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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.13 $ -->
<refentry xml:id="function.imagesettile" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>imagesettile</refname>
<refpurpose>Set the tile image for filling</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>imagesettile</methodname>
<methodparam><type>resource</type><parameter>image</parameter></methodparam>
<methodparam><type>resource</type><parameter>tile</parameter></methodparam>
</methodsynopsis>
<para>
<function>imagesettile</function> sets the tile image to be
used by all region filling functions (such as <function>imagefill</function>
and <function>imagefilledpolygon</function>) when filling with the special
color <constant>IMG_COLOR_TILED</constant>.
</para>
<para>
A tile is an image used to fill an area with a repeated pattern. <emphasis>Any</emphasis>
GD image can be used as a tile, and by setting the transparent color index of the tile
image with <function>imagecolortransparent</function>, a tile allows certain parts
of the underlying area to shine through can be created.
</para>
<note>
<para>
You need not take special action when you are finished with a tile, but if you
destroy the tile image, you must not use the <constant>IMG_COLOR_TILED</constant>
color until you have set a new tile image!
</para>
</note>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
&gd.image.description;
<varlistentry>
<term><parameter>tile</parameter></term>
<listitem>
<para>
The image resource to be used as a tile.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.success;
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>imagesettile</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
// Load an external image
$zend = imagecreatefromgif('./zend.gif');
// Create a 200x200 image
$im = imagecreatetruecolor(200, 200);
// Set the tile
imagesettile($im, $zend);
// Make the image repeat
imagefilledrectangle($im, 0, 0, 199, 199, IMG_COLOR_TILED);
// Output image to the browser
header('Content-Type: image/png');
imagepng($im);
imagedestroy($im);
imagedestroy($zend);
?>
]]>
</programlisting>
&example.outputs.similar;
<mediaobject>
<imageobject>
<imagedata fileref="figures/image.imagesettile.png"/>
</imageobject>
</mediaobject>
</example>
</para>
</refsect1>
</refentry>
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