his filter when resizing an image</td>
  </tr>

  <tr>
    <td><a href="command-line-options.html#flatten">-flatten</a></td>
    <td>flatten a sequence of images</td>
  </tr>

  <tr>
    <td><a href="command-line-options.html#flip">-flip</a></td>
    <td>flip image in the vertical direction</td>
  </tr>

  <tr>
    <td><a href="command-line-options.html#floodfill">-floodfill <var>geometry color</var></a></td>
    <td>floodfill the image with color</td>
  </tr>

  <tr>
    <td><a href="command-line-options.h