ness of the platform. On a big-endian machine, the
  first pixel is in the uppermost bit, on a little-endian
  machine the first pixel is in the least-significant bit. (Since 1.0)</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="CAIRO-FORMAT-RGB16-565:CAPS"></a>CAIRO_FORMAT_RGB16_565</p></td>
<td class="enum_member_description">
<p>each pixel is a 16-bit quantity
  with red in the upper 5 bits, then green in the middle
  6 bits, and blue in the lower 