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
*/
	public void drawPolygon( int[] arg0, int[] arg1, int arg2 )
	{
		currentElement = createPolygon( arg0, arg1, arg2 );
		appendChild( currentElement );
		setStrokeStyle( currentElement );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see java.awt.Graphics#fillPolygon(int[], int[], int)
	 */
	public void fillPolygon( int[] arg0, int[] arg1, int arg2 )
	{
		currentElement = createPolygon( arg0, arg1, arg2 );
		appendChild( currentElement );
		setFillColor( currentElement );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see java.awt.Graphics#drawImage(java.awt.Image, int, int,
	 *      java.awt.image.ImageObserver)
	 */
	public boolean drawImage( Image arg0, int arg1, int arg2, ImageObserver arg3 )
	{
		SVGImage image = (SVGImage) arg0;
		
		Element currentElement = createElement( "image" ); 
		currentElement.setAttribute( "xlink:href", image.getUrl( ) );