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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structboost_1_1gil_1_1packed__image4__type.html">packed_image4_type&lt; BitField, Size1, Size2, Size3, Size4, Layout, Alloc &gt;</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the type of a four channel image given its bitfield type, the bit size of its channels and its layout.  <a href="structboost_1_1gil