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<?php
namespace PhpOffice\PhpSpreadsheet\Worksheet;
class MemoryDrawing extends BaseDrawing
{
// 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 MemoryDrawing.
*/
public function __construct()
{
// Initialise values
$this->imageResource = null;
$this->renderingFunction = self::RENDERING_DEFAULT;
$this->mimeType = self::MIMETYPE_DEFAULT;
$this->uniqueName = md5(mt_rand(0, 9999) . time() . mt_rand(0, 9999));
// Initialize parent
parent::__construct();
}
/**
* Get image resource.
*
* @return resource
*/
public function getImageResource()
{
return $this->imageResource;
}
/**
* Set image resource.
*
* @param resource $value
*
* @return $this
*/
public function setImageResource($value)
{
$this->imageResource = $value;
if ($this->imageResource !== null) {
// 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 see self::RENDERING_*
*
* @return $this
*/
public function setRenderingFunction($value)
{
$this->renderingFunction = $value;
return $this;
}
/**
* Get mime type.
*
* @return string
*/
public function getMimeType()
{
return $this->mimeType;
}
/**
* Set mime type.
*
* @param string $value see self::MIMETYPE_*
*
* @return $this
*/
public function setMimeType($value)
{
$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__
);
}
}
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