public function run(Image $image)
    {
        if ($watermark = $this->getImage($image)) {
            $markw = $this->getDimension($image, 'markw');
            $markh = $this->getDimension($image, 'markh');
            $markx = $this->getDimension($image, 'markx');
            $marky = $this->getDimension($image, 'marky');
            $markpad = $this->getDimension($image, 'markpad');
            $markfit = $this->getFit();
            $markpos = $this->getPosition();
            $markalpha = $this->getAlpha();

            if ($markpad) {
                $markx = $marky = $markpad;
            }

            $size = new Size();
            $size->setParams([
                'w' => $markw,
                'h' => $markh,
                'fit' => $markfit,
            ]);
            $watermark = $size->run($watermark);

            if ($markalpha < 100) {
                $watermark->opacity($markalpha);
            }

            $image->insert($watermark, $markpos, intval($markx), intval($marky));
        }

        return $image;
    }