pixelBrightness static method

int pixelBrightness(
  1. int rgbPixel
)

Implementation

static int pixelBrightness(int rgbPixel) {
  int r = (rgbPixel & 0xFF0000) >> 16;
  int g = (rgbPixel & 0xFF00) >> 8;
  int b = rgbPixel & 0xFF;
  int level = ((r + g + b) / 3).round();
  return level;
}