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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@129091 c90b9560-bf6c-de11-be94-00142212c4b1
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Philip Olson 2003-05-29 01:13:50 +00:00
parent c510bc69b1
commit 5c6d2a2fc4
1 changed files with 14 additions and 11 deletions
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25
reference/image/functions/imagesavealpha.xml
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@ -1,11 +1,13 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.3 $ -->
<!-- $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>
<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>
@ -13,19 +15,20 @@
<type>bool</type><methodname>imagesavealpha</methodname>
<methodparam><type>resource</type><parameter>image</parameter></methodparam>
<methodparam><type>bool</type><parameter>saveflag</parameter></methodparam>
</methodsynopsis>
</methodsynopsis>
<para>
<function>imagesavealpha</function> sets the flat to attempt to save full alpha
channel information (as opposed to single-color transparency) when saving PNG images.
<function>imagesavealpha</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
(<literal>imagealphaplending($im,&false;)</literal>), to use it.
You have to unset alphablending
(<literal>imagealphaplending($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 a alpha channel compliant
browser, e.g. latest Mozilla.
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, e.g. latest Mozilla.
</para>
<para>
See also <function>imagealphablending</function>.