Bug 145144 SVG Interactivity cannot highlight gradient colors
Create any SVG Chart with gradient colors on the series palette. Add interactivity on series to highlight them on mouseover for instance (or mouse click) The highlight doesn't work. It works for plain colors only.
chart/org.eclipse.birt.chart.device.svg/src/org/eclipse/birt/chart/device/svg/SVGGraphics2D.java
}
		elem.setAttribute("style", style);
		if ( transforms.getType( ) != AffineTransform.TYPE_IDENTITY )
		{
			double[] matrix = new double[6];
			transforms.getMatrix( matrix );
			elem.setAttribute( "transform", "matrix(" + matrix[0] + "," + matrix[1] + "," + matrix[2] + "," + matrix[3] + "," + matrix[4] + "," + matrix[5] + ")" ); 
		}
		
		return elem;
	}
	
	protected String getRenderingStyle(Object key){
		Object value = renderingHints.get(key);
		if (key.equals(RenderingHints.KEY_TEXT_ANTIALIASING)){
			if (value.equals(RenderingHints.VALUE_TEXT_ANTIALIAS_OFF))
				return "text-rendering:optimizeSpeed;"; 
			else
				
				return "";   
		}
		return ""; 	
	}
	protected Element createRect( double arg0, double arg1, double arg2,
			double arg3 )
	{
		Element elem = createElement( "rect" ); 
		elem.setAttribute( "x", Double.toString( arg0 ) ); 
		elem.setAttribute( "y", Double.toString( arg1 ) ); 
		elem.setAttribute( "width", Double.toString( arg2 ) );