Bug 211773 Legend entries overlap
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/LegendBuilder.java
dFHeight,
							la.getCaption( ).getValue( ),
							dsiBase.size( ) ) );
				}
			}
			else
			{
				dHeight = Math.max( dFHeight, dHeight );
				dWidth += dDeltaWidth;
				columnList.add( new LegendItemHints( LEGEND_MINSLICE_ENTRY,
						new Point( dWidth - dDeltaWidth, dExtraHeight ),
						dFWidth,
						dFHeight,
						la.getCaption( ).getValue( ),
						dsiBase.size( ) ) );
			}
		}
		
		dRowHeight = dHeight + legendData.dVerticalReservedSpace;
		if ( dExtraHeight + dRowHeight > legendData.dAvailableHeight
				+ legendData.dSafeSpacing )
		{
			dHeight = -legendData.dVerticalReservedSpace;
		}
		else
		{
			legendData.legendItems.addAll( columnList );
		}
		columnList.clear( );
		dHeight += dExtraHeight + legendData.dVerticalReservedSpace;