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
case Anchor.SOUTH :
				case Anchor.SOUTH_EAST :
				case Anchor.SOUTH_WEST :
					titleHPos = 1;
					break;
			}
		}
		legendData.dAvailableWidth = boFull.getWidth( )
				- ins.getLeft( )
				- ins.getRight( )
				- lgIns.getLeft( )
				- lgIns.getRight( )
				- titleBounds.getWidth( )
				* titleWPos;
		legendData.dAvailableHeight = boFull.getHeight( )
				- ins.getTop( )
				- ins.getBottom( )
				- lgIns.getTop( )
				- lgIns.getBottom( )
				- titleBounds.getHeight( )
				* titleHPos;
		
		
		double dMaxLegendWidth = boFull.getWidth( ) / 3;
		double dMaxLegendHeight = boFull.getHeight( ) / 3;
		switch ( lgPosition.getValue( ) )
		{
			case Position.LEFT :
			case Position.RIGHT :
			case Position.OUTSIDE :