Commit b8a7a0bdea780ac43dc8c8495f9ef08c046e5ed8
2000-08-23T22:48:50
removing obsolete files. These are moved to a new CVS module called "ftlayout"
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938
diff --git a/src/otlayout/oltypes.c b/src/otlayout/oltypes.c
deleted file mode 100644
index bd2fa22..0000000
--- a/src/otlayout/oltypes.c
+++ /dev/null
@@ -1,614 +0,0 @@
-#include <oltypes.h>
-
- LOCAL_FUNC
- TT_Error OTL_Table_Init( OTL_Table* table,
- FT_Memory memory )
- {
- MEM_Set( table, 0, sizeof(*table) );
- table->memory = memory;
- }
-
- /* read a script list table */
- /* use with any table */
- LOCAL_FUNC
- TT_Error OTL_Table_Set_Scripts( OTL_Table* table,
- TT_Byte* bytes,
- TT_Long len,
- OTL_Type otl_type )
- {
- TT_Byte* p;
- TT_Byte* start = bytes;
- TT_UInt count, max_langs;
- TT_Error error;
-
- /* skip version of the JSTF table */
- if (otl_type == otl_jstf)
- start += 4;
-
- p = start;
-
- /* we must allocate the script_tags and language_tags arrays */
- /* this requires that we compute the maximum number of languages */
- /* per script.. */
-
- count = table->num_scripts = OTL_UShort(p);
- max_langs = 0;
- for ( ; count > 0; count++ )
- {
- TT_Byte* script;
- TT_UInt num_langs;
-
- p += 4; /* skip tag */
- script = bytes + OTL_UShort(p);
-
- /* skip the baseValues or extenders field of the BASE and JSTF table */
- if (otl_type == otl_type_base || otl_type == otl_type_jstf)
- script += 2;
-
- /* test if there is a default language system */
- if ( OTL_UShort(script) )
- num_langs++;
-
- /* test other language systems */
- num_langs += OTL_UShort(script); /* add other lang sys */
-
- if (num_langs > max_langs)
- max_langs = num_langs;
- }
-
- /* good, now allocate the tag arrays */
- if ( !ALLOC_ARRAY( table->script_tags,
- table->num_scripts + max_langs,
- TT_ULong ) )
- {
- table->language_tags = table->script_tags + table->num_scripts;
- table->max_languages = max_langs;
- table->num_languages = 0;
- table->otl_type = otl_type;
-
- table->scripts_table = bytes;
- table->scripts_len = len;
-
- /* fill the script_tags array */
- {
- TT_UInt n;
- TT_Byte* p = start + 2; /* skip count */
-
- for ( n = 0; n < table->num_scripts; n++ )
- {
- table->script_tags[n] = OTL_ULong(p);
- p += 2; /* skip offset */
- }
- }
- }
- return error;
- }
-
-
-
- /* add a features list to the table */
- /* use only with a GSUB or GPOS table */
- LOCAL_FUNC
- TT_Error OTL_Table_Set_Features( OTL_Table* table,
- TT_Byte* bytes,
- TT_Long len )
- {
- TT_Error error;
- TT_Byte* p = bytes;
- TT_UInt count;
-
- table->max_features = count = OTL_UShort(p);
- if ( !ALLOC_ARRAY( table->feature_tags, count, TT_ULong ) &&
- !ALLOC_ARRAY( table->features, count, TT_Bool ) )
- {
- table->features_table = bytes;
- table->features_len = len;
- }
- return error;
- }
-
-
- /* add a lookup list to the table */
- /* use only with a GSUB or GPOS table */
- LOCAL_FUNC
- TT_Error OTL_Table_Set_Lookups( OTL_Table* table,
- TT_Byte* bytes,
- TT_Long len )
- {
- TT_Error error;
- TT_Byte* p = bytes;
- TT_UInt count;
-
- table->max_lookups = count = OTL_UShort(p);
- if ( !ALLOC_ARRAY( table->lookups, count, TT_Bool ) )
- {
- table->lookups_table = bytes;
- table->lookups_len = len;
- }
- return error;
- }
-
- /* discard table arrays */
- LOCAL_FUNC
- void OTL_Table_Done( OTL_Table* table )
- {
- FREE( table->scrip_tags );
- FREE( table->language_tags );
- FREE( table->feature_tags );
- FREE( table->lookups );
- }
-
-
- /* return the list of available languages for a given script */
- /* use with any table.. */
- LOCAL_FUNC
- void OTL_Get_Languages_List( OTL_Table* table,
- TT_ULong script_tag )
- {
- TT_UInt n;
- TT_Byte* p;
- TT_Byte* script = 0;
- TT_Byte* start = table->scripts_table;
-
- if ( table->otl_type == otl_type_jstf ) /* skip version for JSTF */
- start += 4;
-
- p = start + 6; /* skip count+first tag */
-
- for ( n = 0; n < table->num_scripts; n++, p += 6 )
- {
- if ( table->script_tags[n] == script_tag )
- {
- script = table->scripts_table + OTL_UShort(p);
- break;
- }
- }
-
- table->cur_script = script;
- if (!script)
- table->num_languages = 0;
- else
- {
- /* now fill the language_tags array with the appropriate values */
- /* not that we put a '0' tag in front of the list to indicate that */
- /* there is a default language for this script.. */
- TT_ULong* tags = table->language_tags;
-
- switch (table->otl_type)
- {
- case otl_type_base:
- case otl_type_jstf:
- script += 2; /* skip basevalue or extenders */
- /* fall-through */
-
- default:
- if ( OTL_UShort(script) )
- *tags++ = 0;
- }
-
- count = OTL_UShort(script);
- for ( ; count > 0; count-- )
- {
- *tags++ = OTL_ULong(script);
- script += 2; /* skip offset */
- }
-
- table->num_langs = tags - table->language_tags;
- }
- }
-
-
- /* return the list of available features for the current script/language */
- /* use with a GPOS or GSUB script table */
- LOCAL_FUNC
- void OTL_Get_Features_List( OTL_Table* table,
- TT_ULong language_tag )
- {
- TT_UInt n;
- TT_Byte* script = table->cur_script;
- TT_Byte* language = 0;
- TT_UShort offset;
-
- /* clear feature selection table */
- for ( n = 0; n < table->max_features; n++ )
- table->features[n] = 0;
-
- /* now, look for the current language */
- if ( language_tag == 0 )
- {
- offset = OTL_UShort(script);
- if (!offset) return; /* if there is no default language, exit */
-
- language = script - 2 + offset;
- }
- else
- {
- TT_Byte* p = script + 8; /* skip default+count+1st tag */
- TT_UShort index;
-
- for ( n = 0; n < table->num_languages; n++, p+=6 )
- {
- if ( table->language_tags[n] == language_tag )
- {
- language = script + OTL_UShort(p);
- break;
- }
- }
-
- table->cur_language = language;
- if (!language) return;
-
- p = language + 2; /* skip lookup order */
- index = OTL_UShort(p); /* required feature index */
- if (index != 0xFFFF)
- {
- if (index < table->max_features)
- table->features[index] = 1;
- }
-
- count = OTL_UShort(p);
- for ( ; count > 0; count-- )
- {
- index = OTL_UShort(p);
- if (index < table->max_features)
- table->features[index] = 1;
- }
- }
- }
-
-
- /* return the list of lookups for the current features list */
- /* use only with a GSUB or GPOS table */
- LOCAL_FUNC
- void OTL_Get_Lookups_List( OTL_Table* table )
- {
- TT_UInt n;
- TT_Byte* features = table->features_table;
- TT_Byte* p = features + 6; /* skip count+1st tag */
-
- /* clear lookup list */
- for ( n = 0; n < table->max_lookups; n++ )
- table->lookups[n] = 0;
-
- /* now, parse the features list */
- for ( n = 0; n < table->features; n++ )
- {
- if (table->features[n])
- {
- TT_UInt count;
- TT_UShort index;
- TT_Byte* feature;
-
- feature = features + OTL_UShort(p);
- p += 4; /* skip tag */
-
- /* now, select all lookups from this feature */
- count = OTL_UShort(feature);
- for ( ; count > 0; count-- )
- {
- index = OTL_UShort(feature);
- if (index < table->max_lookups)
- table->lookups[index] = 1;
- }
- }
- }
- }
-
-
- /* find the basevalues and minmax for the current script/language */
- /* only use it with a BASE table.. */
- LOCAL_FUNC
- void OTL_Get_Baseline_Values( OTL_Table* table,
- TT_ULong language_tag )
- {
- TT_Byte* script = table->cur_script;
- TT_Byte* p = script;
- TT_UShort offset, count;
-
- table->cur_basevalues = 0;
- table->cur_minmax = 0;
-
- /* read basevalues */
- offset = OTL_UShort(p);
- if (offset)
- table->cur_basevalues = script + offset;
-
- offset = OTL_UShort(p);
- if (offset)
- table->cur_minmax = script + offset;
-
- count = OTL_UShort(p);
- for ( ; count > 0; count-- )
- {
- TT_ULong tag;
-
- tag = OTL_ULong(p);
- if ( language_tag == tag )
- {
- table->cur_minmax = script + OTL_UShort(p);
- break;
- }
- p += 2; /* skip offset */
- }
- }
-
-
- /* compute the coverage value of a given glyph id */
- LOCAL_FUNC
- TT_Long OTL_Get_Coverage_Index( TT_Byte* coverage,
- TT_UInt glyph_id )
- {
- TT_Long result = -1;
- TT_UInt count, index, start, end;
- TT_Byte* p = coverage;
-
- switch ( OTL_UShort(p) )
- {
- case 1: /* coverage format 1 - array of glyph indices */
- {
- count = OTL_UShort(p);
- for ( index = 0; index < count; index++ )
- {
- if ( OTL_UShort(p) == glyph_id )
- {
- result = index;
- break;
- }
- }
- }
- break;
-
- case 2:
- {
- count = OTL_UShort(p);
- for ( ; count > 0; count-- )
- {
- start = OTL_UShort(p);
- end = OTL_UShort(p);
- index = OTL_UShort(p);
- if (start <= glyph_id && glyph_id <= end)
- {
- result = glyph_id - start + index;
- break;
- }
- }
- }
- break;
- }
- return result;
- }
-
-
- /* compute the class value of a given glyph_id */
- LOCAL_FUNC
- TT_UInt OTL_Get_Glyph_Class( TT_Byte* class_def,
- TT_UInt glyph_id )
- {
- TT_Byte* p = class_def;
- TT_UInt result = 0;
- TT_UInt start, end, count, index;
-
- switch ( OTL_UShort(p) )
- {
- case 1:
- {
- start = OTL_UShort(p);
- count = OTL_UShort(p);
-
- glyph_id -= start;
- if (glyph_id < count)
- {
- p += 2*glyph_id;
- result = OTL_UShort(p);
- }
- }
- break;
-
- case 2:
- {
- count = OTL_UShort(p);
- for ( ; count > 0; count-- )
- {
- start = OTL_UShort(p);
- end = OTL_UShort(p);
- index = OTL_UShort(p);
- if ( start <= glyph_id && glyph_id <= end )
- {
- result = index;
- break;
- }
- }
- }
- break;
- }
- return result;
- }
-
-
- /* compute the adjustement necessary for a given device size */
- LOCAL_FUNC
- TT_Int OTL_Get_Device_Adjustment( TT_Byte* device,
- TT_UInt size )
- {
- TT_Byte* p = device;
- TT_Int result = 0;
- TT_UInt start, end;
- TT_Short value;
-
- start = OTL_UShort(p);
- end = OTL_UShort(p);
- if (size >= start && size <= end)
- {
- /* I know we could do all of this without a switch, with */
- /* clever shifts and everything, but it makes the code */
- /* really difficult to understand.. */
-
- size -= start;
- switch ( OTL_UShort(p) )
- {
- case 1: /* 2-bits per value */
- {
- p += 2*(size >> 3);
- size = (size & 7) << 1;
- value = (TT_Short)((TT_Short)OTL_UShort(p) << size);
- result = value >> 14;
- }
- break;
-
- case 2: /* 4-bits per value */
- {
- p += 2*(size >> 2);
- size = (size & 3) << 2;
- value = (TT_Short)((TT_Short)OTL_UShort(p) << size);
- result = value >> 12;
- }
- break;
-
- case 3: /* 8-bits per value */
- {
- p += 2*(size >> 1);
- size = (size & 1) << 3;
- value = (TT_Short)((TT_Short)OTL_UShort(p) << size);
- result = value >> 8;
- }
- break;
- }
- }
- return result;
- }
-
- /* extract a BaseCoord value */
- LOCAL_FUNC
- void OTL_Get_Base_Coordinate( TT_Byte* base_coord,
- OTL_ValueRecord* coord )
- {
- TT_Byte* p = base_coord;
- TT_Int result = 0;
-
- coord->format = OTL_UShort(p);
- coord->coordinate = OTL_Short(p);
- coord->device = 0;
-
- switch (coord->format)
- {
- case 2: /* format 2 */
- coord->ref_glyph = OTL_UShort(p);
- coord->ref_point = OTL_UShort(p);
- break;
-
- case 3: /* format 3 */
- coord->device = p - 4 + OTL_UShort(p);
- break;
-
- default:
- ;
- }
- }
-
-
- /* compute size of ValueRecord */
- LOCAL_FUNC
- TT_Int OTL_ValueRecord_Size( TT_UShort format )
- {
- TT_Int count;
-
- /* each bit in the value format corresponds to a single ushort */
- /* we thus count the bits, and multiply the result by 2 */
-
- count = (TT_Int)(format & 0xFF);
- count = ((count & 0xAA) >> 1) + (count & 0x55);
- count = ((count & 0xCC) >> 2) + (count & 0x33);
- count = ((count & 0xF0) >> 4) + (count & 0x0F);
-
- return count*2;
- }
-
-
-
- /* extract ValueRecord */
- LOCAL_FUNC
- void OTL_Get_ValueRecord( TT_Byte* value_record,
- TT_UShort value_format,
- TT_Byte* pos_table,
- OTL_ValueRecord* record )
- {
- TT_Byte* p = value_record;
-
- /* clear vectors */
- record->placement.x = 0;
- record->placement.y = 0;
- record->advance.x = 0;
- record->advance.y = 0;
-
- record->device_pla_x = 0;
- record->device_pla_y = 0;
- record->device_adv_x = 0;
- record->device_adv_y = 0;
-
- if (value_format & 1) record->placement.x = NEXT_Short(p);
- if (value_format & 2) record->placement.y = NEXT_Short(p);
- if (value_format & 4) record->advance.x = NEXT_Short(p);
- if (value_format & 8) record->advance.y = NEXT_Short(p);
-
- if (value_format & 16) record->device_pla_x = pos_table + NEXT_UShort(p);
- if (value_format & 32) record->device_pla_y = pos_table + NEXT_UShort(p);
- if (value_format & 64) record->device_adv_x = pos_table + NEXT_UShort(p);
- if (value_format & 128) record->device_adv_y = pos_table + NEXT_UShort(p);
- }
-
-
-
- /* extract Anchor */
- LOCAL_FUNC
- void OTL_Get_Anchor( TT_Byte* anchor_table,
- OTL_Anchor* anchor )
- {
- TT_Byte* p = anchor_table;
-
- anchor->format = NEXT_UShort(p);
- anchor->coord.x = NEXT_Short(p);
- anchor->coord.y = NEXT_Short(p);
- anchor->point = 0;
- anchor->device_x = 0;
- anchor->device_y = 0;
-
- switch (anchor->format)
- {
- case 2:
- anchor->point = NEXT_UShort(p);
- break;
-
- case 3:
- anchor->device_x = anchor_table + NEXT_UShort(p);
- anchor->device_y = anchor_table + NEXT_UShort(p);
- break;
-
- default:
- ;
- }
- }
-
-
-
- /* extract Mark from MarkArray */
- LOCAL_FUNC
- void OTL_Get_Mark( TT_Byte* mark_array,
- TT_UInt index,
- TT_UShort* clazz,
- OTL_Anchor* anchor )
- {
- TT_Byte* p = mark_array;
- TT_UInt count;
-
- *clazz = 0;
- MEM_Set( anchor, 0, sizeof(*anchor) );
-
- count = NEXT_UShort(p);
- if (index < count)
- {
- p += 4*index;
- *clazz = NEXT_UShort(p);
- OTL_Get_Anchor( mark_array + NEXT_UShort(p), anchor );
- }
- }
-
diff --git a/src/otlayout/oltypes.h b/src/otlayout/oltypes.h
deleted file mode 100644
index 68d0257..0000000
--- a/src/otlayout/oltypes.h
+++ /dev/null
@@ -1,312 +0,0 @@
-#ifndef OLTYPES_H
-#define OLTYPES_H
-
-#include <freetype/internal/ftobjs.h>
-
- /*************************************************************
- *
- * <Struct> OTL_Table
- *
- * <Description>
- * The base table of most OpenType Layout sub-tables.
- * Provides a simple way to scan a table for script,
- * languages, features and lookups..
- *
- * <Fields>
- * num_scripts :: number of scripts in table's script list
- * script_tags :: array of tags for each table script
- *
- * max_languages :: max number of languages for any script in
- * the table.
- * num_languages :: number of languages available for current script
- * language_tags :: tags of all languages available for current script.
- *
- * max_features :: total number of features in table
- * feature_tags :: tags of all features for current script/language
- * features :: selection flags for all features in current script/lang
- *
- * max_lookups :: total number of lookups in table
- * lookups :: selection flags for all lookups for current
- * feature list.
- *
- ****************************************************************/
-
- typedef enum OTL_Type_
- {
- otl_type_none = 0,
- otl_type_base,
- otl_type_gdef,
- otl_type_gpos,
- otl_type_gsub,
- otl_type_jstf
-
- } OTL_Type;
-
-
- typedef struct OTL_Table_
- {
- FT_Memory memory;
-
- FT_Int num_scripts;
- FT_Tag* script_tags;
-
- FT_Int max_languages;
- FT_Int num_languages;
- FT_Tag* language_tags;
-
- FT_Int max_features;
- FT_Tag* feature_tags;
- FT_Bool* features;
-
- FT_Int max_lookups;
- FT_Bool* lookups;
-
- FT_Byte* scripts_table;
- FT_Long scripts_len;
-
- FT_Byte* features_table;
- FT_Long* features_len;
-
- FT_Byte* lookups_table;
- FT_Byte* lookups_len;
-
- FT_Byte* cur_script; /* current script */
- FT_Byte* cur_language; /* current language */
-
- FT_Byte* cur_base_values;
- FT_Byte* cur_min_max;
-
- OTL_Type otl_type;
-
- } OTL_Table;
-
-
- typedef struct OTL_BaseCoord_
- {
- FT_UShort format;
- FT_Short coordinate;
- FT_UShort ref_glyph;
- FT_UShort ref_point;
- FT_Byte* device;
-
- } OTL_BaseCoord;
-
-
- typedef struct OTL_ValueRecord_
- {
- FT_Vector placement;
- FT_Vector advance;
-
- FT_Byte* device_pla_x;
- FT_Byte* device_pla_y;
- FT_Byte* device_adv_x;
- FT_Byte* device_adv_y;
-
- } OTL_ValueRecord;
-
-
- typedef struct OTL_Anchor_
- {
- FT_UInt format;
- FT_Vector coord;
- FT_UInt anchor_point;
- FT_Byte* device_x;
- FT_Byte* device_y;
-
- } OTL_Anchor;
-
-
- LOCAL_DEF
- FT_Error OTL_Table_Init( OTL_Table* table,
- FT_Memory memory );
-
- LOCAL_DEF
- void OTL_Table_Done( OTL_Table* table );
-
-
-
-/*****************************************************
- *
- * Typical uses:
- *
- * - after OTL_Table_Set_Scripts have been called :
- *
- * table->script_tags contains the list of tags of all
- * scripts defined for this table.
- *
- * table->num_scripts is the number of scripts
- *
- */
- LOCAL_DEF
- FT_Error OTL_Table_Set_Scripts( OTL_Table* table,
- FT_Byte* bytes,
- FT_Long len,
- OTL_Type otl_type );
-
-
-/********************************************************
- *
- * - after calling OTL_Table_Set_Features:
- *
- * table->max_features is the number of all features
- * in the table
- *
- * table->feature_tags is the list of tags of all
- * features in the table
- *
- * table->features[] is an array of boolean used to
- * indicate which feature is active for a given script/language
- * it is empty (zero-filled) by default.
- *
- */
- LOCAL_DEF
- FT_Error OTL_Table_Set_Features( OTL_Table* table,
- FT_Byte* bytes,
- FT_Long len );
-
-
-
- LOCAL_DEF
- FT_Error OTL_Table_Set_Lookups( OTL_Table* table,
- FT_Byte* bytes,
- FT_Long len );
-
-
-/*******************************************************************
- *
- * - after calling OTL_Get_Languages_List(script_tag):
- *
- * table->num_languages is the number of language systems
- * available for the script, including the default
- * langsys if there is one
- *
- * table->language_tags contains the list of tags of all
- * languages for the script. Note that the default langsys
- * has tag "0" and is always placed first in "language_tags".
- *
- *
- *
- */
- LOCAL_DEF
- void OTL_Get_Languages_List( OTL_Table* table,
- FT_ULong script_tag );
-
-
-/*******************************************************************
- *
- * - after calling OTL_Get_Features_List(language_tag):
- *
- * table->features[] is an array of booleans used to indicate
- * which features are active for the current script/language
- *
- * note that this function must be called after OTL_Get_Languages
- * which remembers the last "script_tag" used..
- *
- * A client application can change the table->features[] array
- * to add or remove features from the list.
- *
- *
- *
- */
- LOCAL_DEF
- void OTL_Get_Features_List( OTL_Table* table,
- FT_ULong language_tag );
-
- LOCAL_DEF
- void OTL_Get_Baseline_Values( OTL_Table* table,
- FT_ULong language_tag );
-
- LOCAL_DEF
- void OTL_Get_Justification( OTL_Table* table,
- FT_ULong language_tag );
-
-/*******************************************************************
- *
- * - after calling OTL_Get_Lookups_List():
- *
- * The function uses the table->features[] array of boolean
- * to determine which lookups must be processed.
- *
- * It fills the table->lookups[] array accordingly. It is also
- * an array of booleans (one for each lookup).
- *
- *
- */
-
- LOCAL_DEF
- void OTL_Get_Lookups_List( OTL_Table* table );
-
-
-/***************************************************************
- *
- * So the whole thing looks like:
- *
- *
- * 1. A client specifies a given script and requests available
- * language through OTL_Get_Languages_List()
- *
- * 2. It selects the language tag it needs, then calls
- * OTL_Get_Features_List()
- *
- * 3. It updates the list of active features if it needs to
- *
- * 4. It calls OTL_Get_Lookups_List()
- * It now has a list of active lookups in "table->lookups[]"
- *
- * 5. The lookups are processed according to the table's type..
- *
- */
-
-
-
-
- LOCAL_DEF
- FT_Long OTL_Get_Coverage_Index( FT_Byte* coverage,
- FT_UInt glyph_id );
-
- LOCAL_DEF
- FT_UInt OTL_Get_Glyph_Class( FT_Byte* class_def,
- FT_UInt glyph_id );
-
- LOCAL_DEF
- FT_Int OTL_Get_Device_Adjustment( FT_Byte* device,
- FT_UInt size );
-
- LOCAL_DEF
- void OTL_Get_Base_Coordinate( FT_Byte* base_coord,
- OTL_BaseCoord* coord );
-
-
- LOCAL_DEF
- FT_Int OTL_ValueRecord_Size( FT_UShort value_format );
-
-
- LOCAL_DEF
- void OTL_Get_ValueRecord( FT_Byte* value_record,
- FT_UShort value_format,
- FT_Byte* pos_table,
- OTL_ValueRecord* record );
-
-
- LOCAL_DEF
- void OTL_Get_Anchor( FT_Byte* anchor_table,
- OTL_Anchor* anchor );
-
-
- LOCAL_DEF
- void OTL_Get_Mark( FT_Byte* mark_array,
- FT_UInt index,
- FT_UShort* clazz,
- OTL_Anchor* anchor );
-
-
-
-#define OTL_Byte(p) (p++, p[-1])
-
-#define OTL_UShort(p) (p+=2, ((FT_UShort)p[-2] << 8) | p[-1])
-
-#define OTL_ULong(p) (p+=4, ((FT_ULong)p[-4] << 24) | \
- ((FT_ULong)p[-3] << 16) | \
- ((FT_ULong)p[-2] << 8 ) | p[-1] )
-
-#endif /* OLTYPES_H */