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
this.background = background;
	}
	/**
	 * @return Returns the clip.
	 */
	public Shape getClip( )
	{
		return clip;
	}
	/**
	 * @param clip
	 *            The clip to set.
	 */
	public void setClip( Shape clip )
	{
		this.clip = clip;
		if ( clip != null )
		{
			Element clipPath = dom.createElement( "clipPath" ); 
			clipPath.setAttribute( "id", "clip" + clip.hashCode( ) ); 
			clipPath.appendChild( createGeneralPath( clip ) );
			definitions.appendChild( clipPath );
		}
	}
	/**
	 * @return Returns the color.
	 */
	public Color getColor( )
	{
		return color;