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!7

cmodule2 FindLineInCenter > DynWebCamAnalyzer {
  transient BWIntegralImage ii;
  transient OCRCompass c;
  switchable bool lineIsBright = true;
  switchable int angles = 6;
  switchable int radius = 50;
  
  // add controls
  afterVisualize {
    containerAddFirst(buttons, dm_checkBox lineIsBright(),
      dm_spinnerWithLabel angles(2, 24), dm_spinnerWithLabel radius(1, 80));
  }
  
  void analyzeImage() {
    ii = new BWIntegralImage(inputImage);
    c = new OCRCompass;
    c.steps = angles*2;
    c.brightForeground = lineIsBright;
    c.image = ii;
    c.center = pt(w/2, h/2);
    c.radius = min(w, h)/2.0*radius/100;
    overlays = ll(c);
  }
}