Source/LibTIFF/tif_print.c - platform/external/free-image - Git at Google

 /* $Id: tif_print.c,v 1.27 2009/09/06 13:11:29 drolon 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) && (td->td_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;
                 uint32 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: */
	/* $Id: tif_print.c,v 1.27 2009/09/06 13:11:29 drolon 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 Lab", / 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)[2i+0],
	((float )raw_data)[2i+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) && (td->td_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;
	uint32 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: */