    /*
     * jcparam.c
     *
     * Copyright (C) 1991-1998, Thomas G. Lane.
     * Modified 2003-2022 by Guido Vollbeding.
     * This file is part of the Independent JPEG Group's software.
     * For conditions of distribution and use, see the accompanying README file.
     *
     * This file contains optional default-setting code for the JPEG compressor.
     * Applications do not have to use this file, but those that don't use it
     * must know a lot more about the innards of the JPEG code.
     */

    #define JPEG_INTERNALS
    #include "jinclude.h"
    #include "jpeglib.h"

    /*
     * Quantization table setup routines
     */

    GLOBAL(void)
    jpeg_add_quant_table (j_compress_ptr cinfo, int which_tbl,
    		      const unsigned int *basic_table,
    		      int scale_factor, boolean force_baseline)
    /* Define a quantization table equal to the basic_table times
     * a scale factor (given as a percentage).
     * If force_baseline is TRUE, the computed quantization table entries
     * are limited to 1..255 for JPEG baseline compatibility.
     */
    {
      JQUANT_TBL ** qtblptr;
      int i;
      long temp;

      /* Safety check to ensure start_compress not called yet. */
      if (cinfo->global_state != CSTATE_START)
        ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);

      if (which_tbl < 0 || which_tbl >= NUM_QUANT_TBLS)
        ERREXIT1(cinfo, JERR_DQT_INDEX, which_tbl);

      qtblptr = & cinfo->quant_tbl_ptrs[which_tbl];

      if (*qtblptr == NULL)
        *qtblptr = jpeg_alloc_quant_table((j_common_ptr) cinfo);

      for (i = 0; i < DCTSIZE2; i++) {
        temp = ((long) basic_table[i] * scale_factor + 50L) / 100L;
        /* limit the values to the valid range */
        if (temp <= 0L) temp = 1L;
        if (temp > 32767L) temp = 32767L; /* max quantizer needed for 12 bits */
        if (force_baseline && temp > 255L)
          temp = 255L;		/* limit to baseline range if requested */
        (*qtblptr)->quantval[i] = (UINT16) temp;
      }

      /* Initialize sent_table FALSE so table will be written to JPEG file. */
      (*qtblptr)->sent_table = FALSE;
    }

    /* These are the sample quantization tables given in JPEG spec section K.1.
     * NOTE: chrominance DC value is changed from 17 to 16 for lossless support.
     * The spec says that the values given produce "good" quality,
     * and when divided by 2, "very good" quality.
     */
    static const unsigned int std_luminance_quant_tbl[DCTSIZE2] = {
      16,  11,  10,  16,  24,  40,  51,  61,
      12,  12,  14,  19,  26,  58,  60,  55,
      14,  13,  16,  24,  40,  57,  69,  56,
      14,  17,  22,  29,  51,  87,  80,  62,
      18,  22,  37,  56,  68, 109, 103,  77,
      24,  35,  55,  64,  81, 104, 113,  92,
      49,  64,  78,  87, 103, 121, 120, 101,
      72,  92,  95,  98, 112, 100, 103,  99
    };
    static const unsigned int std_chrominance_quant_tbl[DCTSIZE2] = {
      16,  18,  24,  47,  99,  99,  99,  99,
      18,  21,  26,  66,  99,  99,  99,  99,
      24,  26,  56,  99,  99,  99,  99,  99,
      47,  66,  99,  99,  99,  99,  99,  99,
      99,  99,  99,  99,  99,  99,  99,  99,
      99,  99,  99,  99,  99,  99,  99,  99,
      99,  99,  99,  99,  99,  99,  99,  99,
      99,  99,  99,  99,  99,  99,  99,  99
    };

    GLOBAL(void)
    jpeg_default_qtables (j_compress_ptr cinfo, boolean force_baseline)
    /* Set or change the 'quality' (quantization) setting, using default tables
     * and straight percentage-scaling quality scales.
     * This entry point allows different scalings for luminance and chrominance.
     */
    {
      /* Set up two quantization tables using the specified scaling */
      jpeg_add_quant_table(cinfo, 0, std_luminance_quant_tbl,
    		       cinfo->q_scale_factor[0], force_baseline);
      jpeg_add_quant_table(cinfo, 1, std_chrominance_quant_tbl,
    		       cinfo->q_scale_factor[1], force_baseline);
    }

    GLOBAL(void)
    jpeg_set_linear_quality (j_compress_ptr cinfo, int scale_factor,
    			 boolean force_baseline)
    /* Set or change the 'quality' (quantization) setting, using default tables
     * and a straight percentage-scaling quality scale.  In most cases it's better
     * to use jpeg_set_quality (below); this entry point is provided for
     * applications that insist on a linear percentage scaling.
     */
    {
      /* Set up two quantization tables using the specified scaling */
      jpeg_add_quant_table(cinfo, 0, std_luminance_quant_tbl,
    		       scale_factor, force_baseline);
      jpeg_add_quant_table(cinfo, 1, std_chrominance_quant_tbl,
    		       scale_factor, force_baseline);
    }

    GLOBAL(int)
    jpeg_quality_scaling (int quality)
    /* Convert a user-specified quality rating to a percentage scaling factor
     * for an underlying quantization table, using our recommended scaling curve.
     * The input 'quality' factor should be 0 (terrible) to 100 (very good).
     */
    {
      /* Safety limit on quality factor.  Convert 0 to 1 to avoid zero divide. */
      if (quality <= 0) quality = 1;
      if (quality > 100) quality = 100;

      /* The basic table is used as-is (scaling 100) for a quality of 50.
       * Qualities 50..100 are converted to scaling percentage 200 - 2*Q;
       * note that at Q=100 the scaling is 0, which will cause jpeg_add_quant_table
       * to make all the table entries 1 (hence, minimum quantization loss).
       * Qualities 1..50 are converted to scaling percentage 5000/Q.
       */
      if (quality < 50)
        quality = 5000 / quality;
      else
        quality = 200 - quality*2;

      return quality;
    }

    GLOBAL(void)
    jpeg_set_quality (j_compress_ptr cinfo, int quality, boolean force_baseline)
    /* Set or change the 'quality' (quantization) setting, using default tables.
     * This is the standard quality-adjusting entry point for typical user
     * interfaces; only those who want detailed control over quantization tables
     * would use the preceding routines directly.
     */
    {
      /* Convert user 0-100 rating to percentage scaling */
      quality = jpeg_quality_scaling(quality);

      /* Set up standard quality tables */
      jpeg_set_linear_quality(cinfo, quality, force_baseline);
    }

    /*
     * Reset standard Huffman tables
     */

    LOCAL(void)
    std_huff_tables (j_compress_ptr cinfo)
    {
      if (cinfo->dc_huff_tbl_ptrs[0] != NULL)
        (void) jpeg_std_huff_table((j_common_ptr) cinfo, TRUE, 0);

      if (cinfo->ac_huff_tbl_ptrs[0] != NULL)
        (void) jpeg_std_huff_table((j_common_ptr) cinfo, FALSE, 0);

      if (cinfo->dc_huff_tbl_ptrs[1] != NULL)
        (void) jpeg_std_huff_table((j_common_ptr) cinfo, TRUE, 1);

      if (cinfo->ac_huff_tbl_ptrs[1] != NULL)
        (void) jpeg_std_huff_table((j_common_ptr) cinfo, FALSE, 1);
    }

    /*
     * Default parameter setup for compression.
     *
     * Applications that don't choose to use this routine must do their
     * own setup of all these parameters.  Alternately, you can call this
     * to establish defaults and then alter parameters selectively.  This
     * is the recommended approach since, if we add any new parameters,
     * your code will still work (they'll be set to reasonable defaults).
     */

    GLOBAL(void)
    jpeg_set_defaults (j_compress_ptr cinfo)
    {
      int i;

      /* Safety check to ensure start_compress not called yet. */
      if (cinfo->global_state != CSTATE_START)
        ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);

      /* Allocate comp_info array large enough for maximum component count.
       * Array is made permanent in case application wants to compress
       * multiple images at same param settings.
       */
      if (cinfo->comp_info == NULL)
        cinfo->comp_info = (jpeg_component_info *)
          (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT,
    				  MAX_COMPONENTS * SIZEOF(jpeg_component_info));

      /* Initialize everything not dependent on the color space */

      cinfo->scale_num = 1;		/* 1:1 scaling */
      cinfo->scale_denom = 1;
      cinfo->data_precision = BITS_IN_JSAMPLE;
      /* Set up two quantization tables using default quality of 75 */
      jpeg_set_quality(cinfo, 75, TRUE);
      /* Reset standard Huffman tables */
      std_huff_tables(cinfo);

      /* Initialize default arithmetic coding conditioning */
      for (i = 0; i < NUM_ARITH_TBLS; i++) {
        cinfo->arith_dc_L[i] = 0;
        cinfo->arith_dc_U[i] = 1;
        cinfo->arith_ac_K[i] = 5;
      }

      /* Default is no multiple-scan output */
      cinfo->scan_info = NULL;
      cinfo->num_scans = 0;

      /* Expect normal source image, not raw downsampled data */
      cinfo->raw_data_in = FALSE;

      /* The standard Huffman tables are only valid for 8-bit data precision.
       * If the precision is higher, use arithmetic coding.
       * (Alternatively, using Huffman coding would be possible with forcing
       * optimization on so that usable tables will be computed, or by
       * supplying default tables that are valid for the desired precision.)
       * Otherwise, use Huffman coding by default.
       */
      cinfo->arith_code = cinfo->data_precision > 8 ? TRUE : FALSE;

      /* By default, don't do extra passes to optimize entropy coding */
      cinfo->optimize_coding = FALSE;

      /* By default, use the simpler non-cosited sampling alignment */
      cinfo->CCIR601_sampling = FALSE;

      /* By default, apply fancy downsampling */
      cinfo->do_fancy_downsampling = TRUE;

      /* No input smoothing */
      cinfo->smoothing_factor = 0;

      /* DCT algorithm preference */
      cinfo->dct_method = JDCT_DEFAULT;

      /* No restart markers */
      cinfo->restart_interval = 0;
      cinfo->restart_in_rows = 0;

      /* Fill in default JFIF marker parameters.  Note that whether the marker
       * will actually be written is determined by jpeg_set_colorspace.
       *
       * By default, the library emits JFIF version code 1.01.
       * An application that wants to emit JFIF 1.02 extension markers should set
       * JFIF_minor_version to 2.  We could probably get away with just defaulting
       * to 1.02, but there may still be some decoders in use that will complain
       * about that; saying 1.01 should minimize compatibility problems.
       *
       * For wide gamut colorspaces (BG_RGB and BG_YCC), the major version will be
       * overridden by jpeg_set_colorspace and set to 2.
       */
      cinfo->JFIF_major_version = 1; /* Default JFIF version = 1.01 */
      cinfo->JFIF_minor_version = 1;
      cinfo->density_unit = 0;	/* Pixel size is unknown by default */
      cinfo->X_density = 1;		/* Pixel aspect ratio is square by default */
      cinfo->Y_density = 1;

      /* No color transform */
      cinfo->color_transform = JCT_NONE;

      /* Choose JPEG colorspace based on input space, set defaults accordingly */

      jpeg_default_colorspace(cinfo);
    }

    /*
     * Select an appropriate JPEG colorspace for in_color_space.
     */

    GLOBAL(void)
    jpeg_default_colorspace (j_compress_ptr cinfo)
    {
      switch (cinfo->in_color_space) {
      case JCS_UNKNOWN:
        jpeg_set_colorspace(cinfo, JCS_UNKNOWN);
        break;
      case JCS_GRAYSCALE:
        jpeg_set_colorspace(cinfo, JCS_GRAYSCALE);
        break;
      case JCS_RGB:
        jpeg_set_colorspace(cinfo, JCS_YCbCr);
        break;
      case JCS_YCbCr:
        jpeg_set_colorspace(cinfo, JCS_YCbCr);
        break;
      case JCS_CMYK:
        jpeg_set_colorspace(cinfo, JCS_CMYK); /* By default, no translation */
        break;
      case JCS_YCCK:
        jpeg_set_colorspace(cinfo, JCS_YCCK);
        break;
      case JCS_BG_RGB:
        /* No translation for now -- conversion to BG_YCC not yet supportet */
        jpeg_set_colorspace(cinfo, JCS_BG_RGB);
        break;
      case JCS_BG_YCC:
        jpeg_set_colorspace(cinfo, JCS_BG_YCC);
        break;
      default:
        ERREXIT(cinfo, JERR_BAD_IN_COLORSPACE);
      }
    }

    /*
     * Set the JPEG colorspace, and choose colorspace-dependent default values.
     */

    GLOBAL(void)
    jpeg_set_colorspace (j_compress_ptr cinfo, J_COLOR_SPACE colorspace)
    {
      jpeg_component_info * compptr;
      int ci;

    #define SET_COMP(index,id,hsamp,vsamp,quant,dctbl,actbl)  \
      (compptr = &cinfo->comp_info[index], \
       compptr->component_id = (id), \
       compptr->h_samp_factor = (hsamp), \
       compptr->v_samp_factor = (vsamp), \
       compptr->quant_tbl_no = (quant), \
       compptr->dc_tbl_no = (dctbl), \
       compptr->ac_tbl_no = (actbl) )

      /* Safety check to ensure start_compress not called yet. */
      if (cinfo->global_state != CSTATE_START)
        ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);

      /* For all colorspaces, we use Q and Huff tables 0 for luminance components,
       * tables 1 for chrominance components.
       */

      cinfo->jpeg_color_space = colorspace;

      cinfo->write_JFIF_header = FALSE; /* No marker for non-JFIF colorspaces */
      cinfo->write_Adobe_marker = FALSE; /* write no Adobe marker by default */

      switch (colorspace) {
      case JCS_UNKNOWN:
        cinfo->num_components = cinfo->input_components;
        if (cinfo->num_components < 1 || cinfo->num_components > MAX_COMPONENTS)
          ERREXIT2(cinfo, JERR_COMPONENT_COUNT, cinfo->num_components,
    	       MAX_COMPONENTS);
        for (ci = 0; ci < cinfo->num_components; ci++) {
          SET_COMP(ci, ci, 1,1, 0, 0,0);
        }
        break;
      case JCS_GRAYSCALE:
        cinfo->write_JFIF_header = TRUE; /* Write a JFIF marker */
        cinfo->num_components = 1;
        /* JFIF specifies component ID 1 */
        SET_COMP(0, 0x01, 1,1, 0, 0,0);
        break;
      case JCS_RGB:
        cinfo->write_Adobe_marker = TRUE; /* write Adobe marker to flag RGB */
        cinfo->num_components = 3;
        SET_COMP(0, 0x52 /* 'R' */, 1,1,
    		cinfo->color_transform == JCT_SUBTRACT_GREEN ? 1 : 0,
    		cinfo->color_transform == JCT_SUBTRACT_GREEN ? 1 : 0,
    		cinfo->color_transform == JCT_SUBTRACT_GREEN ? 1 : 0);
        SET_COMP(1, 0x47 /* 'G' */, 1,1, 0, 0,0);
        SET_COMP(2, 0x42 /* 'B' */, 1,1,
    		cinfo->color_transform == JCT_SUBTRACT_GREEN ? 1 : 0,
    		cinfo->color_transform == JCT_SUBTRACT_GREEN ? 1 : 0,
    		cinfo->color_transform == JCT_SUBTRACT_GREEN ? 1 : 0);
        break;
      case JCS_YCbCr:
        cinfo->write_JFIF_header = TRUE; /* Write a JFIF marker */
        cinfo->num_components = 3;
        /* JFIF specifies component IDs 1,2,3 */
        /* We default to 2x2 subsamples of chrominance */
        SET_COMP(0, 0x01, 2,2, 0, 0,0);
        SET_COMP(1, 0x02, 1,1, 1, 1,1);
        SET_COMP(2, 0x03, 1,1, 1, 1,1);
        break;
      case JCS_CMYK:
        cinfo->write_Adobe_marker = TRUE; /* write Adobe marker to flag CMYK */
        cinfo->num_components = 4;
        SET_COMP(0, 0x43 /* 'C' */, 1,1, 0, 0,0);
        SET_COMP(1, 0x4D /* 'M' */, 1,1, 0, 0,0);
        SET_COMP(2, 0x59 /* 'Y' */, 1,1, 0, 0,0);
        SET_COMP(3, 0x4B /* 'K' */, 1,1, 0, 0,0);
        break;
      case JCS_YCCK:
        cinfo->write_Adobe_marker = TRUE; /* write Adobe marker to flag YCCK */
        cinfo->num_components = 4;
        SET_COMP(0, 0x01, 2,2, 0, 0,0);
        SET_COMP(1, 0x02, 1,1, 1, 1,1);
        SET_COMP(2, 0x03, 1,1, 1, 1,1);
        SET_COMP(3, 0x04, 2,2, 0, 0,0);
        break;
      case JCS_BG_RGB:
        cinfo->write_JFIF_header = TRUE; /* Write a JFIF marker */
        cinfo->JFIF_major_version = 2;   /* Set JFIF major version = 2 */
        cinfo->num_components = 3;
        /* Add offset 0x20 to the normal R/G/B component IDs */
        SET_COMP(0, 0x72 /* 'r' */, 1,1,
    		cinfo->color_transform == JCT_SUBTRACT_GREEN ? 1 : 0,
    		cinfo->color_transform == JCT_SUBTRACT_GREEN ? 1 : 0,
    		cinfo->color_transform == JCT_SUBTRACT_GREEN ? 1 : 0);
        SET_COMP(1, 0x67 /* 'g' */, 1,1, 0, 0,0);
        SET_COMP(2, 0x62 /* 'b' */, 1,1,
    		cinfo->color_transform == JCT_SUBTRACT_GREEN ? 1 : 0,
    		cinfo->color_transform == JCT_SUBTRACT_GREEN ? 1 : 0,
    		cinfo->color_transform == JCT_SUBTRACT_GREEN ? 1 : 0);
        break;
      case JCS_BG_YCC:
        cinfo->write_JFIF_header = TRUE; /* Write a JFIF marker */
        cinfo->JFIF_major_version = 2;   /* Set JFIF major version = 2 */
        cinfo->num_components = 3;
        /* Add offset 0x20 to the normal Cb/Cr component IDs */
        /* We default to 2x2 subsamples of chrominance */
        SET_COMP(0, 0x01, 2,2, 0, 0,0);
        SET_COMP(1, 0x22, 1,1, 1, 1,1);
        SET_COMP(2, 0x23, 1,1, 1, 1,1);
        break;
      default:
        ERREXIT(cinfo, JERR_BAD_J_COLORSPACE);
      }
    }

    #ifdef C_PROGRESSIVE_SUPPORTED

    LOCAL(jpeg_scan_info *)
    fill_a_scan (jpeg_scan_info * scanptr, int ci,
    	     int Ss, int Se, int Ah, int Al)
    /* Support routine: generate one scan for specified component */
    {
      scanptr->comps_in_scan = 1;
      scanptr->component_index[0] = ci;
      scanptr->Ss = Ss;
      scanptr->Se = Se;
      scanptr->Ah = Ah;
      scanptr->Al = Al;
      scanptr++;
      return scanptr;
    }

    LOCAL(jpeg_scan_info *)
    fill_scans (jpeg_scan_info * scanptr, int ncomps,
    	    int Ss, int Se, int Ah, int Al)
    /* Support routine: generate one scan for each component */
    {
      int ci;

      for (ci = 0; ci < ncomps; ci++) {
        scanptr->comps_in_scan = 1;
        scanptr->component_index[0] = ci;
        scanptr->Ss = Ss;
        scanptr->Se = Se;
        scanptr->Ah = Ah;
        scanptr->Al = Al;
        scanptr++;
      }
      return scanptr;
    }

    LOCAL(jpeg_scan_info *)
    fill_dc_scans (jpeg_scan_info * scanptr, int ncomps, int Ah, int Al)
    /* Support routine: generate interleaved DC scan if possible, else N scans */
    {
      int ci;

      if (ncomps <= MAX_COMPS_IN_SCAN) {
        /* Single interleaved DC scan */
        scanptr->comps_in_scan = ncomps;
        for (ci = 0; ci < ncomps; ci++)
          scanptr->component_index[ci] = ci;
        scanptr->Ss = scanptr->Se = 0;
        scanptr->Ah = Ah;
        scanptr->Al = Al;
        scanptr++;
      } else {
        /* Noninterleaved DC scan for each component */
        scanptr = fill_scans(scanptr, ncomps, 0, 0, Ah, Al);
      }
      return scanptr;
    }

    /*
     * Create a recommended progressive-JPEG script.
     * cinfo->num_components and cinfo->jpeg_color_space must be correct.
     */

    GLOBAL(void)
    jpeg_simple_progression (j_compress_ptr cinfo)
    {
      int ncomps = cinfo->num_components;
      int nscans;
      jpeg_scan_info * scanptr;

      /* Safety check to ensure start_compress not called yet. */
      if (cinfo->global_state != CSTATE_START)
        ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);

      /* Figure space needed for script.  Calculation must match code below! */
      if (ncomps == 3 &&
          (cinfo->jpeg_color_space == JCS_YCbCr ||
           cinfo->jpeg_color_space == JCS_BG_YCC)) {
        /* Custom script for YCC color images. */
        nscans = 10;
      } else {
        /* All-purpose script for other color spaces. */
        if (ncomps > MAX_COMPS_IN_SCAN)
          nscans = 6 * ncomps;	/* 2 DC + 4 AC scans per component */
        else
          nscans = 2 + 4 * ncomps;	/* 2 DC scans; 4 AC scans per component */
      }

      /* Allocate space for script.
       * We need to put it in the permanent pool in case the application performs
       * multiple compressions without changing the settings.  To avoid a memory
       * leak if jpeg_simple_progression is called repeatedly for the same JPEG
       * object, we try to re-use previously allocated space, and we allocate
       * enough space to handle YCC even if initially asked for grayscale.
       */
      if (cinfo->script_space == NULL || cinfo->script_space_size < nscans) {
        cinfo->script_space_size = MAX(nscans, 10);
        cinfo->script_space = (jpeg_scan_info *)
          (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT,
    			cinfo->script_space_size * SIZEOF(jpeg_scan_info));
      }
      scanptr = cinfo->script_space;
      cinfo->scan_info = scanptr;
      cinfo->num_scans = nscans;

      if (ncomps == 3 &&
          (cinfo->jpeg_color_space == JCS_YCbCr ||
           cinfo->jpeg_color_space == JCS_BG_YCC)) {
        /* Custom script for YCC color images. */
        /* Initial DC scan */
        scanptr = fill_dc_scans(scanptr, ncomps, 0, 1);
        /* Initial AC scan: get some luma data out in a hurry */
        scanptr = fill_a_scan(scanptr, 0, 1, 5, 0, 2);
        /* Chroma data is too small to be worth expending many scans on */
        scanptr = fill_a_scan(scanptr, 2, 1, 63, 0, 1);
        scanptr = fill_a_scan(scanptr, 1, 1, 63, 0, 1);
        /* Complete spectral selection for luma AC */
        scanptr = fill_a_scan(scanptr, 0, 6, 63, 0, 2);
        /* Refine next bit of luma AC */
        scanptr = fill_a_scan(scanptr, 0, 1, 63, 2, 1);
        /* Finish DC successive approximation */
        scanptr = fill_dc_scans(scanptr, ncomps, 1, 0);
        /* Finish AC successive approximation */
        scanptr = fill_a_scan(scanptr, 2, 1, 63, 1, 0);
        scanptr = fill_a_scan(scanptr, 1, 1, 63, 1, 0);
        /* Luma bottom bit comes last since it's usually largest scan */
        scanptr = fill_a_scan(scanptr, 0, 1, 63, 1, 0);
      } else {
        /* All-purpose script for other color spaces. */
        /* Successive approximation first pass */
        scanptr = fill_dc_scans(scanptr, ncomps, 0, 1);
        scanptr = fill_scans(scanptr, ncomps, 1, 5, 0, 2);
        scanptr = fill_scans(scanptr, ncomps, 6, 63, 0, 2);
        /* Successive approximation second pass */
        scanptr = fill_scans(scanptr, ncomps, 1, 63, 2, 1);
        /* Successive approximation final pass */
        scanptr = fill_dc_scans(scanptr, ncomps, 1, 0);
        scanptr = fill_scans(scanptr, ncomps, 1, 63, 1, 0);
      }
    }

    #endif /* C_PROGRESSIVE_SUPPORTED */