ScreenToGif.Encoding.NeuQuant.ColorMap C# (CSharp) Method

        private byte[] ColorMap()
        {
            var map = new byte[3 * Netsize];
            var index = new int[Netsize];

            for (int i = 0; i < Netsize; i++)
                index[_network[i][3]] = i;

            int k = 0;
            for (int i = 0; i < Netsize; i++)
            {
                int j = index[i];
                map[k++] = (byte)(_network[j][0]);
                map[k++] = (byte)(_network[j][1]);
                map[k++] = (byte)(_network[j][2]);
            }

            return map;
        }