Bug 212291 SWT Chart render engine always uses 96 DPI(Display) resolution
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/device/DisplayAdapter.java
return null;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.device.IDisplayServer#getDpiResolution()
	 */
	public int getDpiResolution( )
	{
		
		return 96;
	}
	public void setDpiResolution( int dpi )
	{
		
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.device.IDisplayServer#loadImage(java.net.URL)
	 */
	public Object loadImage( URL url ) throws ChartException
	{
		
		return null;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.device.IDisplayServer#getSize(java.lang.Object)