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https://github.com/sigmasternchen/php-doc-en
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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@169869 c90b9560-bf6c-de11-be94-00142212c4b1
76 lines
2 KiB
XML
76 lines
2 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.5 $ -->
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<refentry id="function.imagerotate">
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<refnamediv>
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<refname>imagerotate</refname>
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<refpurpose>Rotate an image with a given angle</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>resource</type><methodname>imagerotate</methodname>
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<methodparam><type>resource</type><parameter>src_im</parameter></methodparam>
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<methodparam><type>float</type><parameter>angle</parameter></methodparam>
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<methodparam><type>int</type><parameter>bgd_color</parameter></methodparam>
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</methodsynopsis>
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<para>
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Rotates the <parameter>src_im</parameter> image using a given
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<parameter>angle</parameter> in degrees. <parameter>bgd_color</parameter>
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specifies the color of the uncovered zone after the rotation.
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</para>
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<para>
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The center of rotation is the center of the image, and the rotated
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image is scaled down so that the whole rotated image fits in the
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destination image - the edges are not clipped.
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</para>
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<para>
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<example>
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<title>Rotate an image 180 degrees</title>
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<para>
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This example rotates an image 180 degrees - upside down.
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</para>
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<programlisting role="php">
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<![CDATA[
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// File and rotation
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$filename = 'test.jpg';
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$degrees = 180;
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// Content type
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header('Content-type: image/jpeg');
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// Load
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$source = imagecreatefromjpeg($filename);
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// Rotate
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$rotate = imagerotate($source, $degrees, 0);
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// Output
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imagejpeg($rotate);
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]]>
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</programlisting>
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</example>
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</para>
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¬e.bundled.gd;
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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:"../../../../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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