toGrayscalePixelsFromRgba static method

List<int> toGrayscalePixelsFromRgba(
  1. List<int> rgba
)

Implementation

static List<int> toGrayscalePixelsFromRgba(List<int> rgba) {
  return List<int>.generate(rgba.length ~/ 4,
      (index) => ImageHelper.getColorFromByte(rgba, index * 4));
}