this.player = player; rfb = player.rfb;
this.appClass = player; rfb = appClass.rfb;
  VncCanvas(RfbPlayer player) throws IOException {    this.player = player;    rfb = player.rfb;    seekMode = false;    cm24 = new DirectColorModel(24, 0xFF0000, 0x00FF00, 0x0000FF);    updateFramebufferSize();    setBackground(Color.white);  }