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!7

srecord Entry(RGB color, double maxDistance) {}

cmodule LearnActiveTab > DynSingleFunctionWithPrintLog {
  LPair<RGBImage, Rect> scaledImages;
  
  void doIt {
    LPair<File, Rect> data = gatherMarkedThingInImages(listImageFiles(
      //ai_browserTabsTrainingDataDir()
      aiImageAlbumDir()
    ), "Active tab");
    pnlStruct(data);
    
    int gridSize = 4;
    scaledImages = new L;
    for (Pair<File, Rect> p : data) {
      BufferedImage img = loadImage2(p.a);
      RGBImage rgb = RGBImage(scaleImageWithFactor(1.0/gridSize, img));
      add(scaledImages, pair(rgb, scaleRect(p.b, 1.0/gridSize)));
    }
    
    RandomAndVary_Record<Entry> rav = new(Entry, 
      color := new RandomAndVary_RGB,
      maxDistance := new RandomAndVary_Double);
      
    Pair<Entry, Double> e = racerOptimize(rav, f<Entry, Double> score, minRuntimeUnless100 := 10.0);
    print(e);
    
    F1<Int, Bool> pred = CloseToColorPredicate(e.color.asInt(), e.maxDistance);
    showImage(mergeImagesVertically(map(pairsA(scaledImages), img -> renderColorPredicate(pred, img))));
  }
  
  double score(Entry e) {
    ret scoreRectDetectorByDistanceToColor(e.color, e.maxDistance, scaledImages);
  }
}