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
Element tempDeferred = null;
		if (!defered){
			tempDeferred = deferStrokColor;
			deferStrokColor = null;
		}
		currentElement = createGeneralPath( shape );
		appendChild( currentElement );
		setFillColor( currentElement );
		if (!defered){
			deferStrokColor = tempDeferred;
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see java.awt.Graphics2D#fill(java.awt.Shape)
	 */
	public void fill( Shape shape )
	{
		currentElement = createGeneralPath( shape );
		appendChild( currentElement );
		setFillColor( currentElement );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see java.awt.Graphics2D#hit(java.awt.Rectangle, java.awt.Shape, boolean)
	 */
	public boolean hit( Rectangle arg0, Shape arg1, boolean arg2 )
	{