double offsetY = 0;
// RULB
CTX.beginPath();
CTX.rect(0, 0, WIDTH * 0.5, HEIGHT * 0.5);
CTX.closePath();
CTX.setFill(new LinearGradient(0, offsetY * HEIGHT,
0, 0.5 * HEIGHT + offsetY * HEIGHT,
false, CycleMethod.NO_CYCLE,
new Stop(0, Color.rgb(35, 35, 35)),