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Adding documentation by Pierre-Alain Joye for these two functions.

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@118549 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Sander Roobol 2003-03-01 11:49:17 +00:00
parent 6621656e7a
commit 3926f3aba0
2 changed files with 98 additions and 0 deletions
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43
reference/image/functions/imageistruecolor.xml Normal file
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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.1 $ -->
<!-- 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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reference/image/functions/imagesavealpha.xml Normal file
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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.1 $ -->
<!-- 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 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, e.g. latest Mozilla.
</para>
<para>
See also <function>imagealphablending</function>.
</para>
</refsect1>
</refentry>
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