;
    if (QFile::exists(destinationPath)) {
        QFile::remove(destinationPath);
    }
    if(QFile::copy(filePath, destinationPath)) {
        QGraphicsScene *scene =  new QGraphicsScene;
        QPixmap pixmap(destinationPath);
        scene->addPixmap(pixmap);
        ui->graphicsView->setScene(scene);
        ui->graphicsView->show();
        ui->graphicsView->setVisible(true);
        imagePath = destinationPath;
        qDebug() << "success";
    } else {
        qDebug() << "failed";
    }
}