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 <?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    $Id$
  */
 
 /** Zend_Pdf_ElementFactory_Interface */
 // require_once 'Zend/Pdf/ElementFactory/Interface.php';
 
 /**
  * PDF element factory interface.
  * Responsibility is to log PDF changes
  *
  * @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
  */
 class Zend_Pdf_ElementFactory_Proxy implements Zend_Pdf_ElementFactory_Interface
 {
     /**
      * Factory object
      *
      * @var Zend_Pdf_ElementFactory_Interface
      */
     private $_factory;
 
 
     /**
      * Object constructor
      *
      * @param Zend_Pdf_ElementFactory_Interface $factory
      */
     public function __construct(Zend_Pdf_ElementFactory_Interface $factory)
     {
         $this->_factory = $factory;
     }
 
     public function __destruct()
     {
         $this->_factory->close();
         $this->_factory = null;
     }
 
     /**
      * Get factory
      *
      * @return Zend_Pdf_ElementFactory_Interface
      */
     public function getFactory()
     {
         return $this->_factory->getFactory();
     }
 
     /**
      * Close factory and clean-up resources
      *
      * @internal
      */
     public function close()
     {
         // Do nothing
     }
 
     /**
      * Get source factory object
      *
      * @return Zend_Pdf_ElementFactory
      */
     public function resolve()
     {
         return $this->_factory->resolve();
     }
 
     /**
      * Get factory ID
      *
      * @return integer
      */
     public function getId()
     {
         return $this->_factory->getId();
     }
 
     /**
      * Set object counter
      *
      * @param integer $objCount
      */
     public function setObjectCount($objCount)
     {
         $this->_factory->setObjectCount($objCount);
     }
 
     /**
      * Get object counter
      *
      * @return integer
      */
     public function getObjectCount()
     {
         return $this->_factory->getObjectCount();
     }
 
     /**
      * Attach factory to the current;
      *
      * @param Zend_Pdf_ElementFactory_Interface $factory
      */
     public function attach(Zend_Pdf_ElementFactory_Interface $factory)
     {
         $this->_factory->attach($factory);
     }
 
     /**
      * Calculate object enumeration shift.
      *
      * @internal
      * @param Zend_Pdf_ElementFactory_Interface $factory
      * @return integer
      */
     public function calculateShift(Zend_Pdf_ElementFactory_Interface $factory)
     {
         return $this->_factory->calculateShift($factory);
     }
 
     /**
      * Clean enumeration shift cache.
      * Has to be used after PDF render operation to let followed updates be correct.
      *
      * @param Zend_Pdf_ElementFactory_Interface $factory
      * @return integer
      */
     public function cleanEnumerationShiftCache()
     {
         return $this->_factory->cleanEnumerationShiftCache();
     }
 
     /**
      * Retrive object enumeration shift.
      *
      * @param Zend_Pdf_ElementFactory_Interface $factory
      * @return integer
      * @throws Zend_Pdf_Exception
      */
     public function getEnumerationShift(Zend_Pdf_ElementFactory_Interface $factory)
     {
         return $this->_factory->getEnumerationShift($factory);
     }
 
     /**
      * Mark object as modified in context of current factory.
      *
      * @param Zend_Pdf_Element_Object $obj
      * @throws Zend_Pdf_Exception
      */
     public function markAsModified(Zend_Pdf_Element_Object $obj)
     {
         $this->_factory->markAsModified($obj);
     }
 
     /**
      * Remove object in context of current factory.
      *
      * @param Zend_Pdf_Element_Object $obj
      * @throws Zend_Pdf_Exception
      */
     public function remove(Zend_Pdf_Element_Object $obj)
     {
         $this->_factory->remove($obj);
     }
 
     /**
      * Generate new Zend_Pdf_Element_Object
      *
      * @todo Reusage of the freed object. It's not a support of new feature, but only improvement.
      *
      * @param Zend_Pdf_Element $objectValue
      * @return Zend_Pdf_Element_Object
      */
     public function newObject(Zend_Pdf_Element $objectValue)
     {
         return $this->_factory->newObject($objectValue);
     }
 
     /**
      * Generate new Zend_Pdf_Element_Object_Stream
      *
      * @todo Reusage of the freed object. It's not a support of new feature, but only improvement.
      *
      * @param mixed $objectValue
      * @return Zend_Pdf_Element_Object_Stream
      */
     public function newStreamObject($streamValue)
     {
         return $this->_factory->newStreamObject($streamValue);
     }
 
     /**
      * Enumerate modified objects.
      * Returns array of Zend_Pdf_UpdateInfoContainer
      *
      * @param Zend_Pdf_ElementFactory $rootFactory
      * @return array
      */
     public function listModifiedObjects($rootFactory = null)
     {
         return $this->_factory->listModifiedObjects($rootFactory);
     }
 
     /**
      * Check if PDF file was modified
      *
      * @return boolean
      */
     public function isModified()
     {
         return $this->_factory->isModified();
     }
 }