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
setStrokeStyle( currentElement );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see java.awt.Graphics2D#drawImage(java.awt.Image,
	 *      java.awt.geom.AffineTransform, java.awt.image.ImageObserver)
	 */
	public boolean drawImage( Image arg0, AffineTransform arg1,
			ImageObserver arg2 )
	{
		logger.log( new Exception( Messages.getString( "SVGGraphics2D.drawImage.image" ) ) ); 
		return false;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see java.awt.Graphics2D#drawImage(java.awt.image.BufferedImage,
	 *      java.awt.image.BufferedImageOp, int, int)
	 */
	public void drawImage( BufferedImage arg0, BufferedImageOp arg1, int arg2,
			int arg3 )
	{
		logger.log( new Exception( Messages.getString( "SVGGraphics2D.drawImage.buffer" ) ) ); 
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see java.awt.Graphics2D#drawRenderedImage(java.awt.image.RenderedImage,
	 *      java.awt.geom.AffineTransform)