Bug 171533 Pie chart legends are truncated
This only happens with a title for the legend. There is a small bug in the layout algorithm that causes the clipping in such case.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/LegendBuilder.java
.getSeparator( )
									.isVisible( ) ) )
					{
						dHeight += legendData.dSeparatorThickness;
						legendData.legendItems.add( new LegendItemHints( LEGEND_SEPERATOR,
								new Point( 0, dExtraHeight
										- legendData.dSeparatorThickness
										/ 2 ),
								dRealWidth,
								0,
								null,
								0,
								null ) );
					}
				}
			}
			columnList.clear( );
			
			dMaxH = 0;
			dWidth = 0;
		}
		dHeight += dExtraHeight;
		dWidth = Math.max( dRealWidth, dWidth );
		return new double[]{
				dWidth, dHeight
		};
	}
	private double[] computeHorizalByLeftRightValue( IDisplayServer xs,
			Chart cm, SeriesDefinition[] seda, RunTimeContext rtc,
			ITextMetrics itm, Label la, LegendData legendData )