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tif_print.c

/* $Id: tif_print.c,v 1.35 2006/03/13 07:53:28 dron Exp $ */

/*
 * Copyright (c) 1988-1997 Sam Leffler
 * Copyright (c) 1991-1997 Silicon Graphics, Inc.
 *
 * Permission to use, copy, modify, distribute, and sell this software and 
 * its documentation for any purpose is hereby granted without fee, provided
 * that (i) the above copyright notices and this permission notice appear in
 * all copies of the software and related documentation, and (ii) the names of
 * Sam Leffler and Silicon Graphics may not be used in any advertising or
 * publicity relating to the software without the specific, prior written
 * permission of Sam Leffler and Silicon Graphics.
 * 
 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
 * 
 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 
 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 
 * OF THIS SOFTWARE.
 */

/*
 * TIFF Library.
 *
 * Directory Printing Support
 */
#include "tiffiop.h"
#include <stdio.h>

#include <ctype.h>

static const char *photoNames[] = {
    "min-is-white",                       /* PHOTOMETRIC_MINISWHITE */
    "min-is-black",                       /* PHOTOMETRIC_MINISBLACK */
    "RGB color",                    /* PHOTOMETRIC_RGB */
    "palette color (RGB from colormap)",  /* PHOTOMETRIC_PALETTE */
    "transparency mask",                  /* PHOTOMETRIC_MASK */
    "separated",                    /* PHOTOMETRIC_SEPARATED */
    "YCbCr",                              /* PHOTOMETRIC_YCBCR */
    "7 (0x7)",
    "CIE L*a*b*",                   /* PHOTOMETRIC_CIELAB */
};
#define     NPHOTONAMES (sizeof (photoNames) / sizeof (photoNames[0]))

static const char *orientNames[] = {
    "0 (0x0)",
    "row 0 top, col 0 lhs",               /* ORIENTATION_TOPLEFT */
    "row 0 top, col 0 rhs",               /* ORIENTATION_TOPRIGHT */
    "row 0 bottom, col 0 rhs",                  /* ORIENTATION_BOTRIGHT */
    "row 0 bottom, col 0 lhs",                  /* ORIENTATION_BOTLEFT */
    "row 0 lhs, col 0 top",               /* ORIENTATION_LEFTTOP */
    "row 0 rhs, col 0 top",               /* ORIENTATION_RIGHTTOP */
    "row 0 rhs, col 0 bottom",                  /* ORIENTATION_RIGHTBOT */
    "row 0 lhs, col 0 bottom",                  /* ORIENTATION_LEFTBOT */
};
#define     NORIENTNAMES      (sizeof (orientNames) / sizeof (orientNames[0]))

static void
_TIFFPrintField(FILE* fd, const TIFFFieldInfo *fip,
            uint32 value_count, void *raw_data)
{
      uint32 j;
            
      fprintf(fd, "  %s: ", fip->field_name);

      for(j = 0; j < value_count; j++) {
            if(fip->field_type == TIFF_BYTE)
                  fprintf(fd, "%u", ((uint8 *) raw_data)[j]);
            else if(fip->field_type == TIFF_UNDEFINED)
                  fprintf(fd, "0x%x",
                        (unsigned int) ((unsigned char *) raw_data)[j]);
            else if(fip->field_type == TIFF_SBYTE)
                  fprintf(fd, "%d", ((int8 *) raw_data)[j]);
            else if(fip->field_type == TIFF_SHORT)
                  fprintf(fd, "%u", ((uint16 *) raw_data)[j]);
            else if(fip->field_type == TIFF_SSHORT)
                  fprintf(fd, "%d", ((int16 *) raw_data)[j]);
            else if(fip->field_type == TIFF_LONG)
                  fprintf(fd, "%lu",
                        (unsigned long)((uint32 *) raw_data)[j]);
            else if(fip->field_type == TIFF_SLONG)
                  fprintf(fd, "%ld", (long)((int32 *) raw_data)[j]);
            else if(fip->field_type == TIFF_RATIONAL
                  || fip->field_type == TIFF_SRATIONAL
                  || fip->field_type == TIFF_FLOAT)
                  fprintf(fd, "%f", ((float *) raw_data)[j]);
            else if(fip->field_type == TIFF_IFD)
                  fprintf(fd, "0x%ulx", ((uint32 *) raw_data)[j]);
            else if(fip->field_type == TIFF_ASCII) {
                  fprintf(fd, "%s", (char *) raw_data);
                  break;
            }
            else if(fip->field_type == TIFF_DOUBLE)
                  fprintf(fd, "%f", ((double *) raw_data)[j]);
            else if(fip->field_type == TIFF_FLOAT)
                  fprintf(fd, "%f", ((float *)raw_data)[j]);
            else {
                  fprintf(fd, "<unsupported data type in TIFFPrint>");
                  break;
            }

            if(j < value_count - 1)
                  fprintf(fd, ",");
      }

      fprintf(fd, "\n");
}

static int
_TIFFPrettyPrintField(TIFF* tif, FILE* fd, ttag_t tag,
                  uint32 value_count, void *raw_data)
{
      TIFFDirectory *td = &tif->tif_dir;

      switch (tag)
      {
            case TIFFTAG_INKSET:
                  fprintf(fd, "  Ink Set: ");
                  switch (*((uint16*)raw_data)) {
                        case INKSET_CMYK:
                              fprintf(fd, "CMYK\n");
                              break;
                        default:
                              fprintf(fd, "%u (0x%x)\n",
                                    *((uint16*)raw_data),
                                    *((uint16*)raw_data));
                              break;
                  }
                  return 1;
            case TIFFTAG_DOTRANGE:
                  fprintf(fd, "  Dot Range: %u-%u\n",
                        ((uint16*)raw_data)[0], ((uint16*)raw_data)[1]);
                  return 1;
            case TIFFTAG_WHITEPOINT:
                  fprintf(fd, "  White Point: %g-%g\n",
                        ((float *)raw_data)[0], ((float *)raw_data)[1]);                  return 1;
            case TIFFTAG_REFERENCEBLACKWHITE:
            {
                  uint16 i;

                  fprintf(fd, "  Reference Black/White:\n");
                  for (i = 0; i < td->td_samplesperpixel; i++)
                  fprintf(fd, "    %2d: %5g %5g\n", i,
                        ((float *)raw_data)[2*i+0],
                        ((float *)raw_data)[2*i+1]);
                  return 1;
            }
            case TIFFTAG_XMLPACKET:
            {
                  uint32 i;
                  
                  fprintf(fd, "  XMLPacket (XMP Metadata):\n" );
                  for(i = 0; i < value_count; i++)
                        fputc(((char *)raw_data)[i], fd);
                  fprintf( fd, "\n" );
                  return 1;
            }
            case TIFFTAG_RICHTIFFIPTC:
                  /*
                   * XXX: for some weird reason RichTIFFIPTC tag
                   * defined as array of LONG values.
                   */
                  fprintf(fd,
                        "  RichTIFFIPTC Data: <present>, %lu bytes\n",
                        (unsigned long) value_count * 4);
                  return 1;
            case TIFFTAG_PHOTOSHOP:
                  fprintf(fd, "  Photoshop Data: <present>, %lu bytes\n",
                        (unsigned long) value_count);
                  return 1;
            case TIFFTAG_ICCPROFILE:
                  fprintf(fd, "  ICC Profile: <present>, %lu bytes\n",
                        (unsigned long) value_count);
                  return 1;
            case TIFFTAG_STONITS:
                  fprintf(fd,
                        "  Sample to Nits conversion factor: %.4e\n",
                        *((double*)raw_data));
                  return 1;
        }

      return 0;
}

/*
 * Print the contents of the current directory
 * to the specified stdio file stream.
 */
void
TIFFPrintDirectory(TIFF* tif, FILE* fd, long flags)
{
      TIFFDirectory *td = &tif->tif_dir;
      char *sep;
      uint16 i;
      long l, n;

      fprintf(fd, "TIFF Directory at offset 0x%lx (%lu)\n",
            (unsigned long)tif->tif_diroff, (unsigned long)tif->tif_diroff);
      if (TIFFFieldSet(tif,FIELD_SUBFILETYPE)) {
            fprintf(fd, "  Subfile Type:");
            sep = " ";
            if (td->td_subfiletype & FILETYPE_REDUCEDIMAGE) {
                  fprintf(fd, "%sreduced-resolution image", sep);
                  sep = "/";
            }
            if (td->td_subfiletype & FILETYPE_PAGE) {
                  fprintf(fd, "%smulti-page document", sep);
                  sep = "/";
            }
            if (td->td_subfiletype & FILETYPE_MASK)
                  fprintf(fd, "%stransparency mask", sep);
            fprintf(fd, " (%lu = 0x%lx)\n",
                (long) td->td_subfiletype, (long) td->td_subfiletype);
      }
      if (TIFFFieldSet(tif,FIELD_IMAGEDIMENSIONS)) {
            fprintf(fd, "  Image Width: %lu Image Length: %lu",
                (unsigned long) td->td_imagewidth, (unsigned long) td->td_imagelength);
            if (TIFFFieldSet(tif,FIELD_IMAGEDEPTH))
                  fprintf(fd, " Image Depth: %lu",
                      (unsigned long) td->td_imagedepth);
            fprintf(fd, "\n");
      }
      if (TIFFFieldSet(tif,FIELD_TILEDIMENSIONS)) {
            fprintf(fd, "  Tile Width: %lu Tile Length: %lu",
                (unsigned long) td->td_tilewidth, (unsigned long) td->td_tilelength);
            if (TIFFFieldSet(tif,FIELD_TILEDEPTH))
                  fprintf(fd, " Tile Depth: %lu",
                      (unsigned long) td->td_tiledepth);
            fprintf(fd, "\n");
      }
      if (TIFFFieldSet(tif,FIELD_RESOLUTION)) {
            fprintf(fd, "  Resolution: %g, %g",
                td->td_xresolution, td->td_yresolution);
            if (TIFFFieldSet(tif,FIELD_RESOLUTIONUNIT)) {
                  switch (td->td_resolutionunit) {
                  case RESUNIT_NONE:
                        fprintf(fd, " (unitless)");
                        break;
                  case RESUNIT_INCH:
                        fprintf(fd, " pixels/inch");
                        break;
                  case RESUNIT_CENTIMETER:
                        fprintf(fd, " pixels/cm");
                        break;
                  default:
                        fprintf(fd, " (unit %u = 0x%x)",
                            td->td_resolutionunit,
                            td->td_resolutionunit);
                        break;
                  }
            }
            fprintf(fd, "\n");
      }
      if (TIFFFieldSet(tif,FIELD_POSITION))
            fprintf(fd, "  Position: %g, %g\n",
                td->td_xposition, td->td_yposition);
      if (TIFFFieldSet(tif,FIELD_BITSPERSAMPLE))
            fprintf(fd, "  Bits/Sample: %u\n", td->td_bitspersample);
      if (TIFFFieldSet(tif,FIELD_SAMPLEFORMAT)) {
            fprintf(fd, "  Sample Format: ");
            switch (td->td_sampleformat) {
            case SAMPLEFORMAT_VOID:
                  fprintf(fd, "void\n");
                  break;
            case SAMPLEFORMAT_INT:
                  fprintf(fd, "signed integer\n");
                  break;
            case SAMPLEFORMAT_UINT:
                  fprintf(fd, "unsigned integer\n");
                  break;
            case SAMPLEFORMAT_IEEEFP:
                  fprintf(fd, "IEEE floating point\n");
                  break;
            case SAMPLEFORMAT_COMPLEXINT:
                  fprintf(fd, "complex signed integer\n");
                  break;
            case SAMPLEFORMAT_COMPLEXIEEEFP:
                  fprintf(fd, "complex IEEE floating point\n");
                  break;
            default:
                  fprintf(fd, "%u (0x%x)\n",
                      td->td_sampleformat, td->td_sampleformat);
                  break;
            }
      }
      if (TIFFFieldSet(tif,FIELD_COMPRESSION)) {
            const TIFFCodec* c = TIFFFindCODEC(td->td_compression);
            fprintf(fd, "  Compression Scheme: ");
            if (c)
                  fprintf(fd, "%s\n", c->name);
            else
                  fprintf(fd, "%u (0x%x)\n",
                      td->td_compression, td->td_compression);
      }
      if (TIFFFieldSet(tif,FIELD_PHOTOMETRIC)) {
            fprintf(fd, "  Photometric Interpretation: ");
            if (td->td_photometric < NPHOTONAMES)
                  fprintf(fd, "%s\n", photoNames[td->td_photometric]);
            else {
                  switch (td->td_photometric) {
                  case PHOTOMETRIC_LOGL:
                        fprintf(fd, "CIE Log2(L)\n");
                        break;
                  case PHOTOMETRIC_LOGLUV:
                        fprintf(fd, "CIE Log2(L) (u',v')\n");
                        break;
                  default:
                        fprintf(fd, "%u (0x%x)\n",
                            td->td_photometric, td->td_photometric);
                        break;
                  }
            }
      }
      if (TIFFFieldSet(tif,FIELD_EXTRASAMPLES) && td->td_extrasamples) {
            fprintf(fd, "  Extra Samples: %u<", td->td_extrasamples);
            sep = "";
            for (i = 0; i < td->td_extrasamples; i++) {
                  switch (td->td_sampleinfo[i]) {
                  case EXTRASAMPLE_UNSPECIFIED:
                        fprintf(fd, "%sunspecified", sep);
                        break;
                  case EXTRASAMPLE_ASSOCALPHA:
                        fprintf(fd, "%sassoc-alpha", sep);
                        break;
                  case EXTRASAMPLE_UNASSALPHA:
                        fprintf(fd, "%sunassoc-alpha", sep);
                        break;
                  default:
                        fprintf(fd, "%s%u (0x%x)", sep,
                            td->td_sampleinfo[i], td->td_sampleinfo[i]);
                        break;
                  }
                  sep = ", ";
            }
            fprintf(fd, ">\n");
      }
      if (TIFFFieldSet(tif,FIELD_INKNAMES)) {
            char* cp;
            fprintf(fd, "  Ink Names: ");
            i = td->td_samplesperpixel;
            sep = "";
            for (cp = td->td_inknames; i > 0; cp = strchr(cp,'\0')+1, i--) {
                  fputs(sep, fd);
                  _TIFFprintAscii(fd, cp);
                  sep = ", ";
            }
                fputs("\n", fd);
      }
      if (TIFFFieldSet(tif,FIELD_THRESHHOLDING)) {
            fprintf(fd, "  Thresholding: ");
            switch (td->td_threshholding) {
            case THRESHHOLD_BILEVEL:
                  fprintf(fd, "bilevel art scan\n");
                  break;
            case THRESHHOLD_HALFTONE:
                  fprintf(fd, "halftone or dithered scan\n");
                  break;
            case THRESHHOLD_ERRORDIFFUSE:
                  fprintf(fd, "error diffused\n");
                  break;
            default:
                  fprintf(fd, "%u (0x%x)\n",
                      td->td_threshholding, td->td_threshholding);
                  break;
            }
      }
      if (TIFFFieldSet(tif,FIELD_FILLORDER)) {
            fprintf(fd, "  FillOrder: ");
            switch (td->td_fillorder) {
            case FILLORDER_MSB2LSB:
                  fprintf(fd, "msb-to-lsb\n");
                  break;
            case FILLORDER_LSB2MSB:
                  fprintf(fd, "lsb-to-msb\n");
                  break;
            default:
                  fprintf(fd, "%u (0x%x)\n",
                      td->td_fillorder, td->td_fillorder);
                  break;
            }
      }
      if (TIFFFieldSet(tif,FIELD_YCBCRSUBSAMPLING))
        {
            /*
             * For hacky reasons (see tif_jpeg.c - JPEGFixupTestSubsampling),
             * we need to fetch this rather than trust what is in our
             * structures.
             */
            uint16 subsampling[2];

            TIFFGetField( tif, TIFFTAG_YCBCRSUBSAMPLING, 
                          subsampling + 0, subsampling + 1 );
            fprintf(fd, "  YCbCr Subsampling: %u, %u\n",
                        subsampling[0], subsampling[1] );
        }
      if (TIFFFieldSet(tif,FIELD_YCBCRPOSITIONING)) {
            fprintf(fd, "  YCbCr Positioning: ");
            switch (td->td_ycbcrpositioning) {
            case YCBCRPOSITION_CENTERED:
                  fprintf(fd, "centered\n");
                  break;
            case YCBCRPOSITION_COSITED:
                  fprintf(fd, "cosited\n");
                  break;
            default:
                  fprintf(fd, "%u (0x%x)\n",
                      td->td_ycbcrpositioning, td->td_ycbcrpositioning);
                  break;
            }
      }
      if (TIFFFieldSet(tif,FIELD_HALFTONEHINTS))
            fprintf(fd, "  Halftone Hints: light %u dark %u\n",
                td->td_halftonehints[0], td->td_halftonehints[1]);
      if (TIFFFieldSet(tif,FIELD_ORIENTATION)) {
            fprintf(fd, "  Orientation: ");
            if (td->td_orientation < NORIENTNAMES)
                  fprintf(fd, "%s\n", orientNames[td->td_orientation]);
            else
                  fprintf(fd, "%u (0x%x)\n",
                      td->td_orientation, td->td_orientation);
      }
      if (TIFFFieldSet(tif,FIELD_SAMPLESPERPIXEL))
            fprintf(fd, "  Samples/Pixel: %u\n", td->td_samplesperpixel);
      if (TIFFFieldSet(tif,FIELD_ROWSPERSTRIP)) {
            fprintf(fd, "  Rows/Strip: ");
            if (td->td_rowsperstrip == (uint32) -1)
                  fprintf(fd, "(infinite)\n");
            else
                  fprintf(fd, "%lu\n", (unsigned long) td->td_rowsperstrip);
      }
      if (TIFFFieldSet(tif,FIELD_MINSAMPLEVALUE))
            fprintf(fd, "  Min Sample Value: %u\n", td->td_minsamplevalue);
      if (TIFFFieldSet(tif,FIELD_MAXSAMPLEVALUE))
            fprintf(fd, "  Max Sample Value: %u\n", td->td_maxsamplevalue);
      if (TIFFFieldSet(tif,FIELD_SMINSAMPLEVALUE))
            fprintf(fd, "  SMin Sample Value: %g\n",
                td->td_sminsamplevalue);
      if (TIFFFieldSet(tif,FIELD_SMAXSAMPLEVALUE))
            fprintf(fd, "  SMax Sample Value: %g\n",
                td->td_smaxsamplevalue);
      if (TIFFFieldSet(tif,FIELD_PLANARCONFIG)) {
            fprintf(fd, "  Planar Configuration: ");
            switch (td->td_planarconfig) {
            case PLANARCONFIG_CONTIG:
                  fprintf(fd, "single image plane\n");
                  break;
            case PLANARCONFIG_SEPARATE:
                  fprintf(fd, "separate image planes\n");
                  break;
            default:
                  fprintf(fd, "%u (0x%x)\n",
                      td->td_planarconfig, td->td_planarconfig);
                  break;
            }
      }
      if (TIFFFieldSet(tif,FIELD_PAGENUMBER))
            fprintf(fd, "  Page Number: %u-%u\n",
                td->td_pagenumber[0], td->td_pagenumber[1]);
      if (TIFFFieldSet(tif,FIELD_COLORMAP)) {
            fprintf(fd, "  Color Map: ");
            if (flags & TIFFPRINT_COLORMAP) {
                  fprintf(fd, "\n");
                  n = 1L<<td->td_bitspersample;
                  for (l = 0; l < n; l++)
                        fprintf(fd, "   %5lu: %5u %5u %5u\n",
                            l,
                            td->td_colormap[0][l],
                            td->td_colormap[1][l],
                            td->td_colormap[2][l]);
            } else
                  fprintf(fd, "(present)\n");
      }
      if (TIFFFieldSet(tif,FIELD_TRANSFERFUNCTION)) {
            fprintf(fd, "  Transfer Function: ");
            if (flags & TIFFPRINT_CURVES) {
                  fprintf(fd, "\n");
                  n = 1L<<td->td_bitspersample;
                  for (l = 0; l < n; l++) {
                        fprintf(fd, "    %2lu: %5u",
                            l, td->td_transferfunction[0][l]);
                        for (i = 1; i < td->td_samplesperpixel; i++)
                              fprintf(fd, " %5u",
                                  td->td_transferfunction[i][l]);
                        fputc('\n', fd);
                  }
            } else
                  fprintf(fd, "(present)\n");
      }
      if (TIFFFieldSet(tif, FIELD_SUBIFD)) {
            fprintf(fd, "  SubIFD Offsets:");
            for (i = 0; i < td->td_nsubifd; i++)
                  fprintf(fd, " %5lu", (long) td->td_subifd[i]);
            fputc('\n', fd);
      }

        /*
        ** Custom tag support.
        */
        {
            int  i;
            short count;

            count = (short) TIFFGetTagListCount(tif);
            for(i = 0; i < count; i++) {
                ttag_t  tag = TIFFGetTagListEntry(tif, i);
                const TIFFFieldInfo *fip;
                uint16 value_count;
                int mem_alloc = 0;
                void *raw_data;

                fip = TIFFFieldWithTag(tif, tag);
                if(fip == NULL)
                  continue;

            if(fip->field_passcount) {
                  if(TIFFGetField(tif, tag, &value_count, &raw_data) != 1)
                        continue;
            } else {
                  if (fip->field_readcount == TIFF_VARIABLE
                      || fip->field_readcount == TIFF_VARIABLE2)
                        value_count = 1;
                  else if (fip->field_readcount == TIFF_SPP)
                        value_count = td->td_samplesperpixel;
                  else
                        value_count = fip->field_readcount;
                  if ((fip->field_type == TIFF_ASCII
                       || fip->field_readcount == TIFF_VARIABLE
                       || fip->field_readcount == TIFF_VARIABLE2
                       || fip->field_readcount == TIFF_SPP
                       || value_count > 1)
                      && fip->field_tag != TIFFTAG_PAGENUMBER
                      && fip->field_tag != TIFFTAG_HALFTONEHINTS
                      && fip->field_tag != TIFFTAG_YCBCRSUBSAMPLING
                      && fip->field_tag != TIFFTAG_DOTRANGE) {
                        if(TIFFGetField(tif, tag, &raw_data) != 1)
                              continue;
                  } else if (fip->field_tag != TIFFTAG_PAGENUMBER
                           && fip->field_tag != TIFFTAG_HALFTONEHINTS
                           && fip->field_tag != TIFFTAG_YCBCRSUBSAMPLING
                           && fip->field_tag != TIFFTAG_DOTRANGE) {
                        raw_data = _TIFFmalloc(
                              _TIFFDataSize(fip->field_type)
                              * value_count);
                        mem_alloc = 1;
                        if(TIFFGetField(tif, tag, raw_data) != 1) {
                              _TIFFfree(raw_data);
                              continue;
                        }
                  } else {
                        /* 
                         * XXX: Should be fixed and removed, see the
                         * notes related to TIFFTAG_PAGENUMBER,
                         * TIFFTAG_HALFTONEHINTS,
                         * TIFFTAG_YCBCRSUBSAMPLING and
                         * TIFFTAG_DOTRANGE tags in tif_dir.c. */
                        char *tmp;
                        raw_data = _TIFFmalloc(
                              _TIFFDataSize(fip->field_type)
                              * value_count);
                        tmp = raw_data;
                        mem_alloc = 1;
                        if(TIFFGetField(tif, tag, tmp,
                        tmp + _TIFFDataSize(fip->field_type)) != 1) {
                              _TIFFfree(raw_data);
                              continue;
                        }
                  }
            }

            /*
             * Catch the tags which needs to be specially handled and
             * pretty print them. If tag not handled in
             * _TIFFPrettyPrintField() fall down and print it as any other
             * tag.
             */
            if (_TIFFPrettyPrintField(tif, fd, tag, value_count, raw_data)) {
                  if(mem_alloc)
                        _TIFFfree(raw_data);
                  continue;
            }
            else
                  _TIFFPrintField(fd, fip, value_count, raw_data);

            if(mem_alloc)
                  _TIFFfree(raw_data);
            }
        }
        
      if (tif->tif_tagmethods.printdir)
            (*tif->tif_tagmethods.printdir)(tif, fd, flags);
      if ((flags & TIFFPRINT_STRIPS) &&
          TIFFFieldSet(tif,FIELD_STRIPOFFSETS)) {
            tstrip_t s;

            fprintf(fd, "  %lu %s:\n",
                (long) td->td_nstrips,
                isTiled(tif) ? "Tiles" : "Strips");
            for (s = 0; s < td->td_nstrips; s++)
                  fprintf(fd, "    %3lu: [%8lu, %8lu]\n",
                      (unsigned long) s,
                      (unsigned long) td->td_stripoffset[s],
                      (unsigned long) td->td_stripbytecount[s]);
      }
}

void
_TIFFprintAscii(FILE* fd, const char* cp)
{
      for (; *cp != '\0'; cp++) {
            const char* tp;

            if (isprint((int)*cp)) {
                  fputc(*cp, fd);
                  continue;
            }
            for (tp = "\tt\bb\rr\nn\vv"; *tp; tp++)
                  if (*tp++ == *cp)
                        break;
            if (*tp)
                  fprintf(fd, "\\%c", *tp);
            else
                  fprintf(fd, "\\%03o", *cp & 0xff);
      }
}

void
_TIFFprintAsciiTag(FILE* fd, const char* name, const char* value)
{
      fprintf(fd, "  %s: \"", name);
      _TIFFprintAscii(fd, value);
      fprintf(fd, "\"\n");
}

/* vim: set ts=8 sts=8 sw=8 noet: */

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