public function isSupportedImageFormat($filename)
	{
		$info = new ImageInfo($filename);
		if ($info->hasError()) {
			$this->container->getLogger()->error($info->getError());
			return false;
		}

		if ( ! $this->isMimeTypeImage($info->getMime())) {
			return false;
		}

		return ImageProcessor\ImageProcessor::isSupportedImageType($info->getType());
	}