setFillColor(tpOn, darker);
tpOn.rectangle(0, 0, width, height);
tpOn.fill();
}
tpOn.moveTo(width / 2 - sLen / 2, height / 2 - sLen / 2);
tpOn.lineTo(width / 2 + sLen / 2, height / 2 + sLen / 2);
tpOn.moveTo(width / 2 - sLen / 2, height / 2 + sLen / 2);
tpOn.lineTo(width / 2 + sLen / 2, height / 2 - sLen / 2);
tpOn.stroke();