Bug 314190 The outline works differently for scatter chart and line chart when the series palette use Pattern [13]
chart/org.eclipse.birt.chart.engine.extension/src/org/eclipse/birt/chart/extension/render/Scatter.java
false,
					true,
					fPaletteEntry,
					ss.isPaletteLineColor( ),
					true );
			cr.draw( ipr );
			renderShadowAsCurve( ipr, lia, srh, goFactory.createLocations( faX,
					faY ), false, -1 );
			
			if ( m != null )
			{
				for ( int i = 0; i < dpha.length; i++ )
				{
					if ( dpha[i].isOutside( ) )
					{
						continue;
					}
					
					if ( bPaletteByCategory )
					{
						fPaletteEntry = FillUtil.getPaletteFill( elPalette, i );
					}
					else
					{
						fPaletteEntry = FillUtil.getPaletteFill( elPalette,
								iThisSeriesIndex );
					}
					updateTranslucency( fPaletteEntry, ss );
					
					ScriptHandler.callFunction( sh,