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<div class="section" id="module-fm">
<h1>38.7. <tt class="xref docutils literal"><span class="pre">fm</span></tt> — <em>Font Manager</em> interface<a class="headerlink" href="#module-fm" title="Permalink to this headline">¶</a></h1>
<p><em>Platforms: </em>IRIX</p>
<p class="deprecated">
<span class="versionmodified">Deprecated since version 2.6: </span>The <tt class="xref docutils literal"><span class="pre">fm</span></tt> module has been deprecated for removal in Python 3.0.</p>
<p id="index-335">This module provides access to the IRIS <em>Font Manager</em> library. It is
available only on Silicon Graphics machines. See also: <em>4Sight User’s Guide</em>,
section 1, chapter 5: “Using the IRIS Font Manager.”</p>
<p>This is not yet a full interface to the IRIS Font Manager. Among the unsupported
features are: matrix operations; cache operations; character operations (use
string operations instead); some details of font info; individual glyph metrics;
and printer matching.</p>
<p>It supports the following operations:</p>
<dl class="function">
<dt id="fm.init">
<tt class="descclassname">fm.</tt><tt class="descname">init</tt><big>(</big><big>)</big><a class="headerlink" href="#fm.init" title="Permalink to this definition">¶</a></dt>
<dd>Initialization function. Calls <tt class="xref docutils literal"><span class="pre">fminit()</span></tt>. It is normally not necessary to
call this function, since it is called automatically the first time the
<tt class="xref docutils literal"><span class="pre">fm</span></tt> module is imported.</dd></dl>
<dl class="function">
<dt id="fm.findfont">
<tt class="descclassname">fm.</tt><tt class="descname">findfont</tt><big>(</big><em>fontname</em><big>)</big><a class="headerlink" href="#fm.findfont" title="Permalink to this definition">¶</a></dt>
<dd>Return a font handle object. Calls <tt class="docutils literal"><span class="pre">fmfindfont(fontname)</span></tt>.</dd></dl>
<dl class="function">
<dt id="fm.enumerate">
<tt class="descclassname">fm.</tt><tt class="descname">enumerate</tt><big>(</big><big>)</big><a class="headerlink" href="#fm.enumerate" title="Permalink to this definition">¶</a></dt>
<dd>Returns a list of available font names. This is an interface to
<tt class="xref docutils literal"><span class="pre">fmenumerate()</span></tt>.</dd></dl>
<dl class="function">
<dt id="fm.prstr">
<tt class="descclassname">fm.</tt><tt class="descname">prstr</tt><big>(</big><em>string</em><big>)</big><a class="headerlink" href="#fm.prstr" title="Permalink to this definition">¶</a></dt>
<dd>Render a string using the current font (see the <tt class="xref docutils literal"><span class="pre">setfont()</span></tt> font handle
method below). Calls <tt class="docutils literal"><span class="pre">fmprstr(string)</span></tt>.</dd></dl>
<dl class="function">
<dt id="fm.setpath">
<tt class="descclassname">fm.</tt><tt class="descname">setpath</tt><big>(</big><em>string</em><big>)</big><a class="headerlink" href="#fm.setpath" title="Permalink to this definition">¶</a></dt>
<dd>Sets the font search path. Calls <tt class="docutils literal"><span class="pre">fmsetpath(string)</span></tt>. (XXX Does not work!?!)</dd></dl>
<dl class="function">
<dt id="fm.fontpath">
<tt class="descclassname">fm.</tt><tt class="descname">fontpath</tt><big>(</big><big>)</big><a class="headerlink" href="#fm.fontpath" title="Permalink to this definition">¶</a></dt>
<dd>Returns the current font search path.</dd></dl>
<p>Font handle objects support the following operations:</p>
<dl class="method">
<dt>
<tt class="descname">font handle.scalefont(factor)</tt></dt>
<dd>Returns a handle for a scaled version of this font. Calls <tt class="docutils literal"><span class="pre">fmscalefont(fh,</span>
<span class="pre">factor)</span></tt>.</dd></dl>
<dl class="method">
<dt>
<tt class="descname">font handle.setfont()</tt></dt>
<dd>Makes this font the current font. Note: the effect is undone silently when the
font handle object is deleted. Calls <tt class="docutils literal"><span class="pre">fmsetfont(fh)</span></tt>.</dd></dl>
<dl class="method">
<dt>
<tt class="descname">font handle.getfontname()</tt></dt>
<dd>Returns this font’s name. Calls <tt class="docutils literal"><span class="pre">fmgetfontname(fh)</span></tt>.</dd></dl>
<dl class="method">
<dt>
<tt class="descname">font handle.getcomment()</tt></dt>
<dd>Returns the comment string associated with this font. Raises an exception if
there is none. Calls <tt class="docutils literal"><span class="pre">fmgetcomment(fh)</span></tt>.</dd></dl>
<dl class="method">
<dt>
<tt class="descname">font handle.getfontinfo()</tt></dt>
<dd>Returns a tuple giving some pertinent data about this font. This is an interface
to <tt class="docutils literal"><span class="pre">fmgetfontinfo()</span></tt>. The returned tuple contains the following numbers:
<tt class="docutils literal"><span class="pre">(printermatched,</span> <span class="pre">fixed_width,</span> <span class="pre">xorig,</span> <span class="pre">yorig,</span> <span class="pre">xsize,</span> <span class="pre">ysize,</span> <span class="pre">height,</span> <span class="pre">nglyphs)</span></tt>.</dd></dl>
<dl class="method">
<dt>
<tt class="descname">font handle.getstrwidth(string)</tt></dt>
<dd>Returns the width, in pixels, of <em>string</em> when drawn in this font. Calls
<tt class="docutils literal"><span class="pre">fmgetstrwidth(fh,</span> <span class="pre">string)</span></tt>.</dd></dl>
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