public function watermark($path = null)
    {
        if (is_null($path)) {
            $this->watermarkPath(config('images.watermark_path'));
        }
        $this->watermarkPath($path);
        $this->todo('watermark');

        return $this;
    }
public function watermark($path = null)
    {
        if (is_null($path)) {
            $this->watermarkPath(config('images.watermark_path'));
        }
        $this->watermarkPath($path);
        $this->todo('watermark');

        return $this;
    }
public function watermark ( $ path = null ) { if ( is_null ( $ path ) ) { $ this -> watermarkPath ( config ( 'images.watermark_path' ) ) ; } $ this -> watermarkPath ( $ path ) ; $ this -> todo ( 'watermark' ) ; return $ this ; }
Include watermark in thumbnail.

@param type|null $path Path to watermark

@return this
Include watermark in thumbnail .