php-doc-en/reference/image/functions/imagecreatefromjpeg.xml
Christoph Michael Becker 235f3d10c6 Update GD docs wrt. to required versions
PHP 5.0.0 requires GD >= 2.0.4 anyway, so we can remove a lot of out-dated info.

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@339875 c90b9560-bf6c-de11-be94-00142212c4b1
2016-08-14 11:17:37 +00:00

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XML

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.imagecreatefromjpeg" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>imagecreatefromjpeg</refname>
<refpurpose>&gd.image.new;</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>resource</type><methodname>imagecreatefromjpeg</methodname>
<methodparam><type>string</type><parameter>filename</parameter></methodparam>
</methodsynopsis>
<para>
<function>imagecreatefromjpeg</function> returns an image identifier
representing the image obtained from the given filename.
</para>
&tip.fopen-wrapper;
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>filename</parameter></term>
<listitem>
<para>
Path to the JPEG image.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>&gd.return.identifier;</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<title>Example to handle an error during loading of a JPEG</title>
<programlisting role="php">
<![CDATA[
<?php
function LoadJpeg($imgname)
{
/* Attempt to open */
$im = @imagecreatefromjpeg($imgname);
/* See if it failed */
if(!$im)
{
/* Create a black 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/jpeg');
$img = LoadJpeg('bogus.image');
imagejpeg($img);
imagedestroy($img);
?>
]]>
</programlisting>
&example.outputs.similar;
<mediaobject>
<alt>Output of example : Example to handle an error during loading of a JPEG</alt>
<imageobject>
<imagedata fileref="en/reference/image/figures/imagecreatefromjpeg.jpg"/>
</imageobject>
</mediaobject>
</example>
</refsect1>
</refentry>
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