!7

static int size = 50;

p {
  repeat with ms sleep 100 {
    RGBImage orig = rgbShootScreen(rectAround(mousePointer(), size, size));
    RGBImage img = new RGBImage(size, size, Color.white);
    int radius = size/2-2;
    for (Pt p : circlePoints(size/2, size/2, radius))
      img.setPixel(p, orig.getPixel(p));
    alwaysOnTop(quickShowZoomedImage(img));
  }
}