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
break;
					}
					else
					{
						legendData.legendItems.addAll( columnList );
						columnList.clear( );
						dExtraHeight += dRowHeight;
						dMaxH = dH;
						dRealWidth = Math.max( dRealWidth, dWidth );
						dWidth = dDeltaWidth;
					}
				}
				else
				{
					dMaxH = Math.max( dH, dMaxH );
					dWidth += dDeltaWidth;
				}
				columnList.add( new LegendItemHints( LEGEND_ENTRY,
						new Point( dWidth - dDeltaWidth, dExtraHeight ),
						dFWidth,
						dFHeight,
						la.getCaption( ).getValue( ),
						dEHeight,
						extraText ) );
			}
			
			dRowHeight = dMaxH + legendData.dVerticalReservedSpace;
			if ( dExtraHeight + dRowHeight > legendData.dAvailableHeight
					+ legendData.dSafeSpacing )
			{