if ((debugOptions & LOG_OPTION) != 0) { logStream().println(prefix() + " Drawing line: from (" + x1 + ", " + y1 + ") to (" + x2 + ", " + y2 + ")"); }
  public void drawLine(int x1, int y1, int x2, int y2)  {    graphics.drawLine(x1, y1, x2, y2);  }