Bug 212291 SWT Chart render engine always uses 96 DPI(Display) resolution
chart/org.eclipse.birt.chart.device.extension/src/org/eclipse/birt/chart/device/swing/SwingDisplayServer.java
* @see org.eclipse.birt.devices.IDisplayServer#getMetrics(org.eclipse.birt.chart.attribute.FontDefinition,
	 *      java.lang.Object)
	 */
	public final Object getMetrics( FontDefinition fd )
	{
		return _g2d.getFontMetrics( (Font) createFont( fd ) );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.devices.IDisplayServer#getDpiResolution()
	 */
	public final int getDpiResolution( )
	{
		if ( iDpiResolution == 0 )
		{
			if ( GraphicsEnvironment.isHeadless( ) )
			{
				
				iDpiResolution = super.getDpiResolution( );
			}
			else
			{
				iDpiResolution = Toolkit.getDefaultToolkit( )
						.getScreenResolution( );
			}
		}
		return iDpiResolution;
	}
	/*