cairo/doc/reference/xml/cairo_set_tolerance.xml

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<refentry id="cairo_set_tolerance">
<refmeta>
<refentrytitle>cairo_set_tolerance</refentrytitle>
<manvolnum>3</manvolnum>
</refmeta>
<refnamediv>
<refname>cairo_set_tolerance</refname>
<refpurpose>set accuracy of painting operations</refpurpose>
</refnamediv>
<refsynopsisdiv>
<programlisting>
void cairo_set_tolerance (<link linkend="cairo_t">cairo_t</link> *cr, double tolerance)</programlisting>
<variablelist role="params">
<varlistentry>
<term><parameter>cr</parameter> :</term>
<listitem>
<simpara>a <link linkend="cairo_t">cairo_t</link></simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>tolerance</parameter> :</term>
<listitem>
<simpara>the accuracy in device pixels</simpara>
</listitem>
</varlistentry>
</variablelist>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para>
<indexterm>
<primary>functions</primary>
<secondary>cairo_set_tolerance</secondary>
</indexterm>
<indexterm>
<primary/>
</indexterm>
This function adjusts the error tolerance for tesselating curved objects. The default value is 0.1 (device pixels). This function can be used to trade speed against accuracy.
</para>
</refsect1>
</refentry>