BitMiracle.LibJpeg.Classic.Internal.jpeg_d_coef_controller.jpeg_d_coef_controller C# (CSharp) Method

        public jpeg_d_coef_controller(jpeg_decompress_struct cinfo, bool need_full_buffer)
        {
            m_cinfo = cinfo;

            /* Create the coefficient buffer. */
            if (need_full_buffer)
            {
                /* Allocate a full-image virtual array for each component, */
                /* padded to a multiple of samp_factor DCT blocks in each direction. */
                /* Note we ask for a pre-zeroed array. */
                for (int ci = 0; ci < cinfo.m_num_components; ci++)
                {
                    m_whole_image[ci] = jpeg_common_struct.CreateBlocksArray(
                        JpegUtils.jround_up(cinfo.Comp_info[ci].Width_in_blocks, cinfo.Comp_info[ci].H_samp_factor),
                        JpegUtils.jround_up(cinfo.Comp_info[ci].height_in_blocks, cinfo.Comp_info[ci].V_samp_factor));
                    m_whole_image[ci].ErrorProcessor = cinfo;
                }

                m_useDummyConsumeData = false;
                m_decompressor = DecompressorType.Ordinary;
                m_coef_arrays = m_whole_image; /* link to virtual arrays */
            }
            else
            {
                /* We only need a single-MCU buffer. */
                for (int i = 0; i < JpegConstants.D_MAX_BLOCKS_IN_MCU; i++)
                    m_MCU_buffer[i] = new JBLOCK();

                m_useDummyConsumeData = true;
                m_decompressor = DecompressorType.OnePass;
                m_coef_arrays = null; /* flag for no virtual arrays */
            }
        }