<?php
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								/**
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								 * PHPExcel_Worksheet_MemoryDrawing
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								 *
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								 * Copyright (c) 2006 - 2015 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 - 2015 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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								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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								    {
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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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								    {
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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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								    {
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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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								    {
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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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								    {
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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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								    {
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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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								    {
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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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								    {
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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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								    {
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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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								}
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