final public function imageAsDOMElement($as = null)
	{
		$dom   = new \DOMDocument('1.0', 'UTF-8');
		$image = $dom->appendChild($dom->createElement('img'));
		$image->setAttribute('height', $this->imageHeight());
		$image->setAttribute('width', $this->imageWidth());
		$image->setAttribute('alt', $this->alt_text);
		$image->setAttribute('src', $this->dataURI($as));
		return $image;
	}