ColorThief\Image\Adapter\ImagickImageAdapter::loadFile PHP Method

    public function loadFile($file)
    {
        $this->resource = null;
        try {
            $this->resource = new Imagick($file);
        } catch (\ImagickException $e) {
            throw new \RuntimeException("Image '" . $file . "' is not readable or does not exists.", 0, $e);
        }
    }