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tintimage.xml
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138 lines (125 loc) · 3.32 KB
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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xmlns="http://docbook.org/ns/docbook" xml:id="imagick.tintimage">
<refnamediv>
<refname>Imagick::tintImage</refname>
<refpurpose>Applies a color vector to each pixel in the image</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<modifier>public</modifier> <type>bool</type><methodname>Imagick::tintImage</methodname>
<methodparam><type>mixed</type><parameter>tint</parameter></methodparam>
<methodparam><type>mixed</type><parameter>opacity</parameter></methodparam>
<methodparam choice="opt"><type>bool</type><parameter>legacy</parameter><initializer>&false;</initializer></methodparam>
</methodsynopsis>
<para>
Applies a color vector to each pixel in the image. The length of the vector
is 0 for black and white and at its maximum for the midtones. The vector
weighing function is f(x)=(1-(4.0*((x-0.5)*(x-0.5)))).
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>tint</parameter></term>
<listitem>
<para>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>opacity</parameter></term>
<listitem>
<para>
</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="changelog">
&reftitle.changelog;
<para>
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>PECL imagick 2.1.0</entry>
<entry>
Now allows a string representing the color as the first parameter and
a float representing the opacity value as the second parameter.
Previous versions allow only an ImagickPixel objects.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title> <function>Imagick::tintImage</function></title>
<programlisting role="php">
<![CDATA[
<?php
function tintImage($r, $g, $b, $a) {
$a = $a / 100;
$imagick = new \Imagick();
$imagick->newPseudoImage(400, 400, 'gradient:black-white');
$tint = new \ImagickPixel("rgb($r, $g, $b)");
$opacity = new \ImagickPixel("rgb(128, 128, 128, $a)");
$imagick->tintImage($tint, $opacity);
$imagick->setImageFormat('png');
header("Content-Type: image/png");
echo $imagick->getImageBlob();
}
?>
]]>
</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
-->