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
* 
	 * @see java.awt.Graphics2D#drawString(java.lang.String, float, float)
	 */
	public void drawString( String arg0, float arg1, float arg2 )
	{
		currentElement = this.createText(arg0);
		currentElement.setAttribute( "x", Float.toString(arg1) ); 
		currentElement.setAttribute( "y", Float.toString(arg2) ); 
		
		appendChild(currentElement);
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see java.awt.Graphics#drawString(java.text.AttributedCharacterIterator,
	 *      int, int)
	 */
	public void drawString( AttributedCharacterIterator arg0, int arg1, int arg2 )
	{
		logger.log( new Exception( Messages.getString( "SVGGraphics2D.drawString.AttributeInt" ) ) ); 
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see java.awt.Graphics2D#drawString(java.text.AttributedCharacterIterator,
	 *      float, float)
	 */
	public void drawString( AttributedCharacterIterator arg0, float arg1,
			float arg2 )
	{