iTextSharp.text.pdf.codec.TIFFFaxDecompressor.FindNextLine C# (CSharp) Метод

        private int FindNextLine()
        {
            // Set maximum and current bit index into the compressed data.
            int bitIndexMax = data.Length * 8 - 1;
            int bitIndexMax12 = bitIndexMax - 12;
            int bitIndex = bytePointer * 8 + bitPointer;

            // Loop while at least 12 bits are available.
            while (bitIndex <= bitIndexMax12) {
                // Get the next 12 bits.
                int next12Bits = NextNBits(12);
                bitIndex += 12;

                // Loop while the 12 bits are not unity, i.e., while the EOL
                // has not been reached, and there is at least one bit left.
                while (next12Bits != 1 && bitIndex < bitIndexMax) {
                    next12Bits =
                            ((next12Bits & 0x000007ff) << 1)
                            | (NextLesserThan8Bits(1) & 0x00000001);
                    bitIndex++;
                }

                if (next12Bits == 1) { // now positioned just after EOL
                    if (oneD == 1) { // two-dimensional coding
                        if (bitIndex < bitIndexMax) {
                            // check next bit against type of line being sought
                            return NextLesserThan8Bits(1);
                        }
                    } else {
                        return 1;
                    }
                }
            }

            // EOL not found.
            throw new Exception();
        }