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
{
			dDeltaHeight = ( bo.getHeight( ) + dFullHeight - dItemHeight ) / 2;
		}
		else if ( dLaAngle < 0 && dLaAngle > -90 )
		{
			dDeltaHeight = ( bo.getHeight( ) - dFullHeight + dItemHeight ) / 2;
		}
		else if ( dLaAngle == 0 || dLaAngle == 90 || dLaAngle == -90 )
		{
			dDeltaHeight = bo.getHeight( ) / 2;
		}
		if ( isRightToLeft( ) )
		{
			tre.setLocation( LocationImpl.create( dX
					+ dColumnWidth
					- dLeftInset
					- 3
					* dItemHeight
					/ 2
					- dHorizontalSpacing, bo.getTop( ) + dDeltaHeight ) );
			tre.setTextPosition( TextRenderEvent.LEFT );
		}
		else
		{
			tre.setLocation( LocationImpl.create( dX
					+ dLeftInset
					+ ( 3 * dItemHeight / 2 )
					+ dHorizontalSpacing, bo.getTop( ) + dDeltaHeight ) );
			tre.setTextPosition( TextRenderEvent.RIGHT );
		}