public function imageProcessor(array $config = [], $renew = false) {
		if (!empty($this->_imageProcessor) && $renew === false) {
			return $this->_imageProcessor;
		}
		$this->loadImageProcessingFromConfig();
		$class = $this->_imageProcessorClass;
		$this->_imageProcessor = new $class($config);

		return $this->_imageProcessor;
	}