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libraries/joomla/document/image/image.php

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+<?php
+/**
+ * @package     Joomla.Platform
+ * @subpackage  Document
+ *
+ * @copyright   Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
+ * @license     GNU General Public License version 2 or later; see LICENSE
+ */
+
+defined('JPATH_PLATFORM') or die;
+
+/**
+ * DocumentImage class, provides an easy interface to output image data
+ *
+ * @package     Joomla.Platform
+ * @subpackage  Document
+ * @since       12.1
+ */
+class JDocumentImage extends JDocument
+{
+	/**
+	 * Class constructor
+	 *
+	 * @param   array  $options  Associative array of options
+	 *
+	 * @since   12.1
+	 */
+	public function __construct($options = array())
+	{
+		parent::__construct($options);
+
+		// Set mime type
+		$this->_mime = 'image/png';
+
+		// Set document type
+		$this->_type = 'image';
+	}
+
+	/**
+	 * Render the document.
+	 *
+	 * @param   boolean  $cache   If true, cache the output
+	 * @param   array    $params  Associative array of attributes
+	 *
+	 * @return  The rendered data
+	 *
+	 * @since   12.1
+	 */
+	public function render($cache = false, $params = array())
+	{
+		// Get the image type
+		$type = JFactory::getApplication()->input->get('type', 'png');
+
+		switch ($type)
+		{
+			case 'jpg':
+			case 'jpeg':
+				$this->_mime = 'image/jpeg';
+				break;
+			case 'gif':
+				$this->_mime = 'image/gif';
+				break;
+			case 'png':
+			default:
+				$this->_mime = 'image/png';
+				break;
+		}
+
+		$this->_charset = null;
+
+		parent::render();
+		return $this->getBuffer();
+	}
+}