Bug 312531 Highlight works differently when run SvgInteractivityViewer.java [13]
chart/org.eclipse.birt.chart.device.svg/src/org/eclipse/birt/chart/device/svg/SVGGraphics2D.java
/*
	 * (non-Javadoc)
	 * 
	 * @see java.awt.Graphics2D#drawString(java.lang.String, float, float)
	 */
	public void drawString( String arg0, float arg1, float arg2 )
	{
		drawString( arg0, toString( arg1 ), toString( arg2 ) );
	}
	/*
	 * (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 )
	{
		logger.log( new Exception( Messages.getString( "SVGGraphics2D.drawString.AttributeFloat" ) ) );