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
Series se, Fill fPaletteEntry, LegendItemRenderingHints lirh,
			int dataIndex, double dScale ) throws ChartException
	{
		
		if ( la != null
				&& la.getCaption( ) != null
				&& valueLa != null
				&& valueLa.getCaption( ) != null )
		{
			valueLa.getCaption( ).setFont( la.getCaption( ).getFont( ) );
			valueLa.getCaption( ).setColor( la.getCaption( ).getColor( ) );
		}
		
		LegendEntryRenderingHints lerh = new LegendEntryRenderingHints( la,
				valueLa,
				dataIndex,
				fPaletteEntry );
		ScriptHandler sh = getRunTimeContext( ).getScriptHandler( );
		
		ScriptHandler.callFunction( sh,
				ScriptHandler.BEFORE_DRAW_LEGEND_ENTRY,
				la,
				getRunTimeContext( ).getScriptContext( ) );
		getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.BEFORE_DRAW_LEGEND_ENTRY,
				la );
		final Bounds bo = lirh.getLegendGraphicBounds( );
		if ( isRightToLeft( ) )
		{
			bo.setLeft( ( dX + dColumnWidth - dLeftInset - 1 - 3 * dItemHeight / 2 )
					/ dScale );