Mike42\Escpos\EscposImage::isImagickLoaded PHP Method

    public static function isImagickLoaded()
    {
        return extension_loaded('imagick');
    }

 public function __construct()
 {
     if (!EscposImage::isImagickLoaded()) {
         throw new Exception("ImagePrintBuffer requires the imagick extension");
     }
     $this->font = null;
     $this->fontSize = 24;
 }