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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-default-dtd-file:"../../../../manual.ced"
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vim: et tw=78 syn=sgml
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