if ($this->thumbnail_image_width >= $this->thumbnail_width) {
            $aspectratio = $this->thumbnail_image_height / $this->thumbnail_image_width;
            if ($this->w) {
                $this->thumbnail_image_height = round($this->thumbnail_image_width * $aspectratio);
                $this->thumbnail_height       = ($this->h ?: $this->thumbnail_image_height);