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<?php
/**
* PHPExcel_Worksheet_MemoryDrawing
*
* Copyright (c) 2006 - 2015 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 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
* @version ##VERSION##, ##DATE##
*/
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;
}
}
}
}