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/GanttSeriesAttributeComposite.java
logger.log( e );
				e.printStackTrace( );
			}
		}
		this.series = (GanttSeries) series;
		this.context = context;
		init( );
		placeComponents( );
		ChartUIUtil.bindHelp( parent, ChartHelpContextIds.SUBTASK_YSERIES_GANTT );
	}
	private void init( )
	{
		this.setSize( getParent( ).getClientArea( ).width,
				getParent( ).getClientArea( ).height );
	}
	private void placeComponents( )
	{
		
		GridLayout glContent = new GridLayout( 2, false );
		glContent.marginHeight = 2;
		glContent.marginWidth = 2;
		glContent.horizontalSpacing = 0;
		
		this.setLayout( glContent );
		
		
		Composite cmpMarker = new Composite( this, SWT.NONE );
		{
			cmpMarker.setLayout( new GridLayout(  ));
			cmpMarker.setLayoutData( new GridData( GridData.FILL_BOTH ) );