code: protected BufferedImage transform(BufferedImage image) {
  		if (image != null) {
  			WebcamImageTransformer tr = getImageTransformer();
  			if (tr != null) {
  				return tr.transform(image);
  			}
  		}
  		return image;
  	}
docs: TRansform image using image transformer. If image transformer has not been set, this method
  return instance passed in the argument, without any modifications.
  
  @param image the image to be transformed
  @return Transformed image (if transformer is set)