brightness static method

List<double> brightness(double value)

Implementation

static List<double> brightness(double value) {
  value = value <= 0 ? value * 255 : value * 100;
  if (value == 0) {
    return [1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0];
  }
  return [
    1,
    0,
    0,
    0,
    value,
    0,
    1,
    0,
    0,
    value,
    0,
    0,
    1,
    0,
    value,
    0,
    0,
    0,
    1,
    0
  ];
}