Bug 176582 "Show Lines as Curves" does not work correctly for Area Chart [0001]
Description: "Show Lines as Curves" does not work correctly for Area Chart. Build number: 2.2.0.v20070307-1128 Steps to reproduce: 1. New a Area Chart. 2. In "Format Chart" tab, select Series->Value (Y) Series, tick and untick "Show Lines as Curves" checkbox. Expected result: Null value point e is treated the same when tick and untick "Show Lines as Curves" checkbox. Actual result: Null value point e is treated differently (see the screenshot). Error log: N/A
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/BaseRenderer.java
return bo;
	}
	/**
	 * This convenience method renders the data point label along with the
	 * shadow If there's a need to render the data point label and the shadow
	 * separately, each call should be made separately by calling into the
	 * primitive rendering interface directly.
	 */
	public final void renderLabel( Object oSource, int iTextRenderType,
			Label laDataPoint, Position lp, Location lo, Bounds bo )
			throws ChartException
	{
		final IDeviceRenderer idr = getDevice( );
		TextRenderEvent tre = (TextRenderEvent) ( (EventObjectCache) idr ).getEventObject( oSource,
				TextRenderEvent.class );
		if ( iTextRenderType != TextRenderEvent.RENDER_TEXT_IN_BLOCK )
		{
			tre.setTextPosition( Methods.getLabelPosition( lp ) );
			tre.setLocation( lo );
		}
		else
		{
			tre.setBlockBounds( bo );
			tre.setBlockAlignment( null );
		}
		tre.setLabel( laDataPoint );
		tre.setAction( iTextRenderType );
		dc.addLabel( tre );
	}
	/**