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!7

!include once #1025225 // Shared IntegralImage

cmodule FindConstantArea > DynImageSurface {
  switchable int displayWidth = 100, cubeSize = 40;
  transient Rect area; // area currently looked at
  transient RGB lastColor;
  
  start {
    dm_vmBus_onMessage_q newScreenshotInStream(voidfunc(O mod, virtual Screenshot ss) {
      IntegralImage ii = cast rget integralImage(ss);
      setImage(scaledBufferedImageFromIntegralImage(displayWidth, ii));
      if (area == null) area = randomRect(cubeSize, cubeSize, ii_rect(ii));
      setSelection(area);
      RGB color = ii_averageColorOfArea(ii, area);
      if (lastColor != null) {
        if (eq(color, lastColor))
          print("Same color!");
        else {
          print("New color. Switching area.");
          area = null;
        }
        lastColor = color;
      }
    });
    pnlWithHeading("Images found in " + programDir(), listImagesInProgramDir());
  }
}