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2388 jpm 1 
<?php
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/**
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 * PHPExcel
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 *
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 * Copyright (c) 2006 - 2013 PHPExcel
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
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 *
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 * @category   PHPExcel
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 * @package    PHPExcel_Worksheet
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 * @copyright  Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)
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 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
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 * @version    ##VERSION##, ##DATE##
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 */
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/**
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 * PHPExcel_Worksheet_MemoryDrawing
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 *
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 * @category   PHPExcel
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 * @package    PHPExcel_Worksheet
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 * @copyright  Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)
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 */
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class PHPExcel_Worksheet_MemoryDrawing extends PHPExcel_Worksheet_BaseDrawing implements PHPExcel_IComparable
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{
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	/* Rendering functions */
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	const RENDERING_DEFAULT					= 'imagepng';
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	const RENDERING_PNG						= 'imagepng';
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	const RENDERING_GIF						= 'imagegif';
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	const RENDERING_JPEG					= 'imagejpeg';
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	/* MIME types */
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	const MIMETYPE_DEFAULT					= 'image/png';
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	const MIMETYPE_PNG						= 'image/png';
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	const MIMETYPE_GIF						= 'image/gif';
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	const MIMETYPE_JPEG						= 'image/jpeg';
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	/**
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	 * Image resource
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	 *
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	 * @var resource
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	 */
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	private $_imageResource;
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	/**
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	 * Rendering function
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	 *
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	 * @var string
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	 */
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	private $_renderingFunction;
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	/**
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	 * Mime type
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	 *
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	 * @var string
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	 */
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	private $_mimeType;
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	/**
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	 * Unique name
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	 *
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	 * @var string
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	 */
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	private $_uniqueName;
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    /**
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     * Create a new PHPExcel_Worksheet_MemoryDrawing
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     */
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    public function __construct()
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    {
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    	// Initialise values
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    	$this->_imageResource		= null;
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    	$this->_renderingFunction 	= self::RENDERING_DEFAULT;
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    	$this->_mimeType			= self::MIMETYPE_DEFAULT;
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    	$this->_uniqueName			= md5(rand(0, 9999). time() . rand(0, 9999));
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    	// Initialize parent
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    	parent::__construct();
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    }
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    /**
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     * Get image resource
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     *
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     * @return resource
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     */
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    public function getImageResource() {
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    	return $this->_imageResource;
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    }
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    /**
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     * Set image resource
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     *
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     * @param	$value resource
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     * @return PHPExcel_Worksheet_MemoryDrawing
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     */
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    public function setImageResource($value = null) {
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    	$this->_imageResource = $value;
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    	if (!is_null($this->_imageResource)) {
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	    	// Get width/height
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	    	$this->_width	= imagesx($this->_imageResource);
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	    	$this->_height	= imagesy($this->_imageResource);
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    	}
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    	return $this;
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    }
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    /**
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     * Get rendering function
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     *
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     * @return string
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     */
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    public function getRenderingFunction() {
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    	return $this->_renderingFunction;
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    }
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    /**
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     * Set rendering function
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     *
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     * @param string $value
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     * @return PHPExcel_Worksheet_MemoryDrawing
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     */
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    public function setRenderingFunction($value = PHPExcel_Worksheet_MemoryDrawing::RENDERING_DEFAULT) {
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    	$this->_renderingFunction = $value;
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    	return $this;
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    }
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    /**
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     * Get mime type
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     *
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     * @return string
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     */
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    public function getMimeType() {
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    	return $this->_mimeType;
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    }
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    /**
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     * Set mime type
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     *
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     * @param string $value
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     * @return PHPExcel_Worksheet_MemoryDrawing
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     */
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    public function setMimeType($value = PHPExcel_Worksheet_MemoryDrawing::MIMETYPE_DEFAULT) {
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    	$this->_mimeType = $value;
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    	return $this;
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    }
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    /**
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     * Get indexed filename (using image index)
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     *
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     * @return string
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     */
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    public function getIndexedFilename() {
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		$extension 	= strtolower($this->getMimeType());
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		$extension 	= explode('/', $extension);
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		$extension 	= $extension[1];
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    	return $this->_uniqueName . $this->getImageIndex() . '.' . $extension;
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    }
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	/**
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	 * Get hash code
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	 *
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	 * @return string	Hash code
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	 */
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	public function getHashCode() {
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    	return md5(
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    		  $this->_renderingFunction
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    		. $this->_mimeType
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    		. $this->_uniqueName
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    		. parent::getHashCode()
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    		. __CLASS__
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    	);
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    }
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	/**
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	 * Implement PHP __clone to create a deep clone, not just a shallow copy.
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	 */
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	public function __clone() {
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		$vars = get_object_vars($this);
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		foreach ($vars as $key => $value) {
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			if (is_object($value)) {
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				$this->$key = clone $value;
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			} else {
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				$this->$key = $value;
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			}
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		}
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	}
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}