code: @Override
      public void gimp(BufferedImage image) {
          RippleFilter filter = new RippleFilter();
          filter.setWaveType(RippleFilter.SINE);
          filter.setXAmplitude(2.6f);
          filter.setYAmplitude(1.7f);
          filter.setXWavelength(15);
          filter.setYWavelength(5);
  
          filter.filter(image, image);
      }
docs: {@inheritDoc}
  
  Apply a RippleFilter to the image.