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class="md-sidebar__scrollwrap"> 168 <div class="md-sidebar__inner"> 169 <nav class="md-nav md-nav--primary" data-md-level="0"> 170 <label class="md-nav__title md-nav__title--site" for="__drawer"> 171 <a href="." title="FreeType-2.10.4 API Reference" class="md-nav__button md-logo"> 172 173 <img alt="logo" src="images/favico.ico" width="48" height="48"> 174 175 </a> 176 FreeType-2.10.4 API Reference 177 </label> 178 179 <ul class="md-nav__list" data-md-scrollfix> 180 181 182 183 184 185 186 <li class="md-nav__item"> 187 <a href="index.html" title="TOC" class="md-nav__link"> 188 TOC 189 </a> 190 </li> 191 192 193 194 195 196 197 198 <li class="md-nav__item"> 199 <a href="ft2-index.html" title="Index" class="md-nav__link"> 200 Index 201 </a> 202 </li> 203 204 205 206 207 208 209 210 <li class="md-nav__item md-nav__item--nested"> 211 212 <input class="md-toggle md-nav__toggle" data-md-toggle="nav-3" type="checkbox" id="nav-3"> 213 214 <label class="md-nav__link" for="nav-3"> 215 General Remarks 216 </label> 217 <nav class="md-nav" data-md-component="collapsible" data-md-level="1"> 218 <label class="md-nav__title" for="nav-3"> 219 General Remarks 220 </label> 221 <ul class="md-nav__list" data-md-scrollfix> 222 223 224 225 226 227 228 229 <li class="md-nav__item"> 230 <a href="ft2-header_inclusion.html" title="FreeType's header inclusion scheme" class="md-nav__link"> 231 FreeType's header inclusion scheme 232 </a> 233 </li> 234 235 236 237 238 239 240 241 <li class="md-nav__item"> 242 <a href="ft2-user_allocation.html" title="User allocation" class="md-nav__link"> 243 User allocation 244 </a> 245 </li> 246 247 248 </ul> 249 </nav> 250 </li> 251 252 253 254 255 256 257 258 <li class="md-nav__item md-nav__item--nested"> 259 260 <input class="md-toggle md-nav__toggle" data-md-toggle="nav-4" type="checkbox" id="nav-4"> 261 262 <label class="md-nav__link" for="nav-4"> 263 Core API 264 </label> 265 <nav class="md-nav" data-md-component="collapsible" data-md-level="1"> 266 <label class="md-nav__title" for="nav-4"> 267 Core API 268 </label> 269 <ul class="md-nav__list" data-md-scrollfix> 270 271 272 273 274 275 276 277 <li class="md-nav__item"> 278 <a href="ft2-version.html" title="FreeType Version" class="md-nav__link"> 279 FreeType Version 280 </a> 281 </li> 282 283 284 285 286 287 288 289 <li class="md-nav__item"> 290 <a href="ft2-basic_types.html" title="Basic Data Types" class="md-nav__link"> 291 Basic Data Types 292 </a> 293 </li> 294 295 296 297 298 299 300 301 <li class="md-nav__item"> 302 <a href="ft2-base_interface.html" title="Base Interface" class="md-nav__link"> 303 Base Interface 304 </a> 305 </li> 306 307 308 309 310 311 312 313 <li class="md-nav__item"> 314 <a href="ft2-glyph_variants.html" title="Unicode Variation Sequences" class="md-nav__link"> 315 Unicode Variation Sequences 316 </a> 317 </li> 318 319 320 321 322 323 324 325 <li class="md-nav__item"> 326 <a href="ft2-color_management.html" title="Glyph Color Management" class="md-nav__link"> 327 Glyph Color Management 328 </a> 329 </li> 330 331 332 333 334 335 336 337 <li class="md-nav__item"> 338 <a href="ft2-layer_management.html" title="Glyph Layer Management" class="md-nav__link"> 339 Glyph Layer Management 340 </a> 341 </li> 342 343 344 345 346 347 348 349 <li class="md-nav__item"> 350 <a href="ft2-glyph_management.html" title="Glyph Management" class="md-nav__link"> 351 Glyph Management 352 </a> 353 </li> 354 355 356 357 358 359 360 361 <li class="md-nav__item"> 362 <a href="ft2-mac_specific.html" title="Mac Specific Interface" class="md-nav__link"> 363 Mac Specific Interface 364 </a> 365 </li> 366 367 368 369 370 371 372 373 <li class="md-nav__item"> 374 <a href="ft2-sizes_management.html" title="Size Management" class="md-nav__link"> 375 Size Management 376 </a> 377 </li> 378 379 380 381 382 383 384 385 <li class="md-nav__item"> 386 <a href="ft2-header_file_macros.html" title="Header File Macros" class="md-nav__link"> 387 Header File Macros 388 </a> 389 </li> 390 391 392 </ul> 393 </nav> 394 </li> 395 396 397 398 399 400 401 402 <li class="md-nav__item md-nav__item--nested"> 403 404 <input class="md-toggle md-nav__toggle" data-md-toggle="nav-5" type="checkbox" id="nav-5"> 405 406 <label class="md-nav__link" for="nav-5"> 407 Format-Specific API 408 </label> 409 <nav class="md-nav" data-md-component="collapsible" data-md-level="1"> 410 <label class="md-nav__title" for="nav-5"> 411 Format-Specific API 412 </label> 413 <ul class="md-nav__list" data-md-scrollfix> 414 415 416 417 418 419 420 421 <li class="md-nav__item"> 422 <a href="ft2-multiple_masters.html" title="Multiple Masters" class="md-nav__link"> 423 Multiple Masters 424 </a> 425 </li> 426 427 428 429 430 431 432 433 <li class="md-nav__item"> 434 <a href="ft2-truetype_tables.html" title="TrueType Tables" class="md-nav__link"> 435 TrueType Tables 436 </a> 437 </li> 438 439 440 441 442 443 444 445 <li class="md-nav__item"> 446 <a href="ft2-type1_tables.html" title="Type 1 Tables" class="md-nav__link"> 447 Type 1 Tables 448 </a> 449 </li> 450 451 452 453 454 455 456 457 <li class="md-nav__item"> 458 <a href="ft2-sfnt_names.html" title="SFNT Names" class="md-nav__link"> 459 SFNT Names 460 </a> 461 </li> 462 463 464 465 466 467 468 469 <li class="md-nav__item"> 470 <a href="ft2-bdf_fonts.html" title="BDF and PCF Files" class="md-nav__link"> 471 BDF and PCF Files 472 </a> 473 </li> 474 475 476 477 478 479 480 481 <li class="md-nav__item"> 482 <a href="ft2-cid_fonts.html" title="CID Fonts" class="md-nav__link"> 483 CID Fonts 484 </a> 485 </li> 486 487 488 489 490 491 492 493 <li class="md-nav__item"> 494 <a href="ft2-pfr_fonts.html" title="PFR Fonts" class="md-nav__link"> 495 PFR Fonts 496 </a> 497 </li> 498 499 500 501 502 503 504 505 <li class="md-nav__item"> 506 <a href="ft2-winfnt_fonts.html" title="Window FNT Files" class="md-nav__link"> 507 Window FNT Files 508 </a> 509 </li> 510 511 512 513 514 515 516 517 <li class="md-nav__item"> 518 <a href="ft2-font_formats.html" title="Font Formats" class="md-nav__link"> 519 Font Formats 520 </a> 521 </li> 522 523 524 525 526 527 528 529 <li class="md-nav__item"> 530 <a href="ft2-gasp_table.html" title="Gasp Table" class="md-nav__link"> 531 Gasp Table 532 </a> 533 </li> 534 535 536 </ul> 537 </nav> 538 </li> 539 540 541 542 543 544 545 546 <li class="md-nav__item md-nav__item--nested"> 547 548 <input class="md-toggle md-nav__toggle" data-md-toggle="nav-6" type="checkbox" id="nav-6"> 549 550 <label class="md-nav__link" for="nav-6"> 551 Controlling FreeType Modules 552 </label> 553 <nav class="md-nav" data-md-component="collapsible" data-md-level="1"> 554 <label class="md-nav__title" for="nav-6"> 555 Controlling FreeType Modules 556 </label> 557 <ul class="md-nav__list" data-md-scrollfix> 558 559 560 561 562 563 564 565 <li class="md-nav__item"> 566 <a href="ft2-auto_hinter.html" title="The auto-hinter" class="md-nav__link"> 567 The auto-hinter 568 </a> 569 </li> 570 571 572 573 574 575 576 577 <li class="md-nav__item"> 578 <a href="ft2-cff_driver.html" title="The CFF driver" class="md-nav__link"> 579 The CFF driver 580 </a> 581 </li> 582 583 584 585 586 587 588 589 <li class="md-nav__item"> 590 <a href="ft2-t1_cid_driver.html" title="The Type 1 and CID drivers" class="md-nav__link"> 591 The Type 1 and CID drivers 592 </a> 593 </li> 594 595 596 597 598 599 600 601 <li class="md-nav__item"> 602 <a href="ft2-tt_driver.html" title="The TrueType driver" class="md-nav__link"> 603 The TrueType driver 604 </a> 605 </li> 606 607 608 609 610 611 612 613 <li class="md-nav__item"> 614 <a href="ft2-pcf_driver.html" title="The PCF driver" class="md-nav__link"> 615 The PCF driver 616 </a> 617 </li> 618 619 620 621 622 623 624 625 <li class="md-nav__item"> 626 <a href="ft2-properties.html" title="Driver properties" class="md-nav__link"> 627 Driver properties 628 </a> 629 </li> 630 631 632 633 634 635 636 637 <li class="md-nav__item"> 638 <a href="ft2-parameter_tags.html" title="Parameter Tags" class="md-nav__link"> 639 Parameter Tags 640 </a> 641 </li> 642 643 644 645 646 647 648 649 <li class="md-nav__item"> 650 <a href="ft2-lcd_rendering.html" title="Subpixel Rendering" class="md-nav__link"> 651 Subpixel Rendering 652 </a> 653 </li> 654 655 656 </ul> 657 </nav> 658 </li> 659 660 661 662 663 664 665 666 <li class="md-nav__item md-nav__item--nested"> 667 668 <input class="md-toggle md-nav__toggle" data-md-toggle="nav-7" type="checkbox" id="nav-7"> 669 670 <label class="md-nav__link" for="nav-7"> 671 Cache Sub-System 672 </label> 673 <nav class="md-nav" data-md-component="collapsible" data-md-level="1"> 674 <label class="md-nav__title" for="nav-7"> 675 Cache Sub-System 676 </label> 677 <ul class="md-nav__list" data-md-scrollfix> 678 679 680 681 682 683 684 685 <li class="md-nav__item"> 686 <a href="ft2-cache_subsystem.html" title="Cache Sub-System" class="md-nav__link"> 687 Cache Sub-System 688 </a> 689 </li> 690 691 692 </ul> 693 </nav> 694 </li> 695 696 697 698 699 700 701 702 703 704 <li class="md-nav__item md-nav__item--active md-nav__item--nested"> 705 706 <input class="md-toggle md-nav__toggle" data-md-toggle="nav-8" type="checkbox" id="nav-8" checked> 707 708 <label class="md-nav__link" for="nav-8"> 709 Support API 710 </label> 711 <nav class="md-nav" data-md-component="collapsible" data-md-level="1"> 712 <label class="md-nav__title" for="nav-8"> 713 Support API 714 </label> 715 <ul class="md-nav__list" data-md-scrollfix> 716 717 718 719 720 721 722 723 <li class="md-nav__item"> 724 <a href="ft2-computations.html" title="Computations" class="md-nav__link"> 725 Computations 726 </a> 727 </li> 728 729 730 731 732 733 734 735 <li class="md-nav__item"> 736 <a href="ft2-list_processing.html" title="List Processing" class="md-nav__link"> 737 List Processing 738 </a> 739 </li> 740 741 742 743 744 745 746 747 <li class="md-nav__item"> 748 <a href="ft2-outline_processing.html" title="Outline Processing" class="md-nav__link"> 749 Outline Processing 750 </a> 751 </li> 752 753 754 755 756 757 758 759 760 761 <li class="md-nav__item md-nav__item--active"> 762 763 <input class="md-toggle md-nav__toggle" data-md-toggle="toc" type="checkbox" id="__toc"> 764 765 766 767 768 <label class="md-nav__link md-nav__link--active" for="__toc"> 769 Quick retrieval of advance values 770 </label> 771 772 <a href="ft2-quick_advance.html" title="Quick retrieval of advance values" class="md-nav__link md-nav__link--active"> 773 Quick retrieval of advance values 774 </a> 775 776 777<nav class="md-nav md-nav--secondary"> 778 779 780 781 782 783 <label class="md-nav__title" for="__toc">Table of contents</label> 784 <ul class="md-nav__list" data-md-scrollfix> 785 786 <li class="md-nav__item"> 787 <a href="#synopsis" class="md-nav__link"> 788 Synopsis 789 </a> 790 791</li> 792 793 <li class="md-nav__item"> 794 <a href="#ft_get_advance" class="md-nav__link"> 795 FT_Get_Advance 796 </a> 797 798</li> 799 800 <li class="md-nav__item"> 801 <a href="#ft_get_advances" class="md-nav__link"> 802 FT_Get_Advances 803 </a> 804 805</li> 806 807 <li class="md-nav__item"> 808 <a href="#ft_advance_flag_fast_only" class="md-nav__link"> 809 FT_ADVANCE_FLAG_FAST_ONLY 810 </a> 811 812</li> 813 814 815 816 817 818 </ul> 819 820</nav> 821 822 </li> 823 824 825 826 827 828 829 830 <li class="md-nav__item"> 831 <a href="ft2-bitmap_handling.html" title="Bitmap Handling" class="md-nav__link"> 832 Bitmap Handling 833 </a> 834 </li> 835 836 837 838 839 840 841 842 <li class="md-nav__item"> 843 <a href="ft2-raster.html" title="Scanline Converter" class="md-nav__link"> 844 Scanline Converter 845 </a> 846 </li> 847 848 849 850 851 852 853 854 <li class="md-nav__item"> 855 <a href="ft2-glyph_stroker.html" title="Glyph Stroker" class="md-nav__link"> 856 Glyph Stroker 857 </a> 858 </li> 859 860 861 862 863 864 865 866 <li class="md-nav__item"> 867 <a href="ft2-system_interface.html" title="System Interface" class="md-nav__link"> 868 System Interface 869 </a> 870 </li> 871 872 873 874 875 876 877 878 <li class="md-nav__item"> 879 <a href="ft2-module_management.html" title="Module Management" class="md-nav__link"> 880 Module Management 881 </a> 882 </li> 883 884 885 886 887 888 889 890 <li class="md-nav__item"> 891 <a href="ft2-gzip.html" title="GZIP Streams" class="md-nav__link"> 892 GZIP Streams 893 </a> 894 </li> 895 896 897 898 899 900 901 902 <li class="md-nav__item"> 903 <a href="ft2-lzw.html" title="LZW Streams" class="md-nav__link"> 904 LZW Streams 905 </a> 906 </li> 907 908 909 910 911 912 913 914 <li class="md-nav__item"> 915 <a href="ft2-bzip2.html" title="BZIP2 Streams" class="md-nav__link"> 916 BZIP2 Streams 917 </a> 918 </li> 919 920 921 </ul> 922 </nav> 923 </li> 924 925 926 927 928 929 930 931 <li class="md-nav__item md-nav__item--nested"> 932 933 <input class="md-toggle md-nav__toggle" data-md-toggle="nav-9" type="checkbox" id="nav-9"> 934 935 <label class="md-nav__link" for="nav-9"> 936 Error Codes 937 </label> 938 <nav class="md-nav" data-md-component="collapsible" data-md-level="1"> 939 <label class="md-nav__title" for="nav-9"> 940 Error Codes 941 </label> 942 <ul class="md-nav__list" data-md-scrollfix> 943 944 945 946 947 948 949 950 <li class="md-nav__item"> 951 <a href="ft2-error_enumerations.html" title="Error Enumerations" class="md-nav__link"> 952 Error Enumerations 953 </a> 954 </li> 955 956 957 958 959 960 961 962 <li class="md-nav__item"> 963 <a href="ft2-error_code_values.html" title="Error Code Values" class="md-nav__link"> 964 Error Code Values 965 </a> 966 </li> 967 968 969 </ul> 970 </nav> 971 </li> 972 973 974 975 976 977 978 979 <li class="md-nav__item md-nav__item--nested"> 980 981 <input class="md-toggle md-nav__toggle" data-md-toggle="nav-10" type="checkbox" id="nav-10"> 982 983 <label class="md-nav__link" for="nav-10"> 984 Miscellaneous 985 </label> 986 <nav class="md-nav" data-md-component="collapsible" data-md-level="1"> 987 <label class="md-nav__title" for="nav-10"> 988 Miscellaneous 989 </label> 990 <ul class="md-nav__list" data-md-scrollfix> 991 992 993 994 995 996 997 998 <li class="md-nav__item"> 999 <a href="ft2-gx_validation.html" title="TrueTypeGX/AAT Validation" class="md-nav__link"> 1000 TrueTypeGX/AAT Validation 1001 </a> 1002 </li> 1003 1004 1005 1006 1007 1008 1009 1010 <li class="md-nav__item"> 1011 <a href="ft2-incremental.html" title="Incremental Loading" class="md-nav__link"> 1012 Incremental Loading 1013 </a> 1014 </li> 1015 1016 1017 1018 1019 1020 1021 1022 <li class="md-nav__item"> 1023 <a href="ft2-truetype_engine.html" title="The TrueType Engine" class="md-nav__link"> 1024 The TrueType Engine 1025 </a> 1026 </li> 1027 1028 1029 1030 1031 1032 1033 1034 <li class="md-nav__item"> 1035 <a href="ft2-ot_validation.html" title="OpenType Validation" class="md-nav__link"> 1036 OpenType Validation 1037 </a> 1038 </li> 1039 1040 1041 </ul> 1042 </nav> 1043 </li> 1044 1045 1046 </ul> 1047</nav> 1048 </div> 1049 </div> 1050 </div> 1051 1052 1053 <div class="md-sidebar md-sidebar--secondary" data-md-component="toc"> 1054 <div class="md-sidebar__scrollwrap"> 1055 <div class="md-sidebar__inner"> 1056 1057<nav class="md-nav md-nav--secondary"> 1058 1059 1060 1061 1062 1063 <label class="md-nav__title" for="__toc">Table of contents</label> 1064 <ul class="md-nav__list" data-md-scrollfix> 1065 1066 <li class="md-nav__item"> 1067 <a href="#synopsis" class="md-nav__link"> 1068 Synopsis 1069 </a> 1070 1071</li> 1072 1073 <li class="md-nav__item"> 1074 <a href="#ft_get_advance" class="md-nav__link"> 1075 FT_Get_Advance 1076 </a> 1077 1078</li> 1079 1080 <li class="md-nav__item"> 1081 <a href="#ft_get_advances" class="md-nav__link"> 1082 FT_Get_Advances 1083 </a> 1084 1085</li> 1086 1087 <li class="md-nav__item"> 1088 <a href="#ft_advance_flag_fast_only" class="md-nav__link"> 1089 FT_ADVANCE_FLAG_FAST_ONLY 1090 </a> 1091 1092</li> 1093 1094 1095 1096 1097 1098 </ul> 1099 1100</nav> 1101 </div> 1102 </div> 1103 </div> 1104 1105 1106 <div class="md-content"> 1107 <article class="md-content__inner md-typeset"> 1108 1109 1110 1111 <p><a href="https://www.freetype.org">FreeType</a> » <a href="../">Docs</a> » <a href="index.html#support-api">Support API</a> » Quick retrieval of advance values</p> 1112<hr /> 1113<h1 id="quick-retrieval-of-advance-values">Quick retrieval of advance values<a class="headerlink" href="#quick-retrieval-of-advance-values" title="Permanent link">¶</a></h1> 1114<h2 id="synopsis">Synopsis<a class="headerlink" href="#synopsis" title="Permanent link">¶</a></h2> 1115<p>This section contains functions to quickly extract advance values without handling glyph outlines, if possible.</p> 1116<h2 id="ft_get_advance">FT_Get_Advance<a class="headerlink" href="#ft_get_advance" title="Permanent link">¶</a></h2> 1117<p>Defined in FT_ADVANCES_H (freetype/ftadvanc.h).</p> 1118<div class = "codehilite"><pre><code> FT_EXPORT( <a href="ft2-basic_types.html#ft_error">FT_Error</a> ) 1119 <b>FT_Get_Advance</b>( <a href="ft2-base_interface.html#ft_face">FT_Face</a> face, 1120 <a href="ft2-basic_types.html#ft_uint">FT_UInt</a> gindex, 1121 <a href="ft2-basic_types.html#ft_int32">FT_Int32</a> load_flags, 1122 <a href="ft2-basic_types.html#ft_fixed">FT_Fixed</a> *padvance ); 1123</code></pre></div> 1124 1125<p>Retrieve the advance value of a given glyph outline in an <code><a href="ft2-base_interface.html#ft_face">FT_Face</a></code>.</p> 1126<h4>input</h4> 1127 1128<table class="fields"> 1129<tr><td class="val" id="face">face</td><td class="desc"> 1130<p>The source <code><a href="ft2-base_interface.html#ft_face">FT_Face</a></code> handle.</p> 1131</td></tr> 1132<tr><td class="val" id="gindex">gindex</td><td class="desc"> 1133<p>The glyph index.</p> 1134</td></tr> 1135<tr><td class="val" id="load_flags">load_flags</td><td class="desc"> 1136<p>A set of bit flags similar to those used when calling <code><a href="ft2-base_interface.html#ft_load_glyph">FT_Load_Glyph</a></code>, used to determine what kind of advances you need.</p> 1137</td></tr> 1138</table> 1139 1140<h4>output</h4> 1141 1142<table class="fields"> 1143<tr><td class="val" id="padvance">padvance</td><td class="desc"> 1144<p>The advance value. If scaling is performed (based on the value of <code>load_flags</code>), the advance value is in 16.16 format. Otherwise, it is in font units.</p> 1145<p>If <code><a href="ft2-base_interface.html#ft_load_xxx">FT_LOAD_VERTICAL_LAYOUT</a></code> is set, this is the vertical advance corresponding to a vertical layout. Otherwise, it is the horizontal advance in a horizontal layout.</p> 1146</td></tr> 1147</table> 1148 1149<h4>return</h4> 1150 1151<p>FreeType error code. 0 means success.</p> 1152<h4>note</h4> 1153 1154<p>This function may fail if you use <code><a href="ft2-quick_advance.html#ft_advance_flag_fast_only">FT_ADVANCE_FLAG_FAST_ONLY</a></code> and if the corresponding font backend doesn't have a quick way to retrieve the advances.</p> 1155<p>A scaled advance is returned in 16.16 format but isn't transformed by the affine transformation specified by <code><a href="ft2-base_interface.html#ft_set_transform">FT_Set_Transform</a></code>.</p> 1156<hr> 1157 1158<h2 id="ft_get_advances">FT_Get_Advances<a class="headerlink" href="#ft_get_advances" title="Permanent link">¶</a></h2> 1159<p>Defined in FT_ADVANCES_H (freetype/ftadvanc.h).</p> 1160<div class = "codehilite"><pre><code> FT_EXPORT( <a href="ft2-basic_types.html#ft_error">FT_Error</a> ) 1161 <b>FT_Get_Advances</b>( <a href="ft2-base_interface.html#ft_face">FT_Face</a> face, 1162 <a href="ft2-basic_types.html#ft_uint">FT_UInt</a> start, 1163 <a href="ft2-basic_types.html#ft_uint">FT_UInt</a> count, 1164 <a href="ft2-basic_types.html#ft_int32">FT_Int32</a> load_flags, 1165 <a href="ft2-basic_types.html#ft_fixed">FT_Fixed</a> *padvances ); 1166</code></pre></div> 1167 1168<p>Retrieve the advance values of several glyph outlines in an <code><a href="ft2-base_interface.html#ft_face">FT_Face</a></code>.</p> 1169<h4>input</h4> 1170 1171<table class="fields"> 1172<tr><td class="val" id="face">face</td><td class="desc"> 1173<p>The source <code><a href="ft2-base_interface.html#ft_face">FT_Face</a></code> handle.</p> 1174</td></tr> 1175<tr><td class="val" id="start">start</td><td class="desc"> 1176<p>The first glyph index.</p> 1177</td></tr> 1178<tr><td class="val" id="count">count</td><td class="desc"> 1179<p>The number of advance values you want to retrieve.</p> 1180</td></tr> 1181<tr><td class="val" id="load_flags">load_flags</td><td class="desc"> 1182<p>A set of bit flags similar to those used when calling <code><a href="ft2-base_interface.html#ft_load_glyph">FT_Load_Glyph</a></code>.</p> 1183</td></tr> 1184</table> 1185 1186<h4>output</h4> 1187 1188<table class="fields"> 1189<tr><td class="val" id="padvance">padvance</td><td class="desc"> 1190<p>The advance values. This array, to be provided by the caller, must contain at least <code>count</code> elements.</p> 1191<p>If scaling is performed (based on the value of <code>load_flags</code>), the advance values are in 16.16 format. Otherwise, they are in font units.</p> 1192<p>If <code><a href="ft2-base_interface.html#ft_load_xxx">FT_LOAD_VERTICAL_LAYOUT</a></code> is set, these are the vertical advances corresponding to a vertical layout. Otherwise, they are the horizontal advances in a horizontal layout.</p> 1193</td></tr> 1194</table> 1195 1196<h4>return</h4> 1197 1198<p>FreeType error code. 0 means success.</p> 1199<h4>note</h4> 1200 1201<p>This function may fail if you use <code><a href="ft2-quick_advance.html#ft_advance_flag_fast_only">FT_ADVANCE_FLAG_FAST_ONLY</a></code> and if the corresponding font backend doesn't have a quick way to retrieve the advances.</p> 1202<p>Scaled advances are returned in 16.16 format but aren't transformed by the affine transformation specified by <code><a href="ft2-base_interface.html#ft_set_transform">FT_Set_Transform</a></code>.</p> 1203<hr> 1204 1205<h2 id="ft_advance_flag_fast_only">FT_ADVANCE_FLAG_FAST_ONLY<a class="headerlink" href="#ft_advance_flag_fast_only" title="Permanent link">¶</a></h2> 1206<p>Defined in FT_ADVANCES_H (freetype/ftadvanc.h).</p> 1207<div class = "codehilite"><pre><code>#<span class="keyword">define</span> <b>FT_ADVANCE_FLAG_FAST_ONLY</b> 0x20000000L 1208</code></pre></div> 1209 1210<p>A bit-flag to be OR-ed with the <code>flags</code> parameter of the <code><a href="ft2-quick_advance.html#ft_get_advance">FT_Get_Advance</a></code> and <code><a href="ft2-quick_advance.html#ft_get_advances">FT_Get_Advances</a></code> functions.</p> 1211<p>If set, it indicates that you want these functions to fail if the corresponding hinting mode or font driver doesn't allow for very quick advance computation.</p> 1212<p>Typically, glyphs that are either unscaled, unhinted, bitmapped, or light-hinted can have their advance width computed very quickly.</p> 1213<p>Normal and bytecode hinted modes that require loading, scaling, and hinting of the glyph outline, are extremely slow by comparison.</p> 1214<hr> 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 </article> 1226 </div> 1227 </div> 1228 </main> 1229 1230 1231<footer class="md-footer"> 1232 1233 <div class="md-footer-nav"> 1234 <nav class="md-footer-nav__inner md-grid"> 1235 1236 <a href="ft2-outline_processing.html" title="Outline Processing" class="md-flex md-footer-nav__link md-footer-nav__link--prev" rel="prev"> 1237 <div class="md-flex__cell md-flex__cell--shrink"> 1238 <i class="md-icon md-icon--arrow-back md-footer-nav__button"></i> 1239 </div> 1240 <div class="md-flex__cell md-flex__cell--stretch md-footer-nav__title"> 1241 <span class="md-flex__ellipsis"> 1242 <span class="md-footer-nav__direction"> 1243 Previous 1244 </span> 1245 Outline Processing 1246 </span> 1247 </div> 1248 </a> 1249 1250 1251 <a href="ft2-bitmap_handling.html" title="Bitmap Handling" class="md-flex md-footer-nav__link md-footer-nav__link--next" rel="next"> 1252 <div class="md-flex__cell md-flex__cell--stretch md-footer-nav__title"> 1253 <span class="md-flex__ellipsis"> 1254 <span class="md-footer-nav__direction"> 1255 Next 1256 </span> 1257 Bitmap Handling 1258 </span> 1259 </div> 1260 <div class="md-flex__cell md-flex__cell--shrink"> 1261 <i class="md-icon md-icon--arrow-forward md-footer-nav__button"></i> 1262 </div> 1263 </a> 1264 1265 </nav> 1266 </div> 1267 1268 <div class="md-footer-meta md-typeset"> 1269 <div class="md-footer-meta__inner md-grid"> 1270 <div class="md-footer-copyright"> 1271 1272 <div class="md-footer-copyright__highlight"> 1273 Copyright 2020 <a href = "https://www.freetype.org/license.html">The FreeType Project</a>. 1274 </div> 1275 1276 powered by 1277 <a href="https://www.mkdocs.org" target="_blank" rel="noopener">MkDocs</a> 1278 and 1279 <a href="https://squidfunk.github.io/mkdocs-material/" target="_blank" rel="noopener"> 1280 Material for MkDocs</a> 1281 </div> 1282 1283 </div> 1284 </div> 1285</footer> 1286 1287 </div> 1288 1289 <script src="assets/javascripts/application.c33a9706.js"></script> 1290 1291 <script>app.initialize({version:"1.1",url:{base:"."}})</script> 1292 1293 <script src="javascripts/extra.js"></script> 1294 1295 1296 </body> 1297</html>