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!7

replace Submission with BackgroundPlus<CircleWithColor>.

module CircleFinder > DynImageSurface {
  int nCircles = 1;
  bool keepGoing;
  new Best<Submission> best;
  
  transient RGBImage original;
  transient Thread recognizerThread;
  transient ImageSurface isCircles;
  transient Submission rendered;
  
  S switchableFields() { ret "nCircles keepGoing"; }
  
  visualize {
    JSpinner spinner = liveValueSpinner(dm_fieldLiveValue('nCircles), 1, 50);
    main.onChange(spinner, r startRecognition );
    ret jvsplit(
      vgrid(super.visualize(), jscroll_centered(isCircles = imageSurface())),
      northAndCenter(
        withSideMargin(rightAlignedLine(
          dm_fieldCheckBox('keepGoing),
          jbutton("Start", r startRecognition),
          jbutton("Stop", r { cancelThread(recognizerThread) }),
          withLabel("Circles:", spinner))),
        dm_printLogComponent()));
  }

  start {
    if (!hasImage()) setImage(whiteImage(50, 50)); // so we can paste...
    onNewImage = r startRecognition;
    doEvery(1.0, r renderCircles);
  }
  
  double scoreImage(RGBImage image) {
    ret 100*(1.0-rgbDistance(image, original));
  }
  
  void startRecognition enter {
    cancelThread(recognizerThread);
    recognizerThread = startThread(r {
      BufferedImage image = getImage();
      final int w = image.getWidth(), h = image.getHeight();
      print("Starting recognition on " + w + "*" + h + " image");
      best = new Best;
      best.stringifier = f sfu;
      original = RGBImage(image);
      //new AIStrategy_RandomWithVariation<Submission> strategy;
      new AIStrategy_Racer_RandomWithVary<Submission> strategy;
      strategy.verbose = true;
      strategy.best = best;
      strategy.submit = func(Submission s) -> double { scoreImage(rgbRenderRenderable(w, h, s)) };
      strategy.random = func -> Submission { randomBackgroundPlusCircles(w, h, nCircles) };
      strategy.vary = func(Submission s) -> Submission { varyBackgroundPlusCircles(s, w, h) };
  
      if (keepGoing)
        runStrategyForever(best, strategy);
      else
        runStrategyWhileImprovement(best, strategy);
      print("Done");
      persistMe();
    });
  }
  
  void renderCircles enter {
    if (original != null && best! != rendered) {
      rendered = best!;
      isCircles.setImage(renderRenderable(original.w(), original.h(), rendered));
    }
  }
}