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<a href="ft2-glyph_retrieval.html" class="md-nav__link">
Glyph Retrieval
</a>
</li>
<li class="md-nav__item">
<a href="ft2-character_mapping.html" class="md-nav__link">
Character Mapping
</a>
</li>
<li class="md-nav__item">
<a href="ft2-information_retrieval.html" class="md-nav__link">
Information Retrieval
</a>
</li>
<li class="md-nav__item">
<a href="ft2-other_api_data.html" class="md-nav__link">
Other API Data
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<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_5" type="checkbox" id="__nav_5" >
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Extended API
<span class="md-nav__icon md-icon"></span>
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<nav class="md-nav" aria-label="Extended API" data-md-level="1">
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<span class="md-nav__icon md-icon"></span>
Extended API
</label>
<ul class="md-nav__list" data-md-scrollfix>
<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>
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<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">
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_6">
<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>
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<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_7" type="checkbox" id="__nav_7" >
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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_7">
<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>
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<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_8" type="checkbox" id="__nav_8" >
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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">
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<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
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</li>
</ul>
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<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">
Support API
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" aria-label="Support API" data-md-level="1">
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<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>
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<a href="ft2-debugging_apis.html" class="md-nav__link">
External Debugging APIs
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Error Codes
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<nav class="md-nav" aria-label="Error Codes" data-md-level="1">
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Error Codes
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<a href="ft2-error_enumerations.html" class="md-nav__link">
Error Enumerations
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Error Code Values
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Miscellaneous
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Miscellaneous
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<a href="ft2-gx_validation.html" class="md-nav__link">
TrueTypeGX/AAT Validation
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<a href="ft2-incremental.html" class="md-nav__link">
Incremental Loading
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<a href="ft2-truetype_engine.html" class="md-nav__link">
The TrueType Engine
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OpenType Validation
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<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> » Table of Contents</p>
<hr />
<h1 id="freetype-2132-api-reference">FreeType-2.13.2 API Reference<a class="headerlink" href="#freetype-2132-api-reference" title="Permanent link">¶</a></h1>
<h1 id="table-of-contents">Table of Contents<a class="headerlink" href="#table-of-contents" title="Permanent link">¶</a></h1>
<h2 id="general-remarks">General Remarks<a class="headerlink" href="#general-remarks" title="Permanent link">¶</a></h2>
<table class="toc">
<tr><td class="link"><a href="ft2-preamble.html">Preamble</a></td><td class="desc">
<p>What FreeType is and isn't</p>
</td></tr>
<tr><td class="link"><a href="ft2-header_inclusion.html">FreeType's header inclusion scheme</a></td><td class="desc">
<p>How client applications should include FreeType header files.</p>
</td></tr>
<tr><td class="link"><a href="ft2-user_allocation.html">User allocation</a></td><td class="desc">
<p>How client applications should allocate FreeType data structures.</p>
</td></tr>
</table>
<h2 id="core-api">Core API<a class="headerlink" href="#core-api" title="Permanent link">¶</a></h2>
<table class="toc">
<tr><td class="link"><a href="ft2-basic_types.html">Basic Data Types</a></td><td class="desc">
<p>The basic data types defined by the library.</p>
</td></tr>
<tr><td class="link"><a href="ft2-library_setup.html">Library Setup</a></td><td class="desc">
<p>Functions to start and end the usage of the FreeType library.</p>
</td></tr>
<tr><td class="link"><a href="ft2-face_creation.html">Face Creation</a></td><td class="desc">
<p>Functions to manage fonts.</p>
</td></tr>
<tr><td class="link"><a href="ft2-font_testing_macros.html">Font Testing Macros</a></td><td class="desc">
<p>Macros to test various properties of fonts.</p>
</td></tr>
<tr><td class="link"><a href="ft2-sizing_and_scaling.html">Sizing and Scaling</a></td><td class="desc">
<p>Functions to manage font sizes.</p>
</td></tr>
<tr><td class="link"><a href="ft2-glyph_retrieval.html">Glyph Retrieval</a></td><td class="desc">
<p>Functions to manage glyphs.</p>
</td></tr>
<tr><td class="link"><a href="ft2-character_mapping.html">Character Mapping</a></td><td class="desc">
<p>Functions to manage character-to-glyph maps.</p>
</td></tr>
<tr><td class="link"><a href="ft2-information_retrieval.html">Information Retrieval</a></td><td class="desc">
<p>Functions to retrieve font and glyph information.</p>
</td></tr>
<tr><td class="link"><a href="ft2-other_api_data.html">Other API Data</a></td><td class="desc">
<p>Other structures, enumerations, and macros.</p>
</td></tr>
</table>
<h2 id="extended-api">Extended API<a class="headerlink" href="#extended-api" title="Permanent link">¶</a></h2>
<table class="toc">
<tr><td class="link"><a href="ft2-glyph_variants.html">Unicode Variation Sequences</a></td><td class="desc">
<p>The FreeType 2 interface to Unicode Variation Sequences (UVS), using the SFNT cmap format 14.</p>
</td></tr>
<tr><td class="link"><a href="ft2-color_management.html">Glyph Color Management</a></td><td class="desc">
<p>Retrieving and manipulating OpenType's ‘CPAL’ table data.</p>
</td></tr>
<tr><td class="link"><a href="ft2-layer_management.html">Glyph Layer Management</a></td><td class="desc">
<p>Retrieving and manipulating OpenType's ‘COLR’ table data.</p>
</td></tr>
<tr><td class="link"><a href="ft2-glyph_management.html">Glyph Management</a></td><td class="desc">
<p>Generic interface to manage individual glyph data.</p>
</td></tr>
<tr><td class="link"><a href="ft2-mac_specific.html">Mac Specific Interface</a></td><td class="desc">
<p>Only available on the Macintosh.</p>
</td></tr>
<tr><td class="link"><a href="ft2-sizes_management.html">Size Management</a></td><td class="desc">
<p>Managing multiple sizes per face.</p>
</td></tr>
<tr><td class="link"><a href="ft2-header_file_macros.html">Header File Macros</a></td><td class="desc">
<p>Macro definitions used to <code>#include</code> specific header files.</p>
</td></tr>
</table>
<h2 id="format-specific-api">Format-Specific API<a class="headerlink" href="#format-specific-api" title="Permanent link">¶</a></h2>
<table class="toc">
<tr><td class="link"><a href="ft2-multiple_masters.html">Multiple Masters</a></td><td class="desc">
<p>How to manage Multiple Masters fonts.</p>
</td></tr>
<tr><td class="link"><a href="ft2-truetype_tables.html">TrueType Tables</a></td><td class="desc">
<p>TrueType-specific table types and functions.</p>
</td></tr>
<tr><td class="link"><a href="ft2-type1_tables.html">Type 1 Tables</a></td><td class="desc">
<p>Type 1-specific font tables.</p>
</td></tr>
<tr><td class="link"><a href="ft2-sfnt_names.html">SFNT Names</a></td><td class="desc">
<p>Access the names embedded in TrueType and OpenType files.</p>
</td></tr>
<tr><td class="link"><a href="ft2-bdf_fonts.html">BDF and PCF Files</a></td><td class="desc">
<p>BDF and PCF specific API.</p>
</td></tr>
<tr><td class="link"><a href="ft2-cid_fonts.html">CID Fonts</a></td><td class="desc">
<p>CID-keyed font-specific API.</p>
</td></tr>
<tr><td class="link"><a href="ft2-pfr_fonts.html">PFR Fonts</a></td><td class="desc">
<p>PFR/TrueDoc-specific API.</p>
</td></tr>
<tr><td class="link"><a href="ft2-winfnt_fonts.html">Window FNT Files</a></td><td class="desc">
<p>Windows FNT-specific API.</p>
</td></tr>
<tr><td class="link"><a href="ft2-svg_fonts.html">OpenType SVG Fonts</a></td><td class="desc">
<p>OT-SVG API between FreeType and an external SVG rendering library.</p>
</td></tr>
<tr><td class="link"><a href="ft2-font_formats.html">Font Formats</a></td><td class="desc">
<p>Getting the font format.</p>
</td></tr>
<tr><td class="link"><a href="ft2-gasp_table.html">Gasp Table</a></td><td class="desc">
<p>Retrieving TrueType ‘gasp’ table entries.</p>
</td></tr>
</table>
<h2 id="controlling-freetype-modules">Controlling FreeType Modules<a class="headerlink" href="#controlling-freetype-modules" title="Permanent link">¶</a></h2>
<table class="toc">
<tr><td class="link"><a href="ft2-auto_hinter.html">The auto-hinter</a></td><td class="desc">
<p>Controlling the auto-hinting module.</p>
</td></tr>
<tr><td class="link"><a href="ft2-cff_driver.html">The CFF driver</a></td><td class="desc">
<p>Controlling the CFF driver module.</p>
</td></tr>
<tr><td class="link"><a href="ft2-t1_cid_driver.html">The Type 1 and CID drivers</a></td><td class="desc">
<p>Controlling the Type 1 and CID driver modules.</p>
</td></tr>
<tr><td class="link"><a href="ft2-tt_driver.html">The TrueType driver</a></td><td class="desc">
<p>Controlling the TrueType driver module.</p>
</td></tr>
<tr><td class="link"><a href="ft2-pcf_driver.html">The PCF driver</a></td><td class="desc">
<p>Controlling the PCF driver module.</p>
</td></tr>
<tr><td class="link"><a href="ft2-ot_svg_driver.html">The SVG driver</a></td><td class="desc">
<p>Controlling the external rendering of OT-SVG glyphs.</p>
</td></tr>
<tr><td class="link"><a href="ft2-properties.html">Driver properties</a></td><td class="desc">
<p>Controlling driver modules.</p>
</td></tr>
<tr><td class="link"><a href="ft2-parameter_tags.html">Parameter Tags</a></td><td class="desc">
<p>Macros for driver property and font loading parameter tags.</p>
</td></tr>
<tr><td class="link"><a href="ft2-lcd_rendering.html">Subpixel Rendering</a></td><td class="desc">
<p>API to control subpixel rendering.</p>
</td></tr>
</table>
<h2 id="cache-sub-system">Cache Sub-System<a class="headerlink" href="#cache-sub-system" title="Permanent link">¶</a></h2>
<table class="toc">
<tr><td class="link"><a href="ft2-cache_subsystem.html">Cache Sub-System</a></td><td class="desc">
<p>How to cache face, size, and glyph data with FreeType 2.</p>
</td></tr>
</table>
<h2 id="support-api">Support API<a class="headerlink" href="#support-api" title="Permanent link">¶</a></h2>
<table class="toc">
<tr><td class="link"><a href="ft2-computations.html">Computations</a></td><td class="desc">
<p>Crunching fixed numbers and vectors.</p>
</td></tr>
<tr><td class="link"><a href="ft2-list_processing.html">List Processing</a></td><td class="desc">
<p>Simple management of lists.</p>
</td></tr>
<tr><td class="link"><a href="ft2-outline_processing.html">Outline Processing</a></td><td class="desc">
<p>Functions to create, transform, and render vectorial glyph images.</p>
</td></tr>
<tr><td class="link"><a href="ft2-quick_advance.html">Quick retrieval of advance values</a></td><td class="desc">
<p>Retrieve horizontal and vertical advance values without processing glyph outlines, if possible.</p>
</td></tr>
<tr><td class="link"><a href="ft2-bitmap_handling.html">Bitmap Handling</a></td><td class="desc">
<p>Handling FT_Bitmap objects.</p>
</td></tr>
<tr><td class="link"><a href="ft2-raster.html">Scanline Converter</a></td><td class="desc">
<p>How vectorial outlines are converted into bitmaps and pixmaps.</p>
</td></tr>
<tr><td class="link"><a href="ft2-glyph_stroker.html">Glyph Stroker</a></td><td class="desc">
<p>Generating bordered and stroked glyphs.</p>
</td></tr>
<tr><td class="link"><a href="ft2-system_interface.html">System Interface</a></td><td class="desc">
<p>How FreeType manages memory and i/o.</p>
</td></tr>
<tr><td class="link"><a href="ft2-module_management.html">Module Management</a></td><td class="desc">
<p>How to add, upgrade, remove, and control modules from FreeType.</p>
</td></tr>
<tr><td class="link"><a href="ft2-gzip.html">GZIP Streams</a></td><td class="desc">
<p>Using gzip-compressed font files.</p>
</td></tr>
<tr><td class="link"><a href="ft2-lzw.html">LZW Streams</a></td><td class="desc">
<p>Using LZW-compressed font files.</p>
</td></tr>
<tr><td class="link"><a href="ft2-bzip2.html">BZIP2 Streams</a></td><td class="desc">
<p>Using bzip2-compressed font files.</p>
</td></tr>
<tr><td class="link"><a href="ft2-debugging_apis.html">External Debugging APIs</a></td><td class="desc">
<p>Public APIs to control the <code>FT_DEBUG_LOGGING</code> macro.</p>
</td></tr>
</table>
<h2 id="error-codes">Error Codes<a class="headerlink" href="#error-codes" title="Permanent link">¶</a></h2>
<table class="toc">
<tr><td class="link"><a href="ft2-error_enumerations.html">Error Enumerations</a></td><td class="desc">
<p>How to handle errors and error strings.</p>
</td></tr>
<tr><td class="link"><a href="ft2-error_code_values.html">Error Code Values</a></td><td class="desc">
<p>All possible error codes returned by FreeType functions.</p>
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<h2 id="miscellaneous">Miscellaneous<a class="headerlink" href="#miscellaneous" title="Permanent link">¶</a></h2>
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<tr><td class="link"><a href="ft2-gx_validation.html">TrueTypeGX/AAT Validation</a></td><td class="desc">
<p>An API to validate TrueTypeGX/AAT tables.</p>
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<p>Custom Glyph Loading.</p>
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<p>TrueType bytecode support.</p>
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<p>An API to validate OpenType tables.</p>
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<div class="timestamp">generated on Fri Aug 25 18:54:11 2023 UTC</div>
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