Hello,
Please find as attachments the doc for the 2 new image functions:
imageistruecolor and imagesavealpha.
Both will be available in the next 4.3 releases, and already in head.
hth
pierre
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.4 $ -->
<!-- splitted from ./en/functions/image.xml, last change in rev 1.36 -->
<refentry id="function.imageistruecolor">
<refnamediv>
<refname>imageistruecolorcreate</refname>
<refpurpose>Finds whether an image is a truecolor image.</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>bool</type><methodname>imageistruecolor</methodname>
<methodparam><type>resource</type><parameter>image</parameter></methodparam>
</methodsynopsis>
<para>
<function>imageistruecolor</function> Finds whether an image is a truecolor image.
</para>
<para>
See also <function>imagecreatetruecolor</function>.
</para>
</refsect1>
</refentry>
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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.4 $ -->
<!-- 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>imageistruecolor</methodname>
<methodparam><type>resource</type><parameter>image</parameter></methodparam>
</methodsynopsis>
<para>
<function>imageistruecolor</function> sets the flat 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 (<function>imagealphaplending</function>($im, &false;)) 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 a alpha channel compliant
browser, i.e. latest mozilla.
</para>
<para>
See also <function>imagealphablending</function>.
</para>
</refsect1>
</refentry>
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sgml-exposed-tags:nil
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End:
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vim: et tw=78 syn=sgml
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-->
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