getWhitest static method

Implementation

static int getWhitest(List<int> grayscaleRgba) {
  int value = 0;
  for (int i = 0, len = grayscaleRgba.length; i < len; i += 4) {
    if (grayscaleRgba[i] > value) value = grayscaleRgba[i];
  }
  return value;
}