/
orderedposterizeimage.xml
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/
orderedposterizeimage.xml
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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xmlns="http://docbook.org/ns/docbook" xml:id="imagick.orderedposterizeimage">
<refnamediv>
<refname>Imagick::orderedPosterizeImage</refname>
<refpurpose>Performs an ordered dither</refpurpose>
</refnamediv>
<refsynopsisdiv>
&imagick.deprecated.function-3-4-4;
</refsynopsisdiv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<modifier>public</modifier> <type>bool</type><methodname>Imagick::orderedPosterizeImage</methodname>
<methodparam><type>string</type><parameter>threshold_map</parameter></methodparam>
<methodparam choice="opt"><type>int</type><parameter>channel</parameter><initializer>Imagick::CHANNEL_DEFAULT</initializer></methodparam>
</methodsynopsis>
<para>
Performs an ordered dither based on a number of pre-defined dithering threshold maps,
but over multiple intensity levels, which can be different for different channels,
according to the input arguments. &imagick.method.available.0x631;
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>threshold_map</parameter></term>
<listitem>
<para>
A string containing the name of the threshold dither map to use
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>channel</parameter></term>
<listitem>
<para>
Provide any channel constant that is valid for your channel mode. To
apply to more than one channel, combine channeltype constants using
bitwise operators. Refer to this
list of <link linkend="imagick.constants.channel">channel constants</link>.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&imagick.return.success;
</para>
</refsect1>
<refsect1 role="errors">
&reftitle.errors;
<para>
&imagick.imagick.throws;
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title> <function>Imagick::orderedPosterizeImage</function></title>
<programlisting role="php">
<![CDATA[
<?php
function orderedPosterizeImage($imagePath, $orderedPosterizeType) {
$imagick = new \Imagick(realpath($imagePath));
$imagick->orderedPosterizeImage($orderedPosterizeType);
$imagick->setImageFormat('png');
header("Content-Type: image/png");
echo $imagick->getImageBlob();
}
//orderedPosterizeImage($imagePath, 'o4x4,3,3');
//orderedPosterizeImage($imagePath, 'o8x8,6,6');
orderedPosterizeImage($imagePath, 'h8x8a');
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->