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

        private bool byteCountLooksBad(TiffDirectory td)
        {
            /*
             * Assume we have wrong StripByteCount value (in case of single strip) in
             * following cases:
             *   - it is equal to zero along with StripOffset;
             *   - it is larger than file itself (in case of uncompressed image);
             *   - it is smaller than the size of the bytes per row multiplied on the
             *     number of rows.  The last case should not be checked in the case of
             *     writing new image, because we may do not know the exact strip size
             *     until the whole image will be written and directory dumped out.
             */
            return
            (
                (td.td_stripbytecount[0] == 0 && td.td_stripoffset[0] != 0) ||
                (td.td_compression == Compression.NONE && td.td_stripbytecount[0] > getFileSize() - td.td_stripoffset[0]) ||
                (m_mode == O_RDONLY && td.td_compression == Compression.NONE && td.td_stripbytecount[0] < ScanlineSize() * td.td_imagelength)
            );
        }