public function toDataSchemeURI()
	{
		$md5 = md5(microtime(1).rand(10000, 99999));
		$filePath = $this->tempDirPath() . DIRECTORY_SEPARATOR . "temp".$md5.".png";
		$this->saveTo($filePath);
		
		$uri = 'data:' . mime_content_type($filePath) . ';base64,';
		$uri .= base64_encode(file_get_contents($filePath));
		
		unlink($filePath);
		
		return $uri;
	}