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191 lines
5.1 KiB
XML
191 lines
5.1 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: 9960a09a5705102bf4dd0ce63e03d9ec716d0015 Maintainer: PhilDaiguille Status: ready -->
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<!-- Reviewed: no -->
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<refentry xml:id="function.imagepolygon" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>imagepolygon</refname>
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<refpurpose>Dibuja un polígono</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<simpara>Firma disponible a partir de PHP 8.0.0 (no soportada con argumentos nombrados)</simpara>
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<methodsynopsis>
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<type>bool</type><methodname>imagepolygon</methodname>
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<methodparam><type>GdImage</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>color</parameter></methodparam>
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</methodsynopsis>
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<simpara>Firma alternativa (deprecada a partir de PHP 8.1.0)</simpara>
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<methodsynopsis>
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<type>bool</type><methodname>imagepolygon</methodname>
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<methodparam><type>GdImage</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> dibuja un polígono en la imagen
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<parameter>image</parameter>.
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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>points</parameter></term>
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<listitem>
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<para>
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Un array que contiene los vértices del polígono, por ejemplo:
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<informaltable>
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<tgroup cols="2">
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<tbody>
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<row>
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<entry>points[0]</entry>
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<entry>= x0</entry>
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</row>
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<row>
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<entry>points[1]</entry>
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<entry>= y0</entry>
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</row>
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<row>
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<entry>points[2]</entry>
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<entry>= x1</entry>
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</row>
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<row>
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<entry>points[3]</entry>
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<entry>= y1</entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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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>num_points</parameter></term>
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<listitem>
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<para>
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Número total de puntos (vértices), que deben ser al menos 3.
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</para>
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<simpara>
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Si este argumento es omitido conforme a la segunda firma,
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<parameter>points</parameter> debe tener un número par de elementos, y
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<parameter>num_points</parameter> se asume como <code>count($points)/2</code>.
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</simpara>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>color</parameter></term>
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<listitem>
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<para>
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&gd.identifier.color;
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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.success;
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</para>
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</refsect1>
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<refsect1 role="changelog">
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&reftitle.changelog;
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<informaltable>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>&Version;</entry>
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<entry>&Description;</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>8.1.0</entry>
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<entry>
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El argumento <parameter>num_points</parameter> ha sido deprecado.
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</entry>
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</row>
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&gd.changelog.image-param;
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</tbody>
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</tgroup>
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</informaltable>
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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>Ejemplo con <function>imagepolygon</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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// Creación de una imagen vacía
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$image = imagecreatetruecolor(400, 300);
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// Asigna un color para el polígono
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$col_poly = imagecolorallocate($image, 255, 255, 255);
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// Dibuja el polígono
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imagepolygon($image, array(
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0, 0,
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100, 200,
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300, 200
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),
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$col_poly);
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// Muestra la imagen en el navegador
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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.outputs.similar;
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<mediaobject>
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<alt>Visualización del ejemplo: imagepolygon()</alt>
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<imageobject>
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<imagedata fileref="en/reference/image/figures/imagepolygon.png"/>
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</imageobject>
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</mediaobject>
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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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<simplelist>
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<member><function>imagefilledpolygon</function></member>
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<member><function>imageopenpolygon</function></member>
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<member><function>imagecreate</function></member>
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<member><function>imagecreatetruecolor</function></member>
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</simplelist>
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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:"~/.phpdoc/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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