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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 297028 $ -->
<refentry xml:id="function.swfdisplayitem.multcolor" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>SWFDisplayItem->multColor</refname>
<refpurpose>Multiplies the item's color transform</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<classsynopsis>
<ooclass><classname>SWFDisplayItem</classname></ooclass>
<methodsynopsis>
<type>void</type><methodname>multColor</methodname>
<methodparam><type>float</type><parameter>red</parameter></methodparam>
<methodparam><type>float</type><parameter>green</parameter></methodparam>
<methodparam><type>float</type><parameter>blue</parameter></methodparam>
<methodparam choice="opt"><type>float</type><parameter>a</parameter></methodparam>
</methodsynopsis>
</classsynopsis>
&warn.experimental.func;
<para>
<function>swfdisplayitem->multcolor</function> multiplies the item's
color transform by the given values.
</para>
<simpara>
The object may be a <function>swfshape</function>, a
<function>swfbutton</function>, a <function>swftext</function> or a
<function>swfsprite</function> object. It must have been added using
the <function>swfmovie->add</function>.
</simpara>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
These parameters are floats between 0.0 and 1.0:
<variablelist>
<varlistentry>
<term><parameter>red</parameter></term>
<listitem>
<para>
Value of red component
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>green</parameter></term>
<listitem>
<para>
Value of green component
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>blue</parameter></term>
<listitem>
<para>
Value of blue component
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>a</parameter></term>
<listitem>
<para>
Value of alpha component
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.void;
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
This simple example will modify your picture's atmosphere
to Halloween (use a landscape or bright picture).
<example>
<title><function>swfdisplayitem->multcolor</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$b = new SWFBitmap(file_get_contents("backyard.jpg"));
// note use your own picture :-)
$s = new SWFShape();
$s->setRightFill($s->addFill($b));
$s->drawLine($b->getWidth(), 0);
$s->drawLine(0, $b->getHeight());
$s->drawLine(-$b->getWidth(), 0);
$s->drawLine(0, -$b->getHeight());
$m = new SWFMovie();
$m->setDimension($b->getWidth(), $b->getHeight());
$i = $m->add($s);
for ($n=0; $n<=20; ++$n) {
$i->multColor(1.0-$n/10, 1.0, 1.0);
$i->addColor(0xff*$n/20, 0, 0);
$m->nextFrame();
}
header('Content-type: application/x-shockwave-flash');
$m->output();
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
</refentry>
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