e width of the document. If this is <code>null</code>, the width of the largest page is used.</td></tr>
    <tr><td class="paramname">height</td><td>The height of the document. If this is <code>null</code>, the height of the largest page is used.</td></tr>
    <tr><td class="paramname">background</td><td>The background colour of the document. If this is <code>null</code>, a transparent background is used.</td></tr>
    <tr><td class="paramname">textOption</td><td>Defines whether text items should be convert