public final boolean is888() {
    if (!trueColour)
      return false;
    if (bpp != 32)
      return false;
    if (depth != 24)
      return false;
    if (redMax != 255)
      return false;
    if (greenMax != 255)
      return false;
    if (blueMax != 255)
      return false;

    return true;
  }