BitMiracle.LibJpeg.Classic.Internal.my_upsampler.h2v2_upsample C# (CSharp) Method

        private void h2v2_upsample(ref ComponentBuffer input_data)
        {
            ComponentBuffer output_data = m_color_buf[m_currentComponent];

            int inrow = 0;
            int outrow = 0;
            while (outrow < m_cinfo.m_max_v_samp_factor)
            {
                int row = m_upsampleRowOffset + inrow;
                int outIndex = 0;

                for (int col = 0; outIndex < m_cinfo.m_output_width; col++)
                {
                    byte invalue = input_data[row][col]; /* don't need GETJSAMPLE() here */
                    output_data[outrow][outIndex] = invalue;
                    outIndex++;
                    output_data[outrow][outIndex] = invalue;
                    outIndex++;
                }

                JpegUtils.jcopy_sample_rows(output_data, outrow, output_data, outrow + 1, 1, m_cinfo.m_output_width);
                inrow++;
                outrow += 2;
            }
        }