php-doc-en/reference/swf/functions/swf-mulcolor.xml

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<refentry id="function.swf-mulcolor">
 <refnamediv>
  <refname>swf_mulcolor</refname>
  <refpurpose>Sets the global multiply color to the rgba value specified</refpurpose>
 </refnamediv>
 <refsect1>
  <title>Description</title>
  <methodsynopsis>
   <type>void</type><methodname>swf_mulcolor</methodname>
   <methodparam><type>float</type><parameter>r</parameter></methodparam>
   <methodparam><type>float</type><parameter>g</parameter></methodparam>
   <methodparam><type>float</type><parameter>b</parameter></methodparam>
   <methodparam><type>float</type><parameter>a</parameter></methodparam>
  </methodsynopsis>
  <para>
   The <function>swf_mulcolor</function> function sets the global
   multiply color to the <parameter>rgba</parameter> color
   specified.  This color is then used (implicitly) by the
   <function>swf_placeobject</function>,
   <function>swf_modifyobject</function> and the
   <function>swf_addbuttonrecord</function> functions.  The color of
   the object will be multiplied by the <parameter>rgba</parameter>
   values when the object is written to the screen.
  </para>
  <note>
   <para>
    The <parameter>rgba</parameter> values can be either positive or
    negative.
   </para>
  </note>
 </refsect1>
</refentry>

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