src/tiff/html/man/TIFFGetField.3tiff.html

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  16 <title>TIFFGetField</title>
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  20
  21 <h1 align="center">TIFFGetField</h1>
  22
  23 <a href="#NAME">NAME</a><br>
  24 <a href="#SYNOPSIS">SYNOPSIS</a><br>
  25 <a href="#DESCRIPTION">DESCRIPTION</a><br>
  26 <a href="#AUTOREGISTERED TAGS">AUTOREGISTERED TAGS</a><br>
  27 <a href="#RETURN VALUES">RETURN VALUES</a><br>
  28 <a href="#DIAGNOSTICS">DIAGNOSTICS</a><br>
  29 <a href="#SEE ALSO">SEE ALSO</a><br>
  30
  31 <hr>
  32
  33
  34 <h2>NAME
  35 <a name="NAME"></a>
  36 </h2>
  37
  38
  39 <p style="margin-left:11%; margin-top: 1em">TIFFGetField,
  40 TIFFVGetField &minus; get the value(s) of a tag in an open
  41 <small>TIFF</small> file</p>
  42
  43 <h2>SYNOPSIS
  44 <a name="SYNOPSIS"></a>
  45 </h2>
  46
  47
  48 <p style="margin-left:11%; margin-top: 1em"><b>#include
  49 &lt;tiffio.h&gt;</b></p>
  50
  51 <p style="margin-left:11%; margin-top: 1em"><b>int
  52 TIFFGetField(TIFF *</b><i>tif</i><b>, ttag_t</b>
  53 <i>tag</i><b>,</b> <i>...</i><b>)</b></p>
  54
  55 <p style="margin-left:11%; margin-top: 1em"><b>#include
  56 &lt;stdarg.h&gt;</b></p>
  57
  58 <p style="margin-left:11%; margin-top: 1em"><b>int
  59 TIFFVGetField(TIFF *</b><i>tif</i><b>, ttag_t</b>
  60 <i>tag</i><b>, va_list</b> <i>ap</i><b>) <br>
  61 int TIFFGetFieldDefaulted(TIFF *</b><i>tif</i><b>,
  62 ttag_t</b> <i>tag</i><b>,</b> <i>...</i><b>) <br>
  63 int TIFFVGetFieldDefaulted(TIFF *</b><i>tif</i><b>,
  64 ttag_t</b> <i>tag</i><b>, va_list</b> <i>ap</i><b>)</b></p>
  65
  66 <h2>DESCRIPTION
  67 <a name="DESCRIPTION"></a>
  68 </h2>
  69
  70
  71
  72 <p style="margin-left:11%; margin-top: 1em"><b><i>TIFFGetField</i></b>
  73 returns the value of a tag or pseudo-tag associated with the
  74 the current directory of the opened <small>TIFF</small> file
  75 <i>tif</i>. (A <i>pseudo-tag</i> is a parameter that is used
  76 to control the operation of the <small>TIFF</small> library
  77 but whose value is not read or written to the underlying
  78 file.) The file must have been previously opened with
  79 <i>TIFFOpen</i>(3TIFF). The tag is identified by <i>tag</i>,
  80 one of the values defined in the include file <b>tiff.h</b>
  81 (see also the table below). The type and number of values
  82 returned is dependent on the tag being requested. The
  83 programming interface uses a variable argument list as
  84 prescribed by the <i>stdarg</i>(3) interface. The returned
  85 values should only be interpreted if <i>TIFFGetField</i>
  86 returns 1.</p>
  87
  88
  89 <p style="margin-left:11%; margin-top: 1em"><i>TIFFVGetField</i>
  90 is functionally equivalent to <i>TIFFGetField</i> except
  91 that it takes a pointer to a variable argument list.
  92 <i>TIFFVGetField</i> is useful for layering interfaces on
  93 top of the functionality provided by
  94 <i>TIFFGetField</i>.</p>
  95
  96
  97 <p style="margin-left:11%; margin-top: 1em"><i>TIFFGetFieldDefaulted</i>
  98 and <i>TIFFVGetFieldDefaulted</i> are identical to
  99 <i>TIFFGetField</i> and <i>TIFFVGetField</i>, except that if
 100 a tag is not defined in the current directory and it has a
 101 default value, then the default value is returned.</p>
 102
 103 <p style="margin-left:11%; margin-top: 1em">The tags
 104 understood by <i>libtiff(3TIFF),</i> the number of parameter
 105 values, and the types for the returned values are shown
 106 below. The data types are specified as in C and correspond
 107 to the types used to specify tag values to
 108 <i>TIFFSetField</i>(3TIFF). Remember that
 109 <i>TIFFGetField</i> returns parameter values, so all the
 110 listed data types are pointers to storage where values
 111 should be returned. Consult the <small>TIFF</small>
 112 specification (or relevant industry specification) for
 113 information on the meaning of each tag and their possible
 114 values.</p>
 115
 116 <table width="100%" border="0" rules="none" frame="void"
 117        cellspacing="0" cellpadding="0">
 118 <tr valign="top" align="left">
 119 <td width="11%"></td>
 120 <td width="38%">
 121
 122
 123 <p><i>Tag Name</i></p></td>
 124 <td width="11%"></td>
 125 <td width="28%">
 126
 127
 128 <p><i>Count</i></p></td>
 129 <td width="12%">
 130 </td></tr>
 131 <tr valign="top" align="left">
 132 <td width="11%"></td>
 133 <td width="38%"></td>
 134 <td width="11%"></td>
 135 <td width="28%">
 136
 137
 138 <p><i>Types</i></p></td>
 139 <td width="12%">
 140
 141
 142 <p><i>Notes</i></p></td></tr>
 143 <tr valign="top" align="left">
 144 <td width="11%"></td>
 145 <td width="38%">
 146
 147
 148 <p>TIFFTAG_ARTIST</p></td>
 149 <td width="11%"></td>
 150 <td width="28%">
 151
 152
 153 <p>1</p></td>
 154 <td width="12%">
 155 </td></tr>
 156 <tr valign="top" align="left">
 157 <td width="11%"></td>
 158 <td width="38%"></td>
 159 <td width="11%"></td>
 160 <td width="28%">
 161
 162
 163 <p>char**</p></td>
 164 <td width="12%">
 165 </td></tr>
 166 <tr valign="top" align="left">
 167 <td width="11%"></td>
 168 <td width="38%">
 169
 170
 171 <p>TIFFTAG_BADFAXLINES</p></td>
 172 <td width="11%"></td>
 173 <td width="28%">
 174
 175
 176 <p>1</p></td>
 177 <td width="12%">
 178 </td></tr>
 179 <tr valign="top" align="left">
 180 <td width="11%"></td>
 181 <td width="38%"></td>
 182 <td width="11%"></td>
 183 <td width="28%">
 184
 185
 186 <p>uint32*</p></td>
 187 <td width="12%">
 188 </td></tr>
 189 <tr valign="top" align="left">
 190 <td width="11%"></td>
 191 <td width="38%">
 192
 193
 194 <p>TIFFTAG_BITSPERSAMPLE</p></td>
 195 <td width="11%"></td>
 196 <td width="28%">
 197
 198
 199 <p>1</p></td>
 200 <td width="12%">
 201 </td></tr>
 202 <tr valign="top" align="left">
 203 <td width="11%"></td>
 204 <td width="38%"></td>
 205 <td width="11%"></td>
 206 <td width="28%">
 207
 208
 209 <p>uint16*</p></td>
 210 <td width="12%">
 211 </td></tr>
 212 <tr valign="top" align="left">
 213 <td width="11%"></td>
 214 <td width="38%">
 215
 216
 217 <p>TIFFTAG_CLEANFAXDATA</p></td>
 218 <td width="11%"></td>
 219 <td width="28%">
 220
 221
 222 <p>1</p></td>
 223 <td width="12%">
 224 </td></tr>
 225 <tr valign="top" align="left">
 226 <td width="11%"></td>
 227 <td width="38%"></td>
 228 <td width="11%"></td>
 229 <td width="28%">
 230
 231
 232 <p>uint16*</p></td>
 233 <td width="12%">
 234 </td></tr>
 235 <tr valign="top" align="left">
 236 <td width="11%"></td>
 237 <td width="38%">
 238
 239
 240 <p>TIFFTAG_COLORMAP</p></td>
 241 <td width="11%"></td>
 242 <td width="28%">
 243
 244
 245 <p>3</p></td>
 246 <td width="12%">
 247 </td></tr>
 248 <tr valign="top" align="left">
 249 <td width="11%"></td>
 250 <td width="38%"></td>
 251 <td width="11%"></td>
 252 <td width="28%">
 253
 254
 255 <p>uint16**</p></td>
 256 <td width="12%">
 257
 258
 259 <p>1&lt;&lt;BitsPerSample arrays</p></td></tr>
 260 <tr valign="top" align="left">
 261 <td width="11%"></td>
 262 <td width="38%">
 263
 264
 265 <p>TIFFTAG_COMPRESSION</p></td>
 266 <td width="11%"></td>
 267 <td width="28%">
 268
 269
 270 <p>1</p></td>
 271 <td width="12%">
 272 </td></tr>
 273 <tr valign="top" align="left">
 274 <td width="11%"></td>
 275 <td width="38%"></td>
 276 <td width="11%"></td>
 277 <td width="28%">
 278
 279
 280 <p>uint16*</p></td>
 281 <td width="12%">
 282 </td></tr>
 283 <tr valign="top" align="left">
 284 <td width="11%"></td>
 285 <td width="38%">
 286
 287
 288 <p>TIFFTAG_CONSECUTIVEBADFAXLINES</p></td>
 289 <td width="11%"></td>
 290 <td width="28%">
 291
 292
 293 <p>1</p></td>
 294 <td width="12%">
 295 </td></tr>
 296 <tr valign="top" align="left">
 297 <td width="11%"></td>
 298 <td width="38%"></td>
 299 <td width="11%"></td>
 300 <td width="28%">
 301
 302
 303 <p>uint32*</p></td>
 304 <td width="12%">
 305 </td></tr>
 306 <tr valign="top" align="left">
 307 <td width="11%"></td>
 308 <td width="38%">
 309
 310
 311 <p>TIFFTAG_COPYRIGHT</p></td>
 312 <td width="11%"></td>
 313 <td width="28%">
 314
 315
 316 <p>1</p></td>
 317 <td width="12%">
 318 </td></tr>
 319 <tr valign="top" align="left">
 320 <td width="11%"></td>
 321 <td width="38%"></td>
 322 <td width="11%"></td>
 323 <td width="28%">
 324
 325
 326 <p>char**</p></td>
 327 <td width="12%">
 328 </td></tr>
 329 <tr valign="top" align="left">
 330 <td width="11%"></td>
 331 <td width="38%">
 332
 333
 334 <p>TIFFTAG_DATATYPE</p></td>
 335 <td width="11%"></td>
 336 <td width="28%">
 337
 338
 339 <p>1</p></td>
 340 <td width="12%">
 341 </td></tr>
 342 <tr valign="top" align="left">
 343 <td width="11%"></td>
 344 <td width="38%"></td>
 345 <td width="11%"></td>
 346 <td width="28%">
 347
 348
 349 <p>uint16*</p></td>
 350 <td width="12%">
 351 </td></tr>
 352 <tr valign="top" align="left">
 353 <td width="11%"></td>
 354 <td width="38%">
 355
 356
 357 <p>TIFFTAG_DATETIME</p></td>
 358 <td width="11%"></td>
 359 <td width="28%">
 360
 361
 362 <p>1</p></td>
 363 <td width="12%">
 364 </td></tr>
 365 <tr valign="top" align="left">
 366 <td width="11%"></td>
 367 <td width="38%"></td>
 368 <td width="11%"></td>
 369 <td width="28%">
 370
 371
 372 <p>char**</p></td>
 373 <td width="12%">
 374 </td></tr>
 375 <tr valign="top" align="left">
 376 <td width="11%"></td>
 377 <td width="38%">
 378
 379
 380 <p>TIFFTAG_DOCUMENTNAME</p></td>
 381 <td width="11%"></td>
 382 <td width="28%">
 383
 384
 385 <p>1</p></td>
 386 <td width="12%">
 387 </td></tr>
 388 <tr valign="top" align="left">
 389 <td width="11%"></td>
 390 <td width="38%"></td>
 391 <td width="11%"></td>
 392 <td width="28%">
 393
 394
 395 <p>char**</p></td>
 396 <td width="12%">
 397 </td></tr>
 398 <tr valign="top" align="left">
 399 <td width="11%"></td>
 400 <td width="38%">
 401
 402
 403 <p>TIFFTAG_DOTRANGE</p></td>
 404 <td width="11%"></td>
 405 <td width="28%">
 406
 407
 408 <p>2</p></td>
 409 <td width="12%">
 410 </td></tr>
 411 <tr valign="top" align="left">
 412 <td width="11%"></td>
 413 <td width="38%"></td>
 414 <td width="11%"></td>
 415 <td width="28%">
 416
 417
 418 <p>uint16*</p></td>
 419 <td width="12%">
 420 </td></tr>
 421 <tr valign="top" align="left">
 422 <td width="11%"></td>
 423 <td width="38%">
 424
 425
 426 <p>TIFFTAG_EXTRASAMPLES</p></td>
 427 <td width="11%"></td>
 428 <td width="28%">
 429
 430
 431 <p>2</p></td>
 432 <td width="12%">
 433 </td></tr>
 434 <tr valign="top" align="left">
 435 <td width="11%"></td>
 436 <td width="38%"></td>
 437 <td width="11%"></td>
 438 <td width="28%">
 439
 440
 441 <p>uint16*,uint16**</p></td>
 442 <td width="12%">
 443
 444
 445 <p>count &amp; types array</p></td></tr>
 446 <tr valign="top" align="left">
 447 <td width="11%"></td>
 448 <td width="38%">
 449
 450
 451 <p>TIFFTAG_FAXFILLFUNC</p></td>
 452 <td width="11%"></td>
 453 <td width="28%">
 454
 455
 456 <p>1</p></td>
 457 <td width="12%">
 458 </td></tr>
 459 <tr valign="top" align="left">
 460 <td width="11%"></td>
 461 <td width="38%"></td>
 462 <td width="11%"></td>
 463 <td width="28%">
 464
 465
 466 <p>TIFFFaxFillFunc*</p></td>
 467 <td width="12%">
 468
 469
 470 <p>G3/G4 compression pseudo-tag</p></td></tr>
 471 <tr valign="top" align="left">
 472 <td width="11%"></td>
 473 <td width="38%">
 474
 475
 476 <p>TIFFTAG_FAXMODE</p></td>
 477 <td width="11%"></td>
 478 <td width="28%">
 479
 480
 481 <p>1</p></td>
 482 <td width="12%">
 483 </td></tr>
 484 <tr valign="top" align="left">
 485 <td width="11%"></td>
 486 <td width="38%"></td>
 487 <td width="11%"></td>
 488 <td width="28%">
 489
 490
 491 <p>int*</p></td>
 492 <td width="12%">
 493
 494
 495 <p>G3/G4 compression pseudo-tag</p></td></tr>
 496 <tr valign="top" align="left">
 497 <td width="11%"></td>
 498 <td width="38%">
 499
 500
 501 <p>TIFFTAG_FILLORDER</p></td>
 502 <td width="11%"></td>
 503 <td width="28%">
 504
 505
 506 <p>1</p></td>
 507 <td width="12%">
 508 </td></tr>
 509 <tr valign="top" align="left">
 510 <td width="11%"></td>
 511 <td width="38%"></td>
 512 <td width="11%"></td>
 513 <td width="28%">
 514
 515
 516 <p>uint16*</p></td>
 517 <td width="12%">
 518 </td></tr>
 519 <tr valign="top" align="left">
 520 <td width="11%"></td>
 521 <td width="38%">
 522
 523
 524 <p>TIFFTAG_GROUP3OPTIONS</p></td>
 525 <td width="11%"></td>
 526 <td width="28%">
 527
 528
 529 <p>1</p></td>
 530 <td width="12%">
 531 </td></tr>
 532 <tr valign="top" align="left">
 533 <td width="11%"></td>
 534 <td width="38%"></td>
 535 <td width="11%"></td>
 536 <td width="28%">
 537
 538
 539 <p>uint32*</p></td>
 540 <td width="12%">
 541 </td></tr>
 542 <tr valign="top" align="left">
 543 <td width="11%"></td>
 544 <td width="38%">
 545
 546
 547 <p>TIFFTAG_GROUP4OPTIONS</p></td>
 548 <td width="11%"></td>
 549 <td width="28%">
 550
 551
 552 <p>1</p></td>
 553 <td width="12%">
 554 </td></tr>
 555 <tr valign="top" align="left">
 556 <td width="11%"></td>
 557 <td width="38%"></td>
 558 <td width="11%"></td>
 559 <td width="28%">
 560
 561
 562 <p>uint32*</p></td>
 563 <td width="12%">
 564 </td></tr>
 565 <tr valign="top" align="left">
 566 <td width="11%"></td>
 567 <td width="38%">
 568
 569
 570 <p>TIFFTAG_HALFTONEHINTS</p></td>
 571 <td width="11%"></td>
 572 <td width="28%">
 573
 574
 575 <p>2</p></td>
 576 <td width="12%">
 577 </td></tr>
 578 <tr valign="top" align="left">
 579 <td width="11%"></td>
 580 <td width="38%"></td>
 581 <td width="11%"></td>
 582 <td width="28%">
 583
 584
 585 <p>uint16*</p></td>
 586 <td width="12%">
 587 </td></tr>
 588 <tr valign="top" align="left">
 589 <td width="11%"></td>
 590 <td width="38%">
 591
 592
 593 <p>TIFFTAG_HOSTCOMPUTER</p></td>
 594 <td width="11%"></td>
 595 <td width="28%">
 596
 597
 598 <p>1</p></td>
 599 <td width="12%">
 600 </td></tr>
 601 <tr valign="top" align="left">
 602 <td width="11%"></td>
 603 <td width="38%"></td>
 604 <td width="11%"></td>
 605 <td width="28%">
 606
 607
 608 <p>char**</p></td>
 609 <td width="12%">
 610 </td></tr>
 611 <tr valign="top" align="left">
 612 <td width="11%"></td>
 613 <td width="38%">
 614
 615
 616 <p>TIFFTAG_ICCPROFILE</p></td>
 617 <td width="11%"></td>
 618 <td width="28%">
 619
 620
 621 <p>2</p></td>
 622 <td width="12%">
 623 </td></tr>
 624 <tr valign="top" align="left">
 625 <td width="11%"></td>
 626 <td width="38%"></td>
 627 <td width="11%"></td>
 628 <td width="28%">
 629
 630
 631 <p>uint32*,void**</p></td>
 632 <td width="12%">
 633
 634
 635 <p>count, profile data</p></td></tr>
 636 <tr valign="top" align="left">
 637 <td width="11%"></td>
 638 <td width="38%">
 639
 640
 641 <p>TIFFTAG_IMAGEDEPTH</p></td>
 642 <td width="11%"></td>
 643 <td width="28%">
 644
 645
 646 <p>1</p></td>
 647 <td width="12%">
 648 </td></tr>
 649 <tr valign="top" align="left">
 650 <td width="11%"></td>
 651 <td width="38%"></td>
 652 <td width="11%"></td>
 653 <td width="28%">
 654
 655
 656 <p>uint32*</p></td>
 657 <td width="12%">
 658 </td></tr>
 659 <tr valign="top" align="left">
 660 <td width="11%"></td>
 661 <td width="38%">
 662
 663
 664 <p>TIFFTAG_IMAGEDESCRIPTION</p></td>
 665 <td width="11%"></td>
 666 <td width="28%">
 667
 668
 669 <p>1</p></td>
 670 <td width="12%">
 671 </td></tr>
 672 <tr valign="top" align="left">
 673 <td width="11%"></td>
 674 <td width="38%"></td>
 675 <td width="11%"></td>
 676 <td width="28%">
 677
 678
 679 <p>char**</p></td>
 680 <td width="12%">
 681 </td></tr>
 682 <tr valign="top" align="left">
 683 <td width="11%"></td>
 684 <td width="38%">
 685
 686
 687 <p>TIFFTAG_IMAGELENGTH</p></td>
 688 <td width="11%"></td>
 689 <td width="28%">
 690
 691
 692 <p>1</p></td>
 693 <td width="12%">
 694 </td></tr>
 695 <tr valign="top" align="left">
 696 <td width="11%"></td>
 697 <td width="38%"></td>
 698 <td width="11%"></td>
 699 <td width="28%">
 700
 701
 702 <p>uint32*</p></td>
 703 <td width="12%">
 704 </td></tr>
 705 <tr valign="top" align="left">
 706 <td width="11%"></td>
 707 <td width="38%">
 708
 709
 710 <p>TIFFTAG_IMAGEWIDTH</p></td>
 711 <td width="11%"></td>
 712 <td width="28%">
 713
 714
 715 <p>1</p></td>
 716 <td width="12%">
 717 </td></tr>
 718 <tr valign="top" align="left">
 719 <td width="11%"></td>
 720 <td width="38%"></td>
 721 <td width="11%"></td>
 722 <td width="28%">
 723
 724
 725 <p>uint32*</p></td>
 726 <td width="12%">
 727 </td></tr>
 728 <tr valign="top" align="left">
 729 <td width="11%"></td>
 730 <td width="38%">
 731
 732
 733 <p>TIFFTAG_INKNAMES</p></td>
 734 <td width="11%"></td>
 735 <td width="28%">
 736
 737
 738 <p>1</p></td>
 739 <td width="12%">
 740 </td></tr>
 741 <tr valign="top" align="left">
 742 <td width="11%"></td>
 743 <td width="38%"></td>
 744 <td width="11%"></td>
 745 <td width="28%">
 746
 747
 748 <p>char**</p></td>
 749 <td width="12%">
 750 </td></tr>
 751 <tr valign="top" align="left">
 752 <td width="11%"></td>
 753 <td width="38%">
 754
 755
 756 <p>TIFFTAG_INKSET</p></td>
 757 <td width="11%"></td>
 758 <td width="28%">
 759
 760
 761 <p>1</p></td>
 762 <td width="12%">
 763 </td></tr>
 764 <tr valign="top" align="left">
 765 <td width="11%"></td>
 766 <td width="38%"></td>
 767 <td width="11%"></td>
 768 <td width="28%">
 769
 770
 771 <p>uint16*</p></td>
 772 <td width="12%">
 773 </td></tr>
 774 <tr valign="top" align="left">
 775 <td width="11%"></td>
 776 <td width="38%">
 777
 778
 779 <p>TIFFTAG_JPEGCOLORMODE</p></td>
 780 <td width="11%"></td>
 781 <td width="28%">
 782
 783
 784 <p>1</p></td>
 785 <td width="12%">
 786 </td></tr>
 787 <tr valign="top" align="left">
 788 <td width="11%"></td>
 789 <td width="38%"></td>
 790 <td width="11%"></td>
 791 <td width="28%">
 792
 793
 794 <p>int*</p></td>
 795 <td width="12%">
 796
 797
 798 <p>JPEG pseudo-tag</p></td></tr>
 799 <tr valign="top" align="left">
 800 <td width="11%"></td>
 801 <td width="38%">
 802
 803
 804 <p>TIFFTAG_JPEGQUALITY</p></td>
 805 <td width="11%"></td>
 806 <td width="28%">
 807
 808
 809 <p>1</p></td>
 810 <td width="12%">
 811 </td></tr>
 812 <tr valign="top" align="left">
 813 <td width="11%"></td>
 814 <td width="38%"></td>
 815 <td width="11%"></td>
 816 <td width="28%">
 817
 818
 819 <p>int*</p></td>
 820 <td width="12%">
 821
 822
 823 <p>JPEG pseudo-tag</p></td></tr>
 824 <tr valign="top" align="left">
 825 <td width="11%"></td>
 826 <td width="38%">
 827
 828
 829 <p>TIFFTAG_JPEGTABLES</p></td>
 830 <td width="11%"></td>
 831 <td width="28%">
 832
 833
 834 <p>2</p></td>
 835 <td width="12%">
 836 </td></tr>
 837 <tr valign="top" align="left">
 838 <td width="11%"></td>
 839 <td width="38%"></td>
 840 <td width="11%"></td>
 841 <td width="28%">
 842
 843
 844 <p>uint32*,void**</p></td>
 845 <td width="12%">
 846
 847
 848 <p>count &amp; tables</p></td></tr>
 849 <tr valign="top" align="left">
 850 <td width="11%"></td>
 851 <td width="38%">
 852
 853
 854 <p>TIFFTAG_JPEGTABLESMODE</p></td>
 855 <td width="11%"></td>
 856 <td width="28%">
 857
 858
 859 <p>1</p></td>
 860 <td width="12%">
 861 </td></tr>
 862 <tr valign="top" align="left">
 863 <td width="11%"></td>
 864 <td width="38%"></td>
 865 <td width="11%"></td>
 866 <td width="28%">
 867
 868
 869 <p>int*</p></td>
 870 <td width="12%">
 871
 872
 873 <p>JPEG pseudo-tag</p></td></tr>
 874 <tr valign="top" align="left">
 875 <td width="11%"></td>
 876 <td width="38%">
 877
 878
 879 <p>TIFFTAG_MAKE</p></td>
 880 <td width="11%"></td>
 881 <td width="28%">
 882
 883
 884 <p>1</p></td>
 885 <td width="12%">
 886 </td></tr>
 887 <tr valign="top" align="left">
 888 <td width="11%"></td>
 889 <td width="38%"></td>
 890 <td width="11%"></td>
 891 <td width="28%">
 892
 893
 894 <p>char**</p></td>
 895 <td width="12%">
 896 </td></tr>
 897 <tr valign="top" align="left">
 898 <td width="11%"></td>
 899 <td width="38%">
 900
 901
 902 <p>TIFFTAG_MATTEING</p></td>
 903 <td width="11%"></td>
 904 <td width="28%">
 905
 906
 907 <p>1</p></td>
 908 <td width="12%">
 909 </td></tr>
 910 <tr valign="top" align="left">
 911 <td width="11%"></td>
 912 <td width="38%"></td>
 913 <td width="11%"></td>
 914 <td width="28%">
 915
 916
 917 <p>uint16*</p></td>
 918 <td width="12%">
 919 </td></tr>
 920 <tr valign="top" align="left">
 921 <td width="11%"></td>
 922 <td width="38%">
 923
 924
 925 <p>TIFFTAG_MAXSAMPLEVALUE</p></td>
 926 <td width="11%"></td>
 927 <td width="28%">
 928
 929
 930 <p>1</p></td>
 931 <td width="12%">
 932 </td></tr>
 933 <tr valign="top" align="left">
 934 <td width="11%"></td>
 935 <td width="38%"></td>
 936 <td width="11%"></td>
 937 <td width="28%">
 938
 939
 940 <p>uint16*</p></td>
 941 <td width="12%">
 942 </td></tr>
 943 <tr valign="top" align="left">
 944 <td width="11%"></td>
 945 <td width="38%">
 946
 947
 948 <p>TIFFTAG_MINSAMPLEVALUE</p></td>
 949 <td width="11%"></td>
 950 <td width="28%">
 951
 952
 953 <p>1</p></td>
 954 <td width="12%">
 955 </td></tr>
 956 <tr valign="top" align="left">
 957 <td width="11%"></td>
 958 <td width="38%"></td>
 959 <td width="11%"></td>
 960 <td width="28%">
 961
 962
 963 <p>uint16*</p></td>
 964 <td width="12%">
 965 </td></tr>
 966 <tr valign="top" align="left">
 967 <td width="11%"></td>
 968 <td width="38%">
 969
 970
 971 <p>TIFFTAG_MODEL</p></td>
 972 <td width="11%"></td>
 973 <td width="28%">
 974
 975
 976 <p>1</p></td>
 977 <td width="12%">
 978 </td></tr>
 979 <tr valign="top" align="left">
 980 <td width="11%"></td>
 981 <td width="38%"></td>
 982 <td width="11%"></td>
 983 <td width="28%">
 984
 985
 986 <p>char**</p></td>
 987 <td width="12%">
 988 </td></tr>
 989 <tr valign="top" align="left">
 990 <td width="11%"></td>
 991 <td width="38%">
 992
 993
 994 <p>TIFFTAG_ORIENTATION</p></td>
 995 <td width="11%"></td>
 996 <td width="28%">
 997
 998
 999 <p>1</p></td>
1000 <td width="12%">
1001 </td></tr>
1002 <tr valign="top" align="left">
1003 <td width="11%"></td>
1004 <td width="38%"></td>
1005 <td width="11%"></td>
1006 <td width="28%">
1007
1008
1009 <p>uint16*</p></td>
1010 <td width="12%">
1011 </td></tr>
1012 <tr valign="top" align="left">
1013 <td width="11%"></td>
1014 <td width="38%">
1015
1016
1017 <p>TIFFTAG_PAGENAME</p></td>
1018 <td width="11%"></td>
1019 <td width="28%">
1020
1021
1022 <p>1</p></td>
1023 <td width="12%">
1024 </td></tr>
1025 <tr valign="top" align="left">
1026 <td width="11%"></td>
1027 <td width="38%"></td>
1028 <td width="11%"></td>
1029 <td width="28%">
1030
1031
1032 <p>char**</p></td>
1033 <td width="12%">
1034 </td></tr>
1035 <tr valign="top" align="left">
1036 <td width="11%"></td>
1037 <td width="38%">
1038
1039
1040 <p>TIFFTAG_PAGENUMBER</p></td>
1041 <td width="11%"></td>
1042 <td width="28%">
1043
1044
1045 <p>2</p></td>
1046 <td width="12%">
1047 </td></tr>
1048 <tr valign="top" align="left">
1049 <td width="11%"></td>
1050 <td width="38%"></td>
1051 <td width="11%"></td>
1052 <td width="28%">
1053
1054
1055 <p>uint16*</p></td>
1056 <td width="12%">
1057 </td></tr>
1058 <tr valign="top" align="left">
1059 <td width="11%"></td>
1060 <td width="38%">
1061
1062
1063 <p>TIFFTAG_PHOTOMETRIC</p></td>
1064 <td width="11%"></td>
1065 <td width="28%">
1066
1067
1068 <p>1</p></td>
1069 <td width="12%">
1070 </td></tr>
1071 <tr valign="top" align="left">
1072 <td width="11%"></td>
1073 <td width="38%"></td>
1074 <td width="11%"></td>
1075 <td width="28%">
1076
1077
1078 <p>uint16*</p></td>
1079 <td width="12%">
1080 </td></tr>
1081 <tr valign="top" align="left">
1082 <td width="11%"></td>
1083 <td width="38%">
1084
1085
1086 <p>TIFFTAG_PHOTOSHOP</p></td>
1087 <td width="11%"></td>
1088 <td width="28%">
1089
1090
1091 <p>2</p></td>
1092 <td width="12%">
1093 </td></tr>
1094 <tr valign="top" align="left">
1095 <td width="11%"></td>
1096 <td width="38%"></td>
1097 <td width="11%"></td>
1098 <td width="28%">
1099
1100
1101 <p>uint32*,void**</p></td>
1102 <td width="12%">
1103
1104
1105 <p>count, data</p></td></tr>
1106 <tr valign="top" align="left">
1107 <td width="11%"></td>
1108 <td width="38%">
1109
1110
1111 <p>TIFFTAG_PLANARCONFIG</p></td>
1112 <td width="11%"></td>
1113 <td width="28%">
1114
1115
1116 <p>1</p></td>
1117 <td width="12%">
1118 </td></tr>
1119 <tr valign="top" align="left">
1120 <td width="11%"></td>
1121 <td width="38%"></td>
1122 <td width="11%"></td>
1123 <td width="28%">
1124
1125
1126 <p>uint16*</p></td>
1127 <td width="12%">
1128 </td></tr>
1129 <tr valign="top" align="left">
1130 <td width="11%"></td>
1131 <td width="38%">
1132
1133
1134 <p>TIFFTAG_PREDICTOR</p></td>
1135 <td width="11%"></td>
1136 <td width="28%">
1137
1138
1139 <p>1</p></td>
1140 <td width="12%">
1141 </td></tr>
1142 <tr valign="top" align="left">
1143 <td width="11%"></td>
1144 <td width="38%"></td>
1145 <td width="11%"></td>
1146 <td width="28%">
1147
1148
1149 <p>uint16*</p></td>
1150 <td width="12%">
1151 </td></tr>
1152 <tr valign="top" align="left">
1153 <td width="11%"></td>
1154 <td width="38%">
1155
1156
1157 <p>TIFFTAG_PRIMARYCHROMATICITIES</p></td>
1158 <td width="11%"></td>
1159 <td width="28%">
1160
1161
1162 <p>1</p></td>
1163 <td width="12%">
1164 </td></tr>
1165 <tr valign="top" align="left">
1166 <td width="11%"></td>
1167 <td width="38%"></td>
1168 <td width="11%"></td>
1169 <td width="28%">
1170
1171
1172 <p>float**</p></td>
1173 <td width="12%">
1174
1175
1176 <p>6-entry array</p></td></tr>
1177 <tr valign="top" align="left">
1178 <td width="11%"></td>
1179 <td width="38%">
1180
1181
1182 <p>TIFFTAG_REFERENCEBLACKWHITE</p></td>
1183 <td width="11%"></td>
1184 <td width="28%">
1185
1186
1187 <p>1</p></td>
1188 <td width="12%">
1189 </td></tr>
1190 <tr valign="top" align="left">
1191 <td width="11%"></td>
1192 <td width="38%"></td>
1193 <td width="11%"></td>
1194 <td width="28%">
1195
1196
1197 <p>float**</p></td>
1198 <td width="12%">
1199
1200
1201 <p>6-entry array</p></td></tr>
1202 <tr valign="top" align="left">
1203 <td width="11%"></td>
1204 <td width="38%">
1205
1206
1207 <p>TIFFTAG_RESOLUTIONUNIT</p></td>
1208 <td width="11%"></td>
1209 <td width="28%">
1210
1211
1212 <p>1</p></td>
1213 <td width="12%">
1214 </td></tr>
1215 <tr valign="top" align="left">
1216 <td width="11%"></td>
1217 <td width="38%"></td>
1218 <td width="11%"></td>
1219 <td width="28%">
1220
1221
1222 <p>uint16*</p></td>
1223 <td width="12%">
1224 </td></tr>
1225 <tr valign="top" align="left">
1226 <td width="11%"></td>
1227 <td width="38%">
1228
1229
1230 <p>TIFFTAG_RICHTIFFIPTC</p></td>
1231 <td width="11%"></td>
1232 <td width="28%">
1233
1234
1235 <p>2</p></td>
1236 <td width="12%">
1237 </td></tr>
1238 <tr valign="top" align="left">
1239 <td width="11%"></td>
1240 <td width="38%"></td>
1241 <td width="11%"></td>
1242 <td width="28%">
1243
1244
1245 <p>uint32*,void**</p></td>
1246 <td width="12%">
1247
1248
1249 <p>count, data</p></td></tr>
1250 <tr valign="top" align="left">
1251 <td width="11%"></td>
1252 <td width="38%">
1253
1254
1255 <p>TIFFTAG_ROWSPERSTRIP</p></td>
1256 <td width="11%"></td>
1257 <td width="28%">
1258
1259
1260 <p>1</p></td>
1261 <td width="12%">
1262 </td></tr>
1263 <tr valign="top" align="left">
1264 <td width="11%"></td>
1265 <td width="38%"></td>
1266 <td width="11%"></td>
1267 <td width="28%">
1268
1269
1270 <p>uint32*</p></td>
1271 <td width="12%">
1272 </td></tr>
1273 <tr valign="top" align="left">
1274 <td width="11%"></td>
1275 <td width="38%">
1276
1277
1278 <p>TIFFTAG_SAMPLEFORMAT</p></td>
1279 <td width="11%"></td>
1280 <td width="28%">
1281
1282
1283 <p>1</p></td>
1284 <td width="12%">
1285 </td></tr>
1286 <tr valign="top" align="left">
1287 <td width="11%"></td>
1288 <td width="38%"></td>
1289 <td width="11%"></td>
1290 <td width="28%">
1291
1292
1293 <p>uint16*</p></td>
1294 <td width="12%">
1295 </td></tr>
1296 <tr valign="top" align="left">
1297 <td width="11%"></td>
1298 <td width="38%">
1299
1300
1301 <p>TIFFTAG_SAMPLESPERPIXEL</p></td>
1302 <td width="11%"></td>
1303 <td width="28%">
1304
1305
1306 <p>1</p></td>
1307 <td width="12%">
1308 </td></tr>
1309 <tr valign="top" align="left">
1310 <td width="11%"></td>
1311 <td width="38%"></td>
1312 <td width="11%"></td>
1313 <td width="28%">
1314
1315
1316 <p>uint16*</p></td>
1317 <td width="12%">
1318 </td></tr>
1319 <tr valign="top" align="left">
1320 <td width="11%"></td>
1321 <td width="38%">
1322
1323
1324 <p>TIFFTAG_SMAXSAMPLEVALUE</p></td>
1325 <td width="11%"></td>
1326 <td width="28%">
1327
1328
1329 <p>1</p></td>
1330 <td width="12%">
1331 </td></tr>
1332 <tr valign="top" align="left">
1333 <td width="11%"></td>
1334 <td width="38%"></td>
1335 <td width="11%"></td>
1336 <td width="28%">
1337
1338
1339 <p>double*</p></td>
1340 <td width="12%">
1341 </td></tr>
1342 <tr valign="top" align="left">
1343 <td width="11%"></td>
1344 <td width="38%">
1345
1346
1347 <p>TIFFTAG_SMINSAMPLEVALUE</p></td>
1348 <td width="11%"></td>
1349 <td width="28%">
1350
1351
1352 <p>1</p></td>
1353 <td width="12%">
1354 </td></tr>
1355 <tr valign="top" align="left">
1356 <td width="11%"></td>
1357 <td width="38%"></td>
1358 <td width="11%"></td>
1359 <td width="28%">
1360
1361
1362 <p>double*</p></td>
1363 <td width="12%">
1364 </td></tr>
1365 <tr valign="top" align="left">
1366 <td width="11%"></td>
1367 <td width="38%">
1368
1369
1370 <p>TIFFTAG_SOFTWARE</p></td>
1371 <td width="11%"></td>
1372 <td width="28%">
1373
1374
1375 <p>1</p></td>
1376 <td width="12%">
1377 </td></tr>
1378 <tr valign="top" align="left">
1379 <td width="11%"></td>
1380 <td width="38%"></td>
1381 <td width="11%"></td>
1382 <td width="28%">
1383
1384
1385 <p>char**</p></td>
1386 <td width="12%">
1387 </td></tr>
1388 <tr valign="top" align="left">
1389 <td width="11%"></td>
1390 <td width="38%">
1391
1392
1393 <p>TIFFTAG_STONITS</p></td>
1394 <td width="11%"></td>
1395 <td width="28%">
1396
1397
1398 <p>1</p></td>
1399 <td width="12%">
1400 </td></tr>
1401 <tr valign="top" align="left">
1402 <td width="11%"></td>
1403 <td width="38%"></td>
1404 <td width="11%"></td>
1405 <td width="28%">
1406
1407
1408 <p>double**</p></td>
1409 <td width="12%">
1410 </td></tr>
1411 <tr valign="top" align="left">
1412 <td width="11%"></td>
1413 <td width="38%">
1414
1415
1416 <p>TIFFTAG_STRIPBYTECOUNTS</p></td>
1417 <td width="11%"></td>
1418 <td width="28%">
1419
1420
1421 <p>1</p></td>
1422 <td width="12%">
1423 </td></tr>
1424 <tr valign="top" align="left">
1425 <td width="11%"></td>
1426 <td width="38%"></td>
1427 <td width="11%"></td>
1428 <td width="28%">
1429
1430
1431 <p>uint32**</p></td>
1432 <td width="12%">
1433 </td></tr>
1434 <tr valign="top" align="left">
1435 <td width="11%"></td>
1436 <td width="38%">
1437
1438
1439 <p>TIFFTAG_STRIPOFFSETS</p></td>
1440 <td width="11%"></td>
1441 <td width="28%">
1442
1443
1444 <p>1</p></td>
1445 <td width="12%">
1446 </td></tr>
1447 <tr valign="top" align="left">
1448 <td width="11%"></td>
1449 <td width="38%"></td>
1450 <td width="11%"></td>
1451 <td width="28%">
1452
1453
1454 <p>uint32**</p></td>
1455 <td width="12%">
1456 </td></tr>
1457 <tr valign="top" align="left">
1458 <td width="11%"></td>
1459 <td width="38%">
1460
1461
1462 <p>TIFFTAG_SUBFILETYPE</p></td>
1463 <td width="11%"></td>
1464 <td width="28%">
1465
1466
1467 <p>1</p></td>
1468 <td width="12%">
1469 </td></tr>
1470 <tr valign="top" align="left">
1471 <td width="11%"></td>
1472 <td width="38%"></td>
1473 <td width="11%"></td>
1474 <td width="28%">
1475
1476
1477 <p>uint32*</p></td>
1478 <td width="12%">
1479 </td></tr>
1480 <tr valign="top" align="left">
1481 <td width="11%"></td>
1482 <td width="38%">
1483
1484
1485 <p>TIFFTAG_SUBIFD</p></td>
1486 <td width="11%"></td>
1487 <td width="28%">
1488
1489
1490 <p>2</p></td>
1491 <td width="12%">
1492 </td></tr>
1493 <tr valign="top" align="left">
1494 <td width="11%"></td>
1495 <td width="38%"></td>
1496 <td width="11%"></td>
1497 <td width="28%">
1498
1499
1500 <p>uint16*,uint32**</p></td>
1501 <td width="12%">
1502
1503
1504 <p>count &amp; offsets array</p></td></tr>
1505 <tr valign="top" align="left">
1506 <td width="11%"></td>
1507 <td width="38%">
1508
1509
1510 <p>TIFFTAG_TARGETPRINTER</p></td>
1511 <td width="11%"></td>
1512 <td width="28%">
1513
1514
1515 <p>1</p></td>
1516 <td width="12%">
1517 </td></tr>
1518 <tr valign="top" align="left">
1519 <td width="11%"></td>
1520 <td width="38%"></td>
1521 <td width="11%"></td>
1522 <td width="28%">
1523
1524
1525 <p>char**</p></td>
1526 <td width="12%">
1527 </td></tr>
1528 <tr valign="top" align="left">
1529 <td width="11%"></td>
1530 <td width="38%">
1531
1532
1533 <p>TIFFTAG_THRESHHOLDING</p></td>
1534 <td width="11%"></td>
1535 <td width="28%">
1536
1537
1538 <p>1</p></td>
1539 <td width="12%">
1540 </td></tr>
1541 <tr valign="top" align="left">
1542 <td width="11%"></td>
1543 <td width="38%"></td>
1544 <td width="11%"></td>
1545 <td width="28%">
1546
1547
1548 <p>uint16*</p></td>
1549 <td width="12%">
1550 </td></tr>
1551 <tr valign="top" align="left">
1552 <td width="11%"></td>
1553 <td width="38%">
1554
1555
1556 <p>TIFFTAG_TILEBYTECOUNTS</p></td>
1557 <td width="11%"></td>
1558 <td width="28%">
1559
1560
1561 <p>1</p></td>
1562 <td width="12%">
1563 </td></tr>
1564 <tr valign="top" align="left">
1565 <td width="11%"></td>
1566 <td width="38%"></td>
1567 <td width="11%"></td>
1568 <td width="28%">
1569
1570
1571 <p>uint32**</p></td>
1572 <td width="12%">
1573 </td></tr>
1574 <tr valign="top" align="left">
1575 <td width="11%"></td>
1576 <td width="38%">
1577
1578
1579 <p>TIFFTAG_TILEDEPTH</p></td>
1580 <td width="11%"></td>
1581 <td width="28%">
1582
1583
1584 <p>1</p></td>
1585 <td width="12%">
1586 </td></tr>
1587 <tr valign="top" align="left">
1588 <td width="11%"></td>
1589 <td width="38%"></td>
1590 <td width="11%"></td>
1591 <td width="28%">
1592
1593
1594 <p>uint32*</p></td>
1595 <td width="12%">
1596 </td></tr>
1597 <tr valign="top" align="left">
1598 <td width="11%"></td>
1599 <td width="38%">
1600
1601
1602 <p>TIFFTAG_TILELENGTH</p></td>
1603 <td width="11%"></td>
1604 <td width="28%">
1605
1606
1607 <p>1</p></td>
1608 <td width="12%">
1609 </td></tr>
1610 <tr valign="top" align="left">
1611 <td width="11%"></td>
1612 <td width="38%"></td>
1613 <td width="11%"></td>
1614 <td width="28%">
1615
1616
1617 <p>uint32*</p></td>
1618 <td width="12%">
1619 </td></tr>
1620 <tr valign="top" align="left">
1621 <td width="11%"></td>
1622 <td width="38%">
1623
1624
1625 <p>TIFFTAG_TILEOFFSETS</p></td>
1626 <td width="11%"></td>
1627 <td width="28%">
1628
1629
1630 <p>1</p></td>
1631 <td width="12%">
1632 </td></tr>
1633 <tr valign="top" align="left">
1634 <td width="11%"></td>
1635 <td width="38%"></td>
1636 <td width="11%"></td>
1637 <td width="28%">
1638
1639
1640 <p>uint32**</p></td>
1641 <td width="12%">
1642 </td></tr>
1643 <tr valign="top" align="left">
1644 <td width="11%"></td>
1645 <td width="38%">
1646
1647
1648 <p>TIFFTAG_TILEWIDTH</p></td>
1649 <td width="11%"></td>
1650 <td width="28%">
1651
1652
1653 <p>1</p></td>
1654 <td width="12%">
1655 </td></tr>
1656 <tr valign="top" align="left">
1657 <td width="11%"></td>
1658 <td width="38%"></td>
1659 <td width="11%"></td>
1660 <td width="28%">
1661
1662
1663 <p>uint32*</p></td>
1664 <td width="12%">
1665 </td></tr>
1666 <tr valign="top" align="left">
1667 <td width="11%"></td>
1668 <td width="38%">
1669
1670
1671 <p>TIFFTAG_TRANSFERFUNCTION</p></td>
1672 <td width="11%"></td>
1673 <td width="28%">
1674
1675
1676 <p>1 or 3&dagger;</p></td>
1677 <td width="12%">
1678
1679
1680 <p>uint16**1&lt;&lt;BitsPerSample entry arrays</p></td></tr>
1681 <tr valign="top" align="left">
1682 <td width="11%"></td>
1683 <td width="38%">
1684
1685
1686 <p>TIFFTAG_WHITEPOINT</p></td>
1687 <td width="11%"></td>
1688 <td width="28%">
1689
1690
1691 <p>1</p></td>
1692 <td width="12%">
1693 </td></tr>
1694 <tr valign="top" align="left">
1695 <td width="11%"></td>
1696 <td width="38%"></td>
1697 <td width="11%"></td>
1698 <td width="28%">
1699
1700
1701 <p>float**</p></td>
1702 <td width="12%">
1703
1704
1705 <p>2-entry array</p></td></tr>
1706 <tr valign="top" align="left">
1707 <td width="11%"></td>
1708 <td width="38%">
1709
1710
1711 <p>TIFFTAG_XMLPACKET</p></td>
1712 <td width="11%"></td>
1713 <td width="28%">
1714
1715
1716 <p>2</p></td>
1717 <td width="12%">
1718 </td></tr>
1719 <tr valign="top" align="left">
1720 <td width="11%"></td>
1721 <td width="38%"></td>
1722 <td width="11%"></td>
1723 <td width="28%">
1724
1725
1726 <p>uint32*,void**</p></td>
1727 <td width="12%">
1728
1729
1730 <p>count, data</p></td></tr>
1731 <tr valign="top" align="left">
1732 <td width="11%"></td>
1733 <td width="38%">
1734
1735
1736 <p>TIFFTAG_XPOSITION</p></td>
1737 <td width="11%"></td>
1738 <td width="28%">
1739
1740
1741 <p>1</p></td>
1742 <td width="12%">
1743 </td></tr>
1744 <tr valign="top" align="left">
1745 <td width="11%"></td>
1746 <td width="38%"></td>
1747 <td width="11%"></td>
1748 <td width="28%">
1749
1750
1751 <p>float*</p></td>
1752 <td width="12%">
1753 </td></tr>
1754 <tr valign="top" align="left">
1755 <td width="11%"></td>
1756 <td width="38%">
1757
1758
1759 <p>TIFFTAG_XRESOLUTION</p></td>
1760 <td width="11%"></td>
1761 <td width="28%">
1762
1763
1764 <p>1</p></td>
1765 <td width="12%">
1766 </td></tr>
1767 <tr valign="top" align="left">
1768 <td width="11%"></td>
1769 <td width="38%"></td>
1770 <td width="11%"></td>
1771 <td width="28%">
1772
1773
1774 <p>float*</p></td>
1775 <td width="12%">
1776 </td></tr>
1777 <tr valign="top" align="left">
1778 <td width="11%"></td>
1779 <td width="38%">
1780
1781
1782 <p>TIFFTAG_YCBCRCOEFFICIENTS</p></td>
1783 <td width="11%"></td>
1784 <td width="28%">
1785
1786
1787 <p>1</p></td>
1788 <td width="12%">
1789 </td></tr>
1790 <tr valign="top" align="left">
1791 <td width="11%"></td>
1792 <td width="38%"></td>
1793 <td width="11%"></td>
1794 <td width="28%">
1795
1796
1797 <p>float**</p></td>
1798 <td width="12%">
1799
1800
1801 <p>3-entry array</p></td></tr>
1802 <tr valign="top" align="left">
1803 <td width="11%"></td>
1804 <td width="38%">
1805
1806
1807 <p>TIFFTAG_YCBCRPOSITIONING</p></td>
1808 <td width="11%"></td>
1809 <td width="28%">
1810
1811
1812 <p>1</p></td>
1813 <td width="12%">
1814 </td></tr>
1815 <tr valign="top" align="left">
1816 <td width="11%"></td>
1817 <td width="38%"></td>
1818 <td width="11%"></td>
1819 <td width="28%">
1820
1821
1822 <p>uint16*</p></td>
1823 <td width="12%">
1824 </td></tr>
1825 <tr valign="top" align="left">
1826 <td width="11%"></td>
1827 <td width="38%">
1828
1829
1830 <p>TIFFTAG_YCBCRSUBSAMPLING</p></td>
1831 <td width="11%"></td>
1832 <td width="28%">
1833
1834
1835 <p>2</p></td>
1836 <td width="12%">
1837 </td></tr>
1838 <tr valign="top" align="left">
1839 <td width="11%"></td>
1840 <td width="38%"></td>
1841 <td width="11%"></td>
1842 <td width="28%">
1843
1844
1845 <p>uint16*</p></td>
1846 <td width="12%">
1847 </td></tr>
1848 <tr valign="top" align="left">
1849 <td width="11%"></td>
1850 <td width="38%">
1851
1852
1853 <p>TIFFTAG_YPOSITION</p></td>
1854 <td width="11%"></td>
1855 <td width="28%">
1856
1857
1858 <p>1</p></td>
1859 <td width="12%">
1860 </td></tr>
1861 <tr valign="top" align="left">
1862 <td width="11%"></td>
1863 <td width="38%"></td>
1864 <td width="11%"></td>
1865 <td width="28%">
1866
1867
1868 <p>float*</p></td>
1869 <td width="12%">
1870 </td></tr>
1871 <tr valign="top" align="left">
1872 <td width="11%"></td>
1873 <td width="38%">
1874
1875
1876 <p>TIFFTAG_YRESOLUTION</p></td>
1877 <td width="11%"></td>
1878 <td width="28%">
1879
1880
1881 <p>1</p></td>
1882 <td width="12%">
1883 </td></tr>
1884 <tr valign="top" align="left">
1885 <td width="11%"></td>
1886 <td width="38%"></td>
1887 <td width="11%"></td>
1888 <td width="28%">
1889
1890
1891 <p>float*&Dagger;</p></td>
1892 <td width="12%">
1893 </td></tr>
1894 </table>
1895
1896 <p style="margin-left:11%;">&dagger; If
1897 <i>SamplesPerPixel</i> is one, then a single array is
1898 returned; otherwise three arrays are returned. <br>
1899 &Dagger; The contents of this field are quite complex. See
1900 <i>The ICC Profile Format Specification</i>, Annex B.3
1901 &quot;Embedding ICC Profiles in TIFF Files&quot; (available
1902 at http://www.color.org) for an explanation.</p>
1903
1904 <h2>AUTOREGISTERED TAGS
1905 <a name="AUTOREGISTERED TAGS"></a>
1906 </h2>
1907
1908
1909 <p style="margin-left:11%; margin-top: 1em">If you
1910 can&rsquo;t find the tag in the table above that means this
1911 is unsupported tag. But you still be able to read it&rsquo;s
1912 value if you know the data type of that tag. For example, if
1913 you want to read the LONG value from the tag 33424 and ASCII
1914 string from the tag 36867 you can use the following
1915 code:</p>
1916
1917 <p style="margin-left:22%; margin-top: 1em">uint16 count;
1918 <br>
1919 void *data;</p>
1920
1921
1922 <p style="margin-left:22%; margin-top: 1em">TIFFGetField(tiff,
1923 33424, &amp;count, &amp;data); <br>
1924 printf(&quot;Tag %d: %d, count %d0, 33424, *(uint32 *)data,
1925 count); <br>
1926 TIFFGetField(tiff, 36867, &amp;count, &amp;data); <br>
1927 printf(&quot;Tag %d: %s, count %d0, 36867, (char *)data,
1928 count);</p>
1929
1930 <p style="margin-left:11%; margin-top: 1em">is not
1931 supported by <b>libtiff(3TIFF),</b> library</p>
1932
1933 <h2>RETURN VALUES
1934 <a name="RETURN VALUES"></a>
1935 </h2>
1936
1937
1938 <p style="margin-left:11%; margin-top: 1em">1 is returned
1939 if the tag is defined in the current directory; otherwise a
1940 0 is returned.</p>
1941
1942 <h2>DIAGNOSTICS
1943 <a name="DIAGNOSTICS"></a>
1944 </h2>
1945
1946
1947 <p style="margin-left:11%; margin-top: 1em">All error
1948 messages are directed to the <b>TIFFError</b>(3TIFF)
1949 routine.</p>
1950
1951 <p style="margin-left:11%; margin-top: 1em"><b>Unknown
1952 field, tag 0x%x</b>. An unknown tag was supplied.</p>
1953
1954 <h2>SEE ALSO
1955 <a name="SEE ALSO"></a>
1956 </h2>
1957
1958
1959
1960 <p style="margin-left:11%; margin-top: 1em"><b>TIFFOpen</b>(3TIFF),
1961 <b>TIFFSetField</b>(3TIFF), <b>TIFFSetDirectory</b>(3TIFF),
1962 <b>TIFFReadDirectory</b>(3TIFF),
1963 <b>TIFFWriteDirectory</b>(3TIFF) <b>libtiff</b>(3TIFF),</p>
1964
1965 <p style="margin-left:11%; margin-top: 1em">Libtiff library
1966 home page: <b>http://www.remotesensing.org/libtiff/</b></p>
1967 <hr>
1968 </body>
1969 </html>