Bug 211773 Legend entries overlap
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/BaseRenderer.java
for ( int t = 0; t < elTriggers.size( ); t++ )
				{
					tg = TriggerImpl.copyInstance( (Trigger) elTriggers.get( t ) );
					processTrigger( tg,
							WrappedStructureSource.createLegendEntry( lg, lerh ) );
					iev.addTrigger( tg );
				}
				if ( buildinTg != null )
				{
					processTrigger( buildinTg,
							WrappedStructureSource.createLegendEntry( lg, lerh ) );
					iev.addTrigger( buildinTg );
				}
				final PolygonRenderEvent pre = (PolygonRenderEvent) ( (EventObjectCache) ipr ).getEventObject( source,
						PolygonRenderEvent.class );
				pre.setPoints( loaHotspot );
				iev.setHotSpot( pre );
				ipr.enableInteraction( iev );
			}
		}
		ScriptHandler.callFunction( sh,
				ScriptHandler.AFTER_DRAW_LEGEND_ITEM,
				lerh,
				bo,
				getRunTimeContext( ).getScriptContext( ) );
		getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.AFTER_DRAW_LEGEND_ITEM,
				lerh );
		ScriptHandler.callFunction( sh,
				ScriptHandler.AFTER_DRAW_LEGEND_ENTRY,
				la,