 (filename)</strong>
    </dt>
    <dd>
    load png into an image buffer


    <h3>Parameters:</h3>
    <ul>
        <li><span class="parameter">filename</span>



        </li>
    </ul>





</dd>
    <dt>
    <a name = "create_image"></a>
    <strong>create_image (width, height)</strong>
    </dt>
    <dd>
    create an image buffer


    <h3>Parameters:</h3>
    <ul>
        <li><span class="parameter">width</span>
            <span class="types"><span class="type">number</span></span>
         image w