Bug 212291 SWT Chart render engine always uses 96 DPI(Display) resolution
chart/org.eclipse.birt.chart.device.swt/src/org/eclipse/birt/chart/device/swt/SwtTextRenderer.java
try
		{
			bb = Methods.computeBox( _sxs, iLabelPosition, la, 0, 0 );
		}
		catch ( IllegalArgumentException uiex )
		{
			throw new ChartException( ChartDeviceSwtActivator.ID,
					ChartException.RENDERING,
					uiex );
		}
		switch ( iLabelPosition & POSITION_MASK )
		{
			case ABOVE :
				bb.setTop( lo.getY( ) - bb.getHeight( ) );
				bb.setLeft( lo.getX( ) - bb.getHotPoint( ) );
				break;
			case BELOW :
				bb.setTop( lo.getY( ) );
				bb.setLeft( lo.getX( ) - bb.getHotPoint( ) );
				break;
			case LEFT :
				bb.setTop( lo.getY( ) - bb.getHotPoint( ) );
				bb.setLeft( lo.getX( ) - bb.getWidth( ) );
				break;
			case RIGHT :
				bb.setTop( lo.getY( ) - bb.getHotPoint( ) );
				bb.setLeft( lo.getX( ) );
				break;
			case INSIDE :
				bb.setTop( lo.getY( ) - bb.getHeight( ) / 2 );