public function draw(
        \Jdenticon\Rendering\RendererInterface $renderer, 
        \Jdenticon\Rendering\Rectangle $rect = null)
    {
        if ($rect === null) {
            $rect = $this->getIconBounds();
        }
        $this->iconGenerator->generate(
            $renderer, $rect, $this->style, $this->hash);
    }