| <!-- |
| Documentation/_templates/layout.html |
| |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. The |
| ASF licenses this file to you under the Apache License, Version 2.0 (the |
| "License"); you may not use this file except in compliance with the |
| License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| License for the specific language governing permissions and limitations |
| under the License. |
| --> |
| |
| |
| |
| <!DOCTYPE html> |
| <html class="writer-html5" lang="en" > |
| <head> |
| <meta charset="utf-8"> |
| |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> |
| |
| <title>NX Fonts Support (NXFONTS) — NuttX latest documentation</title> |
| |
| |
| |
| <link rel="stylesheet" href="../../_static/css/theme.css" type="text/css" /> |
| <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" /> |
| <link rel="stylesheet" href="../../_static/sphinx_tabs/semantic-ui-2.4.1/segment.min.css" type="text/css" /> |
| <link rel="stylesheet" href="../../_static/sphinx_tabs/semantic-ui-2.4.1/menu.min.css" type="text/css" /> |
| <link rel="stylesheet" href="../../_static/sphinx_tabs/semantic-ui-2.4.1/tab.min.css" type="text/css" /> |
| <link rel="stylesheet" href="../../_static/sphinx_tabs/tabs.css" type="text/css" /> |
| <link rel="stylesheet" href="../../_static/custom.css" type="text/css" /> |
| |
| |
| |
| <link rel="shortcut icon" href="../../_static/favicon.ico"/> |
| |
| |
| |
| |
| |
| <!--[if lt IE 9]> |
| <script src="../../_static/js/html5shiv.min.js"></script> |
| <![endif]--> |
| |
| |
| <script type="text/javascript" id="documentation_options" data-url_root="../../" src="../../_static/documentation_options.js"></script> |
| <script src="../../_static/jquery.js"></script> |
| <script src="../../_static/underscore.js"></script> |
| <script src="../../_static/doctools.js"></script> |
| <script src="../../_static/language_data.js"></script> |
| |
| <script type="text/javascript" src="../../_static/js/theme.js"></script> |
| |
| |
| <link rel="index" title="Index" href="../../genindex.html" /> |
| <link rel="search" title="Search" href="../../search.html" /> |
| <link rel="next" title="NX Cursor Support (NXCURSOR)" href="nxcursor.html" /> |
| <link rel="prev" title="NX Tool Kit (NXTK)" href="nxtk.html" /> |
| </head> |
| |
| <body class="wy-body-for-nav"> |
| |
| |
| <div class="wy-grid-for-nav"> |
| |
| <nav data-toggle="wy-nav-shift" class="wy-nav-side"> |
| <div class="wy-side-scroll"> |
| <div class="wy-side-nav-search" > |
| |
| |
| <a href="../../index.html" class="icon icon-home"> NuttX |
| |
| |
| |
| |
| <img src="../../_static/NuttX.png" class="logo" alt="Logo"/> |
| |
| </a> |
| |
| <!-- this version selector is quite ugly, should be probably replaced by something |
| more modern --> |
| |
| <div class="version-selector"> |
| <select> |
| |
| <option value="latest" selected="selected">latest</option> |
| |
| </select> |
| </div> |
| |
| |
| <div role="search"> |
| <form id="rtd-search-form" class="wy-form" action="../../search.html" method="get"> |
| <input type="text" name="q" placeholder="Search docs" /> |
| <input type="hidden" name="check_keywords" value="yes" /> |
| <input type="hidden" name="area" value="default" /> |
| </form> |
| </div> |
| |
| </div> |
| |
| |
| <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation"> |
| |
| |
| |
| |
| |
| |
| <p class="caption"><span class="caption-text">Table of Contents</span></p> |
| <ul class="current"> |
| <li class="toctree-l1"><a class="reference internal" href="../../index.html">Home</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="../../introduction/index.html">Introduction</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="../../introduction/inviolables.html">The Inviolable Principles of NuttX</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="../../quickstart/index.html">Getting Started</a></li> |
| <li class="toctree-l1 current"><a class="reference internal" href="../index.html">OS Components</a><ul class="current"> |
| <li class="toctree-l2"><a class="reference internal" href="../nsh/index.html">NuttShell (NSH)</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../power.html">Power Management</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../socketcan.html">SocketCAN Device Drivers</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../syslog.html">SYSLOG</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../binfmt.html">Binary Loader</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../drivers/index.html">Device Drivers</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../filesystem.html">NuttX File System</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../nxflat.html">NXFLAT</a></li> |
| <li class="toctree-l2 current"><a class="reference internal" href="index.html">NX Graphics Subsystem</a><ul class="current"> |
| <li class="toctree-l3"><a class="reference internal" href="index.html#objectives">Objectives</a></li> |
| <li class="toctree-l3"><a class="reference internal" href="index.html#organization">Organization</a></li> |
| <li class="toctree-l3 current"><a class="reference internal" href="index.html#nx-header-files">NX Header Files</a><ul class="current"> |
| <li class="toctree-l4"><a class="reference internal" href="nxgl.html">NX Graphics Library (<code class="docutils literal notranslate"><span class="pre">NXGL</span></code>)</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="nx.html">NX</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="nxtk.html">NX Tool Kit (<code class="docutils literal notranslate"><span class="pre">NXTK</span></code>)</a></li> |
| <li class="toctree-l4 current"><a class="current reference internal" href="#">NX Fonts Support (<code class="docutils literal notranslate"><span class="pre">NXFONTS</span></code>)</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="nxcursor.html">NX Cursor Support (<code class="docutils literal notranslate"><span class="pre">NXCURSOR</span></code>)</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="sample.html">Sample Code</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="appendix.html">Appendix</a></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| <li class="toctree-l2"><a class="reference internal" href="../nxwidgets.html">NxWidgets</a></li> |
| <li class="toctree-l2"><a class="reference internal" href="../paging.html">On-Demand Paging</a></li> |
| </ul> |
| </li> |
| <li class="toctree-l1"><a class="reference internal" href="../../applications/index.html">Applications</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="../../boards/index.html">Supported Boards</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="../../reference/index.html">API Reference</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="../../guides/index.html">Guides</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="../../releases/index.html">Releases</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="../../contributing/index.html">Contributing</a></li> |
| <li class="toctree-l1"><a class="reference internal" href="../../glossary.html">Glossary</a></li> |
| </ul> |
| |
| |
| |
| </div> |
| |
| </div> |
| </nav> |
| |
| <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"> |
| |
| |
| <nav class="wy-nav-top" aria-label="top navigation"> |
| |
| <i data-toggle="wy-nav-top" class="fa fa-bars"></i> |
| <a href="../../index.html">NuttX</a> |
| |
| </nav> |
| |
| |
| <div class="wy-nav-content"> |
| |
| <div class="rst-content"> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| <div role="navigation" aria-label="breadcrumbs navigation"> |
| |
| <ul class="wy-breadcrumbs"> |
| |
| <li><a href="../../index.html" class="icon icon-home"></a> »</li> |
| |
| <li><a href="../index.html">OS Components</a> »</li> |
| |
| <li><a href="index.html">NX Graphics Subsystem</a> »</li> |
| |
| <li>NX Fonts Support (<code class="docutils literal notranslate"><span class="pre">NXFONTS</span></code>)</li> |
| |
| |
| <li class="wy-breadcrumbs-aside"> |
| |
| |
| <a href="../../_sources/components/nxgraphics/nxfonts.rst.txt" rel="nofollow"> View page source</a> |
| |
| |
| </li> |
| |
| </ul> |
| |
| |
| <hr/> |
| </div> |
| <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article"> |
| <div itemprop="articleBody"> |
| |
| <div class="section" id="nx-fonts-support-nxfonts"> |
| <h1>NX Fonts Support (<code class="docutils literal notranslate"><span class="pre">NXFONTS</span></code>)<a class="headerlink" href="#nx-fonts-support-nxfonts" title="Permalink to this headline">¶</a></h1> |
| <div class="section" id="nxfonts-types"> |
| <h2>NXFONTS types<a class="headerlink" href="#nxfonts-types" title="Permalink to this headline">¶</a></h2> |
| <dl class="c struct"> |
| <dt id="c.nx_fontmetric_s"> |
| <em class="property">struct </em><code class="sig-name descname">nx_fontmetric_s</code><a class="headerlink" href="#c.nx_fontmetric_s" title="Permalink to this definition">¶</a><br /></dt> |
| <dd><p>This structures provides the metrics for one glyph:</p> |
| <div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="k">struct</span> <span class="n">nx_fontmetric_s</span> |
| <span class="p">{</span> |
| <span class="kt">uint32_t</span> <span class="nl">stride</span> <span class="p">:</span> <span class="mi">2</span><span class="p">;</span> <span class="cm">/* Width of one font row in bytes */</span> |
| <span class="kt">uint32_t</span> <span class="nl">width</span> <span class="p">:</span> <span class="mi">6</span><span class="p">;</span> <span class="cm">/* Width of the font in bits */</span> |
| <span class="kt">uint32_t</span> <span class="nl">height</span> <span class="p">:</span> <span class="mi">6</span><span class="p">;</span> <span class="cm">/* Height of the font in rows */</span> |
| <span class="kt">uint32_t</span> <span class="nl">xoffset</span> <span class="p">:</span> <span class="mi">6</span><span class="p">;</span> <span class="cm">/* Top, left-hand corner X-offset in pixels */</span> |
| <span class="kt">uint32_t</span> <span class="nl">yoffset</span> <span class="p">:</span> <span class="mi">6</span><span class="p">;</span> <span class="cm">/* Top, left-hand corner y-offset in pixels */</span> |
| <span class="kt">uint32_t</span> <span class="nl">unused</span> <span class="p">:</span> <span class="mi">6</span><span class="p">;</span> |
| <span class="p">};</span> |
| </pre></div> |
| </div> |
| </dd></dl> |
| |
| <dl class="c struct"> |
| <dt id="c.nx_fontbitmap_s"> |
| <em class="property">struct </em><code class="sig-name descname">nx_fontbitmap_s</code><a class="headerlink" href="#c.nx_fontbitmap_s" title="Permalink to this definition">¶</a><br /></dt> |
| <dd><p>This structure binds the glyph metrics to the glyph bitmap:</p> |
| <div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="k">struct</span> <span class="n">nx_fontbitmap_s</span> |
| <span class="p">{</span> |
| <span class="k">struct</span> <span class="n">nx_fontmetric_s</span> <span class="n">metric</span><span class="p">;</span> <span class="cm">/* Character metrics */</span> |
| <span class="n">FAR</span> <span class="k">const</span> <span class="kt">uint8_t</span> <span class="o">*</span><span class="n">bitmap</span><span class="p">;</span> <span class="cm">/* Pointer to the character bitmap */</span> |
| <span class="p">};</span> |
| </pre></div> |
| </div> |
| </dd></dl> |
| |
| <dl class="c struct"> |
| <dt id="c.nx_fontset_s"> |
| <em class="property">struct </em><code class="sig-name descname">nx_fontset_s</code><a class="headerlink" href="#c.nx_fontset_s" title="Permalink to this definition">¶</a><br /></dt> |
| <dd><p>This structure describes one contiguous grouping of glyphs that can be |
| described by an array starting with encoding <code class="docutils literal notranslate"><span class="pre">first</span></code> and extending |
| through (<code class="docutils literal notranslate"><span class="pre">first</span></code> + <code class="docutils literal notranslate"><span class="pre">nchars</span></code> - 1).</p> |
| <div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="k">struct</span> <span class="n">nx_fontset_s</span> |
| <span class="p">{</span> |
| <span class="kt">uint8_t</span> <span class="n">first</span><span class="p">;</span> <span class="cm">/* First bitmap character code */</span> |
| <span class="kt">uint8_t</span> <span class="n">nchars</span><span class="p">;</span> <span class="cm">/* Number of bitmap character codes */</span> |
| <span class="n">FAR</span> <span class="k">const</span> <span class="k">struct</span> <span class="n">nx_fontbitmap_s</span> <span class="o">*</span><span class="n">bitmap</span><span class="p">;</span> |
| <span class="p">};</span> |
| </pre></div> |
| </div> |
| </dd></dl> |
| |
| <dl class="c struct"> |
| <dt id="c.nx_font_s"> |
| <em class="property">struct </em><code class="sig-name descname">nx_font_s</code><a class="headerlink" href="#c.nx_font_s" title="Permalink to this definition">¶</a><br /></dt> |
| <dd><p>This structure describes the overall fontset.</p> |
| <div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="k">struct</span> <span class="n">nx_font_s</span> |
| <span class="p">{</span> |
| <span class="kt">uint8_t</span> <span class="n">mxheight</span><span class="p">;</span> <span class="cm">/* Max height of one glyph in rows */</span> |
| <span class="kt">uint8_t</span> <span class="n">mxwidth</span><span class="p">;</span> <span class="cm">/* Max width of any glyph in pixels */</span> |
| <span class="kt">uint8_t</span> <span class="n">mxbits</span><span class="p">;</span> <span class="cm">/* Max number of bits per character code */</span> |
| <span class="kt">uint8_t</span> <span class="n">spwidth</span><span class="p">;</span> <span class="cm">/* The width of a space in pixels */</span> |
| <span class="p">};</span> |
| </pre></div> |
| </div> |
| </dd></dl> |
| |
| <dl class="c function"> |
| <dt id="c.nxf_getfonthandle"> |
| <a class="reference internal" href="nx.html#c.NXHANDLE" title="NXHANDLE">NXHANDLE</a> <code class="sig-name descname">nxf_getfonthandle</code><span class="sig-paren">(</span><em class="property">enum</em> nx_fontid_e <em>fontid</em><span class="sig-paren">)</span>;<a class="headerlink" href="#c.nxf_getfonthandle" title="Permalink to this definition">¶</a><br /></dt> |
| <dd><p>Given a numeric font ID, return a handle that may be |
| subsequently be used to access the font data sets.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters</dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>fontid</strong> – Identifies the font set to use</p></li> |
| </ul> |
| </dd> |
| <dt class="field-even">Returns</dt> |
| <dd class="field-even"><p>A handle that may be subsequently be used to access the font data sets.</p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="c function"> |
| <dt id="c.nxf_getfontset"> |
| FAR <em class="property">const</em> <em class="property">struct</em> <a class="reference internal" href="#c.nx_font_s" title="nx_font_s">nx_font_s</a> *<code class="sig-name descname">nxf_getfontset</code><span class="sig-paren">(</span><a class="reference internal" href="nx.html#c.NXHANDLE" title="NXHANDLE">NXHANDLE</a> <em>handle</em><span class="sig-paren">)</span>;<a class="headerlink" href="#c.nxf_getfontset" title="Permalink to this definition">¶</a><br /></dt> |
| <dd><p>Return information about the current font set.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters</dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>handle</strong> – A font handle previously returned by <a class="reference internal" href="#c.nxf_getfonthandle" title="nxf_getfonthandle"><code class="xref c c-func docutils literal notranslate"><span class="pre">nxf_getfonthandle()</span></code></a>.</p></li> |
| </ul> |
| </dd> |
| <dt class="field-even">Returns</dt> |
| <dd class="field-even"><p>An instance of <code class="docutils literal notranslate"><span class="pre">struct</span> <span class="pre">nx_font_s</span></code> describing the font set.</p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="c function"> |
| <dt id="c.nxf_getbitmap"> |
| FAR <em class="property">const</em> <em class="property">struct</em> <a class="reference internal" href="#c.nx_fontbitmap_s" title="nx_fontbitmap_s">nx_fontbitmap_s</a> *<code class="sig-name descname">nxf_getbitmap</code><span class="sig-paren">(</span><a class="reference internal" href="nx.html#c.NXHANDLE" title="NXHANDLE">NXHANDLE</a> <em>handle</em>, uint16_t <em>ch</em><span class="sig-paren">)</span><a class="headerlink" href="#c.nxf_getbitmap" title="Permalink to this definition">¶</a><br /></dt> |
| <dd><p>Return font bitmap information for the selected |
| character encoding.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters</dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>ch</strong> – The char code for the requested bitmap.</p></li> |
| <li><p><strong>handle</strong> – A font handle previously returned by <a class="reference internal" href="#c.nxf_getfonthandle" title="nxf_getfonthandle"><code class="xref c c-func docutils literal notranslate"><span class="pre">nxf_getfonthandle()</span></code></a>.</p></li> |
| </ul> |
| </dd> |
| <dt class="field-even">Returns</dt> |
| <dd class="field-even"><p>An instance of <a class="reference internal" href="#c.nx_fontbitmap_s" title="nx_fontbitmap_s"><code class="xref c c-struct docutils literal notranslate"><span class="pre">nx_fontbitmap_s</span></code></a> describing the glyph.</p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| <dl class="c function"> |
| <dt id="c.nxf_convert_2bpp"> |
| int <code class="sig-name descname">nxf_convert_2bpp</code><span class="sig-paren">(</span>FAR uint8_t *<em>dest</em>, uint16_t <em>height</em>, uint16_t <em>width</em>, uint16_t <em>stride</em>, FAR <em class="property">const</em> <em class="property">struct</em> <a class="reference internal" href="#c.nx_fontbitmap_s" title="nx_fontbitmap_s">nx_fontbitmap_s</a> *<em>bm</em>, <a class="reference internal" href="nxgl.html#c.nxgl_mxpixel_t" title="nxgl_mxpixel_t">nxgl_mxpixel_t</a> <em>color</em><span class="sig-paren">)</span>;<a class="headerlink" href="#c.nxf_convert_2bpp" title="Permalink to this definition">¶</a><br /></dt> |
| <dd></dd></dl> |
| |
| <dl class="c function"> |
| <dt id="c.nxf_convert_4bpp"> |
| int <code class="sig-name descname">nxf_convert_4bpp</code><span class="sig-paren">(</span>FAR uint8_t *<em>dest</em>, uint16_t <em>height</em>, uint16_t <em>width</em>, uint16_t <em>stride</em>, FAR <em class="property">const</em> <em class="property">struct</em> <a class="reference internal" href="#c.nx_fontbitmap_s" title="nx_fontbitmap_s">nx_fontbitmap_s</a> *<em>bm</em>, <a class="reference internal" href="nxgl.html#c.nxgl_mxpixel_t" title="nxgl_mxpixel_t">nxgl_mxpixel_t</a> <em>color</em><span class="sig-paren">)</span>;<a class="headerlink" href="#c.nxf_convert_4bpp" title="Permalink to this definition">¶</a><br /></dt> |
| <dd></dd></dl> |
| |
| <dl class="c function"> |
| <dt id="c.nxf_convert_8bpp"> |
| int <code class="sig-name descname">nxf_convert_8bpp</code><span class="sig-paren">(</span>FAR uint8_t *<em>dest</em>, uint16_t <em>height</em>, uint16_t <em>width</em>, uint16_t <em>stride</em>, FAR <em class="property">const</em> <em class="property">struct</em> <a class="reference internal" href="#c.nx_fontbitmap_s" title="nx_fontbitmap_s">nx_fontbitmap_s</a> *<em>bm</em>, <a class="reference internal" href="nxgl.html#c.nxgl_mxpixel_t" title="nxgl_mxpixel_t">nxgl_mxpixel_t</a> <em>color</em><span class="sig-paren">)</span>;<a class="headerlink" href="#c.nxf_convert_8bpp" title="Permalink to this definition">¶</a><br /></dt> |
| <dd></dd></dl> |
| |
| <dl class="c function"> |
| <dt id="c.nxf_convert_16bpp"> |
| int <code class="sig-name descname">nxf_convert_16bpp</code><span class="sig-paren">(</span>FAR uint16_t *<em>dest</em>, uint16_t <em>height</em>, uint16_t <em>width</em>, uint16_t <em>stride</em>, FAR <em class="property">const</em> <em class="property">struct</em> <a class="reference internal" href="#c.nx_fontbitmap_s" title="nx_fontbitmap_s">nx_fontbitmap_s</a> *<em>bm</em>, <a class="reference internal" href="nxgl.html#c.nxgl_mxpixel_t" title="nxgl_mxpixel_t">nxgl_mxpixel_t</a> <em>color</em><span class="sig-paren">)</span>;<a class="headerlink" href="#c.nxf_convert_16bpp" title="Permalink to this definition">¶</a><br /></dt> |
| <dd></dd></dl> |
| |
| <dl class="c function"> |
| <dt id="c.nxf_convert_24bpp"> |
| int <code class="sig-name descname">nxf_convert_24bpp</code><span class="sig-paren">(</span>FAR uint32_t *<em>dest</em>, uint16_t <em>height</em>, uint16_t <em>width</em>, uint16_t <em>stride</em>, FAR <em class="property">const</em> <em class="property">struct</em> <a class="reference internal" href="#c.nx_fontbitmap_s" title="nx_fontbitmap_s">nx_fontbitmap_s</a> *<em>bm</em>, <a class="reference internal" href="nxgl.html#c.nxgl_mxpixel_t" title="nxgl_mxpixel_t">nxgl_mxpixel_t</a> <em>color</em><span class="sig-paren">)</span>;<a class="headerlink" href="#c.nxf_convert_24bpp" title="Permalink to this definition">¶</a><br /></dt> |
| <dd></dd></dl> |
| |
| <dl class="c function"> |
| <dt id="c.nxf_convert_32bpp"> |
| int <code class="sig-name descname">nxf_convert_32bpp</code><span class="sig-paren">(</span>FAR uint32_t *<em>dest</em>, uint16_t <em>height</em>, uint16_t <em>width</em>, uint16_t <em>stride</em>, FAR <em class="property">const</em> <em class="property">struct</em> <a class="reference internal" href="#c.nx_fontbitmap_s" title="nx_fontbitmap_s">nx_fontbitmap_s</a> *<em>bm</em>, <a class="reference internal" href="nxgl.html#c.nxgl_mxpixel_t" title="nxgl_mxpixel_t">nxgl_mxpixel_t</a> <em>color</em><span class="sig-paren">)</span>;<a class="headerlink" href="#c.nxf_convert_32bpp" title="Permalink to this definition">¶</a><br /></dt> |
| <dd><p>Convert the 1BPP font to a new pixel depth.</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters</dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>dest</strong> – The destination buffer provided by the caller.</p></li> |
| <li><p><strong>height</strong> – The max height of the returned char in rows.</p></li> |
| <li><p><strong>width</strong> – The max width of the returned char in pixels.</p></li> |
| <li><p><strong>stride</strong> – The width of the destination buffer in bytes.</p></li> |
| <li><p><strong>bm</strong> – Describes the character glyph to convert</p></li> |
| <li><p><strong>color</strong> – The color to use for ‘1’ bits in the font bitmap (0 bits are transparent).</p></li> |
| </ul> |
| </dd> |
| <dt class="field-even">Returns</dt> |
| <dd class="field-even"><p><code class="docutils literal notranslate"><span class="pre">OK</span></code> on success; <code class="docutils literal notranslate"><span class="pre">ERROR</span></code> on failure with <code class="docutils literal notranslate"><span class="pre">errno</span></code> set appropriately.</p> |
| </dd> |
| </dl> |
| </dd></dl> |
| |
| </div> |
| </div> |
| |
| |
| </div> |
| |
| </div> |
| <footer> |
| |
| |
| <hr/> |
| |
| <div role="contentinfo"> |
| <p> |
| |
| © Copyright 2020, The Apache Software Foundation |
| |
| </p> |
| </div> |
| |
| </footer> |
| |
| </div> |
| </div> |
| |
| </section> |
| |
| </div> |
| |
| |
| <script type="text/javascript"> |
| jQuery(function () { |
| SphinxRtdTheme.Navigation.enable(true); |
| }); |
| </script> |
| |
| |
| |
| |
| |
| |
| </body> |
| </html> |
