static Color drawThoughtCircle_defaultColor = Color.white;

static void drawThoughtCircle(BufferedImage bg, BufferedImage img, double x, double y) {
  // TODO: crop to certain size
  BufferedImage circle = cutImageToCircle(img_addBorder(cutImageToCircle(img), drawThoughtCircle_defaultColor, 10));
  x -= circle.getWidth()/2;
  y -= circle.getHeight()/2;
  drawImageOnImage(circle, bg, iround(x), iround(y));
}