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
}
		}
		else
		{
			throw new ChartException( ChartEnginePlugin.ID,
					ChartException.GENERATION,
					"exception.illegal.rendering.orientation", 
					new Object[]{
						orientation
					},
					Messages.getResourceBundle( xs.getULocale( ) ) );
		}
		if ( size == null )
		{
			return SizeImpl.create( 0, 0 );
		}
		double dWidth = size[0], dHeight = size[1];
		
		Label lgTitle = lg.getTitle( );
		Size titleSize = null;
		if ( lgTitle != null && lgTitle.isSetVisible( ) && lgTitle.isVisible( ) )
		{
			lgTitle = LabelImpl.copyInstance( lgTitle );
			
			final String sPreviousValue = lgTitle.getCaption( ).getValue( );
			lgTitle.getCaption( )
					.setValue( rtc.externalizedMessage( sPreviousValue ) );
			BoundingBox bb = null;
			try
			{