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
}
		else
		{
			bo.setLeft( ( dX + dLeftInset + 1 ) / dScale );
		}
		bo.setTop( ( dY + 1 + ( dFullHeight - dItemHeight ) / 2 ) / dScale );
		bo.setWidth( ( 3 * dItemHeight / 2 ) / dScale );
		bo.setHeight( ( dItemHeight - 2 ) / dScale );
		ScriptHandler.callFunction( sh,
				ScriptHandler.BEFORE_DRAW_LEGEND_ITEM,
				lerh,
				bo,
				getRunTimeContext( ).getScriptContext( ) );
		getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.BEFORE_DRAW_LEGEND_ITEM,
				lerh );
		bo.setLeft( bo.getLeft( ) * dScale );
		bo.setTop( bo.getTop( ) * dScale );
		bo.setWidth( bo.getWidth( ) * dScale );
		bo.setHeight( bo.getHeight( ) * dScale );
		final BaseRenderer br = lirh.getRenderer( );
		br.renderLegendGraphic( ipr, lg, fPaletteEntry, bo );
		final TextRenderEvent tre = (TextRenderEvent) ( (EventObjectCache) ir ).getEventObject( StructureSource.createLegend( lg ),
				TextRenderEvent.class );
		double dLaAngle = la.getCaption( ).getFont( ).getRotation( );
		if ( isRightToLeft( ) )
		{
			dLaAngle = -dLaAngle;
		}
		double dDeltaHeight = 0;
		if ( dLaAngle > 0 && dLaAngle < 90 )