invert static method

List<double> invert()

Invert the colors

Implementation

static List<double> invert() {
  return <double>[
    -1,
    0,
    0,
    0,
    255,
    0,
    -1,
    0,
    0,
    255,
    0,
    0,
    -1,
    0,
    255,
    0,
    0,
    0,
    1,
    0,
  ];
}