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 drawOval( int arg0, int arg1, int arg2, int arg3 )
	{
		drawOval( (double) arg0, (double) arg1, (double) arg2, (double) arg3 );
	}
	public void drawOval( double arg0, double arg1, double arg2, double arg3 )
	{
		currentElement = createOval( arg0, arg1, arg2, arg3 );
		appendChild( currentElement );
		setStrokeStyle( currentElement );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see java.awt.Graphics#fillOval(int, int, int, int)
	 */
	public void fillOval( int arg0, int arg1, int arg2, int arg3 )
	{
		fillOval( (double) arg0, (double) arg1, (double) arg2, (double) arg3 );
	}
	public void fillOval( double arg0, double arg1, double arg2, double arg3 )
	{
		currentElement = createOval( arg0, arg1, arg2, arg3 );
		appendChild( currentElement );
		setFillColor( currentElement );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see java.awt.Graphics#drawArc(int, int, int, int, int, int)
	 */