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
{
		fillArc( (double) arg0,
				(double) arg1,
				(double) arg2,
				(double) arg3,
				(double) arg4,
				(double) arg5 );
	}
	public void fillArc( double arg0, double arg1, double arg2, double arg3,
			double arg4, double arg5 )
	{
		currentElement = createArc( arg0, arg1, arg2, arg3, arg4, arg5 );
		appendChild( currentElement );
		setFillColor( currentElement );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see java.awt.Graphics#drawPolyline(int[], int[], int)
	 */
	public void drawPolyline( int[] arg0, int[] arg1, int arg2 )
	{
		currentElement = createPolyline( arg0, arg1, arg2 );
		appendChild( currentElement );
		setStrokeStyle( currentElement );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see java.awt.Graphics#drawPolygon(int[], int[], int)