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diff --git a/modules/freetype2/docs/reference/ft2-gx_validation.html b/modules/freetype2/docs/reference/ft2-gx_validation.html new file mode 100644 index 0000000000..b821c615f8 --- /dev/null +++ b/modules/freetype2/docs/reference/ft2-gx_validation.html @@ -0,0 +1,1569 @@ + +<!doctype html> +<html lang="en" class="no-js"> + <head> + + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width,initial-scale=1"> + + <meta name="description" content="API Reference Documentation for FreeType-2.13.0"> + + + + <meta name="author" content="FreeType Contributors"> + + + <link rel="icon" href="images/favico.ico"> + <meta name="generator" content="mkdocs-1.2.1, mkdocs-material-7.1.9"> + + + + <title>TrueTypeGX/AAT Validation - FreeType-2.13.0 API Reference</title> + + + + <link rel="stylesheet" href="assets/stylesheets/main.ca7ac06f.min.css"> + + + <link rel="stylesheet" href="assets/stylesheets/palette.f1a3b89f.min.css"> + + + + <meta name="theme-color" content="#4cae4f"> + + + + + + + + <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin> + <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Noto+Serif:300,400,400i,700%7CRoboto+Mono&display=fallback"> + <style>:root{--md-text-font-family:"Noto Serif";--md-code-font-family:"Roboto Mono"}</style> + + + + + <link rel="stylesheet" href="stylesheets/extra.css"> + + + + + + + + </head> + + + + + + + + <body dir="ltr" data-md-color-scheme="" data-md-color-primary="green" data-md-color-accent="green"> + + + <script>function __prefix(e){return new URL(".",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script> + + <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off"> + <input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off"> + <label class="md-overlay" for="__drawer"></label> + <div data-md-component="skip"> + + + <a href="#truetypegxaat-validation" class="md-skip"> + Skip to content + </a> + + </div> + <div data-md-component="announce"> + + </div> + + <header class="md-header" data-md-component="header"> + <nav class="md-header__inner md-grid" aria-label="Header"> + <a href="index.html" title="FreeType-2.13.0 API Reference" class="md-header__button md-logo" aria-label="FreeType-2.13.0 API Reference" data-md-component="logo"> + + <img src="images/favico.ico" alt="logo"> + + </a> + <label class="md-header__button md-icon" for="__drawer"> + <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M3 6h18v2H3V6m0 5h18v2H3v-2m0 5h18v2H3v-2z"/></svg> + </label> + <div class="md-header__title" data-md-component="header-title"> + <div class="md-header__ellipsis"> + <div class="md-header__topic"> + <span class="md-ellipsis"> + FreeType-2.13.0 API Reference + </span> + </div> + <div class="md-header__topic" data-md-component="header-topic"> + <span class="md-ellipsis"> + + TrueTypeGX/AAT Validation + + </span> + </div> + </div> + </div> + + + + <label class="md-header__button md-icon" for="__search"> + <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg> + </label> + +<div class="md-search" data-md-component="search" role="dialog"> + <label class="md-search__overlay" for="__search"></label> + <div class="md-search__inner" role="search"> + <form class="md-search__form" name="search"> + <input type="text" class="md-search__input" name="query" aria-label="Search" placeholder="Search" autocapitalize="off" autocorrect="off" autocomplete="off" spellcheck="false" data-md-component="search-query" data-md-state="active" required> + <label class="md-search__icon md-icon" for="__search"> + <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"/></svg> + <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12z"/></svg> + </label> + <button type="reset" class="md-search__icon md-icon" aria-label="Clear" tabindex="-1"> + <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M19 6.41 17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12 19 6.41z"/></svg> + </button> + </form> + <div class="md-search__output"> + <div class="md-search__scrollwrap" data-md-scrollfix> + <div class="md-search-result" data-md-component="search-result"> + <div class="md-search-result__meta"> + Initializing search + </div> + <ol class="md-search-result__list"></ol> + </div> + </div> + </div> + </div> +</div> + + + </nav> +</header> + + <div class="md-container" data-md-component="container"> + + + + + <main class="md-main" data-md-component="main"> + <div class="md-main__inner md-grid"> + + + + <div class="md-sidebar md-sidebar--primary" data-md-component="sidebar" data-md-type="navigation" > + <div class="md-sidebar__scrollwrap"> + <div class="md-sidebar__inner"> + + + +<nav class="md-nav md-nav--primary" aria-label="Navigation" data-md-level="0"> + <label class="md-nav__title" for="__drawer"> + <a href="index.html" title="FreeType-2.13.0 API Reference" class="md-nav__button md-logo" aria-label="FreeType-2.13.0 API Reference" data-md-component="logo"> + + <img src="images/favico.ico" alt="logo"> + + </a> + FreeType-2.13.0 API Reference + </label> + + <ul class="md-nav__list" data-md-scrollfix> + + + + + + + + + <li class="md-nav__item"> + <a href="index.html" class="md-nav__link"> + TOC + </a> + </li> + + + + + + + + + + + <li class="md-nav__item"> + <a href="ft2-index.html" class="md-nav__link"> + Index + </a> + </li> + + + + + + + + + + + + <li class="md-nav__item md-nav__item--nested"> + + + <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_3" type="checkbox" id="__nav_3" > + + <label class="md-nav__link" for="__nav_3"> + General Remarks + <span class="md-nav__icon md-icon"></span> + </label> + <nav class="md-nav" aria-label="General Remarks" data-md-level="1"> + <label class="md-nav__title" for="__nav_3"> + <span class="md-nav__icon md-icon"></span> + General Remarks + </label> + <ul class="md-nav__list" data-md-scrollfix> + + + + + + <li class="md-nav__item"> + <a href="ft2-preamble.html" class="md-nav__link"> + Preamble + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-header_inclusion.html" class="md-nav__link"> + FreeType's header inclusion scheme + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-user_allocation.html" class="md-nav__link"> + User allocation + </a> + </li> + + + + </ul> + </nav> + </li> + + + + + + + + + + + + <li class="md-nav__item md-nav__item--nested"> + + + <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_4" type="checkbox" id="__nav_4" > + + <label class="md-nav__link" for="__nav_4"> + Core API + <span class="md-nav__icon md-icon"></span> + </label> + <nav class="md-nav" aria-label="Core API" data-md-level="1"> + <label class="md-nav__title" for="__nav_4"> + <span class="md-nav__icon md-icon"></span> + Core API + </label> + <ul class="md-nav__list" data-md-scrollfix> + + + + + + <li class="md-nav__item"> + <a href="ft2-version.html" class="md-nav__link"> + FreeType Version + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-basic_types.html" class="md-nav__link"> + Basic Data Types + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-base_interface.html" class="md-nav__link"> + Base Interface + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-glyph_variants.html" class="md-nav__link"> + Unicode Variation Sequences + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-color_management.html" class="md-nav__link"> + Glyph Color Management + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-layer_management.html" class="md-nav__link"> + Glyph Layer Management + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-glyph_management.html" class="md-nav__link"> + Glyph Management + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-mac_specific.html" class="md-nav__link"> + Mac Specific Interface + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-sizes_management.html" class="md-nav__link"> + Size Management + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-header_file_macros.html" class="md-nav__link"> + Header File Macros + </a> + </li> + + + + </ul> + </nav> + </li> + + + + + + + + + + + + <li class="md-nav__item md-nav__item--nested"> + + + <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_5" type="checkbox" id="__nav_5" > + + <label class="md-nav__link" for="__nav_5"> + Format-Specific API + <span class="md-nav__icon md-icon"></span> + </label> + <nav class="md-nav" aria-label="Format-Specific API" data-md-level="1"> + <label class="md-nav__title" for="__nav_5"> + <span class="md-nav__icon md-icon"></span> + Format-Specific API + </label> + <ul class="md-nav__list" data-md-scrollfix> + + + + + + <li class="md-nav__item"> + <a href="ft2-multiple_masters.html" class="md-nav__link"> + Multiple Masters + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-truetype_tables.html" class="md-nav__link"> + TrueType Tables + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-type1_tables.html" class="md-nav__link"> + Type 1 Tables + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-sfnt_names.html" class="md-nav__link"> + SFNT Names + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-bdf_fonts.html" class="md-nav__link"> + BDF and PCF Files + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-cid_fonts.html" class="md-nav__link"> + CID Fonts + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-pfr_fonts.html" class="md-nav__link"> + PFR Fonts + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-winfnt_fonts.html" class="md-nav__link"> + Window FNT Files + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-svg_fonts.html" class="md-nav__link"> + OpenType SVG Fonts + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-font_formats.html" class="md-nav__link"> + Font Formats + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-gasp_table.html" class="md-nav__link"> + Gasp Table + </a> + </li> + + + + </ul> + </nav> + </li> + + + + + + + + + + + + <li class="md-nav__item md-nav__item--nested"> + + + <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_6" type="checkbox" id="__nav_6" > + + <label class="md-nav__link" for="__nav_6"> + Controlling FreeType Modules + <span class="md-nav__icon md-icon"></span> + </label> + <nav class="md-nav" aria-label="Controlling FreeType Modules" data-md-level="1"> + <label class="md-nav__title" for="__nav_6"> + <span class="md-nav__icon md-icon"></span> + Controlling FreeType Modules + </label> + <ul class="md-nav__list" data-md-scrollfix> + + + + + + <li class="md-nav__item"> + <a href="ft2-auto_hinter.html" class="md-nav__link"> + The auto-hinter + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-cff_driver.html" class="md-nav__link"> + The CFF driver + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-t1_cid_driver.html" class="md-nav__link"> + The Type 1 and CID drivers + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-tt_driver.html" class="md-nav__link"> + The TrueType driver + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-pcf_driver.html" class="md-nav__link"> + The PCF driver + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-ot_svg_driver.html" class="md-nav__link"> + The SVG driver + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-properties.html" class="md-nav__link"> + Driver properties + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-parameter_tags.html" class="md-nav__link"> + Parameter Tags + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-lcd_rendering.html" class="md-nav__link"> + Subpixel Rendering + </a> + </li> + + + + </ul> + </nav> + </li> + + + + + + + + + + + + <li class="md-nav__item md-nav__item--nested"> + + + <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_7" type="checkbox" id="__nav_7" > + + <label class="md-nav__link" for="__nav_7"> + Cache Sub-System + <span class="md-nav__icon md-icon"></span> + </label> + <nav class="md-nav" aria-label="Cache Sub-System" data-md-level="1"> + <label class="md-nav__title" for="__nav_7"> + <span class="md-nav__icon md-icon"></span> + Cache Sub-System + </label> + <ul class="md-nav__list" data-md-scrollfix> + + + + + + <li class="md-nav__item"> + <a href="ft2-cache_subsystem.html" class="md-nav__link"> + Cache Sub-System + </a> + </li> + + + + </ul> + </nav> + </li> + + + + + + + + + + + + <li class="md-nav__item md-nav__item--nested"> + + + <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8" type="checkbox" id="__nav_8" > + + <label class="md-nav__link" for="__nav_8"> + Support API + <span class="md-nav__icon md-icon"></span> + </label> + <nav class="md-nav" aria-label="Support API" data-md-level="1"> + <label class="md-nav__title" for="__nav_8"> + <span class="md-nav__icon md-icon"></span> + Support API + </label> + <ul class="md-nav__list" data-md-scrollfix> + + + + + + <li class="md-nav__item"> + <a href="ft2-computations.html" class="md-nav__link"> + Computations + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-list_processing.html" class="md-nav__link"> + List Processing + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-outline_processing.html" class="md-nav__link"> + Outline Processing + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-quick_advance.html" class="md-nav__link"> + Quick retrieval of advance values + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-bitmap_handling.html" class="md-nav__link"> + Bitmap Handling + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-raster.html" class="md-nav__link"> + Scanline Converter + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-glyph_stroker.html" class="md-nav__link"> + Glyph Stroker + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-system_interface.html" class="md-nav__link"> + System Interface + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-module_management.html" class="md-nav__link"> + Module Management + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-gzip.html" class="md-nav__link"> + GZIP Streams + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-lzw.html" class="md-nav__link"> + LZW Streams + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-bzip2.html" class="md-nav__link"> + BZIP2 Streams + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-debugging_apis.html" class="md-nav__link"> + External Debugging APIs + </a> + </li> + + + + </ul> + </nav> + </li> + + + + + + + + + + + + <li class="md-nav__item md-nav__item--nested"> + + + <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_9" type="checkbox" id="__nav_9" > + + <label class="md-nav__link" for="__nav_9"> + Error Codes + <span class="md-nav__icon md-icon"></span> + </label> + <nav class="md-nav" aria-label="Error Codes" data-md-level="1"> + <label class="md-nav__title" for="__nav_9"> + <span class="md-nav__icon md-icon"></span> + Error Codes + </label> + <ul class="md-nav__list" data-md-scrollfix> + + + + + + <li class="md-nav__item"> + <a href="ft2-error_enumerations.html" class="md-nav__link"> + Error Enumerations + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-error_code_values.html" class="md-nav__link"> + Error Code Values + </a> + </li> + + + + </ul> + </nav> + </li> + + + + + + + + + + + + + + <li class="md-nav__item md-nav__item--active md-nav__item--nested"> + + + <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_10" type="checkbox" id="__nav_10" checked> + + <label class="md-nav__link" for="__nav_10"> + Miscellaneous + <span class="md-nav__icon md-icon"></span> + </label> + <nav class="md-nav" aria-label="Miscellaneous" data-md-level="1"> + <label class="md-nav__title" for="__nav_10"> + <span class="md-nav__icon md-icon"></span> + Miscellaneous + </label> + <ul class="md-nav__list" data-md-scrollfix> + + + + + + + + <li class="md-nav__item md-nav__item--active"> + + <input class="md-nav__toggle md-toggle" data-md-toggle="toc" type="checkbox" id="__toc"> + + + + + + <label class="md-nav__link md-nav__link--active" for="__toc"> + TrueTypeGX/AAT Validation + <span class="md-nav__icon md-icon"></span> + </label> + + <a href="ft2-gx_validation.html" class="md-nav__link md-nav__link--active"> + TrueTypeGX/AAT Validation + </a> + + +<nav class="md-nav md-nav--secondary" aria-label="Table of contents"> + + + + + + + <label class="md-nav__title" for="__toc"> + <span class="md-nav__icon md-icon"></span> + Table of contents + </label> + <ul class="md-nav__list" data-md-component="toc" data-md-scrollfix> + + <li class="md-nav__item"> + <a href="#synopsis" class="md-nav__link"> + Synopsis + </a> + +</li> + + <li class="md-nav__item"> + <a href="#ft_truetypegx_validate" class="md-nav__link"> + FT_TrueTypeGX_Validate + </a> + +</li> + + <li class="md-nav__item"> + <a href="#ft_truetypegx_free" class="md-nav__link"> + FT_TrueTypeGX_Free + </a> + +</li> + + <li class="md-nav__item"> + <a href="#ft_classickern_validate" class="md-nav__link"> + FT_ClassicKern_Validate + </a> + +</li> + + <li class="md-nav__item"> + <a href="#ft_classickern_free" class="md-nav__link"> + FT_ClassicKern_Free + </a> + +</li> + + <li class="md-nav__item"> + <a href="#ft_validate_gx_length" class="md-nav__link"> + FT_VALIDATE_GX_LENGTH + </a> + +</li> + + <li class="md-nav__item"> + <a href="#ft_validate_gxxxx" class="md-nav__link"> + FT_VALIDATE_GXXXX + </a> + +</li> + + <li class="md-nav__item"> + <a href="#ft_validate_ckernxxx" class="md-nav__link"> + FT_VALIDATE_CKERNXXX + </a> + +</li> + + </ul> + +</nav> + + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-incremental.html" class="md-nav__link"> + Incremental Loading + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-truetype_engine.html" class="md-nav__link"> + The TrueType Engine + </a> + </li> + + + + + + + + <li class="md-nav__item"> + <a href="ft2-ot_validation.html" class="md-nav__link"> + OpenType Validation + </a> + </li> + + + + </ul> + </nav> + </li> + + + + </ul> +</nav> + </div> + </div> + </div> + + + + <div class="md-sidebar md-sidebar--secondary" data-md-component="sidebar" data-md-type="toc" > + <div class="md-sidebar__scrollwrap"> + <div class="md-sidebar__inner"> + +<nav class="md-nav md-nav--secondary" aria-label="Table of contents"> + + + + + + + <label class="md-nav__title" for="__toc"> + <span class="md-nav__icon md-icon"></span> + Table of contents + </label> + <ul class="md-nav__list" data-md-component="toc" data-md-scrollfix> + + <li class="md-nav__item"> + <a href="#synopsis" class="md-nav__link"> + Synopsis + </a> + +</li> + + <li class="md-nav__item"> + <a href="#ft_truetypegx_validate" class="md-nav__link"> + FT_TrueTypeGX_Validate + </a> + +</li> + + <li class="md-nav__item"> + <a href="#ft_truetypegx_free" class="md-nav__link"> + FT_TrueTypeGX_Free + </a> + +</li> + + <li class="md-nav__item"> + <a href="#ft_classickern_validate" class="md-nav__link"> + FT_ClassicKern_Validate + </a> + +</li> + + <li class="md-nav__item"> + <a href="#ft_classickern_free" class="md-nav__link"> + FT_ClassicKern_Free + </a> + +</li> + + <li class="md-nav__item"> + <a href="#ft_validate_gx_length" class="md-nav__link"> + FT_VALIDATE_GX_LENGTH + </a> + +</li> + + <li class="md-nav__item"> + <a href="#ft_validate_gxxxx" class="md-nav__link"> + FT_VALIDATE_GXXXX + </a> + +</li> + + <li class="md-nav__item"> + <a href="#ft_validate_ckernxxx" class="md-nav__link"> + FT_VALIDATE_CKERNXXX + </a> + +</li> + + </ul> + +</nav> + </div> + </div> + </div> + + + <div class="md-content" data-md-component="content"> + <article class="md-content__inner md-typeset"> + + + + <p><a href="https://www.freetype.org">FreeType</a> » <a href="../">Docs</a> » <a href="index.html#miscellaneous">Miscellaneous</a> » TrueTypeGX/AAT Validation</p> +<hr /> +<h1 id="truetypegxaat-validation">TrueTypeGX/AAT Validation<a class="headerlink" href="#truetypegxaat-validation" title="Permanent link">¶</a></h1> +<h2 id="synopsis">Synopsis<a class="headerlink" href="#synopsis" title="Permanent link">¶</a></h2> +<p>This section contains the declaration of functions to validate some TrueTypeGX tables (feat, mort, morx, bsln, just, kern, opbd, trak, prop, lcar).</p> +<h2 id="ft_truetypegx_validate">FT_TrueTypeGX_Validate<a class="headerlink" href="#ft_truetypegx_validate" title="Permanent link">¶</a></h2> +<p>Defined in FT_GX_VALIDATE_H (freetype/ftgxval.h).</p> +<div class = "codehilite"><pre><code> FT_EXPORT( <a href="ft2-basic_types.html#ft_error">FT_Error</a> ) + <b>FT_TrueTypeGX_Validate</b>( <a href="ft2-base_interface.html#ft_face">FT_Face</a> face, + <a href="ft2-basic_types.html#ft_uint">FT_UInt</a> validation_flags, + <a href="ft2-basic_types.html#ft_bytes">FT_Bytes</a> tables[<a href="ft2-gx_validation.html#ft_validate_gx_length">FT_VALIDATE_GX_LENGTH</a>], + <a href="ft2-basic_types.html#ft_uint">FT_UInt</a> table_length ); +</code></pre></div> + +<p>Validate various TrueTypeGX tables to assure that all offsets and indices are valid. The idea is that a higher-level library that actually does the text layout can access those tables without error checking (which can be quite time consuming).</p> +<h4>input</h4> +<table class="fields"> +<tr><td class="val" id="face">face</td><td class="desc"> +<p>A handle to the input face.</p> +</td></tr> +<tr><td class="val" id="validation_flags">validation_flags</td><td class="desc"> +<p>A bit field that specifies the tables to be validated. See <code><a href="ft2-gx_validation.html#ft_validate_gxxxx">FT_VALIDATE_GXXXX</a></code> for possible values.</p> +</td></tr> +<tr><td class="val" id="table_length">table_length</td><td class="desc"> +<p>The size of the <code>tables</code> array. Normally, <code><a href="ft2-gx_validation.html#ft_validate_gx_length">FT_VALIDATE_GX_LENGTH</a></code> should be passed.</p> +</td></tr> +</table> + +<h4>output</h4> +<table class="fields"> +<tr><td class="val" id="tables">tables</td><td class="desc"> +<p>The array where all validated sfnt tables are stored. The array itself must be allocated by a client.</p> +</td></tr> +</table> + +<h4>return</h4> + +<p>FreeType error code. 0 means success.</p> +<h4>note</h4> + +<p>This function only works with TrueTypeGX fonts, returning an error otherwise.</p> +<p>After use, the application should deallocate the buffers pointed to by each <code>tables</code> element, by calling <code><a href="ft2-gx_validation.html#ft_truetypegx_free">FT_TrueTypeGX_Free</a></code>. A <code>NULL</code> value indicates that the table either doesn't exist in the font, the application hasn't asked for validation, or the validator doesn't have the ability to validate the sfnt table.</p> +<hr> + +<h2 id="ft_truetypegx_free">FT_TrueTypeGX_Free<a class="headerlink" href="#ft_truetypegx_free" title="Permanent link">¶</a></h2> +<p>Defined in FT_GX_VALIDATE_H (freetype/ftgxval.h).</p> +<div class = "codehilite"><pre><code> FT_EXPORT( <span class="keyword">void</span> ) + <b>FT_TrueTypeGX_Free</b>( <a href="ft2-base_interface.html#ft_face">FT_Face</a> face, + <a href="ft2-basic_types.html#ft_bytes">FT_Bytes</a> table ); +</code></pre></div> + +<p>Free the buffer allocated by TrueTypeGX validator.</p> +<h4>input</h4> +<table class="fields"> +<tr><td class="val" id="face">face</td><td class="desc"> +<p>A handle to the input face.</p> +</td></tr> +<tr><td class="val" id="table">table</td><td class="desc"> +<p>The pointer to the buffer allocated by <code><a href="ft2-gx_validation.html#ft_truetypegx_validate">FT_TrueTypeGX_Validate</a></code>.</p> +</td></tr> +</table> + +<h4>note</h4> + +<p>This function must be used to free the buffer allocated by <code><a href="ft2-gx_validation.html#ft_truetypegx_validate">FT_TrueTypeGX_Validate</a></code> only.</p> +<hr> + +<h2 id="ft_classickern_validate">FT_ClassicKern_Validate<a class="headerlink" href="#ft_classickern_validate" title="Permanent link">¶</a></h2> +<p>Defined in FT_GX_VALIDATE_H (freetype/ftgxval.h).</p> +<div class = "codehilite"><pre><code> FT_EXPORT( <a href="ft2-basic_types.html#ft_error">FT_Error</a> ) + <b>FT_ClassicKern_Validate</b>( <a href="ft2-base_interface.html#ft_face">FT_Face</a> face, + <a href="ft2-basic_types.html#ft_uint">FT_UInt</a> validation_flags, + <a href="ft2-basic_types.html#ft_bytes">FT_Bytes</a> *ckern_table ); +</code></pre></div> + +<p>Validate classic (16-bit format) kern table to assure that the offsets and indices are valid. The idea is that a higher-level library that actually does the text layout can access those tables without error checking (which can be quite time consuming).</p> +<p>The ‘kern’ table validator in <code><a href="ft2-gx_validation.html#ft_truetypegx_validate">FT_TrueTypeGX_Validate</a></code> deals with both the new 32-bit format and the classic 16-bit format, while FT_ClassicKern_Validate only supports the classic 16-bit format.</p> +<h4>input</h4> +<table class="fields"> +<tr><td class="val" id="face">face</td><td class="desc"> +<p>A handle to the input face.</p> +</td></tr> +<tr><td class="val" id="validation_flags">validation_flags</td><td class="desc"> +<p>A bit field that specifies the dialect to be validated. See <code><a href="ft2-gx_validation.html#ft_validate_ckernxxx">FT_VALIDATE_CKERNXXX</a></code> for possible values.</p> +</td></tr> +</table> + +<h4>output</h4> +<table class="fields"> +<tr><td class="val" id="ckern_table">ckern_table</td><td class="desc"> +<p>A pointer to the kern table.</p> +</td></tr> +</table> + +<h4>return</h4> + +<p>FreeType error code. 0 means success.</p> +<h4>note</h4> + +<p>After use, the application should deallocate the buffers pointed to by <code>ckern_table</code>, by calling <code><a href="ft2-gx_validation.html#ft_classickern_free">FT_ClassicKern_Free</a></code>. A <code>NULL</code> value indicates that the table doesn't exist in the font.</p> +<hr> + +<h2 id="ft_classickern_free">FT_ClassicKern_Free<a class="headerlink" href="#ft_classickern_free" title="Permanent link">¶</a></h2> +<p>Defined in FT_GX_VALIDATE_H (freetype/ftgxval.h).</p> +<div class = "codehilite"><pre><code> FT_EXPORT( <span class="keyword">void</span> ) + <b>FT_ClassicKern_Free</b>( <a href="ft2-base_interface.html#ft_face">FT_Face</a> face, + <a href="ft2-basic_types.html#ft_bytes">FT_Bytes</a> table ); +</code></pre></div> + +<p>Free the buffer allocated by classic Kern validator.</p> +<h4>input</h4> +<table class="fields"> +<tr><td class="val" id="face">face</td><td class="desc"> +<p>A handle to the input face.</p> +</td></tr> +<tr><td class="val" id="table">table</td><td class="desc"> +<p>The pointer to the buffer that is allocated by <code><a href="ft2-gx_validation.html#ft_classickern_validate">FT_ClassicKern_Validate</a></code>.</p> +</td></tr> +</table> + +<h4>note</h4> + +<p>This function must be used to free the buffer allocated by <code><a href="ft2-gx_validation.html#ft_classickern_validate">FT_ClassicKern_Validate</a></code> only.</p> +<hr> + +<h2 id="ft_validate_gx_length">FT_VALIDATE_GX_LENGTH<a class="headerlink" href="#ft_validate_gx_length" title="Permanent link">¶</a></h2> +<p>Defined in FT_GX_VALIDATE_H (freetype/ftgxval.h).</p> +<div class = "codehilite"><pre><code>#<span class="keyword">define</span> <b>FT_VALIDATE_GX_LENGTH</b> ( FT_VALIDATE_GX_LAST_INDEX + 1 ) +</code></pre></div> + +<p>The number of tables checked in this module. Use it as a parameter for the <code>table-length</code> argument of function <code><a href="ft2-gx_validation.html#ft_truetypegx_validate">FT_TrueTypeGX_Validate</a></code>.</p> +<hr> + +<h2 id="ft_validate_gxxxx">FT_VALIDATE_GXXXX<a class="headerlink" href="#ft_validate_gxxxx" title="Permanent link">¶</a></h2> +<p>Defined in FT_GX_VALIDATE_H (freetype/ftgxval.h).</p> +<div class = "codehilite"><pre><code>#<span class="keyword">define</span> <a href="ft2-gx_validation.html#ft_validate_feat">FT_VALIDATE_feat</a> FT_VALIDATE_GX_BITFIELD( feat ) +#<span class="keyword">define</span> <a href="ft2-gx_validation.html#ft_validate_mort">FT_VALIDATE_mort</a> FT_VALIDATE_GX_BITFIELD( mort ) +#<span class="keyword">define</span> <a href="ft2-gx_validation.html#ft_validate_morx">FT_VALIDATE_morx</a> FT_VALIDATE_GX_BITFIELD( morx ) +#<span class="keyword">define</span> <a href="ft2-gx_validation.html#ft_validate_bsln">FT_VALIDATE_bsln</a> FT_VALIDATE_GX_BITFIELD( bsln ) +#<span class="keyword">define</span> <a href="ft2-gx_validation.html#ft_validate_just">FT_VALIDATE_just</a> FT_VALIDATE_GX_BITFIELD( just ) +#<span class="keyword">define</span> <a href="ft2-gx_validation.html#ft_validate_kern">FT_VALIDATE_kern</a> FT_VALIDATE_GX_BITFIELD( kern ) +#<span class="keyword">define</span> <a href="ft2-gx_validation.html#ft_validate_opbd">FT_VALIDATE_opbd</a> FT_VALIDATE_GX_BITFIELD( opbd ) +#<span class="keyword">define</span> <a href="ft2-gx_validation.html#ft_validate_trak">FT_VALIDATE_trak</a> FT_VALIDATE_GX_BITFIELD( trak ) +#<span class="keyword">define</span> <a href="ft2-gx_validation.html#ft_validate_prop">FT_VALIDATE_prop</a> FT_VALIDATE_GX_BITFIELD( prop ) +#<span class="keyword">define</span> <a href="ft2-gx_validation.html#ft_validate_lcar">FT_VALIDATE_lcar</a> FT_VALIDATE_GX_BITFIELD( lcar ) + +#<span class="keyword">define</span> <a href="ft2-gx_validation.html#ft_validate_gx">FT_VALIDATE_GX</a> ( <a href="ft2-gx_validation.html#ft_validate_feat">FT_VALIDATE_feat</a> | \ + <a href="ft2-gx_validation.html#ft_validate_mort">FT_VALIDATE_mort</a> | \ + <a href="ft2-gx_validation.html#ft_validate_morx">FT_VALIDATE_morx</a> | \ + <a href="ft2-gx_validation.html#ft_validate_bsln">FT_VALIDATE_bsln</a> | \ + <a href="ft2-gx_validation.html#ft_validate_just">FT_VALIDATE_just</a> | \ + <a href="ft2-gx_validation.html#ft_validate_kern">FT_VALIDATE_kern</a> | \ + <a href="ft2-gx_validation.html#ft_validate_opbd">FT_VALIDATE_opbd</a> | \ + <a href="ft2-gx_validation.html#ft_validate_trak">FT_VALIDATE_trak</a> | \ + <a href="ft2-gx_validation.html#ft_validate_prop">FT_VALIDATE_prop</a> | \ + <a href="ft2-gx_validation.html#ft_validate_lcar">FT_VALIDATE_lcar</a> ) +</code></pre></div> + +<p>A list of bit-field constants used with <code><a href="ft2-gx_validation.html#ft_truetypegx_validate">FT_TrueTypeGX_Validate</a></code> to indicate which TrueTypeGX/AAT Type tables should be validated.</p> +<h4>values</h4> +<table class="fields"> +<tr><td class="val" id="ft_validate_feat">FT_VALIDATE_feat</td><td class="desc"> +<p>Validate ‘feat’ table.</p> +</td></tr> +<tr><td class="val" id="ft_validate_mort">FT_VALIDATE_mort</td><td class="desc"> +<p>Validate ‘mort’ table.</p> +</td></tr> +<tr><td class="val" id="ft_validate_morx">FT_VALIDATE_morx</td><td class="desc"> +<p>Validate ‘morx’ table.</p> +</td></tr> +<tr><td class="val" id="ft_validate_bsln">FT_VALIDATE_bsln</td><td class="desc"> +<p>Validate ‘bsln’ table.</p> +</td></tr> +<tr><td class="val" id="ft_validate_just">FT_VALIDATE_just</td><td class="desc"> +<p>Validate ‘just’ table.</p> +</td></tr> +<tr><td class="val" id="ft_validate_kern">FT_VALIDATE_kern</td><td class="desc"> +<p>Validate ‘kern’ table.</p> +</td></tr> +<tr><td class="val" id="ft_validate_opbd">FT_VALIDATE_opbd</td><td class="desc"> +<p>Validate ‘opbd’ table.</p> +</td></tr> +<tr><td class="val" id="ft_validate_trak">FT_VALIDATE_trak</td><td class="desc"> +<p>Validate ‘trak’ table.</p> +</td></tr> +<tr><td class="val" id="ft_validate_prop">FT_VALIDATE_prop</td><td class="desc"> +<p>Validate ‘prop’ table.</p> +</td></tr> +<tr><td class="val" id="ft_validate_lcar">FT_VALIDATE_lcar</td><td class="desc"> +<p>Validate ‘lcar’ table.</p> +</td></tr> +<tr><td class="val" id="ft_validate_gx">FT_VALIDATE_GX</td><td class="desc"> +<p>Validate all TrueTypeGX tables (feat, mort, morx, bsln, just, kern, opbd, trak, prop and lcar).</p> +</td></tr> +</table> + +<hr> + +<h2 id="ft_validate_ckernxxx">FT_VALIDATE_CKERNXXX<a class="headerlink" href="#ft_validate_ckernxxx" title="Permanent link">¶</a></h2> +<p>Defined in FT_GX_VALIDATE_H (freetype/ftgxval.h).</p> +<div class = "codehilite"><pre><code>#<span class="keyword">define</span> <a href="ft2-gx_validation.html#ft_validate_ms">FT_VALIDATE_MS</a> ( FT_VALIDATE_GX_START << 0 ) +#<span class="keyword">define</span> <a href="ft2-gx_validation.html#ft_validate_apple">FT_VALIDATE_APPLE</a> ( FT_VALIDATE_GX_START << 1 ) + +#<span class="keyword">define</span> <a href="ft2-gx_validation.html#ft_validate_ckern">FT_VALIDATE_CKERN</a> ( <a href="ft2-gx_validation.html#ft_validate_ms">FT_VALIDATE_MS</a> | <a href="ft2-gx_validation.html#ft_validate_apple">FT_VALIDATE_APPLE</a> ) +</code></pre></div> + +<p>A list of bit-field constants used with <code><a href="ft2-gx_validation.html#ft_classickern_validate">FT_ClassicKern_Validate</a></code> to indicate the classic kern dialect or dialects. If the selected type doesn't fit, <code><a href="ft2-gx_validation.html#ft_classickern_validate">FT_ClassicKern_Validate</a></code> regards the table as invalid.</p> +<h4>values</h4> +<table class="fields"> +<tr><td class="val" id="ft_validate_ms">FT_VALIDATE_MS</td><td class="desc"> +<p>Handle the ‘kern’ table as a classic Microsoft kern table.</p> +</td></tr> +<tr><td class="val" id="ft_validate_apple">FT_VALIDATE_APPLE</td><td class="desc"> +<p>Handle the ‘kern’ table as a classic Apple kern table.</p> +</td></tr> +<tr><td class="val" id="ft_validate_ckern">FT_VALIDATE_CKERN</td><td class="desc"> +<p>Handle the ‘kern’ as either classic Apple or Microsoft kern table.</p> +</td></tr> +</table> + +<hr> + + + + + + + + </article> + </div> + </div> + + </main> + + +<footer class="md-footer"> + + <nav class="md-footer__inner md-grid" aria-label="Footer"> + + + <a href="ft2-error_code_values.html" class="md-footer__link md-footer__link--prev" aria-label="Previous: Error Code Values" rel="prev"> + <div class="md-footer__button md-icon"> + <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12z"/></svg> + </div> + <div class="md-footer__title"> + <div class="md-ellipsis"> + <span class="md-footer__direction"> + Previous + </span> + Error Code Values + </div> + </div> + </a> + + + + <a href="ft2-incremental.html" class="md-footer__link md-footer__link--next" aria-label="Next: Incremental Loading" rel="next"> + <div class="md-footer__title"> + <div class="md-ellipsis"> + <span class="md-footer__direction"> + Next + </span> + Incremental Loading + </div> + </div> + <div class="md-footer__button md-icon"> + <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11H4z"/></svg> + </div> + </a> + + </nav> + + <div class="md-footer-meta md-typeset"> + <div class="md-footer-meta__inner md-grid"> + <div class="md-footer-copyright"> + + <div class="md-footer-copyright__highlight"> + Copyright 2023 <a href = "https://www.freetype.org/license.html">The FreeType Project</a>. + </div> + + Made with + <a href="https://squidfunk.github.io/mkdocs-material/" target="_blank" rel="noopener"> + Material for MkDocs + </a> + + </div> + + </div> + </div> +</footer> + + </div> + <div class="md-dialog" data-md-component="dialog"> + <div class="md-dialog__inner md-typeset"></div> + </div> + <script id="__config" type="application/json">{"base": ".", "features": [], "translations": {"clipboard.copy": "Copy to clipboard", "clipboard.copied": "Copied to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.placeholder": "Type to start searching", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.term.missing": "Missing", "select.version.title": "Select version"}, "search": "assets/javascripts/workers/search.477d984a.min.js", "version": null}</script> + + + <script src="assets/javascripts/bundle.82b56eb2.min.js"></script> + + <script src="javascripts/extra.js"></script> + + + </body> +</html>
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