mirror of
https://github.com/sigmasternchen/php-doc-en
synced 2025-03-15 16:38:54 +00:00
137 lines
3.4 KiB
XML
137 lines
3.4 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
|
|
<!-- $Revision$ -->
|
|
<refentry xml:id="function.imagecreatefromgif" xmlns="http://docbook.org/ns/docbook">
|
|
<refnamediv>
|
|
<refname>imagecreatefromgif</refname>
|
|
<refpurpose>&gd.image.new;</refpurpose>
|
|
</refnamediv>
|
|
<refsect1 role="description">
|
|
&reftitle.description;
|
|
<methodsynopsis>
|
|
<type class="union"><type>GdImage</type><type>false</type></type><methodname>imagecreatefromgif</methodname>
|
|
<methodparam><type>string</type><parameter>filename</parameter></methodparam>
|
|
</methodsynopsis>
|
|
<para>
|
|
<function>imagecreatefromgif</function> returns an image identifier
|
|
representing the image obtained from the given filename.
|
|
</para>
|
|
<caution>
|
|
<para>
|
|
When reading GIF files into memory, only the first frame
|
|
is returned in the image object. The size of the image is not
|
|
necessarily what is reported by <function>getimagesize</function>.
|
|
</para>
|
|
</caution>
|
|
&tip.fopen-wrapper;
|
|
</refsect1>
|
|
<refsect1 role="parameters">
|
|
&reftitle.parameters;
|
|
<para>
|
|
<variablelist>
|
|
<varlistentry>
|
|
<term><parameter>filename</parameter></term>
|
|
<listitem>
|
|
<para>
|
|
Path to the GIF image.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
</variablelist>
|
|
</para>
|
|
</refsect1>
|
|
<refsect1 role="returnvalues">
|
|
&reftitle.returnvalues;
|
|
<para>&gd.return.identifier;</para>
|
|
</refsect1>
|
|
|
|
<refsect1 role="changelog">
|
|
&reftitle.changelog;
|
|
<informaltable>
|
|
<tgroup cols="2">
|
|
<thead>
|
|
<row>
|
|
<entry>&Version;</entry>
|
|
<entry>&Description;</entry>
|
|
</row>
|
|
</thead>
|
|
<tbody>
|
|
<row>
|
|
<entry>8.0.0</entry>
|
|
<entry>
|
|
On success, this function returns a <classname>GDImage</classname> instance now;
|
|
previously, a <type>resource</type> was returned.
|
|
</entry>
|
|
</row>
|
|
</tbody>
|
|
</tgroup>
|
|
</informaltable>
|
|
</refsect1>
|
|
|
|
<refsect1 role="examples">
|
|
&reftitle.examples;
|
|
<example>
|
|
<title>Example to handle an error during loading of a GIF</title>
|
|
<programlisting role="php">
|
|
<![CDATA[
|
|
<?php
|
|
function LoadGif($imgname)
|
|
{
|
|
/* Attempt to open */
|
|
$im = @imagecreatefromgif($imgname);
|
|
|
|
/* See if it failed */
|
|
if(!$im)
|
|
{
|
|
/* Create a blank image */
|
|
$im = imagecreatetruecolor (150, 30);
|
|
$bgc = imagecolorallocate ($im, 255, 255, 255);
|
|
$tc = imagecolorallocate ($im, 0, 0, 0);
|
|
|
|
imagefilledrectangle ($im, 0, 0, 150, 30, $bgc);
|
|
|
|
/* Output an error message */
|
|
imagestring ($im, 1, 5, 5, 'Error loading ' . $imgname, $tc);
|
|
}
|
|
|
|
return $im;
|
|
}
|
|
|
|
header('Content-Type: image/gif');
|
|
|
|
$img = LoadGif('bogus.image');
|
|
|
|
imagegif($img);
|
|
imagedestroy($img);
|
|
?>
|
|
]]>
|
|
</programlisting>
|
|
&example.outputs.similar;
|
|
<mediaobject>
|
|
<alt>Output of example : Example to handle an error during loading of a GIF</alt>
|
|
<imageobject>
|
|
<imagedata fileref="en/reference/image/figures/imagecreatefromgif.gif"/>
|
|
</imageobject>
|
|
</mediaobject>
|
|
</example>
|
|
</refsect1>
|
|
</refentry>
|
|
<!-- Keep this comment at the end of the file
|
|
Local variables:
|
|
mode: sgml
|
|
sgml-omittag:t
|
|
sgml-shorttag:t
|
|
sgml-minimize-attributes:nil
|
|
sgml-always-quote-attributes:t
|
|
sgml-indent-step:1
|
|
sgml-indent-data:t
|
|
indent-tabs-mode:nil
|
|
sgml-parent-document:nil
|
|
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
|
|
sgml-exposed-tags:nil
|
|
sgml-local-catalogs:nil
|
|
sgml-local-ecat-files:nil
|
|
End:
|
|
vim600: syn=xml fen fdm=syntax fdl=2 si
|
|
vim: et tw=78 syn=sgml
|
|
vi: ts=1 sw=1
|
|
-->
|