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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 297028 $ -->
<refentry xml:id="function.imagejpeg" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>imagejpeg</refname>
<refpurpose>Output image to browser or file</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>imagejpeg</methodname>
<methodparam><type>resource</type><parameter>image</parameter></methodparam>
<methodparam choice="opt"><type>string</type><parameter>filename</parameter></methodparam>
<methodparam choice="opt"><type>int</type><parameter>quality</parameter></methodparam>
</methodsynopsis>
<para>
<function>imagejpeg</function> creates a <acronym>JPEG</acronym> file from
the given <parameter>image</parameter>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
&gd.image.description;
<varlistentry>
<term><parameter>filename</parameter></term>
<listitem>
<para>
The path to save the file to. If not set or &null;, the raw image stream
will be outputted directly.
</para>
<para>
To skip this argument in order to provide the
<parameter>quality</parameter> parameter, use &null;.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>quality</parameter></term>
<listitem>
<para>
<parameter>quality</parameter> is optional, and ranges from 0 (worst
quality, smaller file) to 100 (best quality, biggest file). The
default is the default IJG quality value (about 75).
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.success;
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Outputting a JPEG image</title>
<programlisting role="php">
<![CDATA[
<?php
// Create a blank image and add some text
$im = imagecreatetruecolor(120, 20);
$text_color = imagecolorallocate($im, 233, 14, 91);
imagestring($im, 1, 5, 5, 'A Simple Text String', $text_color);
// Set the content type header - in this case image/jpeg
header('Content-type: image/jpeg');
// Output the image
imagejpeg($im);
// Free up memory
imagedestroy($im);
?>
]]>
</programlisting>
&example.outputs.similar;
<mediaobject>
<alt>Output of example : Outputting a JPEG image</alt>
<imageobject>
<imagedata fileref="en/reference/image/figures/imagejpeg.jpg"/>
</imageobject>
</mediaobject>
</example>
</para>
<para>
<example>
<title>Saving a JPEG image</title>
<programlisting role="php">
<![CDATA[
<?php
// Create a blank image and add some text
$im = imagecreatetruecolor(120, 20);
$text_color = imagecolorallocate($im, 233, 14, 91);
imagestring($im, 1, 5, 5, 'A Simple Text String', $text_color);
// Save the image as 'simpletext.jpg'
imagejpeg($im, 'simpletext.jpg');
// Free up memory
imagedestroy($im);
?>
]]>
</programlisting>
</example>
</para>
<para>
<example>
<title>Outputting the image at 75% quality</title>
<programlisting role="php">
<![CDATA[
<?php
// Create a blank image and add some text
$im = imagecreatetruecolor(120, 20);
$text_color = imagecolorallocate($im, 233, 14, 91);
imagestring($im, 1, 5, 5, 'A Simple Text String', $text_color);
// Set the content type header - in this case image/jpeg
header('Content-type: image/jpeg');
// Skip the filename parameter using NULL, then set the quality to 75%
imagejpeg($im, NULL, 75);
// Free up memory
imagedestroy($im);
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
<refsect1 role="notes">
&reftitle.notes;
¬e.config.jpeg;
<note>
<para>
If you want to output Progressive JPEGs, you need to set interlacing
on with <function>imageinterlace</function>.
</para>
</note>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>imagepng</function></member>
<member><function>imagegif</function></member>
<member><function>imagewbmp</function></member>
<member><function>imageinterlace</function></member>
<member><function>imagetypes</function></member>
</simplelist>
</para>
</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"
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vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->
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