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git-svn-id: https://svn.php.net/repository/phpdoc/es/trunk@336392 c90b9560-bf6c-de11-be94-00142212c4b1
123 lines
3.5 KiB
XML
123 lines
3.5 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: c5f1d257e1a51476b28fb220cfff2c5dd5e1232f Maintainer: seros Status: ready -->
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<!-- Reviewed: no -->
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<refentry xml:id="function.imagescale" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>imagescale</refname>
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<refpurpose>Redimensiona una imagen usando un nuevo ancho y alto</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>resource</type><methodname>imagescale</methodname>
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<methodparam><type>resource</type><parameter>image</parameter></methodparam>
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<methodparam><type>int</type><parameter>new_width</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>new_height</parameter><initializer>-1</initializer></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>mode</parameter><initializer>IMG_BILINEAR_FIXED</initializer></methodparam>
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</methodsynopsis>
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<para>
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<function>imagescale</function> redimensiona una imagen empleando el algoritmo
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de interpolación dado.
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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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<variablelist>
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&gd.image.description;
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<varlistentry>
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<term><parameter>new_width</parameter></term>
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<listitem>
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<para>
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El ancho al cual redimensionar la imagen.
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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>new_height</parameter></term>
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<listitem>
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<para>
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El alto al cual redimensionar la imagen. Si se omite o es negativo, la proporción
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de aspecto se preservará.
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</para>
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<caution>
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<para>
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Siempre se ha de proporcionar la altura si se utiliza PHP 5.5.18 o anterior, o
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PHP 5.6.2 o anterior, ya que el cálculo de la proporción de aspecto era incorrecto.
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</para>
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</caution>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>mode</parameter></term>
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<listitem>
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<para>
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Una de las constantes <constant>IMG_NEAREST_NEIGHBOUR</constant>,
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<constant>IMG_BILINEAR_FIXED</constant>,
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<constant>IMG_BICUBIC</constant>,
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<constant>IMG_BICUBIC_FIXED</constant> u otra cualquiera (usará dos
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pasadas).
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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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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Devuelve el recurso de la imagen redimensionada en caso de éxito &return.falseforfailure;.
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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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<para>
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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>5.5.19/5.6.3</entry>
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<entry>
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Se ha arreglado el cálculo de la altura si <parameter>new_height</parameter>
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era negativo o se omitía; antes de estas versiones, la proporción
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de aspecto no se mantenía correctamente.
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</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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</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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