sclass ParameterizedSegmenter implements IF1<BufferedImage, L<Rect>> {
  !include #1024657 // Image Segmenter Parameters
  
  // input
  transient BufferedImage image;
  
  // output
  transient BufferedImage filteredImage1; // before distanceToColor
  transient BufferedImage filteredImage;
  transient L<Rect> segments;
  
  run {
    BufferedImage image = this.image;
    int w = image.getWidth(), h = image.getHeight();
    filteredImage = null;
    if (filterLevel != 0)
      if (eq(filter, 'blur))
        image = filteredImage = new BoxBlurFilter(filterLevel).filter(image, null);
      else if (eq(filter, 'min))
        image = filteredImage = new MinimumFilter(filterLevel).filter(image, null);
      else if (eq(filter, 'max))
        image = filteredImage = new MaximumFilter(filterLevel).filter(image, null);
      else
        print("Unknown filter type: " + filter);
    filteredImage1 = filteredImage;

    new AutoSegmenter as;
    as.g = gridSize;
    as.contrastThreshold = contrastThreshold;
    BWImage bw;
    if (distanceFromColor) {
      bw = img_distanceFromColor_withGain(image, rgbFromInts(dc_r, dc_g, dc_b), dc_gain);
      filteredImage = bw.getBufferedImage();
    } else
      bw = BWImage(image);
    segments = as.go(bw);
    IntRange wr = doubleToIntRange_endPlus1(w, widthRange);
    IntRange hr = doubleToIntRange_endPlus1(h, heightRange);
    IntRange xr = doubleToIntRange_endPlus1(w, xRange);
    IntRange yr = doubleToIntRange_endPlus1(h, yRange);
    segments = filterRectsByWidthRange(segments, wr);
    segments = filterRectsByHeightRange(segments, hr);
    segments = filterRectsByCenterXRange(segments, xr);
    segments = filterRectsByCenterYRange(segments, yr);
  }
  
  public L<Rect> get(BufferedImage img) {
    image = img;
    run();
    ret segments;
  }
  
  void distanceFromColor(RGB color) {
    distanceFromColor = true;
    dc_r = color.redInt();
    dc_g = color.greenInt();
    dc_b = color.blueInt();
  }
  
  public ParameterizedSegmenter clone() {
    ret shallowNonTransientClone(this);
  }
  
  toString { ret sfu(this); }
}