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/SwtRendererImpl.java
}
		catch ( ChartException pex )
		{
			logger.log( pex );
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.event.IDeviceRenderer#getGraphicsContext()
	 */
	public Object getGraphicsContext( )
	{
		return _gc;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.event.IDeviceRenderer#getDisplayServer()
	 */
	public IDisplayServer getDisplayServer( )
	{
		return _ids;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.event.IPrimitiveRenderer#setClip(org.eclipse.birt.chart.event.ClipRenderEvent)
	 */
	public void setClip( ClipRenderEvent cre )