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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 297101 $ -->
<refentry xml:id="cairocontext.devicetouser" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>CairoContext::deviceToUser</refname>
<refname>cairo_device_to_user</refname>
<refpurpose>Transform a coordinate</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<para>Object oriented style (method):</para>
<methodsynopsis>
<modifier>public</modifier> <type>array</type><methodname>CairoContext::deviceToUser</methodname>
<methodparam><type>float</type><parameter>x</parameter></methodparam>
<methodparam><type>float</type><parameter>y</parameter></methodparam>
</methodsynopsis>
<para>Procedural style:</para>
<methodsynopsis>
<type>array</type><methodname>cairo_device_to_user</methodname>
<methodparam><type>CairoContext</type><parameter>context</parameter></methodparam>
<methodparam><type>float</type><parameter>x</parameter></methodparam>
<methodparam><type>float</type><parameter>y</parameter></methodparam>
</methodsynopsis>
<para>
Transform a coordinate from device space to user space by multiplying the given point by the
inverse of the current transformation matrix (CTM).
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>context</parameter></term>
<listitem>
<para>
A valid <classname>CairoContext</classname> object created with
<methodname>CairoContext::__construct</methodname> or <function>cairo_create</function>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>x</parameter></term>
<listitem>
<para>
x value of the coordinate
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>y</parameter></term>
<listitem>
<para>
y value of the coordinate
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
An array containing the x and y coordinates in the user-space
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><methodname>CairoContext::deviceToUserDistance</methodname></member>
</simplelist>
</para>
</refsect1>
</refentry>
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