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
}
		else
			this.paint = paint;
	}
	/***************************************************************************
	 * Factory Methods
	 **************************************************************************/
	protected Element createGradientPaint( SVGGradientPaint paint )
	{
		Element elem = dom.createElement( "linearGradient" ); 
		elem.setAttribute( "id", paint.getId( ) ); 
		elem.setAttribute( "x1", Double.toString( paint.getPoint1( ).getX( ) ) ); 
		elem.setAttribute( "y1", Double.toString( paint.getPoint1( ).getY( ) ) ); 
		elem.setAttribute( "x2", Double.toString( paint.getPoint2( ).getX( ) ) ); 
		elem.setAttribute( "y2", Double.toString( paint.getPoint2( ).getY( ) ) ); 
		elem.setAttribute( "gradientUnits", "userSpaceOnUse" ); 
		if ( paint.isCyclic( ) )
			elem.setAttribute( "spreadMethod", "repeat" ); 
		Element startColor = dom.createElement( "stop" ); 
		startColor.setAttribute( "offset", "0%" ); 
		startColor.setAttribute( "stop-color", serializeToString( paint.getColor1( ) ) ); 
		elem.appendChild( startColor );
		Element endColor = dom.createElement( "stop" ); 
		endColor.setAttribute( "offset", "100%" ); 
		endColor.setAttribute( "stop-color", serializeToString( paint.getColor2( ) ) ); 
		elem.appendChild( endColor );
		return elem;
	}
	protected Element createLine( double arg0, double arg1, double arg2,
			double arg3 )