meta-for BWIntegralImage also as IBWIntegralImage {

  static BufferedImage scaledGrayImageFromBWIntegralImage(int w, BWIntegralImage img) {
    ret scaledGrayImageFromBWIntegralImage(img, w);
  }
  
  static BufferedImage scaledGrayImageFromBWIntegralImage(BWIntegralImage img, int w, int h default heightForWidth(img, w)) {
    byte[] pixels = scaledGrayBytesFromBWIntegralImage(img, w, h);
    ret newGrayBufferedImage(w, h, pixels);
  }

}

Began life as a copy of #1033302