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<li><a class="reference internal" href="#">afm (Adobe Font Metrics interface)</a><ul>
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  <div class="section" id="afm-adobe-font-metrics-interface">
<h1>afm (Adobe Font Metrics interface)<a class="headerlink" href="#afm-adobe-font-metrics-interface" title="Permalink to this headline">¶</a></h1>
<div class="section" id="module-matplotlib.afm">
<span id="matplotlib-afm"></span><h2><a class="reference internal" href="#module-matplotlib.afm" title="matplotlib.afm"><tt class="xref py py-mod docutils literal"><span class="pre">matplotlib.afm</span></tt></a><a class="headerlink" href="#module-matplotlib.afm" title="Permalink to this headline">¶</a></h2>
<p>This is a python interface to Adobe Font Metrics Files.  Although a
number of other python implementations exist (and may be more complete
than mine) I decided not to go with them because either they were
either</p>
<blockquote>
<div><ol class="arabic simple">
<li>copyrighted or used a non-BSD compatible license</li>
<li>had too many dependencies and I wanted a free standing lib</li>
<li>Did more than I needed and it was easier to write my own than
figure out how to just get what I needed from theirs</li>
</ol>
</div></blockquote>
<p>It is pretty easy to use, and requires only built-in python libs:</p>
<div class="highlight-python"><div class="highlight"><pre><span class="gp">&gt;&gt;&gt; </span><span class="kn">from</span> <span class="nn">afm</span> <span class="kn">import</span> <span class="n">AFM</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">fh</span> <span class="o">=</span> <span class="nb">file</span><span class="p">(</span><span class="s">&#39;ptmr8a.afm&#39;</span><span class="p">)</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">afm</span> <span class="o">=</span> <span class="n">AFM</span><span class="p">(</span><span class="n">fh</span><span class="p">)</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">afm</span><span class="o">.</span><span class="n">string_width_height</span><span class="p">(</span><span class="s">&#39;What the heck?&#39;</span><span class="p">)</span>
<span class="go">(6220.0, 683)</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">afm</span><span class="o">.</span><span class="n">get_fontname</span><span class="p">()</span>
<span class="go">&#39;Times-Roman&#39;</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">afm</span><span class="o">.</span><span class="n">get_kern_dist</span><span class="p">(</span><span class="s">&#39;A&#39;</span><span class="p">,</span> <span class="s">&#39;f&#39;</span><span class="p">)</span>
<span class="go">0</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">afm</span><span class="o">.</span><span class="n">get_kern_dist</span><span class="p">(</span><span class="s">&#39;A&#39;</span><span class="p">,</span> <span class="s">&#39;y&#39;</span><span class="p">)</span>
<span class="go">-92.0</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">afm</span><span class="o">.</span><span class="n">get_bbox_char</span><span class="p">(</span><span class="s">&#39;!&#39;</span><span class="p">)</span>
<span class="go">[130, -9, 238, 676]</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">afm</span><span class="o">.</span><span class="n">get_bbox_font</span><span class="p">()</span>
<span class="go">[-168, -218, 1000, 898]</span>
</pre></div>
</div>
<dl class="docutils">
<dt>AUTHOR:</dt>
<dd>John D. Hunter &lt;<a class="reference external" href="mailto:jdh2358&#37;&#52;&#48;gmail&#46;com">jdh2358<span>&#64;</span>gmail<span>&#46;</span>com</a>&gt;</dd>
</dl>
<dl class="class">
<dt id="matplotlib.afm.AFM">
<em class="property">class </em><tt class="descclassname">matplotlib.afm.</tt><tt class="descname">AFM</tt><big>(</big><em>fh</em><big>)</big><a class="headerlink" href="#matplotlib.afm.AFM" title="Permalink to this definition">¶</a></dt>
<dd><p>Parse the AFM file in file object <em>fh</em></p>
<dl class="method">
<dt id="matplotlib.afm.AFM.get_angle">
<tt class="descname">get_angle</tt><big>(</big><big>)</big><a class="headerlink" href="#matplotlib.afm.AFM.get_angle" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the fontangle as float</p>
</dd></dl>

<dl class="method">
<dt id="matplotlib.afm.AFM.get_bbox_char">
<tt class="descname">get_bbox_char</tt><big>(</big><em>c</em>, <em>isord=False</em><big>)</big><a class="headerlink" href="#matplotlib.afm.AFM.get_bbox_char" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="method">
<dt id="matplotlib.afm.AFM.get_capheight">
<tt class="descname">get_capheight</tt><big>(</big><big>)</big><a class="headerlink" href="#matplotlib.afm.AFM.get_capheight" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the cap height as float</p>
</dd></dl>

<dl class="method">
<dt id="matplotlib.afm.AFM.get_familyname">
<tt class="descname">get_familyname</tt><big>(</big><big>)</big><a class="headerlink" href="#matplotlib.afm.AFM.get_familyname" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the font family name, eg, &#8216;Times&#8217;</p>
</dd></dl>

<dl class="method">
<dt id="matplotlib.afm.AFM.get_fontname">
<tt class="descname">get_fontname</tt><big>(</big><big>)</big><a class="headerlink" href="#matplotlib.afm.AFM.get_fontname" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the font name, eg, &#8216;Times-Roman&#8217;</p>
</dd></dl>

<dl class="method">
<dt id="matplotlib.afm.AFM.get_fullname">
<tt class="descname">get_fullname</tt><big>(</big><big>)</big><a class="headerlink" href="#matplotlib.afm.AFM.get_fullname" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the font full name, eg, &#8216;Times-Roman&#8217;</p>
</dd></dl>

<dl class="method">
<dt id="matplotlib.afm.AFM.get_height_char">
<tt class="descname">get_height_char</tt><big>(</big><em>c</em>, <em>isord=False</em><big>)</big><a class="headerlink" href="#matplotlib.afm.AFM.get_height_char" title="Permalink to this definition">¶</a></dt>
<dd><p>Get the height of character <em>c</em> from the bounding box.  This
is the ink height (space is 0)</p>
</dd></dl>

<dl class="method">
<dt id="matplotlib.afm.AFM.get_horizontal_stem_width">
<tt class="descname">get_horizontal_stem_width</tt><big>(</big><big>)</big><a class="headerlink" href="#matplotlib.afm.AFM.get_horizontal_stem_width" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the standard horizontal stem width as float, or <em>None</em> if
not specified in AFM file.</p>
</dd></dl>

<dl class="method">
<dt id="matplotlib.afm.AFM.get_kern_dist">
<tt class="descname">get_kern_dist</tt><big>(</big><em>c1</em>, <em>c2</em><big>)</big><a class="headerlink" href="#matplotlib.afm.AFM.get_kern_dist" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the kerning pair distance (possibly 0) for chars <em>c1</em>
and <em>c2</em></p>
</dd></dl>

<dl class="method">
<dt id="matplotlib.afm.AFM.get_kern_dist_from_name">
<tt class="descname">get_kern_dist_from_name</tt><big>(</big><em>name1</em>, <em>name2</em><big>)</big><a class="headerlink" href="#matplotlib.afm.AFM.get_kern_dist_from_name" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the kerning pair distance (possibly 0) for chars
<em>name1</em> and <em>name2</em></p>
</dd></dl>

<dl class="method">
<dt id="matplotlib.afm.AFM.get_name_char">
<tt class="descname">get_name_char</tt><big>(</big><em>c</em>, <em>isord=False</em><big>)</big><a class="headerlink" href="#matplotlib.afm.AFM.get_name_char" title="Permalink to this definition">¶</a></dt>
<dd><p>Get the name of the character, ie, &#8216;;&#8217; is &#8216;semicolon&#8217;</p>
</dd></dl>

<dl class="method">
<dt id="matplotlib.afm.AFM.get_str_bbox">
<tt class="descname">get_str_bbox</tt><big>(</big><em>s</em><big>)</big><a class="headerlink" href="#matplotlib.afm.AFM.get_str_bbox" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the string bounding box</p>
</dd></dl>

<dl class="method">
<dt id="matplotlib.afm.AFM.get_str_bbox_and_descent">
<tt class="descname">get_str_bbox_and_descent</tt><big>(</big><em>s</em><big>)</big><a class="headerlink" href="#matplotlib.afm.AFM.get_str_bbox_and_descent" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the string bounding box</p>
</dd></dl>

<dl class="method">
<dt id="matplotlib.afm.AFM.get_underline_thickness">
<tt class="descname">get_underline_thickness</tt><big>(</big><big>)</big><a class="headerlink" href="#matplotlib.afm.AFM.get_underline_thickness" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the underline thickness as float</p>
</dd></dl>

<dl class="method">
<dt id="matplotlib.afm.AFM.get_vertical_stem_width">
<tt class="descname">get_vertical_stem_width</tt><big>(</big><big>)</big><a class="headerlink" href="#matplotlib.afm.AFM.get_vertical_stem_width" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the standard vertical stem width as float, or <em>None</em> if
not specified in AFM file.</p>
</dd></dl>

<dl class="method">
<dt id="matplotlib.afm.AFM.get_weight">
<tt class="descname">get_weight</tt><big>(</big><big>)</big><a class="headerlink" href="#matplotlib.afm.AFM.get_weight" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the font weight, eg, &#8216;Bold&#8217; or &#8216;Roman&#8217;</p>
</dd></dl>

<dl class="method">
<dt id="matplotlib.afm.AFM.get_width_char">
<tt class="descname">get_width_char</tt><big>(</big><em>c</em>, <em>isord=False</em><big>)</big><a class="headerlink" href="#matplotlib.afm.AFM.get_width_char" title="Permalink to this definition">¶</a></dt>
<dd><p>Get the width of the character from the character metric WX
field</p>
</dd></dl>

<dl class="method">
<dt id="matplotlib.afm.AFM.get_width_from_char_name">
<tt class="descname">get_width_from_char_name</tt><big>(</big><em>name</em><big>)</big><a class="headerlink" href="#matplotlib.afm.AFM.get_width_from_char_name" title="Permalink to this definition">¶</a></dt>
<dd><p>Get the width of the character from a type1 character name</p>
</dd></dl>

<dl class="method">
<dt id="matplotlib.afm.AFM.get_xheight">
<tt class="descname">get_xheight</tt><big>(</big><big>)</big><a class="headerlink" href="#matplotlib.afm.AFM.get_xheight" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the xheight as float</p>
</dd></dl>

<dl class="method">
<dt id="matplotlib.afm.AFM.string_width_height">
<tt class="descname">string_width_height</tt><big>(</big><em>s</em><big>)</big><a class="headerlink" href="#matplotlib.afm.AFM.string_width_height" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the string width (including kerning) and string height
as a (<em>w</em>, <em>h</em>) tuple.</p>
</dd></dl>

</dd></dl>

<dl class="function">
<dt id="matplotlib.afm.parse_afm">
<tt class="descclassname">matplotlib.afm.</tt><tt class="descname">parse_afm</tt><big>(</big><em>fh</em><big>)</big><a class="headerlink" href="#matplotlib.afm.parse_afm" title="Permalink to this definition">¶</a></dt>
<dd><p>Parse the Adobe Font Metics file in file handle <em>fh</em>. Return value
is a (<em>dhead</em>, <em>dcmetrics</em>, <em>dkernpairs</em>, <em>dcomposite</em>) tuple where
<em>dhead</em> is a <tt class="xref py py-func docutils literal"><span class="pre">_parse_header()</span></tt> dict, <em>dcmetrics</em> is a
<tt class="xref py py-func docutils literal"><span class="pre">_parse_composites()</span></tt> dict, <em>dkernpairs</em> is a
<tt class="xref py py-func docutils literal"><span class="pre">_parse_kern_pairs()</span></tt> dict (possibly {}), and <em>dcomposite</em> is a
<tt class="xref py py-func docutils literal"><span class="pre">_parse_composites()</span></tt> dict (possibly {})</p>
</dd></dl>

</div>
</div>


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