Bug 315366 "Auto" for Curve Fitting Line is not black but transparent
Description: "Auto" for Curve Fitting Line is not black but transparent. Build number: 2.6.0.v20100602-0949 Steps to reproduce: 1. New a chart, in Format Chart->Series->Value (Y) Series, tick "Shown Curve Fitting Line", click "Curve Fitting Line" button. 2. Select "Auto" for Color. Expected result: The line is shown with color black. Actual result: The line disappears. Error log: N/A
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/series/PieSeriesAttributeComposite.java
}
		
		sRotation = new Slider( cmpRight, SWT.HORIZONTAL );
		{
			GridData gridData = new GridData( GridData.FILL_HORIZONTAL );
			gridData.horizontalSpan = 2;
			sRotation.setLayoutData( gridData );
			sRotation.setValues( (int) ( series.getRotation( ) ),
					0,
					360,
					1,
					1,
					10 );
			sRotation.setToolTipText( String.valueOf( series.getRotation( ) ) );
			sRotation.setEnabled( true );
			sRotation.addSelectionListener( this );
			sRotation.addListener( SWT.FocusOut, this );
			sRotation.addListener( SWT.KeyDown, this );
			sRotation.addListener( SWT.Traverse, this );
		}
		
		btnDirection = new Button( cmpRight, SWT.CHECK );
		{
			btnDirection.setText( Messages.getString("PieSeriesAttributeComposite.Button.Direction") ); 
			btnDirection.setToolTipText( Messages.getString("PieSeriesAttributeComposite.Button.Direction.ToolTipText") ); 
			btnDirection.addListener( SWT.Selection, this );
			btnDirection.setSelection( series.isClockwise( ) );
		}
		Group grpSlice = new Group( cmpRight, SWT.NONE );
		{