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!7

replace Submission with BackgroundPlus<BoxWithColor>.

cmodule2 BoxFinder > DynImageSurfaceAndEnabled {
  switchable int imageSize = 1000;
  switchable int warmups = 10; // per round
  switchable int initialWarmups = 100000;
  ExpectedAndActual<Pair<Pt>> lastError;
  
  transient Pair<Pt> actual, recognized;
  transient BWIntegralImage ii;
  transient ImageSurface isReconstructed;
  transient S status;
  transient new Scorer scorer;
  transient new Average recTime;
  transient NotTooOften clearRecTime = nto_everyTenSeconds();
  transient long rounds;
  
  visual 
    centerAndSouthWithMargin(
      jhgrid(super,
        jscroll_centered(isReconstructed = imageSurface())),
      dm_label status());

  start {
    thread "Calc" enter {
      while (true) {
        if (deleted()) ret;
        if (!enabled) continue with sleepSeconds(1);
        pcall {
          if (clearRecTime!) recTime.clear();
          makeImage();
          recognize();
          score();
          reconstruct();
          status();
        }
      }
    }
  }
  
  void makeImage {
    Pt a = randomPt(imageSize), b = randomPt(imageSize);
    LineWithColor line = new(a, b, Color.black, 1);
    BufferedImage img = renderBackgroundPlusLines(imageSize, imageSize, new BackgroundPlus(Color.white, line));
    setImage(img);
    ii = new BWIntegralImage(img);
    actual = sortedPair(a, b);
  }
  
  void recognize {
    int w = rounds == 0 ? initialWarmups : warmups;
    ++rounds;
    repeat w { bwii_detectSingleLine(ii); }
    long time = nanoTime();
    Pair<Pt> output = bwii_detectSingleLine(ii);
    recTime.add(nanoTime()-time);
    recognized = sortedPair(output);
  }
  
  void score {
    bool ok = eq(actual, recognized);
    scorer.add(ok);
    if (!ok) setField(lastError := ExpectedAndActual(actual, recognized));
  }
  
  void reconstruct {
    BufferedImage img = renderBackgroundPlusLines(imageSize, imageSize, new BackgroundPlus(Color.white, LineWithColor(actual.a, actual.b, Color.black, 1)));
    isReconstructed.setImage(img);
  }
  
  void status {
    setField(status := joinNemptiesWithComma(
      str(scorer),
      "recognition time: " + iround(recTime!) + " ns",
      lastError == null ?: "last error: " + lastError));
  }
}