Ejemplo n.º 1
0
char *readTiff3DFile2Buffer ( char *filename, unsigned char *img, unsigned int img_width, unsigned int img_height, unsigned int first, unsigned int last, 
																						  int downsamplingFactor, int starti, int endi, int startj, int endj ) {

    // 2015-01-30. Alessandro. @ADDED performance (time) measurement in all most time-consuming methods.
    #ifdef _VAA3D_TERAFLY_PLUGIN_MODE
    TERAFLY_TIME_START(TiffLoadData)
    #endif

    TIFF *input;

	//disable warning and error handlers to avoid messages on unrecognized tags
	TIFFSetWarningHandler(0);
	TIFFSetErrorHandler(0);

	input=TIFFOpen(filename,"r");
	if (!input)
    {
		//throw iim::IOException(strprintf("in IOManager::readTiffMultipage(...): Cannot open the file %s",finName).c_str());
		return ((char *) "Cannot open the file.");
    }
    
	int b_swap=TIFFIsByteSwapped(input);
	char *err_msg = readTiff3DFile2Buffer(input,img,img_width,img_height,first,last,b_swap,downsamplingFactor,starti,endi,startj,endj);

	TIFFClose(input);

    // 2015-01-30. Alessandro. @ADDED performance (time) measurement in all most time-consuming methods.
    #ifdef _VAA3D_TERAFLY_PLUGIN_MODE
    TERAFLY_TIME_STOP(TiffLoadData, tf::IO, tf::strprintf("loaded block x(%d), y(%d), z(%d-%d) from 3D tiff \"%s\"", img_width, img_height, first, last, filename))
    #endif

	return err_msg;
}
Ejemplo n.º 2
0
char *readTiff3DFile2Buffer ( char *filename, unsigned char *img, unsigned int img_width, unsigned int img_height, unsigned int first, unsigned int last ) {

    // 2015-01-30. Alessandro. @ADDED performance (time) measurement in all most time-consuming methods.
    #ifdef _VAA3D_TERAFLY_PLUGIN_MODE
    TERAFLY_TIME_START(TiffLoadData)
    #endif

    TIFF *input;

	input=TIFFOpen(filename,"r");
	if (!input)
    {
		//throw iim::IOException(strprintf("in IOManager::readTiffMultipage(...): Cannot open the file %s",finName).c_str());
		return ((char *) "Cannot open the file.");
    }
    
	int b_swap=TIFFIsByteSwapped(input);
	char *err_msg = readTiff3DFile2Buffer(input,img,img_width,img_height,first,last,b_swap);

	TIFFClose(input);

    // 2015-01-30. Alessandro. @ADDED performance (time) measurement in all most time-consuming methods.
    #ifdef _VAA3D_TERAFLY_PLUGIN_MODE
    TERAFLY_TIME_STOP(TiffLoadData, itm::IO, itm::strprintf("loaded block x(%d), y(%d), z(%d-%d) from 3D tiff \"%s\"", img_width, img_height, first, last, filename))
    #endif

	return err_msg;
}
Ejemplo n.º 3
0
/* scans first IDF and returns the n-th tag */
uint32 TIFFGetRawTagListEntry( TIFF  * tif, int tagidx ) {
  int count = TIFFGetRawTagListCount( tif);
  int fd = TIFFFileno( tif);
  //printf("count %i\n", count);
  /* read count of tags (2 Bytes) */
  int i;
  /* replace i/o operatrions with in-memory-operations */
  uint8 * ifdentries = NULL;
  ifdentries = malloc ( sizeof(uint8) * 12 * count);
  if (read(fd, ifdentries, 12 * count) != 12*count) {
    perror ("TIFF Header read error3");
    exit(EXIT_FAILURE);
  }
  uint8 * e = ifdentries;
  for (i = 0; i<count; i++) {
    uint8 lo = *e;
    e++;
    uint8 hi = *e;
    uint16 tagid = (hi << 8) + lo;
    e++;
    if (TIFFIsByteSwapped(tif))
      TIFFSwabShort(&tagid);
    if (i == tagidx) {
      // printf("tag idx=%i, tag=%u (0x%04x) (0x%02x) (0x%02x)\n", i, tagid, tagid, hi, lo);
      free( ifdentries );
      return tagid;
    }
    e+=10;
  }
  /* loop each tag until end or given tag found */
  free( ifdentries );
  return 0;
}
Ejemplo n.º 4
0
/* scans first IDF and returns count of tags
 * Hint: sideeffect, if succeed the seek points to beginning of the first
 * IFD-entry */
int TIFFGetRawTagListCount (TIFF * tif) {
  int fd = TIFFFileno( tif);
  /* seek the image file directory (bytes 4-7) */
  uint32 offset = get_first_IFD( fd );
 
  // printf("diroffset to %i (0x%04lx)\n", offset, offset);
  //printf("byte swapped? %s\n", (TIFFIsByteSwapped(tif)?"true":"false")); 
  /* read and seek to IFD address */
  lseek(fd, (off_t) offset, SEEK_SET);
  uint16 count;
  if (read(fd, &count, 2) != 2) {
    perror ("TIFF Header read error2");
    exit(EXIT_FAILURE);
  }
  if (TIFFIsByteSwapped(tif))
    TIFFSwabShort(&count);
  return count;
}
Ejemplo n.º 5
0
ret_t check_tagorder(TIFF* tif) {
  printf("check if tags are in ascending order\n");
  int count = TIFFGetRawTagListCount( tif);
  int fd = TIFFFileno( tif);
  //printf("count %i\n", count);
  /* read count of tags (2 Bytes) */
  int i;
  /* replace i/o operatrions with in-memory-operations */
  uint8 * ifdentries = NULL;
  ifdentries = malloc ( sizeof(uint8) * 12 * count);
  if (read(fd, ifdentries, 12 * count) != 12*count) {
    perror ("TIFF Header read error5");
    exit(EXIT_FAILURE);
  }
  uint8 * e = ifdentries;
  uint16 lasttag = 0;
  for (i = 0; i<count; i++) {
    uint8 lo = *e;
    e++;
    uint8 hi = *e;
    uint16 tag = (hi << 8) + lo;
    e++;
    if (TIFFIsByteSwapped(tif))
      TIFFSwabShort(&tag);
    if (i>0 && lasttag >= tag) {
      // printf("tag idx=%i, tag=%u (0x%04x) (0x%02x) (0x%02x)\n", i, tag, tag, hi, lo);
      free( ifdentries );
      tif_fails("Invalid TIFF directory; tags are not sorted in ascending order, previous tag:%u (%s) , actual tag:%u (%s)\n", lasttag,  TIFFTagName(tif, lasttag),  tag,  TIFFTagName(tif, tag));
    }
    lasttag = tag;
    e+=10;
  }
  /* loop each tag until end or given tag found */
  free( ifdentries );
  ret_t res;
  res.returnmsg=NULL;
  res.returncode=0;
  return res;
}
Ejemplo n.º 6
0
G_MODULE_EXPORT gboolean
tracker_extract_get_metadata (TrackerExtractInfo *info)
{
	TIFF *image;
	TrackerXmpData *xd = NULL;
	TrackerIptcData *id = NULL;
	TrackerExifData *ed = NULL;
	MergeData md = { 0 };
	TiffData td = { 0 };
	gchar *filename, *uri;
	gchar *date;
	glong exif_offset;
	GPtrArray *keywords;
	guint i;
	GFile *file;
	TrackerSparqlBuilder *metadata, *preupdate;
	const gchar *graph, *urn;
	int fd;

#ifdef HAVE_LIBIPTCDATA
	gchar *iptc_offset;
	guint32 iptc_size;
#endif

#ifdef HAVE_EXEMPI
	gchar *xmp_offset;
	guint32 size;
#endif /* HAVE_EXEMPI */

	file = tracker_extract_info_get_file (info);
	filename = g_file_get_path (file);

	preupdate = tracker_extract_info_get_preupdate_builder (info);
	metadata = tracker_extract_info_get_metadata_builder (info);
	graph = tracker_extract_info_get_graph (info);
	urn = tracker_extract_info_get_urn (info);

	fd = tracker_file_open_fd (filename);

	if (fd == -1) {
		g_warning ("Could not open tiff file '%s': %s\n",
		           filename,
		           g_strerror (errno));
		g_free (filename);
		return FALSE;
	}	

	if ((image = TIFFFdOpen (fd, filename, "r")) == NULL){
		g_warning ("Could not open image:'%s'\n", filename);
		g_free (filename);
		close (fd);
		return FALSE;
	}

	tracker_sparql_builder_predicate (metadata, "a");
	tracker_sparql_builder_object (metadata, "nfo:Image");
	tracker_sparql_builder_object (metadata, "nmm:Photo");

	uri = g_file_get_uri (file);

#ifdef HAVE_LIBIPTCDATA
	if (TIFFGetField (image, 
	                  TIFFTAG_RICHTIFFIPTC, 
	                  &iptc_size, 
	                  &iptc_offset)) {
		if (TIFFIsByteSwapped(image) != 0) {
			TIFFSwabArrayOfLong((uint32*) iptc_offset, 
			                    (unsigned long) iptc_size);
		}
		id = tracker_iptc_new (iptc_offset, 4 * iptc_size, uri);
	}
#endif /* HAVE_LIBIPTCDATA */

	if (!id) {
		id = g_new0 (TrackerIptcData, 1);
	}

	/* FIXME There are problems between XMP data embedded with different tools
	   due to bugs in the original spec (type) */
#ifdef HAVE_EXEMPI
	if (TIFFGetField (image, TIFFTAG_XMLPACKET, &size, &xmp_offset)) {
		xd = tracker_xmp_new (xmp_offset, size, uri);
	}
#endif /* HAVE_EXEMPI */

	if (!xd) {
		xd = g_new0 (TrackerXmpData, 1);
	}

	ed = g_new0 (TrackerExifData, 1);

	/* Get Tiff specifics */
	td.width = tag_to_string (image, TIFFTAG_IMAGEWIDTH, TAG_TYPE_UINT32);
	td.length = tag_to_string (image, TIFFTAG_IMAGELENGTH, TAG_TYPE_UINT32);
	td.artist = tag_to_string (image, TIFFTAG_ARTIST, TAG_TYPE_STRING);
	td.copyright = tag_to_string (image, TIFFTAG_COPYRIGHT, TAG_TYPE_STRING);

	date = tag_to_string (image, TIFFTAG_DATETIME, TAG_TYPE_STRING);
	td.date = tracker_date_guess (date);
	g_free (date);

	td.title = tag_to_string (image, TIFFTAG_DOCUMENTNAME, TAG_TYPE_STRING);
	td.description = tag_to_string (image, TIFFTAG_IMAGEDESCRIPTION, TAG_TYPE_STRING);
	td.make = tag_to_string (image, TIFFTAG_MAKE, TAG_TYPE_STRING);
	td.model = tag_to_string (image, TIFFTAG_MODEL, TAG_TYPE_STRING);
	td.orientation = get_orientation (image);

	/* Get Exif specifics */
	if (TIFFGetField (image, TIFFTAG_EXIFIFD, &exif_offset)) {
		if (TIFFReadEXIFDirectory (image, exif_offset)) {
			ed->exposure_time = tag_to_string (image, EXIFTAG_EXPOSURETIME, TAG_TYPE_DOUBLE);
			ed->fnumber = tag_to_string (image, EXIFTAG_FNUMBER, TAG_TYPE_DOUBLE);
			ed->iso_speed_ratings = tag_to_string (image, EXIFTAG_ISOSPEEDRATINGS, TAG_TYPE_C16_UINT16);
			date = tag_to_string (image, EXIFTAG_DATETIMEORIGINAL, TAG_TYPE_STRING);
			ed->time_original = tracker_date_guess (date);
			g_free (date);

			ed->metering_mode = get_metering_mode (image);
			ed->flash = get_flash (image);
			ed->focal_length = tag_to_string (image, EXIFTAG_DATETIMEORIGINAL, TAG_TYPE_DOUBLE);
			ed->white_balance = get_white_balance (image);
			/* ed->software = tag_to_string (image, EXIFTAG_SOFTWARE, TAG_TYPE_STRING); */
		}
	}

	TIFFClose (image);
	g_free (filename);

	md.title = tracker_coalesce_strip (5, xd->title, xd->pdf_title, td.title, ed->document_name, xd->title2);
	md.orientation = tracker_coalesce_strip (4, xd->orientation, td.orientation, ed->orientation, id->image_orientation);
	md.copyright = tracker_coalesce_strip (4, xd->rights, td.copyright, ed->copyright, id->copyright_notice);
	md.white_balance = tracker_coalesce_strip (2, xd->white_balance, ed->white_balance);
	md.fnumber = tracker_coalesce_strip (2, xd->fnumber, ed->fnumber);
	md.flash = tracker_coalesce_strip (2, xd->flash, ed->flash);
	md.focal_length = tracker_coalesce_strip (2, xd->focal_length, ed->focal_length);
	md.artist = tracker_coalesce_strip (4, xd->artist, td.artist, ed->artist, xd->contributor);
	md.exposure_time = tracker_coalesce_strip (2, xd->exposure_time, ed->exposure_time);
	md.iso_speed_ratings = tracker_coalesce_strip (2, xd->iso_speed_ratings, ed->iso_speed_ratings);
	md.date = tracker_coalesce_strip (6, xd->date, xd->time_original, td.date, ed->time, id->date_created, ed->time_original);
	md.description = tracker_coalesce_strip (3, xd->description, td.description, ed->description);
	md.metering_mode = tracker_coalesce_strip (2, xd->metering_mode, ed->metering_mode);
	md.city = tracker_coalesce_strip (2, xd->city, id->city);
	md.state = tracker_coalesce_strip (2, xd->state, id->state);
	md.address = tracker_coalesce_strip (2, xd->address, id->sublocation);
	md.country = tracker_coalesce_strip (2, xd->country, id->country_name);

	/* FIXME We are not handling the altitude ref here for xmp */
	md.gps_altitude = tracker_coalesce_strip (2, xd->gps_altitude, ed->gps_altitude);
	md.gps_latitude = tracker_coalesce_strip (2, xd->gps_latitude, ed->gps_latitude);
	md.gps_longitude = tracker_coalesce_strip (2, xd->gps_longitude, ed->gps_longitude);
	md.gps_direction = tracker_coalesce_strip (2, xd->gps_direction, ed->gps_direction);
	md.creator = tracker_coalesce_strip (3, xd->creator, id->byline, id->credit);
	md.x_dimension = tracker_coalesce_strip (2, td.width, ed->x_dimension);
	md.y_dimension = tracker_coalesce_strip (2, td.length, ed->y_dimension);
	md.make = tracker_coalesce_strip (3, xd->make, td.make, ed->make);
	md.model = tracker_coalesce_strip (3, xd->model, td.model, ed->model);

	keywords = g_ptr_array_new_with_free_func ((GDestroyNotify) g_free);

	if (ed->user_comment) {
		tracker_sparql_builder_predicate (metadata, "nie:comment");
		tracker_sparql_builder_object_unvalidated (metadata, ed->user_comment);
	}

	if (md.x_dimension) {
		tracker_sparql_builder_predicate (metadata, "nfo:width");
		tracker_sparql_builder_object_unvalidated (metadata, md.x_dimension);
	}

	if (md.y_dimension) {
		tracker_sparql_builder_predicate (metadata, "nfo:height");
		tracker_sparql_builder_object_unvalidated (metadata, md.y_dimension);
	}

	if (xd->keywords) {
		tracker_keywords_parse (keywords, xd->keywords);
	}

	if (xd->pdf_keywords) {
		tracker_keywords_parse (keywords, xd->pdf_keywords);
	}

	if (xd->subject) {
		tracker_keywords_parse (keywords, xd->subject);
	}

	if (xd->publisher) {
		gchar *uri = tracker_sparql_escape_uri_printf ("urn:contact:%s", xd->publisher);

		tracker_sparql_builder_insert_open (preupdate, NULL);
		if (graph) {
			tracker_sparql_builder_graph_open (preupdate, graph);
		}

		tracker_sparql_builder_subject_iri (preupdate, uri);
		tracker_sparql_builder_predicate (preupdate, "a");
		tracker_sparql_builder_object (preupdate, "nco:Contact");
		tracker_sparql_builder_predicate (preupdate, "nco:fullname");
		tracker_sparql_builder_object_unvalidated (preupdate, xd->publisher);

		if (graph) {
			tracker_sparql_builder_graph_close (preupdate);
		}
		tracker_sparql_builder_insert_close (preupdate);

		tracker_sparql_builder_predicate (metadata, "nco:publisher");
		tracker_sparql_builder_object_iri (metadata, uri);
		g_free (uri);
	}

	if (xd->type) {
		tracker_sparql_builder_predicate (metadata, "dc:type");
		tracker_sparql_builder_object_unvalidated (metadata, xd->type);
	}

	if (xd->format) {
		tracker_sparql_builder_predicate (metadata, "dc:format");
		tracker_sparql_builder_object_unvalidated (metadata, xd->format);
	}

	if (xd->identifier) {
		tracker_sparql_builder_predicate (metadata, "dc:identifier");
		tracker_sparql_builder_object_unvalidated (metadata, xd->identifier);
	}

	if (xd->source) {
		tracker_sparql_builder_predicate (metadata, "dc:source");
		tracker_sparql_builder_object_unvalidated (metadata, xd->source);
	}

	if (xd->language) {
		tracker_sparql_builder_predicate (metadata, "dc:language");
		tracker_sparql_builder_object_unvalidated (metadata, xd->language);
	}

	if (xd->relation) {
		tracker_sparql_builder_predicate (metadata, "dc:relation");
		tracker_sparql_builder_object_unvalidated (metadata, xd->relation);
	}

	if (xd->coverage) {
		tracker_sparql_builder_predicate (metadata, "dc:coverage");
		tracker_sparql_builder_object_unvalidated (metadata, xd->coverage);
	}

	if (xd->rating) {
		tracker_sparql_builder_predicate (metadata, "nao:numericRating");
		tracker_sparql_builder_object_unvalidated (metadata, xd->rating);
	}

	if (xd->license) {
		tracker_sparql_builder_predicate (metadata, "nie:license");
		tracker_sparql_builder_object_unvalidated (metadata, xd->license);
	}

        if (xd->regions) {
	        tracker_xmp_apply_regions (preupdate, metadata, graph, xd);
        }

	if (md.address || md.state || md.country || md.city ||
	    md.gps_altitude || md.gps_latitude || md.gps_longitude) {

		tracker_sparql_builder_predicate (metadata, "slo:location");

		tracker_sparql_builder_object_blank_open (metadata); /* GeoPoint */
		tracker_sparql_builder_predicate (metadata, "a");
		tracker_sparql_builder_object (metadata, "slo:GeoLocation");

		if (md.address || md.state || md.country || md.city) {
			gchar *addruri;

			addruri = tracker_sparql_get_uuid_urn ();

			tracker_sparql_builder_predicate (metadata, "slo:postalAddress");
			tracker_sparql_builder_object_iri (metadata, addruri);

			tracker_sparql_builder_insert_open (preupdate, NULL);
			if (graph) {
				tracker_sparql_builder_graph_open (preupdate, graph);
			}

			tracker_sparql_builder_subject_iri (preupdate, addruri);

			g_free (addruri);

			tracker_sparql_builder_predicate (preupdate, "a");
			tracker_sparql_builder_object (preupdate, "nco:PostalAddress");

			if (md.address) {
				tracker_sparql_builder_predicate (preupdate, "nco:streetAddress");
				tracker_sparql_builder_object_unvalidated (preupdate, md.address);
			}

			if (md.state) {
				tracker_sparql_builder_predicate (preupdate, "nco:region");
				tracker_sparql_builder_object_unvalidated (preupdate, md.state);
			}

			if (md.city) {
				tracker_sparql_builder_predicate (preupdate, "nco:locality");
				tracker_sparql_builder_object_unvalidated (preupdate, md.city);
			}

			if (md.country) {
				tracker_sparql_builder_predicate (preupdate, "nco:country");
				tracker_sparql_builder_object_unvalidated (preupdate, md.country);
			}

			if (graph) {
				tracker_sparql_builder_graph_close (preupdate);
			}
			tracker_sparql_builder_insert_close (preupdate);
		}

		if (md.gps_altitude) {
			tracker_sparql_builder_predicate (metadata, "slo:altitude");
			tracker_sparql_builder_object_unvalidated (metadata, md.gps_altitude);
		}

		if (md.gps_latitude) {
			tracker_sparql_builder_predicate (metadata, "slo:latitude");
			tracker_sparql_builder_object_unvalidated (metadata, md.gps_latitude);
		}

		if (md.gps_longitude) {
			tracker_sparql_builder_predicate (metadata, "slo:longitude");
			tracker_sparql_builder_object_unvalidated (metadata, md.gps_longitude);
		}

		tracker_sparql_builder_object_blank_close (metadata); /* GeoLocation */
	}

	if (md.gps_direction) {
		tracker_sparql_builder_predicate (metadata, "nfo:heading");
		tracker_sparql_builder_object_unvalidated (metadata, md.gps_direction);
	}

	if (id->contact) {
		gchar *uri = tracker_sparql_escape_uri_printf ("urn:contact:%s", id->contact);

		tracker_sparql_builder_insert_open (preupdate, NULL);
		if (graph) {
			tracker_sparql_builder_graph_open (preupdate, graph);
		}

		tracker_sparql_builder_subject_iri (preupdate, uri);
		tracker_sparql_builder_predicate (preupdate, "a");
		tracker_sparql_builder_object (preupdate, "nco:Contact");
		tracker_sparql_builder_predicate (preupdate, "nco:fullname");
		tracker_sparql_builder_object_unvalidated (preupdate, id->contact);

		if (graph) {
			tracker_sparql_builder_graph_close (preupdate);
		}
		tracker_sparql_builder_insert_close (preupdate);

		tracker_sparql_builder_predicate (metadata, "nco:representative");
		tracker_sparql_builder_object_iri (metadata, uri);
		g_free (uri);
	}

	if (id->keywords) {
		tracker_keywords_parse (keywords, id->keywords);
	}

	for (i = 0; i < keywords->len; i++) {
		gchar *escaped, *subject;
		const gchar *p;

		p = g_ptr_array_index (keywords, i);
		escaped = tracker_sparql_escape_string (p);
		subject = g_strdup_printf ("_:tag%d", i + 1);

		/* ensure tag with specified label exists */
		tracker_sparql_builder_insert_open (preupdate, graph);
		tracker_sparql_builder_subject (preupdate, subject);
		tracker_sparql_builder_predicate (preupdate, "a");
		tracker_sparql_builder_object (preupdate, "nao:Tag");
		tracker_sparql_builder_predicate (preupdate, "nao:prefLabel");
		tracker_sparql_builder_object_unvalidated (preupdate, escaped);
		tracker_sparql_builder_insert_close (preupdate);
		tracker_sparql_builder_append (preupdate,
		                               "WHERE { FILTER (NOT EXISTS { "
		                               "?tag a nao:Tag ; nao:prefLabel \"");
		tracker_sparql_builder_append (preupdate, escaped);
		tracker_sparql_builder_append (preupdate,
		                               "\" }) }\n");

		/* associate file with tag */
		tracker_sparql_builder_insert_open (preupdate, graph);
		tracker_sparql_builder_subject_iri (preupdate, urn);
		tracker_sparql_builder_predicate (preupdate, "nao:hasTag");
		tracker_sparql_builder_object (preupdate, "?tag");
		tracker_sparql_builder_insert_close (preupdate);
		tracker_sparql_builder_where_open (preupdate);
		tracker_sparql_builder_subject (preupdate, "?tag");
		tracker_sparql_builder_predicate (preupdate, "a");
		tracker_sparql_builder_object (preupdate, "nao:Tag");
		tracker_sparql_builder_predicate (preupdate, "nao:prefLabel");
		tracker_sparql_builder_object_unvalidated (preupdate, escaped);
		tracker_sparql_builder_where_close (preupdate);

		g_free (subject);
		g_free (escaped);
	}
	g_ptr_array_free (keywords, TRUE);

	if (md.make || md.model) {
		gchar *equip_uri;

		equip_uri = tracker_sparql_escape_uri_printf ("urn:equipment:%s:%s:",
		                                              md.make ? md.make : "",
		                                              md.model ? md.model : "");

		tracker_sparql_builder_insert_open (preupdate, NULL);
		if (graph) {
			tracker_sparql_builder_graph_open (preupdate, graph);
		}

		tracker_sparql_builder_subject_iri (preupdate, equip_uri);
		tracker_sparql_builder_predicate (preupdate, "a");
		tracker_sparql_builder_object (preupdate, "nfo:Equipment");

		if (md.make) {
			tracker_sparql_builder_predicate (preupdate, "nfo:manufacturer");
			tracker_sparql_builder_object_unvalidated (preupdate, md.make);
		}
		if (md.model) {
			tracker_sparql_builder_predicate (preupdate, "nfo:model");
			tracker_sparql_builder_object_unvalidated (preupdate, md.model);
		}

		if (graph) {
			tracker_sparql_builder_graph_close (preupdate);
		}
		tracker_sparql_builder_insert_close (preupdate);

		tracker_sparql_builder_predicate (metadata, "nfo:equipment");
		tracker_sparql_builder_object_iri (metadata, equip_uri);
		g_free (equip_uri);
	}

	tracker_guarantee_title_from_file (metadata,
	                                   "nie:title",
	                                   md.title,
	                                   uri,
	                                   NULL);

	if (md.orientation) {
		tracker_sparql_builder_predicate (metadata, "nfo:orientation");
		tracker_sparql_builder_object_unvalidated (metadata, md.orientation);
	}

	if (md.copyright) {
		tracker_sparql_builder_predicate (metadata, "nie:copyright");
		tracker_sparql_builder_object_unvalidated (metadata, md.copyright);
	}

	if (md.white_balance) {
		tracker_sparql_builder_predicate (metadata, "nmm:whiteBalance");
		tracker_sparql_builder_object_unvalidated (metadata, md.white_balance);
	}

	if (md.fnumber) {
		tracker_sparql_builder_predicate (metadata, "nmm:fnumber");
		tracker_sparql_builder_object_unvalidated (metadata, md.fnumber);
	}

	if (md.flash) {
		tracker_sparql_builder_predicate (metadata, "nmm:flash");
		tracker_sparql_builder_object_unvalidated (metadata, md.flash);
	}

	if (md.focal_length) {
		tracker_sparql_builder_predicate (metadata, "nmm:focalLength");
		tracker_sparql_builder_object_unvalidated (metadata, md.focal_length);
	}

	if (md.artist) {
		gchar *uri = tracker_sparql_escape_uri_printf ("urn:contact:%s", md.artist);

		tracker_sparql_builder_insert_open (preupdate, NULL);
		if (graph) {
			tracker_sparql_builder_graph_open (preupdate, graph);
		}

		tracker_sparql_builder_subject_iri (preupdate, uri);
		tracker_sparql_builder_predicate (preupdate, "a");
		tracker_sparql_builder_object (preupdate, "nco:Contact");
		tracker_sparql_builder_predicate (preupdate, "nco:fullname");
		tracker_sparql_builder_object_unvalidated (preupdate, md.artist);

		if (graph) {
			tracker_sparql_builder_graph_close (preupdate);
		}
		tracker_sparql_builder_insert_close (preupdate);

		tracker_sparql_builder_predicate (metadata, "nco:contributor");
		tracker_sparql_builder_object_iri (metadata, uri);
		g_free (uri);
	}

	if (md.exposure_time) {
		tracker_sparql_builder_predicate (metadata, "nmm:exposureTime");
		tracker_sparql_builder_object_unvalidated (metadata, md.exposure_time);
	}

	if (md.iso_speed_ratings) {
		tracker_sparql_builder_predicate (metadata, "nmm:isoSpeed");
		tracker_sparql_builder_object_unvalidated (metadata, md.iso_speed_ratings);
	}

	tracker_guarantee_date_from_file_mtime (metadata,
	                                        "nie:contentCreated",
	                                        md.date,
	                                        uri);

	if (md.description) {
		tracker_sparql_builder_predicate (metadata, "nie:description");
		tracker_sparql_builder_object_unvalidated (metadata, md.description);
	}

	if (md.metering_mode) {
		tracker_sparql_builder_predicate (metadata, "nmm:meteringMode");
		tracker_sparql_builder_object_unvalidated (metadata, md.metering_mode);
	}

	if (md.creator) {
		gchar *uri = tracker_sparql_escape_uri_printf ("urn:contact:%s", md.creator);

		tracker_sparql_builder_insert_open (preupdate, NULL);
		if (graph) {
			tracker_sparql_builder_graph_open (preupdate, graph);
		}

		tracker_sparql_builder_subject_iri (preupdate, uri);
		tracker_sparql_builder_predicate (preupdate, "a");
		tracker_sparql_builder_object (preupdate, "nco:Contact");
		tracker_sparql_builder_predicate (preupdate, "nco:fullname");
		tracker_sparql_builder_object_unvalidated (preupdate, md.creator);

		if (graph) {
			tracker_sparql_builder_graph_close (preupdate);
		}
		tracker_sparql_builder_insert_close (preupdate);

		/* NOTE: We only have affiliation with
		 * nco:PersonContact and we are using
		 * nco:Contact here.
		 */

		/* if (id->byline_title) { */
		/* 	tracker_sparql_builder_insert_open (preupdate, NULL); */

		/* 	tracker_sparql_builder_subject (preupdate, "_:affiliation_by_line"); */
		/* 	tracker_sparql_builder_predicate (preupdate, "a"); */
		/* 	tracker_sparql_builder_object (preupdate, "nco:Affiliation"); */

		/* 	tracker_sparql_builder_predicate (preupdate, "nco:title"); */
		/* 	tracker_sparql_builder_object_unvalidated (preupdate, id->byline_title); */

		/* 	tracker_sparql_builder_insert_close (preupdate); */

		/* 	tracker_sparql_builder_predicate (metadata, "a"); */
		/* 	tracker_sparql_builder_object (metadata, "nco:PersonContact"); */
		/* 	tracker_sparql_builder_predicate (metadata, "nco:hasAffiliation"); */
		/* 	tracker_sparql_builder_object (metadata, "_:affiliation_by_line"); */
		/* } */

		tracker_sparql_builder_predicate (metadata, "nco:creator");
		tracker_sparql_builder_object_iri (metadata, uri);
		g_free (uri);
	}

	if (ed->x_resolution) {
		gdouble value;

		value = ed->resolution_unit != 3 ? g_strtod (ed->x_resolution, NULL) : g_strtod (ed->x_resolution, NULL) * CM_TO_INCH;
		tracker_sparql_builder_predicate (metadata, "nfo:horizontalResolution");
		tracker_sparql_builder_object_double (metadata, value);
	}

	if (ed->y_resolution) {
		gdouble value;

		value = ed->resolution_unit != 3 ? g_strtod (ed->y_resolution, NULL) : g_strtod (ed->y_resolution, NULL) * CM_TO_INCH;
		tracker_sparql_builder_predicate (metadata, "nfo:verticalResolution");
		tracker_sparql_builder_object_double (metadata, value);
	}

	tiff_data_free (&td);
	tracker_exif_free (ed);
	tracker_xmp_free (xd);
	tracker_iptc_free (id);
	g_free (uri);
	close (fd);

	return TRUE;
}
Ejemplo n.º 7
0
char *loadTiff3D2Metadata ( char * filename, unsigned int &sz0, unsigned int  &sz1, unsigned int  &sz2, unsigned int  &sz3, int &datatype, int &b_swap, void * &fhandle, int &header_len ) {

    // 2015-01-30. Alessandro. @ADDED performance (time) measurement in all most time-consuming methods.
    #ifdef _VAA3D_TERAFLY_PLUGIN_MODE
    TERAFLY_TIME_START(TiffLoadMetadata)
    #endif

	uint32 XSIZE;
	uint32 YSIZE;
	uint16 bpp;
	uint16 spp;
	uint16 Cpage;
	uint16 Npages;
    TIFF *input;
    int check;

	input=TIFFOpen(filename,"r");
	if (!input)
    {
		//throw iim::IOException(strprintf("in IOManager::readTiffMultipage(...): Cannot open the file %s",finName).c_str());
		return ((char *) "Cannot open the file.");
    }

	check=TIFFGetField(input, TIFFTAG_IMAGEWIDTH, &XSIZE);
	if (!check)
	{
		TIFFClose(input);
		//throw iim::IOException(strprintf("in IOManager::readTiffMultipage(...): Image length of %s undefined\n", finName).c_str());
		return ((char *) "Image width of undefined.");
	}		
    
	check=TIFFGetField(input, TIFFTAG_IMAGELENGTH, &YSIZE);
	if (!check)
	{
		TIFFClose(input);
		//throw iim::IOException(strprintf("in IOManager::readTiffMultipage(...): Image length of %s undefined\n", finName).c_str());
		return ((char *) "Image length of undefined.");
	}		
    
	check=TIFFGetField(input, TIFFTAG_BITSPERSAMPLE, &bpp); 
	if (!check)
	{
		TIFFClose(input);
		//throw iim::IOException(strprintf("in IOManager::readTiffMultipage(...): Undefined bits per sample in %s \n", finName).c_str());
		return ((char *) "Undefined bits per sample.");
	}

	check=TIFFGetField(input, TIFFTAG_SAMPLESPERPIXEL, &spp);
	if (!check)
	{
		TIFFClose(input);
		//throw iim::IOException(strprintf("in IOManager::readTiffMultipage(...): Undefined bits per sample in %s \n", finName).c_str());
		return ((char *) "Undefined samples per pixel.");
	}

	// Onofri
	check=TIFFGetField(input, TIFFTAG_PAGENUMBER, &Cpage, &Npages);
	if (!check || Npages==0) { // the tag has not been read correctly
		// Add warning?
		Npages = 0;
		do {
			Npages++;
		} while ( TIFFReadDirectory(input) );
	}

	sz0 = XSIZE;
	sz1 = YSIZE;
	sz2 = Npages;
	sz3 = spp;
	datatype = bpp/8;

	//b_swap = 0;
	b_swap=TIFFIsByteSwapped(input);
	fhandle = (void *) input;
	header_len = -1;

	// the file must non be closed (it is responsibility of the caller)
	//TIFFClose(input);

    // 2015-01-30. Alessandro. @ADDED performance (time) measurement in all most time-consuming methods.
    #ifdef _VAA3D_TERAFLY_PLUGIN_MODE
    TERAFLY_TIME_STOP(TiffLoadMetadata, itm::IO, itm::strprintf("successfully loaded metadata from file \"%s\"", filename))
    #endif

	return ((char *) 0);
}
static void TIFFWriteOvrRow( TIFFOvrCache * psCache )

{
    int		nRet, iTileX, iTileY = psCache->nBlockOffset;
    unsigned char *pabyData;
    uint32	nBaseDirOffset;
    uint32 RowsInStrip;

/* -------------------------------------------------------------------- */
/*      If the output cache is multi-byte per sample, and the file      */
/*      being written to is of a different byte order than the current  */
/*      platform, we will need to byte swap the data.                   */
/* -------------------------------------------------------------------- */
    if( TIFFIsByteSwapped(psCache->hTIFF) )
    {
        if( psCache->nBitsPerPixel == 16 )
            TIFFSwabArrayOfShort( (uint16 *) psCache->pabyRow1Blocks,
                      (psCache->nBytesPerBlock * psCache->nSamples) / 2 );

        else if( psCache->nBitsPerPixel == 32 )
            TIFFSwabArrayOfLong( (uint32 *) psCache->pabyRow1Blocks,
                         (psCache->nBytesPerBlock * psCache->nSamples) / 4 );

        else if( psCache->nBitsPerPixel == 64 )
            TIFFSwabArrayOfDouble( (double *) psCache->pabyRow1Blocks,
                         (psCache->nBytesPerBlock * psCache->nSamples) / 8 );
    }

/* -------------------------------------------------------------------- */
/*      Record original directory position, so we can restore it at     */
/*      end.                                                            */
/* -------------------------------------------------------------------- */
    nBaseDirOffset = TIFFCurrentDirOffset( psCache->hTIFF );
    nRet = TIFFSetSubDirectory( psCache->hTIFF, psCache->nDirOffset );
    assert( nRet == 1 );

/* -------------------------------------------------------------------- */
/*      Write blocks to TIFF file.                                      */
/* -------------------------------------------------------------------- */
	for( iTileX = 0; iTileX < psCache->nBlocksPerRow; iTileX++ )
	{
		int nTileID;

		if (psCache->nPlanarConfig == PLANARCONFIG_SEPARATE)
		{
			int iSample;

			for( iSample = 0; iSample < psCache->nSamples; iSample++ )
			{
				pabyData = TIFFGetOvrBlock( psCache, iTileX, iTileY, iSample );

				if( psCache->bTiled )
				{
					nTileID = TIFFComputeTile( psCache->hTIFF,
					    iTileX * psCache->nBlockXSize,
					    iTileY * psCache->nBlockYSize,
					    0, (tsample_t) iSample );
					TIFFWriteEncodedTile( psCache->hTIFF, nTileID,
					    pabyData,
					    TIFFTileSize(psCache->hTIFF) );
				}
				else
				{
					nTileID = TIFFComputeStrip( psCache->hTIFF,
					    iTileY * psCache->nBlockYSize,
					    (tsample_t) iSample );
					RowsInStrip=psCache->nBlockYSize;
					if ((iTileY+1)*psCache->nBlockYSize>psCache->nYSize)
						RowsInStrip=psCache->nYSize-iTileY*psCache->nBlockYSize;
					TIFFWriteEncodedStrip( psCache->hTIFF, nTileID,
					    pabyData,
					    TIFFVStripSize(psCache->hTIFF,RowsInStrip) );
				}
			}

		}
		else
		{
			pabyData = TIFFGetOvrBlock( psCache, iTileX, iTileY, 0 );

			if( psCache->bTiled )
			{
				nTileID = TIFFComputeTile( psCache->hTIFF,
				    iTileX * psCache->nBlockXSize,
				    iTileY * psCache->nBlockYSize,
				    0, 0 );
				TIFFWriteEncodedTile( psCache->hTIFF, nTileID,
				    pabyData,
				    TIFFTileSize(psCache->hTIFF) );
			}
			else
			{
				nTileID = TIFFComputeStrip( psCache->hTIFF,
				    iTileY * psCache->nBlockYSize,
				    0 );
				RowsInStrip=psCache->nBlockYSize;
				if ((iTileY+1)*psCache->nBlockYSize>psCache->nYSize)
					RowsInStrip=psCache->nYSize-iTileY*psCache->nBlockYSize;
				TIFFWriteEncodedStrip( psCache->hTIFF, nTileID,
				    pabyData,
				    TIFFVStripSize(psCache->hTIFF,RowsInStrip) );
			}
		}
	}
	/* TODO: add checks on error status return of TIFFWriteEncodedTile and TIFFWriteEncodedStrip */

/* -------------------------------------------------------------------- */
/*      Rotate buffers.                                                 */
/* -------------------------------------------------------------------- */
    pabyData = psCache->pabyRow1Blocks;
    psCache->pabyRow1Blocks = psCache->pabyRow2Blocks;
    psCache->pabyRow2Blocks = pabyData;

    _TIFFmemset( pabyData, 0, psCache->nBytesPerRow );

    psCache->nBlockOffset++;

/* -------------------------------------------------------------------- */
/*      Restore access to original directory.                           */
/* -------------------------------------------------------------------- */
    TIFFFlush( psCache->hTIFF );
    /* TODO: add checks on error status return of TIFFFlush */
    TIFFSetSubDirectory( psCache->hTIFF, nBaseDirOffset );
    /* TODO: add checks on error status return of TIFFSetSubDirectory */
}
Ejemplo n.º 9
0
/* scans first IDF and returns the type of the n-th tag */
ifd_entry_t TIFFGetRawTagIFDListEntry( TIFF  * tif, int tagidx ) {
  int count = TIFFGetRawTagListCount( tif);
#ifdef DEBUG
  printf(" count of tags = %i\n", count);
#endif
  int fd = TIFFFileno( tif);
  //printf("count %i\n", count);
  /* read count of tags (2 Bytes) */
  int i;
  ifd_entry_t ifd_entry;
  /* replace i/o operatrions with in-memory-operations */
  uint8 * ifdentries = NULL;
  ifdentries = malloc ( sizeof(uint8) * 12 * count);
  if (read(fd, ifdentries, 12 * count) != 12*count) {
    perror ("TIFF Header read error4");
    exit(EXIT_FAILURE);
  }
  uint8 * e = ifdentries;
  for (i = 0; i<count; i++) {
    uint8 lo = *e;
    e++;
    uint8 hi = *e;
    uint16 tagid = (hi << 8) + lo;
    e++;
    if (TIFFIsByteSwapped(tif))
      TIFFSwabShort(&tagid);
    if (i == tagidx) {
      // tag type check
      lo = *e; e++;
      hi = *e; e++;
      uint16 tagtype = (hi << 8) + lo;
      if (TIFFIsByteSwapped(tif))
        TIFFSwabShort(&tagtype);
      
      uint32 count = (*(e++));
      count += (*(e++) << 8);
      count += (*(e++) << 16);
      count += (*(e++) << 24);
      if (TIFFIsByteSwapped(tif))
        TIFFSwabLong( &count);
#ifdef DEBUG
printf("\ncount=%0x\n\n", count);
#endif
      
      /*  is value or offset? */
      /*  TODO */
      ifd_entry.count=count;
      ifd_entry.datatype=tagtype;
      uint8 data[4];
      data[0] = *(e++);
      data[1] = *(e++);
      data[2] = *(e++);
      data[3] = *(e++);
      uint32 value_or_offset = (data[0]);
            value_or_offset += (data[1] << 8);
            value_or_offset += (data[2] << 16);
            value_or_offset += (data[3] << 24);
            if (TIFFIsByteSwapped(tif))
              TIFFSwabLong( &value_or_offset);
      switch( tagtype) {
        case 1: /* 8-bit unsigned integer */
        case 2: /* 8-bit bytes w/ last byte null */
        case 6: /* !8-bit signed integer */
        case 7: /* !8-bit untyped data */
          if (count > 4) { /* offset */ 
            ifd_entry.value_or_offset=is_offset;
            ifd_entry.data32offset=value_or_offset;
          } else { /*  values */ 
            ifd_entry.value_or_offset=is_value;
            ifd_entry.data8[0] = data[0];
            ifd_entry.data8[1] = data[1];
            ifd_entry.data8[2] = data[2];
            ifd_entry.data8[3] = data[3];
#ifdef DEBUG
            printf("data8[0]=%u\n", data[0]);
            printf("data8[1]=%u\n", data[1]);
            printf("data8[2]=%u\n", data[2]);
            printf("data8[3]=%u\n", data[3]);
#endif
          }; break;
        case 3: /* 16-bit unsigned integer */
        case 8: /* !16-bit signed integer */
          if (count > 2) { /* offset */  
            ifd_entry.value_or_offset=is_offset; 
            ifd_entry.data32offset=value_or_offset;
          } else { /*  values */  
            ifd_entry.value_or_offset=is_value;
            uint16 w0 = (data[0]) + (data[1]<<8);
            uint16 w1 = (data[2]) + (data[3]<<8);
            if (TIFFIsByteSwapped(tif)) {
              TIFFSwabShort( &w0 ); 
              TIFFSwabShort( &w1 );
            }
            ifd_entry.data16[0] = w0;
            ifd_entry.data16[1] = w1;
#ifdef DEBUG
            printf("data16[0]=%u\n", w0);
            printf("data16[1]=%u\n", w1);
#endif
          }; break;
        case 4: /* 32-bit unsigned integer */
        case 9: /* !32-bit signed integer */
          if (count > 1) { /* offset */ 
            ifd_entry.value_or_offset=is_offset;
            ifd_entry.data32offset=value_or_offset;
          } else { /*  values */   
            ifd_entry.value_or_offset=is_value;
            ifd_entry.data32=value_or_offset;
#ifdef DEBUG
            printf("data32[0]=%u\n", value_or_offset);
#endif
          }; break;
        case 5: /* 64-bit unsigned fraction */
        case 10: /* !64-bit signed fraction */
        case 11: /* !32-bit IEEE floating point */
        case 12: /* !64-bit IEEE floating point */
	case 13: /* %32-bit unsigned integer (offset) */
	case 16: /* BigTIFF 64-bit unsigned integer */
	case 17: /* BigTIFF 64-bit signed integer */
	case 18: /* BigTIFF 64-bit unsigned integer (offset) */
          ifd_entry.value_or_offset=is_offset; 
          ifd_entry.data32offset=value_or_offset;

      }
      free( ifdentries );
#ifdef DEBUG
      printf("tag idx=%i, tag=%u (0x%04x) tagtype=0x%04x is_offset=%s count=%d value_or_offset=0x%08x\n", i, tagid, tagid, tagtype, (ifd_entry.value_or_offset==is_offset ? "true" : "false"), count, value_or_offset);
#endif
      return ifd_entry;
    }
    e+=10;
  }
  /* loop each tag until end or given tag found */
  free( ifdentries );
  return ifd_entry;
}
Ejemplo n.º 10
0
 bool are_bytes_swapped()
 {
     return ( TIFFIsByteSwapped( _tiff_file.get() )) ? true : false;
 }
Ejemplo n.º 11
0
void
TIFFInput::readspec (bool read_meta)
{
    uint32 width = 0, height = 0, depth = 0;
    unsigned short nchans = 1;
    TIFFGetField (m_tif, TIFFTAG_IMAGEWIDTH, &width);
    TIFFGetField (m_tif, TIFFTAG_IMAGELENGTH, &height);
    TIFFGetFieldDefaulted (m_tif, TIFFTAG_IMAGEDEPTH, &depth);
    TIFFGetFieldDefaulted (m_tif, TIFFTAG_SAMPLESPERPIXEL, &nchans);

    if (read_meta) {
        // clear the whole m_spec and start fresh
        m_spec = ImageSpec ((int)width, (int)height, (int)nchans);
    } else {
        // assume m_spec is valid, except for things that might differ
        // between MIP levels
        m_spec.width = (int)width;
        m_spec.height = (int)height;
        m_spec.depth = (int)depth;
        m_spec.full_x = 0;
        m_spec.full_y = 0;
        m_spec.full_z = 0;
        m_spec.full_width = (int)width;
        m_spec.full_height = (int)height;
        m_spec.full_depth = (int)depth;
        m_spec.nchannels = (int)nchans;
    }

    float x = 0, y = 0;
    TIFFGetField (m_tif, TIFFTAG_XPOSITION, &x);
    TIFFGetField (m_tif, TIFFTAG_YPOSITION, &y);
    m_spec.x = (int)x;
    m_spec.y = (int)y;
    m_spec.z = 0;
    // FIXME? - TIFF spec describes the positions as in resolutionunit.
    // What happens if this is not unitless pixels?  Are we interpreting
    // it all wrong?

    if (TIFFGetField (m_tif, TIFFTAG_PIXAR_IMAGEFULLWIDTH, &width) == 1
          && width > 0)
        m_spec.full_width = width;
    if (TIFFGetField (m_tif, TIFFTAG_PIXAR_IMAGEFULLLENGTH, &height) == 1
          && height > 0)
        m_spec.full_height = height;

    if (TIFFIsTiled (m_tif)) {
        TIFFGetField (m_tif, TIFFTAG_TILEWIDTH, &m_spec.tile_width);
        TIFFGetField (m_tif, TIFFTAG_TILELENGTH, &m_spec.tile_height);
        TIFFGetFieldDefaulted (m_tif, TIFFTAG_TILEDEPTH, &m_spec.tile_depth);
    } else {
        m_spec.tile_width = 0;
        m_spec.tile_height = 0;
        m_spec.tile_depth = 0;
    }

    m_bitspersample = 8;
    TIFFGetField (m_tif, TIFFTAG_BITSPERSAMPLE, &m_bitspersample);
    m_spec.attribute ("oiio:BitsPerSample", (int)m_bitspersample);

    unsigned short sampleformat = SAMPLEFORMAT_UINT;
    TIFFGetFieldDefaulted (m_tif, TIFFTAG_SAMPLEFORMAT, &sampleformat);
    switch (m_bitspersample) {
    case 1:
    case 2:
    case 4:
    case 6:
        // Make 1, 2, 4, 6 bpp look like byte images
    case 8:
        if (sampleformat == SAMPLEFORMAT_UINT)
            m_spec.set_format (TypeDesc::UINT8);
        else if (sampleformat == SAMPLEFORMAT_INT)
            m_spec.set_format (TypeDesc::INT8);
        else m_spec.set_format (TypeDesc::UINT8);  // punt
        break;
    case 10:
    case 12:
    case 14:
        // Make 10, 12, 14 bpp look like 16 bit images
    case 16:
        if (sampleformat == SAMPLEFORMAT_UINT)
            m_spec.set_format (TypeDesc::UINT16);
        else if (sampleformat == SAMPLEFORMAT_INT)
            m_spec.set_format (TypeDesc::INT16);
        else if (sampleformat == SAMPLEFORMAT_IEEEFP)
            m_spec.set_format (TypeDesc::HALF); // not to spec, but why not?
        else
            m_spec.set_format (TypeDesc::UNKNOWN);
        break;
    case 32:
        if (sampleformat == SAMPLEFORMAT_IEEEFP)
            m_spec.set_format (TypeDesc::FLOAT);
        else if (sampleformat == SAMPLEFORMAT_UINT)
            m_spec.set_format (TypeDesc::UINT32);
        else if (sampleformat == SAMPLEFORMAT_INT)
            m_spec.set_format (TypeDesc::INT32);
        else
            m_spec.set_format (TypeDesc::UNKNOWN);
        break;
    case 64:
        if (sampleformat == SAMPLEFORMAT_IEEEFP)
            m_spec.set_format (TypeDesc::DOUBLE);
        else
            m_spec.set_format (TypeDesc::UNKNOWN);
        break;
    default:
        m_spec.set_format (TypeDesc::UNKNOWN);
        break;
    }

    // If we've been instructed to skip reading metadata, because it is
    // guaranteed to be identical to what we already have in m_spec,
    // skip everything following.
    if (! read_meta)
        return;

    // Use the table for all the obvious things that can be mindlessly
    // shoved into the image spec.
    for (int i = 0;  tiff_tag_table[i].name;  ++i)
        find_tag (tiff_tag_table[i].tifftag,
                  tiff_tag_table[i].tifftype, tiff_tag_table[i].name);

    // Now we need to get fields "by hand" for anything else that is less
    // straightforward...

    m_photometric = (m_spec.nchannels == 1 ? PHOTOMETRIC_MINISBLACK : PHOTOMETRIC_RGB);
    TIFFGetField (m_tif, TIFFTAG_PHOTOMETRIC, &m_photometric);
    m_spec.attribute ("tiff:PhotometricInterpretation", (int)m_photometric);
    if (m_photometric == PHOTOMETRIC_PALETTE) {
        // Read the color map
        unsigned short *r = NULL, *g = NULL, *b = NULL;
        TIFFGetField (m_tif, TIFFTAG_COLORMAP, &r, &g, &b);
        ASSERT (r != NULL && g != NULL && b != NULL);
        m_colormap.clear ();
        m_colormap.insert (m_colormap.end(), r, r + (1 << m_bitspersample));
        m_colormap.insert (m_colormap.end(), g, g + (1 << m_bitspersample));
        m_colormap.insert (m_colormap.end(), b, b + (1 << m_bitspersample));
        // Palette TIFF images are always 3 channels (to the client)
        m_spec.nchannels = 3;
        m_spec.default_channel_names ();
        // FIXME - what about palette + extra (alpha?) channels?  Is that
        // allowed?  And if so, ever encountered in the wild?
    }

    TIFFGetFieldDefaulted (m_tif, TIFFTAG_PLANARCONFIG, &m_planarconfig);
    m_separate = (m_planarconfig == PLANARCONFIG_SEPARATE &&
                  m_spec.nchannels > 1 &&
                  m_photometric != PHOTOMETRIC_PALETTE);
    m_spec.attribute ("tiff:PlanarConfiguration", (int)m_planarconfig);
    if (m_planarconfig == PLANARCONFIG_SEPARATE)
        m_spec.attribute ("planarconfig", "separate");
    else
        m_spec.attribute ("planarconfig", "contig");

    int compress = 0;
    TIFFGetFieldDefaulted (m_tif, TIFFTAG_COMPRESSION, &compress);
    m_spec.attribute ("tiff:Compression", compress);
    switch (compress) {
    case COMPRESSION_NONE :
        m_spec.attribute ("compression", "none");
        break;
    case COMPRESSION_LZW :
        m_spec.attribute ("compression", "lzw");
        break;
    case COMPRESSION_CCITTRLE :
        m_spec.attribute ("compression", "ccittrle");
        break;
    case COMPRESSION_DEFLATE :
    case COMPRESSION_ADOBE_DEFLATE :
        m_spec.attribute ("compression", "zip");
        break;
    case COMPRESSION_PACKBITS :
        m_spec.attribute ("compression", "packbits");
        break;
    default:
        break;
    }

    int rowsperstrip = -1;
    if (! m_spec.tile_width) {
        TIFFGetField (m_tif, TIFFTAG_ROWSPERSTRIP, &rowsperstrip);
        if (rowsperstrip > 0)
            m_spec.attribute ("tiff:RowsPerStrip", rowsperstrip);
    }

    // The libtiff docs say that only uncompressed images, or those with
    // rowsperstrip==1, support random access to scanlines.
    m_no_random_access = (compress != COMPRESSION_NONE && rowsperstrip != 1);

    short resunit = -1;
    TIFFGetField (m_tif, TIFFTAG_RESOLUTIONUNIT, &resunit);
    switch (resunit) {
    case RESUNIT_NONE : m_spec.attribute ("ResolutionUnit", "none"); break;
    case RESUNIT_INCH : m_spec.attribute ("ResolutionUnit", "in"); break;
    case RESUNIT_CENTIMETER : m_spec.attribute ("ResolutionUnit", "cm"); break;
    }

    get_matrix_attribute ("worldtocamera", TIFFTAG_PIXAR_MATRIX_WORLDTOCAMERA);
    get_matrix_attribute ("worldtoscreen", TIFFTAG_PIXAR_MATRIX_WORLDTOSCREEN);
    get_int_attribute ("tiff:subfiletype", TIFFTAG_SUBFILETYPE);
    // FIXME -- should subfiletype be "conventionized" and used for all
    // plugins uniformly? 

    // Do we care about fillorder?  No, the TIFF spec says, "We
    // recommend that FillOrder=2 (lsb-to-msb) be used only in
    // special-purpose applications".  So OIIO will assume msb-to-lsb
    // convention until somebody finds a TIFF file in the wild that
    // breaks this assumption.

    // Special names for shadow maps
    char *s = NULL;
    TIFFGetField (m_tif, TIFFTAG_PIXAR_TEXTUREFORMAT, &s);
    if (s)
        m_emulate_mipmap = true;
    if (s && ! strcmp (s, "Shadow")) {
        for (int c = 0;  c < m_spec.nchannels;  ++c)
            m_spec.channelnames[c] = "z";
    }

    unsigned short *sampleinfo = NULL;
    unsigned short extrasamples = 0;
    TIFFGetFieldDefaulted (m_tif, TIFFTAG_EXTRASAMPLES, &extrasamples, &sampleinfo);
    // std::cerr << "Extra samples = " << extrasamples << "\n";
    bool alpha_is_unassociated = false;  // basic assumption
    if (extrasamples) {
        // If the TIFF ExtraSamples tag was specified, use that to figure
        // out the meaning of alpha.
        int colorchannels = 3;
        if (m_photometric == PHOTOMETRIC_MINISWHITE ||
              m_photometric == PHOTOMETRIC_MINISBLACK ||
              m_photometric == PHOTOMETRIC_PALETTE ||
              m_photometric == PHOTOMETRIC_MASK)
            colorchannels = 1;
        for (int i = 0, c = colorchannels;
             i < extrasamples && c < m_spec.nchannels;  ++i, ++c) {
            // std::cerr << "   extra " << i << " " << sampleinfo[i] << "\n";
            if (sampleinfo[i] == EXTRASAMPLE_ASSOCALPHA) {
                // This is the alpha channel, associated as usual
                m_spec.alpha_channel = c;
            } else if (sampleinfo[i] == EXTRASAMPLE_UNASSALPHA) {
                // This is the alpha channel, but color is unassociated
                m_spec.alpha_channel = c;
                alpha_is_unassociated = true;
                m_spec.attribute ("oiio:UnassociatedAlpha", 1);
            } else {
                DASSERT (sampleinfo[i] == EXTRASAMPLE_UNSPECIFIED);
                // This extra channel is not alpha at all.  Undo any
                // assumptions we previously made about this channel.
                if (m_spec.alpha_channel == c) {
                    m_spec.channelnames[c] = Strutil::format("channel%d", c);
                    m_spec.alpha_channel = -1;
                }
            }
        }
        if (m_spec.alpha_channel >= 0)
            m_spec.channelnames[m_spec.alpha_channel] = "A";
    }
    // Will we need to do alpha conversions?
    m_convert_alpha = (m_spec.alpha_channel >= 0 && alpha_is_unassociated &&
                       ! m_keep_unassociated_alpha);

    // N.B. we currently ignore the following TIFF fields:
    // GrayResponseCurve GrayResponseUnit
    // MaxSampleValue MinSampleValue
    // NewSubfileType SubfileType(deprecated)
    // Colorimetry fields

    // Search for an EXIF IFD in the TIFF file, and if found, rummage 
    // around for Exif fields.
#if TIFFLIB_VERSION > 20050912    /* compat with old TIFF libs - skip Exif */
    int exifoffset = 0;
    if (TIFFGetField (m_tif, TIFFTAG_EXIFIFD, &exifoffset) &&
            TIFFReadEXIFDirectory (m_tif, exifoffset)) {
        for (int i = 0;  exif_tag_table[i].name;  ++i)
            find_tag (exif_tag_table[i].tifftag, exif_tag_table[i].tifftype,
                      exif_tag_table[i].name);
        // I'm not sure what state TIFFReadEXIFDirectory leaves us.
        // So to be safe, close and re-seek.
        TIFFClose (m_tif);
#ifdef _WIN32
        std::wstring wfilename = Filesystem::path_to_windows_native (m_filename);
        m_tif = TIFFOpenW (wfilename.c_str(), "rm");
#else
        m_tif = TIFFOpen (m_filename.c_str(), "rm");
#endif
        TIFFSetDirectory (m_tif, m_subimage);

        // A few tidbits to look for
        ImageIOParameter *p;
        if ((p = m_spec.find_attribute ("Exif:ColorSpace", TypeDesc::INT))) {
            // Exif spec says that anything other than 0xffff==uncalibrated
            // should be interpreted to be sRGB.
            if (*(const int *)p->data() != 0xffff)
                m_spec.attribute ("oiio::ColorSpace", "sRGB");
        }
    }
#endif

#if TIFFLIB_VERSION >= 20051230
    // Search for IPTC metadata in IIM form -- but older versions of
    // libtiff botch the size, so ignore it for very old libtiff.
    int iptcsize = 0;
    const void *iptcdata = NULL;
    if (TIFFGetField (m_tif, TIFFTAG_RICHTIFFIPTC, &iptcsize, &iptcdata)) {
        std::vector<uint32> iptc ((uint32 *)iptcdata, (uint32 *)iptcdata+iptcsize);
        if (TIFFIsByteSwapped (m_tif))
            TIFFSwabArrayOfLong ((uint32*)&iptc[0], iptcsize);
        decode_iptc_iim (&iptc[0], iptcsize*4, m_spec);
    }
#endif

    // Search for an XML packet containing XMP (IPTC, Exif, etc.)
    int xmlsize = 0;
    const void *xmldata = NULL;
    if (TIFFGetField (m_tif, TIFFTAG_XMLPACKET, &xmlsize, &xmldata)) {
        // std::cerr << "Found XML data, size " << xmlsize << "\n";
        if (xmldata && xmlsize) {
            std::string xml ((const char *)xmldata, xmlsize);
            decode_xmp (xml, m_spec);
        }
    }

#if 0
    // Experimental -- look for photoshop data
    int photoshopsize = 0;
    const void *photoshopdata = NULL;
    if (TIFFGetField (m_tif, TIFFTAG_PHOTOSHOP, &photoshopsize, &photoshopdata)) {
        std::cerr << "Found PHOTOSHOP data, size " << photoshopsize << "\n";
        if (photoshopdata && photoshopsize) {
//            std::string photoshop ((const char *)photoshopdata, photoshopsize);
//            std::cerr << "PHOTOSHOP:\n" << photoshop << "\n---\n";
        }
    }
#endif
}
Ejemplo n.º 12
0
int vglPrintTiffInfo(char* inFilename, char* msg){
  if (msg){
    printf("====== %s:\n", msg);
  }
  else
  {
    printf("====== vglPrintTiffInfo:\n");
  }

  TIFF* tif = TIFFOpen(inFilename, "r"); 

  if (tif == NULL){
    fprintf(stderr, "%s:%s: Error: File %s not found.\n", __FILE__, __FUNCTION__, inFilename);
    return 1;
  }
  if (tif) { 
    uint32 w, h; 
    uint16 bps, spp, photo, config, pageNumber, numberPages;
    uint32 subfileType;

    tdir_t dirCount;

    tstrip_t stripMax;
    tstrip_t istrip; 
    tsize_t stripSize;

    tsize_t npixels; 
    tsize_t pixelSize; 
    
    tdata_t raster; 
    tsize_t result, offset;
    char* rasterc;

    uint32    iw, ih; 
    int i;

    do{
      TIFFPrintDirectory(tif, stdout, 255);
    }
    while(TIFFReadDirectory(tif));

    printf("TIFFScanlineSize = %ld\n", (long int) TIFFScanlineSize(tif));
    printf("TIFFRasterScanlineSize = %ld\n", (long int) TIFFRasterScanlineSize(tif));
    printf("TIFFStripSize = %ld\n", (long int) TIFFStripSize(tif));
    printf("TIFFNumberOfStrips = %d\n", TIFFNumberOfStrips(tif));
    printf("TIFFVStripSize = %ld\n", (long int) TIFFVStripSize(tif,0));

    printf("TIFFTileRowSize = %ld\n", (long int) TIFFTileRowSize(tif));
    printf("TIFFTileSize = %ld\n", (long int) TIFFTileSize(tif));
    printf("TIFFNumberOfTiles = %d\n", TIFFNumberOfTiles(tif));
    printf("TIFFVTileSize = %ld\n", (long int) TIFFVTileSize(tif,0));

    printf("TIFFDefaultStripSize = %d\n", TIFFDefaultStripSize(tif,0));

    printf("TIFFFileno = %d\n", TIFFFileno(tif));
    printf("TIFFGetMode = %d\n", TIFFGetMode(tif));
    printf("TIFFIsTiled = %d\n", TIFFIsTiled(tif));
    printf("TIFFIsByteSwapped = %d\n", TIFFIsByteSwapped(tif));
    printf("TIFFRGBAImageOK = %d\n", TIFFRGBAImageOK(tif, (char*)"TIFFRGBAImageOK mesg\n"));



    TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &w); 
    TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &h); 
    TIFFGetField(tif, TIFFTAG_BITSPERSAMPLE, &bps);
    TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &spp);
    TIFFGetField(tif, TIFFTAG_PHOTOMETRIC, &photo); 
    TIFFGetField(tif, TIFFTAG_PLANARCONFIG, &config);
    TIFFGetField(tif, TIFFTAG_PAGENUMBER, &pageNumber, &numberPages);
    TIFFGetField(tif, TIFFTAG_SUBFILETYPE, &subfileType);

    stripSize = TIFFStripSize(tif);
    stripMax = TIFFNumberOfStrips(tif);
    switch(bps){
      case 8:
        pixelSize = 1;
        break;
      case 16:
        pixelSize = 2;
        break;
      default:
        pixelSize = 0;
        break;
    }
    dirCount = tif_DirCount(tif);

    printf("size = %lu, w = %d, h = %d, spp = %d, bps = %d, pixelSize = %ld\n", sizeof(w), w, h, spp, bps, (long int) pixelSize);
    printf("Page Number = %d\n", pageNumber);
    printf("Number Pages = %d\n", numberPages);
    printf("Photometric interpretation = %d\n", photo);
    printf("Planar configuration = %d\n", config);
    printf("stripSize = %ld, stripMax = %d\n", (long int) stripSize, stripMax);
    printf("Number of directories = %d\n", dirCount);
    printf("Subfile type = %d\n", subfileType);

    //printbin((char*)&w, sizeof(w));
    //printbin((char*)&h, sizeof(h));


    //raster = tif_ReadData(tif);
    //tif_PrintAsc(tif, raster, (char*)"ascimg.txt");

    TIFFClose(tif); 
  } 
  return 0;
}
Ejemplo n.º 13
0
void
TIFFInput::readspec ()
{
    uint32 width = 0, height = 0, depth = 0;
    unsigned short nchans = 1;
    TIFFGetField (m_tif, TIFFTAG_IMAGEWIDTH, &width);
    TIFFGetField (m_tif, TIFFTAG_IMAGELENGTH, &height);
    TIFFGetFieldDefaulted (m_tif, TIFFTAG_IMAGEDEPTH, &depth);
    TIFFGetFieldDefaulted (m_tif, TIFFTAG_SAMPLESPERPIXEL, &nchans);

    m_spec = ImageSpec ((int)width, (int)height, (int)nchans);

    float x = 0, y = 0;
    TIFFGetField (m_tif, TIFFTAG_XPOSITION, &x);
    TIFFGetField (m_tif, TIFFTAG_YPOSITION, &y);
    m_spec.x = (int)x;
    m_spec.y = (int)y;
    m_spec.z = 0;
    // FIXME? - TIFF spec describes the positions as in resolutionunit.
    // What happens if this is not unitless pixels?  Are we interpreting
    // it all wrong?

    if (TIFFGetField (m_tif, TIFFTAG_PIXAR_IMAGEFULLWIDTH, &width) == 1
          && width > 0)
        m_spec.full_width = width;
    if (TIFFGetField (m_tif, TIFFTAG_PIXAR_IMAGEFULLLENGTH, &height) == 1
          && height > 0)
        m_spec.full_height = height;

    if (TIFFIsTiled (m_tif)) {
        TIFFGetField (m_tif, TIFFTAG_TILEWIDTH, &m_spec.tile_width);
        TIFFGetField (m_tif, TIFFTAG_TILELENGTH, &m_spec.tile_height);
        TIFFGetFieldDefaulted (m_tif, TIFFTAG_TILEDEPTH, &m_spec.tile_depth);
    } else {
        m_spec.tile_width = 0;
        m_spec.tile_height = 0;
        m_spec.tile_depth = 0;
    }

    m_bitspersample = 8;
    TIFFGetField (m_tif, TIFFTAG_BITSPERSAMPLE, &m_bitspersample);
    m_spec.attribute ("oiio:BitsPerSample", (int)m_bitspersample);

    unsigned short sampleformat = SAMPLEFORMAT_UINT;
    TIFFGetFieldDefaulted (m_tif, TIFFTAG_SAMPLEFORMAT, &sampleformat);
    switch (m_bitspersample) {
    case 1:
    case 2:
    case 4:
        // Make 1, 2, 4 bpp look like byte images
    case 8:
        if (sampleformat == SAMPLEFORMAT_UINT)
            m_spec.set_format (TypeDesc::UINT8);
        else if (sampleformat == SAMPLEFORMAT_INT)
            m_spec.set_format (TypeDesc::INT8);
        else m_spec.set_format (TypeDesc::UINT8);  // punt
        break;
    case 16:
        if (sampleformat == SAMPLEFORMAT_UINT)
            m_spec.set_format (TypeDesc::UINT16);
        else if (sampleformat == SAMPLEFORMAT_INT)
            m_spec.set_format (TypeDesc::INT16);
        break;
    case 32:
        if (sampleformat == SAMPLEFORMAT_IEEEFP)
            m_spec.set_format (TypeDesc::FLOAT);
        break;
    case 64:
        if (sampleformat == SAMPLEFORMAT_IEEEFP)
            m_spec.set_format (TypeDesc::DOUBLE);
        break;
    default:
        m_spec.set_format (TypeDesc::UNKNOWN);
        break;
    }

    // Use the table for all the obvious things that can be mindlessly
    // shoved into the image spec.
    for (int i = 0;  tiff_tag_table[i].name;  ++i)
        find_tag (tiff_tag_table[i].tifftag,
                  tiff_tag_table[i].tifftype, tiff_tag_table[i].name);

    // Now we need to get fields "by hand" for anything else that is less
    // straightforward...

    m_photometric = (m_spec.nchannels == 1 ? PHOTOMETRIC_MINISBLACK : PHOTOMETRIC_RGB);
    TIFFGetField (m_tif, TIFFTAG_PHOTOMETRIC, &m_photometric);
    m_spec.attribute ("tiff:PhotometricInterpretation", (int)m_photometric);
    if (m_photometric == PHOTOMETRIC_PALETTE) {
        // Read the color map
        unsigned short *r = NULL, *g = NULL, *b = NULL;
        TIFFGetField (m_tif, TIFFTAG_COLORMAP, &r, &g, &b);
        ASSERT (r != NULL && g != NULL && b != NULL);
        m_colormap.clear ();
        m_colormap.insert (m_colormap.end(), r, r + (1 << m_bitspersample));
        m_colormap.insert (m_colormap.end(), g, g + (1 << m_bitspersample));
        m_colormap.insert (m_colormap.end(), b, b + (1 << m_bitspersample));
        // Palette TIFF images are always 3 channels (to the client)
        m_spec.nchannels = 3;
        m_spec.default_channel_names ();
    }

    TIFFGetFieldDefaulted (m_tif, TIFFTAG_PLANARCONFIG, &m_planarconfig);
    m_spec.attribute ("tiff:PlanarConfiguration", (int)m_planarconfig);
    if (m_planarconfig == PLANARCONFIG_SEPARATE)
        m_spec.attribute ("planarconfig", "separate");
    else
        m_spec.attribute ("planarconfig", "contig");

    int compress = 0;
    TIFFGetFieldDefaulted (m_tif, TIFFTAG_COMPRESSION, &compress);
    m_spec.attribute ("tiff:Compression", compress);
    switch (compress) {
    case COMPRESSION_NONE :
        m_spec.attribute ("compression", "none");
        break;
    case COMPRESSION_LZW :
        m_spec.attribute ("compression", "lzw");
        break;
    case COMPRESSION_CCITTRLE :
        m_spec.attribute ("compression", "ccittrle");
        break;
    case COMPRESSION_DEFLATE :
    case COMPRESSION_ADOBE_DEFLATE :
        m_spec.attribute ("compression", "zip");
        break;
    case COMPRESSION_PACKBITS :
        m_spec.attribute ("compression", "packbits");
        break;
    default:
        break;
    }

    int rowsperstrip = -1;
    if (! m_spec.tile_width) {
        TIFFGetField (m_tif, TIFFTAG_ROWSPERSTRIP, &rowsperstrip);
        if (rowsperstrip > 0)
            m_spec.attribute ("tiff:RowsPerStrip", rowsperstrip);
    }

    // The libtiff docs say that only uncompressed images, or those with
    // rowsperstrip==1, support random access to scanlines.
    m_no_random_access = (compress != COMPRESSION_NONE && rowsperstrip != 1);

    short resunit = -1;
    TIFFGetField (m_tif, TIFFTAG_RESOLUTIONUNIT, &resunit);
    switch (resunit) {
    case RESUNIT_NONE : m_spec.attribute ("ResolutionUnit", "none"); break;
    case RESUNIT_INCH : m_spec.attribute ("ResolutionUnit", "in"); break;
    case RESUNIT_CENTIMETER : m_spec.attribute ("ResolutionUnit", "cm"); break;
    }

    get_matrix_attribute ("worldtocamera", TIFFTAG_PIXAR_MATRIX_WORLDTOCAMERA);
    get_matrix_attribute ("worldtoscreen", TIFFTAG_PIXAR_MATRIX_WORLDTOSCREEN);
    get_int_attribute ("tiff:subfiletype", TIFFTAG_SUBFILETYPE);
    // FIXME -- should subfiletype be "conventionized" and used for all
    // plugins uniformly? 

    // FIXME: do we care about fillorder for 1-bit and 4-bit images?

    // Special names for shadow maps
    char *s = NULL;
    TIFFGetField (m_tif, TIFFTAG_PIXAR_TEXTUREFORMAT, &s);
    if (s)
        m_emulate_mipmap = true;
    if (s && ! strcmp (s, "Shadow")) {
        for (int c = 0;  c < m_spec.nchannels;  ++c)
            m_spec.channelnames[c] = "z";
    }

    // N.B. we currently ignore the following TIFF fields:
    // ExtraSamples
    // GrayResponseCurve GrayResponseUnit
    // MaxSampleValue MinSampleValue
    // NewSubfileType SubfileType(deprecated)
    // Colorimetry fields

    // Search for an EXIF IFD in the TIFF file, and if found, rummage 
    // around for Exif fields.
#if TIFFLIB_VERSION > 20050912    /* compat with old TIFF libs - skip Exif */
    int exifoffset = 0;
    if (TIFFGetField (m_tif, TIFFTAG_EXIFIFD, &exifoffset) &&
            TIFFReadEXIFDirectory (m_tif, exifoffset)) {
        for (int i = 0;  exif_tag_table[i].name;  ++i)
            find_tag (exif_tag_table[i].tifftag, exif_tag_table[i].tifftype,
                      exif_tag_table[i].name);
        // I'm not sure what state TIFFReadEXIFDirectory leaves us.
        // So to be safe, close and re-seek.
        TIFFClose (m_tif);
        m_tif = TIFFOpen (m_filename.c_str(), "rm");
        TIFFSetDirectory (m_tif, m_subimage);

        // A few tidbits to look for
        ImageIOParameter *p;
        if ((p = m_spec.find_attribute ("Exif:ColorSpace", TypeDesc::INT))) {
            // Exif spec says that anything other than 0xffff==uncalibrated
            // should be interpreted to be sRGB.
            if (*(const int *)p->data() != 0xffff)
                m_spec.attribute ("oiio::ColorSpace", "sRGB");
        }
    }
#endif

#if TIFFLIB_VERSION >= 20051230
    // Search for IPTC metadata in IIM form -- but older versions of
    // libtiff botch the size, so ignore it for very old libtiff.
    int iptcsize = 0;
    const void *iptcdata = NULL;
    if (TIFFGetField (m_tif, TIFFTAG_RICHTIFFIPTC, &iptcsize, &iptcdata)) {
        std::vector<uint32> iptc ((uint32 *)iptcdata, (uint32 *)iptcdata+iptcsize);
        if (TIFFIsByteSwapped (m_tif))
            TIFFSwabArrayOfLong ((uint32*)&iptc[0], iptcsize);
        decode_iptc_iim (&iptc[0], iptcsize*4, m_spec);
    }
#endif

    // Search for an XML packet containing XMP (IPTC, Exif, etc.)
    int xmlsize = 0;
    const void *xmldata = NULL;
    if (TIFFGetField (m_tif, TIFFTAG_XMLPACKET, &xmlsize, &xmldata)) {
        // std::cerr << "Found XML data, size " << xmlsize << "\n";
        if (xmldata && xmlsize) {
            std::string xml ((const char *)xmldata, xmlsize);
            decode_xmp (xml, m_spec);
        }
    }

#if 0
    // Experimental -- look for photoshop data
    int photoshopsize = 0;
    const void *photoshopdata = NULL;
    if (TIFFGetField (m_tif, TIFFTAG_PHOTOSHOP, &photoshopsize, &photoshopdata)) {
        std::cerr << "Found PHOTOSHOP data, size " << photoshopsize << "\n";
        if (photoshopdata && photoshopsize) {
//            std::string photoshop ((const char *)photoshopdata, photoshopsize);
//            std::cerr << "PHOTOSHOP:\n" << photoshop << "\n---\n";
        }
    }
#endif
}