void zoomSlider(int level);

	QSlider *zoomSliderBar = new QSlider(Qt::Horizontal, this);
	
	zoomSliderBar->setTickPosition(QSlider::TicksBothSides);
	// Slider not inverted
	zoomSliderBar->setInvertedAppearance(false);
	// Min value to max value
	zoomSliderBar->setRange(0,4);
	// Initial Value of Slider Bar
	zoomSliderBar->setValue(2);
	// Add the widget at the bottom (status bar)
	mStatusBar->addPermanentWidget(zoomSliderBar, 1);

	connect(zoomSliderBar,SIGNAL(valueChanged(int)), this, SLOT(zoomSlider(int)));

void MainWindow::zoomSlider(int level) // Zoom Slider Bar Function
{
	if (level == 0)
	{
		getCurrentImageArea()->zoomImage(0.25);
		getCurrentImageArea()->setZoomFactor(0.25);
	}

	else if (level == 1)
	{
		getCurrentImageArea()->zoomImage(0.50);
		getCurrentImageArea()->setZoomFactor(0.50);
	}

	else if (level == 2)
	{
		getCurrentImageArea()->zoomImage(1);
		getCurrentImageArea()->setZoomFactor(1);
	}

	else if (level == 3)
	{
		getCurrentImageArea()->zoomImage(1.50);
		getCurrentImageArea()->setZoomFactor(1.50);
	}

	else if (level == 4)
	{
		getCurrentImageArea()->zoomImage(2);
		getCurrentImageArea()->setZoomFactor(2);
	}
}