Bug 123736 Underline, linethrough, overline doesn't work for chart font.
Description: Underline, linethrough, overline doesn't work for chart font. Steps to teproduce: 1. Add a style, set its font. 2. Tick "underline", "linethrough" and "overline". 3. Preview. Font setting doesn't work.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/factory/Generator.java
cm,
				gcs.getComputations( ) );
	}
	/**
	 * Draws a previously built chart using the specified device renderer into a
	 * target output device.
	 * 
	 * @param idr
	 *            A device renderer that determines the target context on which
	 *            the chart will be rendered.
	 * @param gcs
	 *            A previously built chart that needs to be rendered.
	 * 
	 * @throws GenerationException
	 */
	public final void render( IDeviceRenderer idr, GeneratedChartState gcs )
			throws ChartException
	{
		final Chart cm = gcs.getChartModel( );
		ScriptHandler.callFunction( gcs.getRunTimeContext( ).getScriptHandler( ),
				ScriptHandler.START_RENDERING,
				gcs );
		ScriptHandler.callFunction( gcs.getRunTimeContext( ).getScriptHandler( ),
				ScriptHandler.BEFORE_RENDERING,
				gcs,
				gcs.getRunTimeContext( ).getScriptContext( ) );
		Legend lg = cm.getLegend( );
		lg.updateLayout( cm ); 
		if ( lg.getPosition( ) == Position.INSIDE_LITERAL )
		{