From 19985dbb8c0aa66dc4bf7905abc1148de909097d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Anton=20Luka=20=C5=A0ijanec?= <anton@sijanec.eu>
Date: Tue, 11 Jan 2022 12:35:47 +0100
Subject: prvi-commit

---
 .../libs/PHPPowerPoint/Shape/BaseDrawing.php       | 272 ++++++++++++++++++
 .../export/libs/PHPPowerPoint/Shape/Drawing.php    | 185 ++++++++++++
 .../libs/PHPPowerPoint/Shape/MemoryDrawing.php     | 235 +++++++++++++++
 .../export/libs/PHPPowerPoint/Shape/RichText.php   | 264 +++++++++++++++++
 .../libs/PHPPowerPoint/Shape/RichText/Break.php    |  88 ++++++
 .../PHPPowerPoint/Shape/RichText/ITextElement.php  |  67 +++++
 .../libs/PHPPowerPoint/Shape/RichText/Run.php      | 110 ++++++++
 .../PHPPowerPoint/Shape/RichText/TextElement.php   | 113 ++++++++
 .../export/libs/PHPPowerPoint/Shape/Shadow.php     | 314 +++++++++++++++++++++
 9 files changed, 1648 insertions(+)
 create mode 100644 admin/survey/export/libs/PHPPowerPoint/Shape/BaseDrawing.php
 create mode 100644 admin/survey/export/libs/PHPPowerPoint/Shape/Drawing.php
 create mode 100644 admin/survey/export/libs/PHPPowerPoint/Shape/MemoryDrawing.php
 create mode 100644 admin/survey/export/libs/PHPPowerPoint/Shape/RichText.php
 create mode 100644 admin/survey/export/libs/PHPPowerPoint/Shape/RichText/Break.php
 create mode 100644 admin/survey/export/libs/PHPPowerPoint/Shape/RichText/ITextElement.php
 create mode 100644 admin/survey/export/libs/PHPPowerPoint/Shape/RichText/Run.php
 create mode 100644 admin/survey/export/libs/PHPPowerPoint/Shape/RichText/TextElement.php
 create mode 100644 admin/survey/export/libs/PHPPowerPoint/Shape/Shadow.php

(limited to 'admin/survey/export/libs/PHPPowerPoint/Shape')

diff --git a/admin/survey/export/libs/PHPPowerPoint/Shape/BaseDrawing.php b/admin/survey/export/libs/PHPPowerPoint/Shape/BaseDrawing.php
new file mode 100644
index 0000000..6ce6d94
--- /dev/null
+++ b/admin/survey/export/libs/PHPPowerPoint/Shape/BaseDrawing.php
@@ -0,0 +1,272 @@
+<?php
+/**
+ * PHPPowerPoint
+ *
+ * Copyright (c) 2009 - 2010 PHPPowerPoint
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * @category   PHPPowerPoint
+ * @package    PHPPowerPoint_Shape
+ * @copyright  Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
+ * @version    0.1.0, 2009-04-27
+ */
+
+
+/** PHPPowerPoint_IComparable */
+require_once 'PHPPowerPoint/IComparable.php';
+
+/** PHPPowerPoint_Shape */
+require_once 'PHPPowerPoint/Shape.php';
+
+/**
+ * PHPPowerPoint_Shape_BaseDrawing
+ *
+ * @category   PHPPowerPoint
+ * @package    PHPPowerPoint_Shape
+ * @copyright  Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)
+ */
+abstract class PHPPowerPoint_Shape_BaseDrawing extends PHPPowerPoint_Shape implements PHPPowerPoint_IComparable
+{		
+	/**
+	 * Image counter
+	 *
+	 * @var int
+	 */
+	private static $_imageCounter = 0;
+	
+	/**
+	 * Image index
+	 *
+	 * @var int
+	 */
+	private $_imageIndex = 0;
+	
+	/**
+	 * Name
+	 *
+	 * @var string
+	 */
+	protected $_name;
+	
+	/**
+	 * Description
+	 *
+	 * @var string
+	 */
+	protected $_description;
+
+	/**
+	 * Proportional resize
+	 *
+	 * @var boolean
+	 */
+	protected $_resizeProportional;
+	
+    /**
+     * Create a new PHPPowerPoint_Slide_BaseDrawing
+     */
+    public function __construct()
+    {
+    	// Initialise values
+    	$this->_name				= '';
+    	$this->_description			= '';
+    	$this->_resizeProportional	= true;
+		
+		// Set image index
+		self::$_imageCounter++;
+		$this->_imageIndex 			= self::$_imageCounter;
+		
+    	// Initialize parent
+    	parent::__construct();
+    }
+	
+    /**
+     * Get image index
+     *
+     * @return int
+     */
+    public function getImageIndex() {
+    	return $this->_imageIndex;
+    }
+       
+    /**
+     * Get Name
+     *
+     * @return string
+     */
+    public function getName() {
+    	return $this->_name;
+    }
+    
+    /**
+     * Set Name
+     *
+     * @param string $pValue
+     */
+    public function setName($pValue = '') {
+    	$this->_name = $pValue;
+    }
+    
+    /**
+     * Get Description
+     *
+     * @return string
+     */
+    public function getDescription() {
+    	return $this->_description;
+    }
+    
+    /**
+     * Set Description
+     *
+     * @param string $pValue
+     */
+    public function setDescription($pValue = '') {
+    	$this->_description = $pValue;
+    }
+
+    /**
+     * Set Width
+     *
+     * @param int $pValue
+     */
+    public function setWidth($pValue = 0) {
+    	// Resize proportional?
+    	if ($this->_resizeProportional && $pValue != 0) {
+    		$ratio = $this->_height / $this->_width;    		
+    		$this->_height = round($ratio * $pValue);
+    	}
+    	
+    	// Set width
+    	$this->_width = $pValue;
+    }
+    
+    /**
+     * Set Height
+     *
+     * @param int $pValue
+     */
+    public function setHeight($pValue = 0) {
+    	// Resize proportional?
+    	if ($this->_resizeProportional && $pValue != 0) {
+    		$ratio = $this->_width / $this->_height;   		
+    		$this->_width = round($ratio * $pValue);
+    	}
+    	
+    	// Set height
+    	$this->_height = $pValue;
+    }
+    
+    /**
+     * Set width and height with proportional resize
+     * @author Vincent@luo MSN:kele_100@hotmail.com
+     * @param int $width
+     * @param int $height
+     * @example $objDrawing->setResizeProportional(true);
+     * @example $objDrawing->setWidthAndHeight(160,120);
+     */
+	public function setWidthAndHeight($width = 0, $height = 0) {
+		$xratio = $width / $this->_width;
+		$yratio = $height / $this->_height;
+		if ($this->_resizeProportional && !($width == 0 || $height == 0)) {
+			if (($xratio * $this->_height) < $height) {
+				$this->_height = ceil($xratio * $this->_height);
+				$this->_width  = $width;
+			} else {
+				$this->_width	= ceil($yratio * $this->_width);
+				$this->_height	= $height;
+			}
+		}
+	}
+    
+    /**
+     * Get ResizeProportional
+     *
+     * @return boolean
+     */
+    public function getResizeProportional() {
+    	return $this->_resizeProportional;
+    }
+    
+    /**
+     * Set ResizeProportional
+     *
+     * @param boolean $pValue
+     */
+    public function setResizeProportional($pValue = true) {
+    	$this->_resizeProportional = $pValue;
+    }
+
+	/**
+	 * Get hash code
+	 *
+	 * @return string	Hash code
+	 */	
+	public function getHashCode() {
+    	return md5(
+    		  $this->_name
+    		. $this->_description    		
+    		. parent::getHashCode()
+    		. __CLASS__
+    	);
+    }
+    
+    /**
+     * Hash index
+     *
+     * @var string
+     */
+    private $_hashIndex;
+    
+	/**
+	 * Get hash index
+	 * 
+	 * Note that this index may vary during script execution! Only reliable moment is
+	 * while doing a write of a workbook and when changes are not allowed.
+	 *
+	 * @return string	Hash index
+	 */
+	public function getHashIndex() {
+		return $this->_hashIndex;
+	}
+	
+	/**
+	 * Set hash index
+	 * 
+	 * Note that this index may vary during script execution! Only reliable moment is
+	 * while doing a write of a workbook and when changes are not allowed.
+	 *
+	 * @param string	$value	Hash index
+	 */
+	public function setHashIndex($value) {
+		$this->_hashIndex = $value;
+	}
+        
+	/**
+	 * Implement PHP __clone to create a deep clone, not just a shallow copy.
+	 */
+	public function __clone() {
+		$vars = get_object_vars($this);
+		foreach ($vars as $key => $value) {
+			if (is_object($value)) {
+				$this->$key = clone $value;
+			} else {
+				$this->$key = $value;
+			}
+		}
+	}
+}
diff --git a/admin/survey/export/libs/PHPPowerPoint/Shape/Drawing.php b/admin/survey/export/libs/PHPPowerPoint/Shape/Drawing.php
new file mode 100644
index 0000000..feeab3c
--- /dev/null
+++ b/admin/survey/export/libs/PHPPowerPoint/Shape/Drawing.php
@@ -0,0 +1,185 @@
+<?php
+/**
+ * PHPPowerPoint
+ *
+ * Copyright (c) 2009 - 2010 PHPPowerPoint
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * @category   PHPPowerPoint
+ * @package    PHPPowerPoint_Shape
+ * @copyright  Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
+ * @version    0.1.0, 2009-04-27
+ */
+
+
+/** PHPPowerPoint_IComparable */
+require_once 'PHPPowerPoint/IComparable.php';
+
+/** PHPPowerPoint_Shape*/
+require_once 'PHPPowerPoint/Shape.php';
+
+/** PHPPowerPoint_Shape_BaseDrawing */
+require_once 'PHPPowerPoint/Shape/BaseDrawing.php';
+
+
+/**
+ * PHPPowerPoint_Shape_Drawing
+ *
+ * @category   PHPPowerPoint
+ * @package    PHPPowerPoint_Shape
+ * @copyright  Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)
+ */
+class PHPPowerPoint_Shape_Drawing extends PHPPowerPoint_Shape_BaseDrawing implements PHPPowerPoint_IComparable 
+{		
+	/**
+	 * Path
+	 *
+	 * @var string
+	 */
+	private $_path;
+	
+    /**
+     * Create a new PHPPowerPoint_Slide_Drawing
+     */
+    public function __construct()
+    {
+    	// Initialise values
+    	$this->_path				= '';
+    	
+    	// Initialize parent
+    	parent::__construct();
+    }
+    
+    /**
+     * Get Filename
+     *
+     * @return string
+     */
+    public function getFilename() {
+    	return basename($this->_path);
+    }
+	
+    /**
+     * Get indexed filename (using image index)
+     *
+     * @return string
+     */
+    public function getIndexedFilename() {
+    	return str_replace('.' . $this->getExtension(), '', $this->getFilename()) . $this->getImageIndex() . '.' . $this->getExtension();
+    }
+    
+    /**
+     * Get Extension
+     *
+     * @return string
+     */
+    public function getExtension() {
+    	$exploded = explode(".", basename($this->_path));
+    	return $exploded[count($exploded) - 1];
+    }
+    
+    /**
+     * Get Path
+     *
+     * @return string
+     */
+    public function getPath() {
+    	return $this->_path;
+    }
+    
+    /**
+     * Set Path
+     *
+     * @param 	string 		$pValue			File path
+     * @param 	boolean		$pVerifyFile	Verify file
+     * @throws 	Exception
+     */
+    public function setPath($pValue = '', $pVerifyFile = true) {
+    	if ($pVerifyFile) {
+	    	if (file_exists($pValue)) {
+	    		$this->_path = $pValue;
+	    		
+	    		if ($this->_width == 0 && $this->_height == 0) {
+	    			// Get width/height
+	    			list($this->_width, $this->_height) = getimagesize($pValue);
+	    		}
+	    	} else {
+	    		throw new Exception("File $pValue not found!");
+	    	}
+    	} else {
+    		$this->_path = $pValue;
+    	}
+    }
+
+	/**
+	 * Get hash code
+	 *
+	 * @return string	Hash code
+	 */	
+	public function getHashCode() {
+    	return md5(
+    		  $this->_path
+    		. parent::getHashCode()
+    		. __CLASS__
+    	);
+    }
+    
+    /**
+     * Hash index
+     *
+     * @var string
+     */
+    private $_hashIndex;
+    
+	/**
+	 * Get hash index
+	 * 
+	 * Note that this index may vary during script execution! Only reliable moment is
+	 * while doing a write of a workbook and when changes are not allowed.
+	 *
+	 * @return string	Hash index
+	 */
+	public function getHashIndex() {
+		return $this->_hashIndex;
+	}
+	
+	/**
+	 * Set hash index
+	 * 
+	 * Note that this index may vary during script execution! Only reliable moment is
+	 * while doing a write of a workbook and when changes are not allowed.
+	 *
+	 * @param string	$value	Hash index
+	 */
+	public function setHashIndex($value) {
+		$this->_hashIndex = $value;
+	}
+        
+	/**
+	 * Implement PHP __clone to create a deep clone, not just a shallow copy.
+	 */
+	public function __clone() {
+		$vars = get_object_vars($this);
+		foreach ($vars as $key => $value) {
+			if (is_object($value)) {
+				$this->$key = clone $value;
+			} else {
+				$this->$key = $value;
+			}
+		}
+	}
+}
diff --git a/admin/survey/export/libs/PHPPowerPoint/Shape/MemoryDrawing.php b/admin/survey/export/libs/PHPPowerPoint/Shape/MemoryDrawing.php
new file mode 100644
index 0000000..604b671
--- /dev/null
+++ b/admin/survey/export/libs/PHPPowerPoint/Shape/MemoryDrawing.php
@@ -0,0 +1,235 @@
+<?php
+/**
+ * PHPPowerPoint
+ *
+ * Copyright (c) 2009 - 2010 PHPPowerPoint
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * @category   PHPPowerPoint
+ * @package    PHPPowerPoint_Shape
+ * @copyright  Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
+ * @version    0.1.0, 2009-04-27
+ */
+
+
+/** PHPPowerPoint_IComparable */
+require_once 'PHPPowerPoint/IComparable.php';
+
+/** PHPPowerPoint_Shape */
+require_once 'PHPPowerPoint/Shape.php';
+
+/** PHPPowerPoint_Shape_BaseDrawing */
+require_once 'PHPPowerPoint/Shape/BaseDrawing.php';
+
+
+/**
+ * PHPPowerPoint_Shape_MemoryDrawing
+ *
+ * @category   PHPPowerPoint
+ * @package    PHPPowerPoint_Shape
+ * @copyright  Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)
+ */
+class PHPPowerPoint_Shape_MemoryDrawing extends PHPPowerPoint_Shape_BaseDrawing implements PHPPowerPoint_IComparable 
+{	
+	/* Rendering functions */
+	const RENDERING_DEFAULT					= 'imagepng';
+	const RENDERING_PNG						= 'imagepng';
+	const RENDERING_GIF						= 'imagegif';
+	const RENDERING_JPEG					= 'imagejpeg';
+	
+	/* MIME types */
+	const MIMETYPE_DEFAULT					= 'image/png';
+	const MIMETYPE_PNG						= 'image/png';
+	const MIMETYPE_GIF						= 'image/gif';
+	const MIMETYPE_JPEG						= 'image/jpeg';
+	
+	/**
+	 * Image resource
+	 *
+	 * @var resource
+	 */
+	private $_imageResource;
+	
+	/**
+	 * Rendering function
+	 *
+	 * @var string
+	 */
+	private $_renderingFunction;
+	
+	/**
+	 * Mime type
+	 *
+	 * @var string
+	 */
+	private $_mimeType;
+	
+	/**
+	 * Unique name
+	 *
+	 * @var string
+	 */
+	private $_uniqueName;
+	
+    /**
+     * Create a new PHPPowerPoint_Slide_MemoryDrawing
+     */
+    public function __construct()
+    {
+    	// Initialise values
+    	$this->_imageResource		= null;
+    	$this->_renderingFunction 	= self::RENDERING_DEFAULT;
+    	$this->_mimeType			= self::MIMETYPE_DEFAULT;
+    	$this->_uniqueName			= md5(rand(0, 9999). time() . rand(0, 9999));
+    	
+    	// Initialize parent
+    	parent::__construct();
+    }
+    
+    /**
+     * Get image resource
+     *
+     * @return resource
+     */
+    public function getImageResource() {
+    	return $this->_imageResource;
+    }
+    
+    /**
+     * Set image resource
+     *
+     * @param	$value resource
+     */
+    public function setImageResource($value = null) {
+    	$this->_imageResource = $value;
+    	
+    	if (!is_null($this->_imageResource)) {
+	    	// Get width/height
+	    	$this->_width	= imagesx($this->_imageResource);
+	    	$this->_height	= imagesy($this->_imageResource);
+    	}
+    }
+    
+    /**
+     * Get rendering function
+     *
+     * @return string
+     */
+    public function getRenderingFunction() {
+    	return $this->_renderingFunction;
+    }
+    
+    /**
+     * Set rendering function
+     *
+     * @param string $value
+     */
+    public function setRenderingFunction($value = PHPPowerPoint_Slide_MemoryDrawing::RENDERING_DEFAULT) {
+    	$this->_renderingFunction = $value;
+    }
+    
+    /**
+     * Get mime type
+     *
+     * @return string
+     */
+    public function getMimeType() {
+    	return $this->_mimeType;
+    }
+    
+    /**
+     * Set mime type
+     *
+     * @param string $value
+     */
+    public function setMimeType($value = PHPPowerPoint_Slide_MemoryDrawing::MIMETYPE_DEFAULT) {
+    	$this->_mimeType = $value;
+    }
+    
+    /**
+     * Get indexed filename (using image index)
+     *
+     * @return string
+     */
+    public function getIndexedFilename() {
+		$extension 	= strtolower($this->getMimeType());
+		$extension 	= explode('/', $extension);
+		$extension 	= $extension[1];
+					
+    	return $this->_uniqueName . $this->getImageIndex() . '.' . $extension;
+    }
+
+	/**
+	 * Get hash code
+	 *
+	 * @return string	Hash code
+	 */	
+	public function getHashCode() {
+    	return md5(
+    		  $this->_renderingFunction
+    		. $this->_mimeType
+    		. $this->_uniqueName
+    		. parent::getHashCode()
+    		. __CLASS__
+    	);
+    }
+    
+    /**
+     * Hash index
+     *
+     * @var string
+     */
+    private $_hashIndex;
+    
+	/**
+	 * Get hash index
+	 * 
+	 * Note that this index may vary during script execution! Only reliable moment is
+	 * while doing a write of a workbook and when changes are not allowed.
+	 *
+	 * @return string	Hash index
+	 */
+	public function getHashIndex() {
+		return $this->_hashIndex;
+	}
+	
+	/**
+	 * Set hash index
+	 * 
+	 * Note that this index may vary during script execution! Only reliable moment is
+	 * while doing a write of a workbook and when changes are not allowed.
+	 *
+	 * @param string	$value	Hash index
+	 */
+	public function setHashIndex($value) {
+		$this->_hashIndex = $value;
+	}
+        
+	/**
+	 * Implement PHP __clone to create a deep clone, not just a shallow copy.
+	 */
+	public function __clone() {
+		$vars = get_object_vars($this);
+		foreach ($vars as $key => $value) {
+			if (is_object($value)) {
+				$this->$key = clone $value;
+			} else {
+				$this->$key = $value;
+			}
+		}
+	}
+}
diff --git a/admin/survey/export/libs/PHPPowerPoint/Shape/RichText.php b/admin/survey/export/libs/PHPPowerPoint/Shape/RichText.php
new file mode 100644
index 0000000..ee2929c
--- /dev/null
+++ b/admin/survey/export/libs/PHPPowerPoint/Shape/RichText.php
@@ -0,0 +1,264 @@
+<?php
+/**
+ * PHPPowerPoint
+ *
+ * Copyright (c) 2009 - 2010 PHPPowerPoint
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * @category   PHPPowerPoint
+ * @package    PHPPowerPoint_Shape
+ * @copyright  Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
+ * @version    0.1.0, 2009-04-27
+ */
+
+
+/** PHPPowerPoint_IComparable */
+require_once 'PHPPowerPoint/IComparable.php';
+
+/** PHPPowerPoint_Shape */
+require_once 'PHPPowerPoint/Shape.php';
+
+/** PHPPowerPoint_Shape_RichText_ITextElement */
+require_once 'PHPPowerPoint/Shape/RichText/ITextElement.php';
+
+/** PHPPowerPoint_Shape_RichText_TextElement */
+require_once 'PHPPowerPoint/Shape/RichText/TextElement.php';
+
+/** PHPPowerPoint_Shape_RichText_Run */
+require_once 'PHPPowerPoint/Shape/RichText/Run.php';
+
+/** PHPPowerPoint_Shape_RichText_Break */
+require_once 'PHPPowerPoint/Shape/RichText/Break.php';
+
+/** PHPPowerPoint_Style_Alignment */
+require_once 'PHPPowerPoint/Style/Alignment.php';
+
+/**
+ * PHPPowerPoint_Shape_RichText
+ *
+ * @category   PHPPowerPoint
+ * @package    PHPPowerPoint_RichText
+ * @copyright  Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)
+ */
+class PHPPowerPoint_Shape_RichText extends PHPPowerPoint_Shape implements PHPPowerPoint_IComparable
+{
+	/**
+	 * Rich text elements
+	 *
+	 * @var PHPPowerPoint_Shape_RichText_ITextElement[]
+	 */
+	private $_richTextElements;
+	
+	/**
+	 * Alignment
+	 * 
+	 * @var PHPPowerPoint_Style_Alignment
+	 */
+	private $_alignment;
+	   
+    /**
+     * Create a new PHPPowerPoint_Shape_RichText instance
+     */
+    public function __construct()
+    {
+    	// Initialise variables
+    	$this->_richTextElements = array();
+    	$this->_alignment = new PHPPowerPoint_Style_Alignment();
+    	
+    	// Initialize parent
+    	parent::__construct();
+    }
+    
+    /**
+     * Get alignment
+     * 
+     * @return PHPPowerPoint_Style_Alignment
+     */
+    public function getAlignment()
+    {
+    	return $this->_alignment;
+    }
+    
+    /**
+     * Add text
+     *
+     * @param 	PHPPowerPoint_Shape_RichText_ITextElement		$pText		Rich text element
+     * @throws 	Exception
+     */
+    public function addText(PHPPowerPoint_Shape_RichText_ITextElement $pText = null)
+    {
+    	$this->_richTextElements[] = $pText;
+    }
+    
+    /**
+     * Create text (can not be formatted !)
+     *
+     * @param 	string	$pText	Text
+     * @return	PHPPowerPoint_Shape_RichText_TextElement
+     * @throws 	Exception
+     */
+    public function createText($pText = '')
+    {
+    	$objText = new PHPPowerPoint_Shape_RichText_TextElement($pText);
+    	$this->addText($objText);
+    	return $objText;
+    }
+    
+    /**
+     * Create break
+     *
+     * @return	PHPPowerPoint_Shape_RichText_Break
+     * @throws 	Exception
+     */
+    public function createBreak()
+    {
+    	$objText = new PHPPowerPoint_Shape_RichText_Break();
+    	$this->addText($objText);
+    	return $objText;
+    }
+    
+    /**
+     * Create text run (can be formatted)
+     *
+     * @param 	string	$pText	Text
+     * @return	PHPPowerPoint_Shape_RichText_Run
+     * @throws 	Exception
+     */
+    public function createTextRun($pText = '')
+    {
+    	$objText = new PHPPowerPoint_Shape_RichText_Run($pText);
+    	$this->addText($objText);
+    	return $objText;
+    }
+    
+    /**
+     * Get plain text
+     *
+     * @return string
+     */
+    public function getPlainText()
+    {
+    	// Return value
+    	$returnValue = '';
+    	
+    	// Loop trough all PHPPowerPoint_Shape_RichText_ITextElement
+    	foreach ($this->_richTextElements as $text) {
+    		$returnValue .= $text->getText();
+    	}
+    	
+    	// Return
+    	return $returnValue;
+    }
+    
+    /**
+     * Convert to string
+     *
+     * @return string
+     */
+    public function __toString() {
+    	return $this->getPlainText();
+    }
+    
+    /**
+     * Get Rich Text elements
+     *
+     * @return PHPPowerPoint_Shape_RichText_ITextElement[]
+     */
+    public function getRichTextElements()
+    {
+    	return $this->_richTextElements;
+    }
+    
+    /**
+     * Set Rich Text elements
+     *
+     * @param 	PHPPowerPoint_Shape_RichText_ITextElement[]	$pElements		Array of elements
+     * @throws 	Exception
+     */
+    public function setRichTextElements($pElements = null)
+    {
+    	if (is_array($pElements)) {
+    		$this->_richTextElements = $pElements;
+    	} else {
+    		throw new Exception("Invalid PHPPowerPoint_Shape_RichText_ITextElement[] array passed.");
+    	}
+    }
+    
+	/**
+	 * Get hash code
+	 *
+	 * @return string	Hash code
+	 */	
+	public function getHashCode() {
+		$hashElements = '';
+		foreach ($this->_richTextElements as $element) {
+			$hashElements .= $element->getHashCode();
+		}
+		
+    	return md5(
+    		  $hashElements
+    		. __CLASS__
+    	);
+    }
+    
+    /**
+     * Hash index
+     *
+     * @var string
+     */
+    private $_hashIndex;
+    
+	/**
+	 * Get hash index
+	 * 
+	 * Note that this index may vary during script execution! Only reliable moment is
+	 * while doing a write of a workbook and when changes are not allowed.
+	 *
+	 * @return string	Hash index
+	 */
+	public function getHashIndex() {
+		return $this->_hashIndex;
+	}
+	
+	/**
+	 * Set hash index
+	 * 
+	 * Note that this index may vary during script execution! Only reliable moment is
+	 * while doing a write of a workbook and when changes are not allowed.
+	 *
+	 * @param string	$value	Hash index
+	 */
+	public function setHashIndex($value) {
+		$this->_hashIndex = $value;
+	}
+    
+	/**
+	 * Implement PHP __clone to create a deep clone, not just a shallow copy.
+	 */
+	public function __clone() {
+		$vars = get_object_vars($this);
+		foreach ($vars as $key => $value) {
+			if ($key == '_parent') continue;
+			
+			if (is_object($value)) {
+				$this->$key = clone $value;
+			} else {
+				$this->$key = $value;
+			}
+		}
+	}
+}
diff --git a/admin/survey/export/libs/PHPPowerPoint/Shape/RichText/Break.php b/admin/survey/export/libs/PHPPowerPoint/Shape/RichText/Break.php
new file mode 100644
index 0000000..2cef083
--- /dev/null
+++ b/admin/survey/export/libs/PHPPowerPoint/Shape/RichText/Break.php
@@ -0,0 +1,88 @@
+<?php
+/**
+ * PHPPowerPoint
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * @category   PHPPowerPoint
+ * @package    PHPPowerPoint_RichText
+ * @copyright  Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
+ * @version    0.1.0, 2009-04-27
+ */
+
+
+/** PHPPowerPoint_Shape_RichText_ITextElement */
+require_once 'PHPPowerPoint/Shape/RichText/ITextElement.php';
+
+/** PHPPowerPoint_Style_Font */
+require_once 'PHPPowerPoint/Style/Font.php';
+
+
+/**
+ * PHPPowerPoint_Shape_RichText_Break
+ *
+ * @category   PHPPowerPoint
+ * @package    PHPPowerPoint_Shape
+ * @copyright  Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)
+ */
+class PHPPowerPoint_Shape_RichText_Break implements PHPPowerPoint_Shape_RichText_ITextElement
+{
+    /**
+     * Create a new PHPPowerPoint_Shape_RichText_Break instance
+     */
+    public function __construct()
+    {
+    }
+	
+	/**
+	 * Get text
+	 *
+	 * @return string	Text
+	 */	
+	public function getText() 
+	{
+		return "\r\n";
+	}
+	
+	/**
+	 * Set text
+	 *
+	 * @param 	$pText string	Text
+	 */	
+	public function setText($pText = '') 
+	{
+	}
+	
+	/**
+	 * Get font
+	 *
+	 * @return PHPPowerPoint_Style_Font
+	 */	
+	public function getFont() {
+		return null;
+	}
+	
+	/**
+	 * Get hash code
+	 *
+	 * @return string	Hash code
+	 */	
+	public function getHashCode() {
+    	return md5(
+    		  __CLASS__
+    	);
+    }
+}
diff --git a/admin/survey/export/libs/PHPPowerPoint/Shape/RichText/ITextElement.php b/admin/survey/export/libs/PHPPowerPoint/Shape/RichText/ITextElement.php
new file mode 100644
index 0000000..5b0b42d
--- /dev/null
+++ b/admin/survey/export/libs/PHPPowerPoint/Shape/RichText/ITextElement.php
@@ -0,0 +1,67 @@
+<?php
+/**
+ * PHPPowerPoint
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * @category   PHPPowerPoint
+ * @package    PHPPowerPoint_Shape
+ * @copyright  Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
+ * @version    0.1.0, 2009-04-27
+ */
+
+
+/** PHPPowerPoint_Style_Font */
+require_once 'PHPPowerPoint/Style/Font.php';
+
+
+/**
+ * PHPPowerPoint_Shape_RichText_ITextElement
+ *
+ * @category   PHPPowerPoint
+ * @package    PHPPowerPoint_Shape
+ * @copyright  Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)
+ */
+interface PHPPowerPoint_Shape_RichText_ITextElement
+{
+	/**
+	 * Get text
+	 *
+	 * @return string	Text
+	 */	
+	public function getText();
+	
+	/**
+	 * Set text
+	 *
+	 * @param 	$pText string	Text
+	 */	
+	public function setText($pText = '');
+	
+	/**
+	 * Get font
+	 *
+	 * @return PHPPowerPoint_Style_Font
+	 */	
+	public function getFont();
+	
+	/**
+	 * Get hash code
+	 *
+	 * @return string	Hash code
+	 */	
+	public function getHashCode();
+}
diff --git a/admin/survey/export/libs/PHPPowerPoint/Shape/RichText/Run.php b/admin/survey/export/libs/PHPPowerPoint/Shape/RichText/Run.php
new file mode 100644
index 0000000..5ea5525
--- /dev/null
+++ b/admin/survey/export/libs/PHPPowerPoint/Shape/RichText/Run.php
@@ -0,0 +1,110 @@
+<?php
+/**
+ * PHPPowerPoint
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * @category   PHPPowerPoint
+ * @package    PHPPowerPoint_Shape
+ * @copyright  Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
+ * @version    0.1.0, 2009-04-27
+ */
+
+
+/** PHPPowerPoint_Shape_RichText_ITextElement */
+require_once 'PHPPowerPoint/Shape/RichText/ITextElement.php';
+
+/** PHPPowerPoint_Shape_RichText_TextElement */
+require_once 'PHPPowerPoint/Shape/RichText/TextElement.php';
+
+/** PHPPowerPoint_Style_Font */
+require_once 'PHPPowerPoint/Style/Font.php';
+
+
+/**
+ * PHPPowerPoint_Shape_RichText_Run
+ *
+ * @category   PHPPowerPoint
+ * @package    PHPPowerPoint_Shape
+ * @copyright  Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)
+ */
+class PHPPowerPoint_Shape_RichText_Run extends PHPPowerPoint_Shape_RichText_TextElement implements PHPPowerPoint_Shape_RichText_ITextElement
+{	
+	/**
+	 * Font
+	 *
+	 * @var PHPPowerPoint_Style_Font
+	 */
+	private $_font;
+	
+    /**
+     * Create a new PHPPowerPoint_Shape_RichText_Run instance
+     *
+     * @param 	string		$pText		Text
+     */
+    public function __construct($pText = '')
+    {
+    	// Initialise variables
+    	$this->setText($pText);
+    	$this->_font = new PHPPowerPoint_Style_Font();
+    }
+	
+	/**
+	 * Get font
+	 *
+	 * @return PHPPowerPoint_Style_Font
+	 */	
+	public function getFont() {
+		return $this->_font;
+	}
+	
+	/**
+	 * Set font
+	 *
+	 * @param	PHPPowerPoint_Style_Font		$pFont		Font
+	 * @throws 	Exception
+	 */	
+	public function setFont(PHPPowerPoint_Style_Font $pFont = null) {
+		$this->_font = $pFont;
+	}
+	
+	/**
+	 * Get hash code
+	 *
+	 * @return string	Hash code
+	 */	
+	public function getHashCode() {
+    	return md5(
+    		  $this->getText()
+    		. $this->_font->getHashCode()
+    		. __CLASS__
+    	);
+    }
+	    
+	/**
+	 * Implement PHP __clone to create a deep clone, not just a shallow copy.
+	 */
+	public function __clone() {
+		$vars = get_object_vars($this);
+		foreach ($vars as $key => $value) {
+			if (is_object($value)) {
+				$this->$key = clone $value;
+			} else {
+				$this->$key = $value;
+			}
+		}
+	}
+}
diff --git a/admin/survey/export/libs/PHPPowerPoint/Shape/RichText/TextElement.php b/admin/survey/export/libs/PHPPowerPoint/Shape/RichText/TextElement.php
new file mode 100644
index 0000000..b92f607
--- /dev/null
+++ b/admin/survey/export/libs/PHPPowerPoint/Shape/RichText/TextElement.php
@@ -0,0 +1,113 @@
+<?php
+/**
+ * PHPPowerPoint
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * @category   PHPPowerPoint
+ * @package    PHPPowerPoint_RichText
+ * @copyright  Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
+ * @version    0.1.0, 2009-04-27
+ */
+
+
+/** PHPPowerPoint_Shape_RichText_ITextElement */
+require_once 'PHPPowerPoint/Shape/RichText/ITextElement.php';
+
+/** PHPPowerPoint_Style_Font */
+require_once 'PHPPowerPoint/Style/Font.php';
+
+
+/**
+ * PHPPowerPoint_Shape_RichText_TextElement
+ *
+ * @category   PHPPowerPoint
+ * @package    PHPPowerPoint_Shape
+ * @copyright  Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)
+ */
+class PHPPowerPoint_Shape_RichText_TextElement implements PHPPowerPoint_Shape_RichText_ITextElement
+{
+	/**
+	 * Text
+	 *
+	 * @var string
+	 */
+	private $_text;
+	
+    /**
+     * Create a new PHPPowerPoint_Shape_RichText_TextElement instance
+     *
+     * @param 	string		$pText		Text
+     */
+    public function __construct($pText = '')
+    {
+    	// Initialise variables
+    	$this->_text = $pText;
+    }
+	
+	/**
+	 * Get text
+	 *
+	 * @return string	Text
+	 */	
+	public function getText() {
+		return $this->_text;
+	}
+	
+	/**
+	 * Set text
+	 *
+	 * @param 	$pText string	Text
+	 */	
+	public function setText($pText = '') {
+		$this->_text = $pText;
+	}
+	
+	/**
+	 * Get font
+	 *
+	 * @return PHPPowerPoint_Style_Font
+	 */	
+	public function getFont() {
+		return null;
+	}
+	
+	/**
+	 * Get hash code
+	 *
+	 * @return string	Hash code
+	 */	
+	public function getHashCode() {
+    	return md5(
+    		  $this->_text
+    		. __CLASS__
+    	);
+    }
+	    
+	/**
+	 * Implement PHP __clone to create a deep clone, not just a shallow copy.
+	 */
+	public function __clone() {
+		$vars = get_object_vars($this);
+		foreach ($vars as $key => $value) {
+			if (is_object($value)) {
+				$this->$key = clone $value;
+			} else {
+				$this->$key = $value;
+			}
+		}
+	}
+}
diff --git a/admin/survey/export/libs/PHPPowerPoint/Shape/Shadow.php b/admin/survey/export/libs/PHPPowerPoint/Shape/Shadow.php
new file mode 100644
index 0000000..c3a1e6d
--- /dev/null
+++ b/admin/survey/export/libs/PHPPowerPoint/Shape/Shadow.php
@@ -0,0 +1,314 @@
+<?php
+/**
+ * PHPPowerPoint
+ *
+ * Copyright (c) 2009 - 2010 PHPPowerPoint
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * @category   PHPPowerPoint
+ * @package    PHPPowerPoint_Shape
+ * @copyright  Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
+ * @version    0.1.0, 2009-04-27
+ */
+
+
+/** PHPPowerPoint_IComparable */
+require_once 'PHPPowerPoint/IComparable.php';
+
+/** PHPPowerPoint_Slide */
+require_once 'PHPPowerPoint/Slide.php';
+
+/** PHPPowerPoint_Style_Color */
+require_once 'PHPPowerPoint/Style/Color.php';
+
+/**
+ * PHPPowerPoint_Shape_Shadow
+ *
+ * @category   PHPPowerPoint
+ * @package    PHPPowerPoint_Shape
+ * @copyright  Copyright (c) 2009 - 2010 PHPPowerPoint (http://www.codeplex.com/PHPPowerPoint)
+ */
+class PHPPowerPoint_Shape_Shadow implements PHPPowerPoint_IComparable
+{		
+	/* Shadow alignment */
+	const SHADOW_BOTTOM							= 'b';
+	const SHADOW_BOTTOM_LEFT					= 'bl';
+	const SHADOW_BOTTOM_RIGHT					= 'br';
+	const SHADOW_CENTER							= 'ctr';
+	const SHADOW_LEFT							= 'l';
+	const SHADOW_TOP							= 't';
+	const SHADOW_TOP_LEFT						= 'tl';
+	const SHADOW_TOP_RIGHT						= 'tr';							
+
+	/**
+	 * Visible
+	 *
+	 * @var boolean
+	 */
+	private $_visible;
+	
+	/**
+	 * Blur radius
+	 *
+	 * Defaults to 6
+	 *
+	 * @var int
+	 */
+	private $_blurRadius;
+	
+	/**
+	 * Shadow distance
+	 *
+	 * Defaults to 2
+	 *
+	 * @var int
+	 */
+	private $_distance;
+	
+	/**
+	 * Shadow direction (in degrees)
+	 *
+	 * @var int
+	 */
+	private $_direction;
+	
+	/**
+	 * Shadow alignment
+	 *
+	 * @var int
+	 */
+	private $_alignment;
+	
+	/**
+	 * Color
+	 * 
+	 * @var PHPPowerPoint_Style_Color
+	 */
+	private $_color;
+	
+	/**
+	 * Alpha
+	 *
+	 * @var int
+	 */
+	private $_alpha;
+		
+    /**
+     * Create a new PHPPowerPoint_Shape_Shadow
+     */
+    public function __construct()
+    {
+    	// Initialise values
+    	$this->_visible				= false;
+    	$this->_blurRadius			= 6;
+    	$this->_distance			= 2;
+    	$this->_direction			= 0;
+    	$this->_alignment			= self::SHADOW_BOTTOM_RIGHT;
+    	$this->_color				= new PHPPowerPoint_Style_Color(PHPPowerPoint_Style_Color::COLOR_BLACK);
+    	$this->_alpha				= 50;
+    }
+    
+    /**
+     * Get Visible
+     *
+     * @return boolean
+     */
+    public function getVisible() {
+    	return $this->_visible;
+    }
+    
+    /**
+     * Set Visible
+     *
+     * @param boolean $pValue
+     */
+    public function setVisible($pValue = false) {
+    	$this->_visible = $pValue;
+    }
+    
+    /**
+     * Get Blur radius
+     *
+     * @return int
+     */
+    public function getBlurRadius() {
+    	return $this->_blurRadius;
+    }
+    
+    /**
+     * Set Blur radius
+     *
+     * @param int $pValue
+     */
+    public function setBlurRadius($pValue = 6) {
+    	$this->_blurRadius = $pValue;
+    }
+    
+    /**
+     * Get Shadow distance
+     *
+     * @return int
+     */
+    public function getDistance() {
+    	return $this->_distance;
+    }
+    
+    /**
+     * Set Shadow distance
+     *
+     * @param int $pValue
+     */
+    public function setDistance($pValue = 2) {
+    	$this->_distance = $pValue;
+    }
+    
+    /**
+     * Get Shadow direction (in degrees)
+     *
+     * @return int
+     */
+    public function getDirection() {
+    	return $this->_direction;
+    }
+    
+    /**
+     * Set Shadow direction (in degrees)
+     *
+     * @param int $pValue
+     */
+    public function setDirection($pValue = 0) {
+    	$this->_direction = $pValue;
+    }
+    
+   /**
+     * Get Shadow alignment
+     *
+     * @return int
+     */
+    public function getAlignment() {
+    	return $this->_alignment;
+    }
+    
+    /**
+     * Set Shadow alignment
+     *
+     * @param int $pValue
+     */
+    public function setAlignment($pValue = 0) {
+    	$this->_alignment = $pValue;
+    }
+    
+   /**
+     * Get Color
+     *
+     * @return PHPPowerPoint_Style_Color
+     */
+    public function getColor() {
+    	return $this->_color;
+    }
+    
+    /**
+     * Set Color
+     *
+     * @param 	PHPPowerPoint_Style_Color $pValue
+     * @throws 	Exception
+     */
+    public function setColor(PHPPowerPoint_Style_Color $pValue = null) {
+   		$this->_color = $pValue;
+    }
+    
+   /**
+     * Get Alpha
+     *
+     * @return int
+     */
+    public function getAlpha() {
+    	return $this->_alpha;
+    }
+    
+    /**
+     * Set Alpha
+     *
+     * @param int $pValue
+     */
+    public function setAlpha($pValue = 0) {
+    	$this->_alpha = $pValue;
+    }
+
+	/**
+	 * Get hash code
+	 *
+	 * @return string	Hash code
+	 */	
+	public function getHashCode() {
+    	return md5(
+    		  ($this->_visible ? 't' : 'f')
+    		. $this->_blurRadius
+    		. $this->_distance
+    		. $this->_direction
+    		. $this->_alignment
+    		. $this->_color->getHashCode()
+    		. $this->_alpha
+    		. __CLASS__
+    	);
+    }
+    
+    /**
+     * Hash index
+     *
+     * @var string
+     */
+    private $_hashIndex;
+    
+	/**
+	 * Get hash index
+	 * 
+	 * Note that this index may vary during script execution! Only reliable moment is
+	 * while doing a write of a workbook and when changes are not allowed.
+	 *
+	 * @return string	Hash index
+	 */
+	public function getHashIndex() {
+		return $this->_hashIndex;
+	}
+	
+	/**
+	 * Set hash index
+	 * 
+	 * Note that this index may vary during script execution! Only reliable moment is
+	 * while doing a write of a workbook and when changes are not allowed.
+	 *
+	 * @param string	$value	Hash index
+	 */
+	public function setHashIndex($value) {
+		$this->_hashIndex = $value;
+	}
+        
+	/**
+	 * Implement PHP __clone to create a deep clone, not just a shallow copy.
+	 */
+	public function __clone() {
+		$vars = get_object_vars($this);
+		foreach ($vars as $key => $value) {
+			if (is_object($value)) {
+				$this->$key = clone $value;
+			} else {
+				$this->$key = $value;
+			}
+		}
+	}
+}
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