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Error Code Values </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--active md-nav__item--nested"> <input class="md-toggle md-nav__toggle" data-md-toggle="nav-10" type="checkbox" id="nav-10" checked> <label class="md-nav__link" for="nav-10"> Miscellaneous </label> <nav class="md-nav" data-md-component="collapsible" data-md-level="1"> <label class="md-nav__title" for="nav-10"> Miscellaneous </label> <ul class="md-nav__list" data-md-scrollfix> <li class="md-nav__item"> <a href="ft2-gx_validation.html" title="TrueTypeGX/AAT Validation" class="md-nav__link"> TrueTypeGX/AAT Validation </a> </li> <li class="md-nav__item"> <a href="ft2-incremental.html" title="Incremental Loading" class="md-nav__link"> Incremental Loading </a> </li> <li class="md-nav__item md-nav__item--active"> <input class="md-toggle md-nav__toggle" data-md-toggle="toc" type="checkbox" id="__toc"> <label class="md-nav__link md-nav__link--active" for="__toc"> The TrueType Engine </label> <a 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<label class="md-nav__title" for="__toc">Table of contents</label> <ul class="md-nav__list" 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_truetypeenginetype" class="md-nav__link"> FT_TrueTypeEngineType </a> </li> <li class="md-nav__item"> <a href="#ft_get_truetype_engine_type" class="md-nav__link"> FT_Get_TrueType_Engine_Type </a> </li> </ul> </nav> </div> </div> </div> <div class="md-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> » The TrueType Engine</p> <hr /> <h1 id="the-truetype-engine">The TrueType Engine<a class="headerlink" href="#the-truetype-engine" title="Permanent link">¶</a></h1> <h2 id="synopsis">Synopsis<a class="headerlink" href="#synopsis" title="Permanent link">¶</a></h2> <p>This section contains a function used to query the level of TrueType bytecode support compiled in this version of the library.</p> <h2 id="ft_truetypeenginetype">FT_TrueTypeEngineType<a class="headerlink" href="#ft_truetypeenginetype" title="Permanent link">¶</a></h2> <p>Defined in FT_MODULE_H (freetype/ftmodapi.h).</p> <div class = "codehilite"><pre><code> <span class="keyword">typedef</span> <span class="keyword">enum</span> FT_TrueTypeEngineType_ { <a href="ft2-truetype_engine.html#ft_truetype_engine_type_none">FT_TRUETYPE_ENGINE_TYPE_NONE</a> = 0, <a href="ft2-truetype_engine.html#ft_truetype_engine_type_unpatented">FT_TRUETYPE_ENGINE_TYPE_UNPATENTED</a>, <a href="ft2-truetype_engine.html#ft_truetype_engine_type_patented">FT_TRUETYPE_ENGINE_TYPE_PATENTED</a> } <b>FT_TrueTypeEngineType</b>; </code></pre></div> <p>A list of values describing which kind of TrueType bytecode engine is implemented in a given FT_Library instance. It is used by the <code><a href="ft2-truetype_engine.html#ft_get_truetype_engine_type">FT_Get_TrueType_Engine_Type</a></code> function.</p> <h4>values</h4> <table class="fields long"> <tr><td class="val" id="ft_truetype_engine_type_none">FT_TRUETYPE_ENGINE_TYPE_NONE</td><td class="desc"> <p>The library doesn't implement any kind of bytecode interpreter.</p> </td></tr> <tr><td class="val" id="ft_truetype_engine_type_unpatented">FT_TRUETYPE_ENGINE_TYPE_UNPATENTED</td><td class="desc"> <p>Deprecated and removed.</p> </td></tr> <tr><td class="val" id="ft_truetype_engine_type_patented">FT_TRUETYPE_ENGINE_TYPE_PATENTED</td><td class="desc"> <p>The library implements a bytecode interpreter that covers the full instruction set of the TrueType virtual machine (this was governed by patents until May 2010, hence the name).</p> </td></tr> </table> <h4>since</h4> <p>2.2</p> <hr> <h2 id="ft_get_truetype_engine_type">FT_Get_TrueType_Engine_Type<a class="headerlink" href="#ft_get_truetype_engine_type" title="Permanent link">¶</a></h2> <p>Defined in FT_MODULE_H (freetype/ftmodapi.h).</p> <div class = "codehilite"><pre><code> FT_EXPORT( <a href="ft2-truetype_engine.html#ft_truetypeenginetype">FT_TrueTypeEngineType</a> ) <b>FT_Get_TrueType_Engine_Type</b>( <a href="ft2-base_interface.html#ft_library">FT_Library</a> library ); </code></pre></div> <p>Return an <code><a href="ft2-truetype_engine.html#ft_truetypeenginetype">FT_TrueTypeEngineType</a></code> value to indicate which level of the TrueType virtual machine a given library instance supports.</p> <h4>input</h4> <table class="fields"> <tr><td class="val" id="library">library</td><td class="desc"> <p>A library instance.</p> </td></tr> </table> <h4>return</h4> <p>A value indicating which level is supported.</p> <h4>since</h4> <p>2.2</p> <hr> </article> </div> </div> </main> <footer class="md-footer"> <div class="md-footer-nav"> <nav class="md-footer-nav__inner md-grid"> <a href="ft2-incremental.html" title="Incremental Loading" class="md-flex md-footer-nav__link md-footer-nav__link--prev" rel="prev"> <div class="md-flex__cell md-flex__cell--shrink"> <i class="md-icon md-icon--arrow-back md-footer-nav__button"></i> </div> <div class="md-flex__cell md-flex__cell--stretch md-footer-nav__title"> <span class="md-flex__ellipsis"> <span class="md-footer-nav__direction"> Previous </span> Incremental Loading </span> </div> </a> <a href="ft2-ot_validation.html" title="OpenType Validation" class="md-flex md-footer-nav__link md-footer-nav__link--next" rel="next"> <div class="md-flex__cell md-flex__cell--stretch md-footer-nav__title"> <span class="md-flex__ellipsis"> <span class="md-footer-nav__direction"> Next </span> OpenType Validation </span> </div> <div class="md-flex__cell md-flex__cell--shrink"> <i class="md-icon md-icon--arrow-forward md-footer-nav__button"></i> </div> </a> </nav> </div> <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 2020 <a href = "https://www.freetype.org/license.html">The FreeType Project</a>. </div> powered by <a href="https://www.mkdocs.org" target="_blank" rel="noopener">MkDocs</a> and <a href="https://squidfunk.github.io/mkdocs-material/" target="_blank" rel="noopener"> Material for MkDocs</a> </div> </div> </div> </footer> </div> <script src="assets/javascripts/application.c33a9706.js"></script> <script>app.initialize({version:"1.1",url:{base:"."}})</script> <script src="javascripts/extra.js"></script> </body> </html>