Lines Matching full:rgbtogray
237 static int RGBToGray(int r, int g, int b) {273 const int W = RGBToGray(r, g, b);287 diff += abs(RGBToGray(r_avg, g_avg, b_avg) - W);522 W = RGBToGray(best_uv[off + 0], best_uv[off + 1], best_uv[off + 2]);
