mirror of
https://github.com/sigmasternchen/php-doc-en
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e8844eadb3
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@146748 c90b9560-bf6c-de11-be94-00142212c4b1
85 lines
2.4 KiB
XML
85 lines
2.4 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.8 $ -->
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<!-- splitted from ./en/functions/image.xml, last change in rev 1.2 -->
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<refentry id="function.imagepolygon">
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<refnamediv>
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<refname>imagepolygon</refname>
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<refpurpose>Draw a polygon</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>int</type><methodname>imagepolygon</methodname>
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<methodparam><type>resource</type><parameter>image</parameter></methodparam>
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<methodparam><type>array</type><parameter>points</parameter></methodparam>
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<methodparam><type>int</type><parameter>num_points</parameter></methodparam>
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<methodparam><type>int</type><parameter>color</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>imagepolygon</function> creates a polygon in image id.
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<parameter>points</parameter> is a PHP array containing the
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polygon's vertices, i.e. points[0] = x0, points[1] = y0, points[2]
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= x1, points[3] = y1, etc. <parameter>num_points</parameter> is
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the total number of points (vertices).
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</para>
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<para>
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<example>
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<title><function>imagepolygon</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 blank image
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$image = imagecreate(400, 300);
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// fill the background color
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$bg = imagecolorallocate($image, 0, 0, 0);
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// choose a color for the polygon
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$col_poly = imagecolorallocate($image, 255, 255, 255);
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// draw the polygon
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imagepolygon($image,
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array (
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0, 0,
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100, 200,
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300, 200
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),
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3,
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$col_poly);
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// output the picture
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header("Content-type: image/png");
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imagepng($image);
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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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<para>
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See also <function>imagecreate</function> and
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<function>imagecreatetruecolor</function>.
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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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