mirror of
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153 lines
4.0 KiB
XML
153 lines
4.0 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 593ea510e853ff034e03f78a4be0daa41661c9d4 Maintainer: yannick Status: ready -->
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<!-- Reviewed: yes -->
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<refentry xml:id="function.imagecolorset" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>imagecolorset</refname>
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<refpurpose>Change la couleur dans une palette à l'index donné</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 class="union"><type>bool</type><type>null</type></type><methodname>imagecolorset</methodname>
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<methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
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<methodparam><type>int</type><parameter>color</parameter></methodparam>
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<methodparam><type>int</type><parameter>red</parameter></methodparam>
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<methodparam><type>int</type><parameter>green</parameter></methodparam>
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<methodparam><type>int</type><parameter>blue</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>alpha</parameter><initializer>0</initializer></methodparam>
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</methodsynopsis>
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<para>
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Permet d'attribuer à un index
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d'une palette une couleur spécifique. C'est une fonction très
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pratique pour effectuer du remplissage de couleur sans le faire
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réellement.
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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>color</parameter></term>
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<listitem>
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<para>
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Un index de la palette.
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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>red</parameter></term>
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<listitem>
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<para>&gd.value.red;</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>green</parameter></term>
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<listitem>
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<para>&gd.value.green;</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>blue</parameter></term>
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<listitem>
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<para>&gd.value.blue;</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>alpha</parameter></term>
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<listitem>
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<para>
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Valeur du composant alpha.
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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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The function returns &null; on success, &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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<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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&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>Exemple avec <function>imagecolorset</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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// Création d'une image de 300x100 pixels
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$im = imagecreate(300, 100);
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// Définit la couleur d'arrière-plan à rouge
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imagecolorallocate($im, 255, 0, 0);
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// Récupération de l'index de la couleur d'arrière-plan
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$bg = imagecolorat($im, 0, 0);
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// Définit la couleur d'arrière-plan à bleu
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imagecolorset($im, $bg, 0, 0, 255);
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// Affiche l'image dans le navigateur
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header('Content-Type: image/png');
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imagepng($im);
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imagedestroy($im);
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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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</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>imagecolorat</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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