File indexing completed on 2024-05-12 06:02:54

 <?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 
 /**
  * PDF file Resource abstraction
  *
  * @package    Zend_Pdf
  * @copyright  Copyright (c) 2005-2015 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;
     }
 }