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0ebb1e4ec0
* Added watermark examples on the main page based on Pierre's code by Ross Masters * Added examples for the following functions * imagefilter * imageftbbox * imagegif * imagepsbbox * imagettfbbox * iptcembed * Following examples are by Ross Masters * imagealphablending * imagecolorexact * imagecolorexactalpha * imagecolormatch * imagecolorresolve * imagecolorresolvealpha * imagegd * imagegd2 * imagelayereffect * imagepstext git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@265588 c90b9560-bf6c-de11-be94-00142212c4b1
131 lines
3.2 KiB
XML
131 lines
3.2 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.12 $ -->
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<refentry xml:id="function.imagecolorset" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>imagecolorset</refname>
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<refpurpose>Set the color for the specified palette index</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>void</type><methodname>imagecolorset</methodname>
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<methodparam><type>resource</type><parameter>image</parameter></methodparam>
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<methodparam><type>int</type><parameter>index</parameter></methodparam>
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<methodparam><type>int</type><parameter>red</parameter></methodparam>
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<methodparam><type>int</type><parameter>green</parameter></methodparam>
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<methodparam><type>int</type><parameter>blue</parameter></methodparam>
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</methodsynopsis>
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<para>
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This sets the specified index in the palette to the specified
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color. This is useful for creating flood-fill-like effects in
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palleted images without the overhead of performing the actual
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flood-fill.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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&gd.image.description;
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<varlistentry>
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<term><parameter>index</parameter></term>
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<listitem>
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<para>
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An index in the palette.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>red</parameter></term>
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<listitem>
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<para>
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Value of red component.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>green</parameter></term>
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<listitem>
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<para>
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Value of green component.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>blue</parameter></term>
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<listitem>
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<para>
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Value of blue component.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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&return.void;
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title><function>imagecolorset</function> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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// Create a 300x100 image
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$im = imagecreate(300, 100);
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// Set the background to be red
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imagecolorallocate($im, 255, 0, 0);
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// Get the color index for the background
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$bg = imagecolorat($im, 0, 0);
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// Set the backgrund to be blue
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imagecolorset($im, $bg, 0, 0, 255);
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// Output the image to the browser
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//header('Content-type: image/png');
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imagepng($im);
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imagedestroy($im);
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?>
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]]>
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</programlisting>
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</example>
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</para>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>imagecolorat</function></member>
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</simplelist>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"../../../../manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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