--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Pdf/Resource.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,165 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Pdf
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Resource.php 22909 2010-08-27 19:57:48Z alexander $
+ */
+
+
+/**
+ * PDF file Resource abstraction
+ *
+ * @package    Zend_Pdf
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+abstract class Zend_Pdf_Resource
+{
+    /**
+     * Each Pdf resource (fonts, images, ...) interacts with a PDF itself.
+     * It creates appropriate PDF objects, structures and sometime embedded files.
+     * Resources are referenced in content streams by names, which are stored in
+     * a page resource dictionaries.
+     *
+     * Thus, resources must be attached to the PDF.
+     *
+     * Resource abstraction uses own PDF object factory to store all necessary information.
+     * At the render time internal object factory is appended to the global PDF file
+     * factory.
+     *
+     * Resource abstraction also cashes information about rendered PDF files and
+     * doesn't duplicate resource description each time then Resource is rendered
+     * (referenced).
+     *
+     * @var Zend_Pdf_ElementFactory_Interface
+     */
+    protected $_objectFactory;
+
+    /**
+     * Main resource object
+     *
+     * @var Zend_Pdf_Element_Object
+     */
+    protected $_resource;
+
+    /**
+     * Object constructor.
+     *
+     * If resource is not a Zend_Pdf_Element object, then stream object with specified value is
+     * generated.
+     *
+     * @param Zend_Pdf_Element|string $resource
+     */
+    public function __construct($resource)
+    {
+        if ($resource instanceof Zend_Pdf_Element_Object) {
+            $this->_objectFactory = $resource->getFactory();
+            $this->_resource      = $resource;
+
+            return;
+        }
+
+        require_once 'Zend/Pdf/ElementFactory.php';
+
+        $this->_objectFactory = Zend_Pdf_ElementFactory::createFactory(1);
+        if ($resource instanceof Zend_Pdf_Element) {
+            $this->_resource  = $this->_objectFactory->newObject($resource);
+        } else {
+            $this->_resource  = $this->_objectFactory->newStreamObject($resource);
+        }
+    }
+
+    /**
+     * Clone page, extract it and dependent objects from the current document,
+     * so it can be used within other docs.
+     */
+    public function __clone()
+    {
+        /** @todo implementation*/
+
+//        $factory = Zend_Pdf_ElementFactory::createFactory(1);
+//        $processed = array();
+//
+//        // Clone dictionary object.
+//        // Do it explicitly to prevent sharing resource attributes between different
+//        // results of clone operation (other resources are still shared)
+//        $dictionary = new Zend_Pdf_Element_Dictionary();
+//        foreach ($this->_pageDictionary->getKeys() as $key) {
+//         $dictionary->$key = $this->_pageDictionary->$key->makeClone($factory->getFactory(),
+//                                                                     $processed,
+//                                                                     Zend_Pdf_Element::CLONE_MODE_SKIP_PAGES);
+//        }
+//
+//        $this->_pageDictionary = $factory->newObject($dictionary);
+//        $this->_objectFactory  = $factory;
+//        $this->_attached       = false;
+//        $this->_style          = null;
+//        $this->_font           = null;
+    }
+
+    /**
+     * Clone resource, extract it and dependent objects from the current document,
+     * so it can be used within other docs.
+     *
+     * @internal
+     * @param Zend_Pdf_ElementFactory_Interface $factory
+     * @param array $processed
+     * @return Zend_Pdf_Page
+     */
+    public function cloneResource($factory, &$processed)
+    {
+        /** @todo implementation*/
+
+//        // Clone dictionary object.
+//        // Do it explicitly to prevent sharing page attributes between different
+//        // results of clonePage() operation (other resources are still shared)
+//        $dictionary = new Zend_Pdf_Element_Dictionary();
+//        foreach ($this->_pageDictionary->getKeys() as $key) {
+//            $dictionary->$key = $this->_pageDictionary->$key->makeClone($factory->getFactory(),
+//                                                                        $processed,
+//                                                                        Zend_Pdf_Element::CLONE_MODE_SKIP_PAGES);
+//        }
+//
+//        $clonedPage = new Zend_Pdf_Page($factory->newObject($dictionary), $factory);
+//        $clonedPage->_attached = false;
+//
+//        return $clonedPage;
+    }
+
+    /**
+     * Get resource.
+     * Used to reference resource in an internal PDF data structures (resource dictionaries)
+     *
+     * @internal
+     * @return Zend_Pdf_Element_Object
+     */
+    public function getResource()
+    {
+        return $this->_resource;
+    }
+
+    /**
+     * Get factory.
+     *
+     * @internal
+     * @return Zend_Pdf_ElementFactory_Interface
+     */
+    public function getFactory()
+    {
+        return $this->_objectFactory;
+    }
+}