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<title>stringsize(3) - Plan 9 from User Space</title>
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<tr><td width=20><td><b>STRINGSIZE(3)</b><td align=right><b>STRINGSIZE(3)</b>
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<p><font size=+1><b>NAME </b></font><br>
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stringsize, stringwidth, stringnwidth, runestringsize, runestringwidth,
runestringnwidth &ndash; graphical size of strings<br>
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<p><font size=+1><b>SYNOPSIS </b></font><br>
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<tt><font size=+1>#include &lt;u.h&gt;<br>
#include &lt;libc.h&gt;<br>
#include &lt;draw.h&gt;<br>
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</font></tt>
<tt><font size=+1>Point stringsize(Font *f, char *s)<br>
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</font></tt>
<tt><font size=+1>int &nbsp;&nbsp;&nbsp;&nbsp;stringwidth(Font *f, char *s)<br>
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</font></tt>
<tt><font size=+1>int &nbsp;&nbsp;&nbsp;&nbsp;stringnwidth(Font *f, char *s, int n)<br>
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</font></tt>
<tt><font size=+1>Point runestringsize(Font *f, Rune *s)<br>
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</font></tt>
<tt><font size=+1>int &nbsp;&nbsp;&nbsp;&nbsp;runestringwidth(Font *f, Rune *s)<br>
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</font></tt>
<tt><font size=+1>int &nbsp;&nbsp;&nbsp;&nbsp;runestringnwidth(Font *f, Rune *s, int n)<br>
</font></tt>
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<p><font size=+1><b>DESCRIPTION </b></font><br>
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These routines compute the geometrical extent of character strings
when drawn on the display. The most straightforward, <tt><font size=+1>stringsize</font></tt>,
returns a <tt><font size=+1>Point</font></tt> representing the vector from upper left to lower
right of the NUL-terminated string <i>s</i> drawn in font <i>f</i>. <tt><font size=+1>Stringwidth</font></tt>
returns just the <i>x</i> component.
<tt><font size=+1>Stringnwidth</font></tt> returns the width of the first <i>n</i> characters of <i>s</i>.
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The routines beginning with <tt><font size=+1>rune</font></tt> are analogous, but accept an
array of runes rather than UTF-encoded bytes.<br>
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<p><font size=+1><b>FILES </b></font><br>
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<tt><font size=+1>/lib/font/bit </font></tt>&nbsp;&nbsp;&nbsp;directory of fonts<br>
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<p><font size=+1><b>SOURCE </b></font><br>
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<tt><font size=+1>/usr/local/plan9/src/libdraw<br>
</font></tt>
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<p><font size=+1><b>SEE ALSO </b></font><br>
<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td>
<a href="../man3/addpt.html"><i>addpt</i>(3)</a>, <a href="../man3/cachechars.html"><i>cachechars</i>(3)</a>, <a href="../man3/subfont.html"><i>subfont</i>(3)</a>, <a href="../man3/draw.html"><i>draw</i>(3)</a>, <a href="../man3/draw.html"><i>draw</i>(3)</a>, <a href="../man7/image.html"><i>image</i>(7)</a>,
<a href="../man7/font.html"><i>font</i>(7)</a><br>
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<p><font size=+1><b>DIAGNOSTICS </b></font><br>
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Because strings are loaded dynamically, these routines may generate
I/O to the server and produce calls to the graphics error function.<br>
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<!-- TRAILER -->
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<center>
<a href="../../"><img src="../../dist/spaceglenda100.png" alt="Space Glenda" border=1></a>
</center>
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<!-- TRAILER -->
</body></html>