public function getBorder(Image $image)
    {
        if (!$this->border) {
            return;
        }

        $values = explode(',', $this->border);

        $width = $this->getWidth($image, $this->getDpr(), isset($values[0]) ? $values[0] : null);
        $color = $this->getColor(isset($values[1]) ? $values[1] : null);
        $method = $this->getMethod(isset($values[2]) ? $values[2] : null);

        if ($width) {
            return [$width, $color, $method];
        }
    }