Bug 211773 Legend entries overlap
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/LegendBuilder.java
iTitlePos = lg.getTitlePosition( ).getValue( );
				
				if ( rtc.isRightToLeft( ) )
				{
					if ( iTitlePos == Position.LEFT )
					{
						iTitlePos = Position.RIGHT;
					}
					else if ( iTitlePos == Position.RIGHT )
					{
						iTitlePos = Position.LEFT;
					}
				}
				double shadowness = 3 * legendData.dScale;
				switch ( iTitlePos )
				{
					case Position.ABOVE :
					case Position.BELOW :
						legendData.dAvailableHeight -= titleBounding.getHeight( ) +
								2 *
								shadowness;
						break;
					case Position.LEFT :
					case Position.RIGHT :
						legendData.dAvailableWidth -= titleBounding.getWidth( ) +
								2 *
								shadowness;
						break;
				}
				titleSize = SizeImpl.create( titleBounding.getWidth( ) +