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/CurveRenderer.java
loa[i] = LocationImpl.create( 0, 0 );
			}
		}
		if ( loa3d != null )
		{
			for ( int i = 0; i < 4; i++ )
			{
				loa3d[i] = Location3DImpl.create( 0, 0, 0 );
			}
		}
		lia = _lia;
		zeroLocation = _zeroLocation;
		bTranslucent = _bTranslucent;
		oSource = StructureSource.createSeries( _render.getSeries( ) );
		dc = _render.getDeferredCache( );
		this.iRender = _render;
		loStart = LocationImpl.create( 0, 0 );
		loEnd = LocationImpl.create( 0, 0 );
		bUseLastState = _bUseLastState;
		bKeepState = _bKeepState;
		if ( paletteEntry instanceof ColorDefinition && usePaletteLineColor )
		{
			lia = LineAttributesImpl.copyInstance( lia );
			lia.setColor( ColorDefinitionImpl.copyInstance( (ColorDefinition) paletteEntry ) );
		}
		if ( bFillArea && paletteEntry instanceof ColorDefinition )
		{
			
			fillColor = ColorDefinitionImpl.copyInstance( (ColorDefinition) paletteEntry );
			tapeColor = fillColor.brighter( );