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extend/phpexcel/PHPExcel/Worksheet/MemoryDrawing.php

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+<?php
+/**
+ * PHPExcel
+ *
+ * Copyright (c) 2006 - 2014 PHPExcel
+ *
+ * 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   PHPExcel
+ * @package    PHPExcel_Worksheet
+ * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
+ * @version    1.8.0, 2014-03-02
+ */
+
+
+/**
+ * PHPExcel_Worksheet_MemoryDrawing
+ *
+ * @category   PHPExcel
+ * @package    PHPExcel_Worksheet
+ * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
+ */
+class PHPExcel_Worksheet_MemoryDrawing extends PHPExcel_Worksheet_BaseDrawing implements PHPExcel_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 PHPExcel_Worksheet_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	$value resource
+     * @return PHPExcel_Worksheet_MemoryDrawing
+     */
+    public function setImageResource($value = null) {
+    	$this->_imageResource = $value;
+
+    	if (!is_null($this->_imageResource)) {
+	    	// Get width/height
+	    	$this->_width	= imagesx($this->_imageResource);
+	    	$this->_height	= imagesy($this->_imageResource);
+    	}
+    	return $this;
+    }
+
+    /**
+     * Get rendering function
+     *
+     * @return string
+     */
+    public function getRenderingFunction() {
+    	return $this->_renderingFunction;
+    }
+
+    /**
+     * Set rendering function
+     *
+     * @param string $value
+     * @return PHPExcel_Worksheet_MemoryDrawing
+     */
+    public function setRenderingFunction($value = PHPExcel_Worksheet_MemoryDrawing::RENDERING_DEFAULT) {
+    	$this->_renderingFunction = $value;
+    	return $this;
+    }
+
+    /**
+     * Get mime type
+     *
+     * @return string
+     */
+    public function getMimeType() {
+    	return $this->_mimeType;
+    }
+
+    /**
+     * Set mime type
+     *
+     * @param string $value
+     * @return PHPExcel_Worksheet_MemoryDrawing
+     */
+    public function setMimeType($value = PHPExcel_Worksheet_MemoryDrawing::MIMETYPE_DEFAULT) {
+    	$this->_mimeType = $value;
+    	return $this;
+    }
+
+    /**
+     * 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__
+    	);
+    }
+
+	/**
+	 * 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;
+			}
+		}
+	}
+}