public function getContent()
    {
        $content = ($this->_size > 0 ? $this->getTypeAsRtfCode() : '')
            . '\brdrw' . $this->_size
            . '\brsp' . $this->_space;

        if ($this->_color && $this->_colorTable) {
            $colorIndex = $this->_colorTable->getColorIndex($this->_color);
            if ($colorIndex !== false) {
                $content .= '\brdrcf' . $colorIndex;
            }
        }

        return $content . ' ';
    }