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<H1><A NAME="SECTION0020700000000000000000">
18.7 <tt class="module">fm</tt> --
<i>Font Manager</i> interface</A>
</H1>
<P>
<p class='availability'>Availability: <span
class='platform'>IRIX</span>.</p>
<P>
This module provides access to the IRIS <i>Font Manager</i> library.
It is available only on Silicon Graphics machines.
See also: <i>4Sight User's Guide</i>, section 1, chapter 5: ``Using
the IRIS Font Manager.''
<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>
It supports the following operations:
<P>
<dl><dt><b><a name='l2h-3219'><tt class='function'>init</tt></a></b> ()
<dd>
Initialization function.
Calls <tt class="cfunction">fminit()</tt>.
It is normally not necessary to call this function, since it is called
automatically the first time the <tt class="module">fm</tt> module is imported.
</dl>
<P>
<dl><dt><b><a name='l2h-3220'><tt class='function'>findfont</tt></a></b> (<var>fontname</var>)
<dd>
Return a font handle object.
Calls <code>fmfindfont(<var>fontname</var>)</code>.
</dl>
<P>
<dl><dt><b><a name='l2h-3221'><tt class='function'>enumerate</tt></a></b> ()
<dd>
Returns a list of available font names.
This is an interface to <tt class="cfunction">fmenumerate()</tt>.
</dl>
<P>
<dl><dt><b><a name='l2h-3222'><tt class='function'>prstr</tt></a></b> (<var>string</var>)
<dd>
Render a string using the current font (see the <tt class="function">setfont()</tt> font
handle method below).
Calls <code>fmprstr(<var>string</var>)</code>.
</dl>
<P>
<dl><dt><b><a name='l2h-3223'><tt class='function'>setpath</tt></a></b> (<var>string</var>)
<dd>
Sets the font search path.
Calls <code>fmsetpath(<var>string</var>)</code>.
(XXX Does not work!?!)
</dl>
<P>
<dl><dt><b><a name='l2h-3224'><tt class='function'>fontpath</tt></a></b> ()
<dd>
Returns the current font search path.
</dl>
<P>
Font handle objects support the following operations:
<P>
<dl><dt><b><a name='l2h-3225'><tt class='function'>scalefont</tt></a></b> (<var>factor</var>)
<dd>
Returns a handle for a scaled version of this font.
Calls <code>fmscalefont(<var>fh</var>, <var>factor</var>)</code>.
</dl>
<P>
<dl><dt><b><a name='l2h-3226'><tt class='function'>setfont</tt></a></b> ()
<dd>
Makes this font the current font.
Note: the effect is undone silently when the font handle object is
deleted.
Calls <code>fmsetfont(<var>fh</var>)</code>.
</dl>
<P>
<dl><dt><b><a name='l2h-3227'><tt class='function'>getfontname</tt></a></b> ()
<dd>
Returns this font's name.
Calls <code>fmgetfontname(<var>fh</var>)</code>.
</dl>
<P>
<dl><dt><b><a name='l2h-3228'><tt class='function'>getcomment</tt></a></b> ()
<dd>
Returns the comment string associated with this font.
Raises an exception if there is none.
Calls <code>fmgetcomment(<var>fh</var>)</code>.
</dl>
<P>
<dl><dt><b><a name='l2h-3229'><tt class='function'>getfontinfo</tt></a></b> ()
<dd>
Returns a tuple giving some pertinent data about this font.
This is an interface to <code>fmgetfontinfo()</code>.
The returned tuple contains the following numbers:
<code>(</code><var>printermatched</var>, <var>fixed_width</var>, <var>xorig</var>,
<var>yorig</var>, <var>xsize</var>, <var>ysize</var>, <var>height</var>,
<var>nglyphs</var><code>)</code>.
</dl>
<P>
<dl><dt><b><a name='l2h-3230'><tt class='function'>getstrwidth</tt></a></b> (<var>string</var>)
<dd>
Returns the width, in pixels, of <var>string</var> when drawn in this font.
Calls <code>fmgetstrwidth(<var>fh</var>, <var>string</var>)</code>.
</dl>
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