Bug 211773 Legend entries overlap
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/BaseRenderer.java
valueLa = LabelImpl.copyInstance( seBase.getLabel( ) );
										valueLa.getCaption( )
												.setValue( lih.getExtraText( ) );
										
										
										valueLa.setVisible( true );
									}
									
									fPaletteEntry = (Fill) elPaletteEntries.get( i %
											iPaletteCount );
									double columnWidth = bo.getWidth( );
									Double cachedWidth = (Double) columnCache.get( lih );
									if ( cachedWidth != null )
									{
										columnWidth = cachedWidth.doubleValue( ) +
												3 *
												dItemHeight /
												2 +
												2 *
												insCA.getLeft( );
									}
									renderLegendItem( ipr,
											lg,
											la,
											valueLa,
											dBaseX + lih.getLeft( ),
											dBaseY +
													lih.getTop( ) +
													insCA.getTop( ),
											lih.getWidth( ),