static BWImage scaledBWImageFromBWIntegralImage(int w, IBWIntegralImage img) {
  ret scaledBWImageFromBWIntegralImage(img, w);
}

static BWImage scaledBWImageFromBWIntegralImage(IBWIntegralImage img, int w, int h default heightForWidth(img, w)) {
  ScaledBWImageFromBWIntegralImage op = new(img, w, h);
  op.run();
  ret op.result;
}

static BWImage scaledBWImageFromBWIntegralImage(int w, int h, IBWImage img) {
  ret scaledBWImageFromBWIntegralImage(w, h, toIBWIntegralImage(img));
}