Bug 142689 All the shadow colors can not be take effect.
All the background shadow colors can not be take effect. Steps: 1.Create a chart 2.Open chart builder, go to "Format Chart" tab, select "Chart Area", click "Title Format", set shadow color to red 3.Preview Actual Resutls: 1.Shadow color can not be displayed Expected Results: 1.Shadow color can be displayed
chart/org.eclipse.birt.chart.device.svg/src/org/eclipse/birt/chart/device/svg/SVGGraphics2D.java
if ( style == null )
			style = ""; 
		if ( paint == null )
		{
			if ( color == null )
				return;
			String alpha = alphaToString( color );
			if ( alpha != null )
				style += "fill-opacity:" + alpha + ";"; 
			element.setAttribute( "style", style + "fill:" + serializeToString( color ) + ";" ); 
		}
		else
		{
			if ( paint instanceof SVGGradientPaint )
				element.setAttribute( "style", style + "fill:url(#" + ( (SVGGradientPaint) paint ).getId( ) + ");" ); 
		}
		if (styleClass != null)
			element.setAttribute("class", styleClass); 
		if (id != null)
			element.setAttribute("id", id); 
		if (( clip != null ) && (!deferClipped))
			element.setAttribute( "clip-path", "url(#clip" + clip.hashCode( ) + ")" ); 
		
	}
	/**
	 * @returns the color definition in a string with the format: #RRGGBBAA:
	 *          RRGGBB are the color components in hexa in the range 00..FF AA
	 *          is the tranparency value in hexa in the range 00..FF ex: Solid
	 *          light gray : #777777
	 */