Bug 160954 Legend area disappears when tick Show Value check box for Gantt chart
Legend area disapears when tick Show Value check box for Gantt chart Steps to reproduce: 1. Create a Gantt Chart. 2. Double click the chart, select "Format Chart" button, go to Chart Area->Legend, tick "Legend Visible" check box, tick "Value: Show Value" check box Expected result: Value is shown. Actual result: The legend area dispears.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/LegendBuilder.java
bb = Methods.computeBox( xs, IConstants.ABOVE, lgTitle, 0, 0 );
			}
			catch ( IllegalArgumentException uiex )
			{
				throw new ChartException( ChartEnginePlugin.ID,
						ChartException.RENDERING,
						uiex );
			}
			int iTitlePos = lg.getTitlePosition( ).getValue( );
			
			if ( rtc.isRightToLeft( ) )
			{
				if ( iTitlePos == Position.LEFT )
				{
					iTitlePos = Position.RIGHT;
				}
				else if ( iTitlePos == Position.RIGHT )
				{
					iTitlePos = Position.LEFT;
				}
			}
			double shadowness = 3 * legendData.dScale;
			switch ( iTitlePos )
			{
				case Position.ABOVE :
				case Position.BELOW :
					dHeight += bb.getHeight( ) + 2 * shadowness;
					dWidth = Math.max( dWidth, bb.getWidth( ) + 2 * shadowness );
					break;
				case Position.LEFT :