>
        <li><span class="parameter">h</span>
            <span class="types"><span class="type">number</span></span>
         height
        </li>
    </ul>





</dd>
    <dt>
    <a name = "curve"></a>
    <strong>curve (x1, y1, x2, y2, x3, y3)</strong>
    </dt>
    <dd>
    draw curve (cubic Bézier spline).


    <h3>Parameters:</h3>
    <ul>
        <li><span class="parameter">x1</span>
            <span class="types"><span class="type">number</span></span>
         handle 1 x
        </li>
        