protected void backgroundFromCalc() {
    backgroundR = calcR;
    backgroundG = calcG;
    backgroundB = calcB;
    backgroundA = (format == RGB) ? colorModeA : calcA;
    backgroundRi = calcRi;
    backgroundGi = calcGi;
    backgroundBi = calcBi;
    backgroundAi = (format == RGB) ? 255 : calcAi;
    backgroundAlpha = (format == RGB) ? false : calcAlpha;
    backgroundColor = calcColor;

    backgroundImpl();
  }