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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.9 $ -->
<!-- splitted from ./en/functions/image.xml, last change in rev 1.36 -->
<refentry id="function.imagesavealpha">
<refnamediv>
<refname>imagesavealpha</refname>
<refpurpose>
Set the flag to save full alpha channel information (as opposed to
single-color transparency) when saving PNG images
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>bool</type><methodname>imagesavealpha</methodname>
<methodparam><type>resource</type><parameter>image</parameter></methodparam>
<methodparam><type>bool</type><parameter>saveflag</parameter></methodparam>
</methodsynopsis>
<para>
<function>imagesavealpha</function> sets the flag to attempt to save
full alpha channel information (as opposed to single-color transparency)
when saving PNG images.
</para>
<para>
You have to unset alphablending
(<literal>imagealphablending($im, &false;)</literal>), to use it.
</para>
<para>
Alpha channel is not supported by all browsers, if you have problem with
your browser, try to load your script with an alpha channel compliant
browser, e.g. latest Mozilla.
</para>
¬e.gd.2;
<para>
See also <function>imagealphablending</function>.
</para>
</refsect1>
</refentry>
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sgml-parent-document:nil
sgml-default-dtd-file:"../../../../manual.ced"
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End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->
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