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archived-doc-es/reference/image/functions/imagepolygon.xml
Richard Quadling 1fa367dd0d Native EOL
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git-svn-id: https://svn.php.net/repository/phpdoc/es/trunk@317671 c90b9560-bf6c-de11-be94-00142212c4b1
2011-10-03 16:59:17 +00:00

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XML

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: 96c9d88bad9a7d7d44bfb7f26c226df7ee9ddf26 Maintainer: seros Status: ready -->
<refentry xml:id="function.imagepolygon" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>imagepolygon</refname>
<refpurpose>Dibujar un polígono</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>imagepolygon</methodname>
<methodparam><type>resource</type><parameter>image</parameter></methodparam>
<methodparam><type>array</type><parameter>points</parameter></methodparam>
<methodparam><type>int</type><parameter>num_points</parameter></methodparam>
<methodparam><type>int</type><parameter>color</parameter></methodparam>
</methodsynopsis>
<para>
<function>imagepolygon</function> crea un polígono en la imagen
<parameter>image</parameter> dada.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
&gd.image.description;
<varlistentry>
<term><parameter>points</parameter></term>
<listitem>
<para>
Una matriz que contiene los vértices del polígono, p.ej.:
<informaltable>
<tgroup cols="2">
<tbody>
<row>
<entry>puntos[0]</entry>
<entry>= x0</entry>
</row>
<row>
<entry>puntos[1]</entry>
<entry>= y0</entry>
</row>
<row>
<entry>puntos[2]</entry>
<entry>= x1</entry>
</row>
<row>
<entry>puntos[3]</entry>
<entry>= y1</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>num_points</parameter></term>
<listitem>
<para>
Número total de puntos (vértices).
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>color</parameter></term>
<listitem>
<para>
Un indentificador de color creado con
<function>imagecolorallocate</function>.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.success;
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Ejemplo de <function>imagepolygon</function></title>
<programlisting role="php">
<![CDATA[
<?php
// Crear una imágen en blanco
$imagen = imagecreatetruecolor(400, 300);
// Asignar un color para el polígono
$col_poli = imagecolorallocate($imagen, 255, 255, 255);
// Dibujar el polígono
imagepolygon($imagen, array(
0, 0,
100, 200,
300, 200
),
3,
$col_poli);
// Imprimir la imagen al navagador
header('Content-type: image/png');
imagepng($imagen);
imagedestroy($imagen);
?>
]]>
</programlisting>
&example.outputs.similar;
<mediaobject>
<alt>Salida del ejemplo : imagepolygon()</alt>
<imageobject>
<imagedata fileref="en/reference/image/figures/imagepolygon.png"/>
</imageobject>
</mediaobject>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>imagecreate</function></member>
<member><function>imagecreatetruecolor</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
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sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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-->