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https://github.com/php/doc-es.git
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git-svn-id: https://svn.php.net/repository/phpdoc/es/trunk@337192 c90b9560-bf6c-de11-be94-00142212c4b1
151 lines
3.8 KiB
XML
151 lines
3.8 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: a08be5cd1e589aa206aaee6b20443b5b802bf1d5 Maintainer: seros Status: ready -->
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<!-- Reviewed: no -->
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<refentry xml:id='function.iptcembed' xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>iptcembed</refname>
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<refpurpose>Incluir información IPTC binaria en una imagen JPEG</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>mixed</type><methodname>iptcembed</methodname>
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<methodparam><type>string</type><parameter>iptcdata</parameter></methodparam>
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<methodparam><type>string</type><parameter>jpeg_file_name</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>spool</parameter><initializer>0</initializer></methodparam>
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</methodsynopsis>
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<para>
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Incluye información IPTC binaria en una imagen JPEG.
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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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<varlistentry>
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<term><parameter>iptcdata</parameter></term>
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<listitem>
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<para>
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La información que va a ser escrita.
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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>jpeg_file_name</parameter></term>
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<listitem>
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<para>
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Ruta a la imagen JPEG.
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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>spool</parameter></term>
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<listitem>
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<para>
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Bandera de spool. Si la bandera de spool es menor que 2, el JPEG será
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devuelto como una cadena. De lo contrario el JPEG será enviado a STDOUT.
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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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Si <parameter>spool</parameter> es menor que 2, se devolverá el JPEG,
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&return.falseforfailure;. De lo contrario devuelve &true; en caso de éxito
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&return.falseforfailure;.
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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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<example>
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<title>Incluir información IPTC a un JPEG</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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// Función iptc_make_tag() por Thies C. Arntzen
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function iptc_make_tag($rec, $data, $value)
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{
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$length = strlen($value);
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$retval = chr(0x1C) . chr($rec) . chr($data);
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if($length < 0x8000)
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{
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$retval .= chr($length >> 8) . chr($length & 0xFF);
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}
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else
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{
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$retval .= chr(0x80) .
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chr(0x04) .
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chr(($length >> 24) & 0xFF) .
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chr(($length >> 16) & 0xFF) .
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chr(($length >> 8) & 0xFF) .
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chr($length & 0xFF);
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}
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return $retval . $value;
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}
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// Ruta al fichero jpeg
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$ruta = './phplogo.jpg';
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// Establecer las etiquetas IPTC
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$iptc = array(
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'2#120' => 'Imagen de prueba',
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'2#116' => 'Copyright 2008-2009, The PHP Group'
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);
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// Convertir las etiquetas IPTC en código binario
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$data = '';
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foreach($iptc as $etiqueta => $cadena)
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{
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$etiqueta = substr($etiqueta, 2);
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$data .= iptc_make_tag(2, $etiqueta, $cadena);
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}
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// Incluir la información IPTC
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$contenido = iptcembed($data, $ruta);
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// Escribir la nueva información de la imagen en un fichero.
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$fp = fopen($ruta, "wb");
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fwrite($fp, $contenido);
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fclose($fp);
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?>
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]]>
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</programlisting>
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</example>
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</refsect1>
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<refsect1 role="notes">
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&reftitle.notes;
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¬e.gd.notrequired;
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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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