Bug 211773 Legend entries overlap
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/BaseRenderer.java
final Axis axPrimaryBase = ( (ChartWithAxes) cm ).getBaseAxes( )[0];
						if ( axPrimaryBase.getSeriesDefinitions( ).isEmpty( ) )
						{
							
							
							return;
						}
						
						sdBase = (SeriesDefinition) axPrimaryBase.getSeriesDefinitions( )
								.get( 0 );
					}
					else if ( cm instanceof ChartWithoutAxes )
					{
						if ( ( (ChartWithoutAxes) cm ).getSeriesDefinitions( )
								.isEmpty( ) )
						{
							
							
							return;
						}
						
						sdBase = (SeriesDefinition) ( (ChartWithoutAxes) cm ).getSeriesDefinitions( )
								.get( 0 );
					}
					
					seBase = (Series) sdBase.getRunTimeSeries( ).get( 0 );
					pa = sdBase.getSeriesPalette( );
					elPaletteEntries = pa.getEntries( );
					iPaletteCount = elPaletteEntries.size( );