BitMiracle.LibTiff.Classic.Tiff.defaultTransferFunction C# (CSharp) Method

        private static bool defaultTransferFunction(TiffDirectory td)
        {
            short[][] tf = td.td_transferfunction;
            tf[0] = null;
            tf[1] = null;
            tf[2] = null;

            if (td.td_bitspersample >= sizeof(int) * 8 - 2)
                return false;

            int n = 1 << td.td_bitspersample;
            tf[0] = new short [n];
            tf[0][0] = 0;
            for (int i = 1; i < n; i++)
            {
                double t = (double)i / ((double)n - 1.0);
                tf[0][i] = (short)Math.Floor(65535.0 * Math.Pow(t, 2.2) + 0.5);
            }

            if (td.td_samplesperpixel - td.td_extrasamples > 1)
            {
                tf[1] = new short [n];
                Buffer.BlockCopy(tf[0], 0, tf[1], 0, tf[0].Length * sizeof(short));

                tf[2] = new short [n];
                Buffer.BlockCopy(tf[0], 0, tf[2], 0, tf[0].Length * sizeof(short));
            }

            return true;
        }