Пример #1
0
        public static float[] GetRGBManhattanLengthTo(this Bitmap a, Bitmap b)
        {
            if (a.Width != b.Width || a.Height != b.Height)
            {
                throw new ArgumentException("bitmaps must be of same size", nameof(b));
            }

            var mlenghs = new List <float>();

            for (int i = 0; i < a.Data.Length; i += 4)
            {
                var av = a.Data.GetVec4(i);
                var bv = b.Data.GetVec4(i);

                bool isTransparent = av.W == 0 || bv.W == 0;

                var rgb = isTransparent ? 0.0f : Vec4.Abs(bv - av)
                          .GetVec3()
                          .LengthManhattan();

                mlenghs.Add(rgb);
            }

            return(mlenghs.ToArray());
        }