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201 lines
4.9 KiB
201 lines
4.9 KiB
<?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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