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

defaultRefBlackWhite() private static method

private static defaultRefBlackWhite ( TiffDirectory td ) : void
td TiffDirectory
return void
        private static void defaultRefBlackWhite(TiffDirectory td)
        {
            td.td_refblackwhite = new float[6];
            if (td.td_photometric == Photometric.YCBCR)
            {
                // YCbCr (Class Y) images must have the ReferenceBlackWhite tag set. Fix the
                // broken images, which lacks that tag.
                td.td_refblackwhite[0] = 0.0F;
                td.td_refblackwhite[1] = td.td_refblackwhite[3] = td.td_refblackwhite[5] = 255.0F;
                td.td_refblackwhite[2] = td.td_refblackwhite[4] = 128.0F;
            }
            else
            {
                // Assume RGB (Class R)
                for (int i = 0; i < 3; i++)
                {
                    td.td_refblackwhite[2 * i + 0] = 0;
                    td.td_refblackwhite[2 * i + 1] = (float)((1L << td.td_bitspersample) - 1L);
                }
            }
        }
Tiff