code: public Image decorateImage(Image image, Object obj)
  	{
  		if (image == null)
  			return null;
  
  		int adornmentFlags = computeAdornmentFlags(obj);
  		if (adornmentFlags != 0)
  		{
  			ImageDescriptor baseImage = new ImageImageDescriptor(image);
  			Rectangle bounds = image.getBounds();
  			return getRegistry().get(new VdmElementImageDescriptor(baseImage,
  					0,
  					new Point(bounds.width, bounds.height)));
  		}
  		return image;
  	}
docs: /*
  (non-Javadoc)
  
  @see ILabelDecorator#decorateImage(Image, Object)