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   9     <title>Generic Image Library: packed_image4_type&lt; BitField, Size1, Size2, Size3, Size4, Layout, Alloc &gt; Struct Template Reference</title>
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  42 <li class="navelem"><b>boost</b></li><li class="navelem"><b>gil</b></li><li class="navelem"><a class="el" href="structboost_1_1gil_1_1packed__image4__type.html">packed_image4_type</a></li>  </ul>
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  49 <div class="title">packed_image4_type&lt; BitField, Size1, Size2, Size3, Size4, Layout, Alloc &gt; Struct Template Reference<div class="ingroups"><a class="el" href="group___metafunctions.html">Metafunctions</a> &raquo; <a class="el" href="group___type_factory.html">Type Factory Metafunctions</a> &raquo; <a class="el" href="group___type_factory_from_elements.html">xxx_type</a> &raquo; <a class="el" href="group___type_factory_packed.html">packed_image_type,bit_aligned_image_type</a></div></div>  </div>
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  52
  53 <p>Returns the type of a four channel image given its bitfield type, the bit size of its channels and its layout.
  54  <a href="structboost_1_1gil_1_1packed__image4__type.html#details">More...</a></p>
  55
  56 <p><code>#include &lt;<a class="el" href="metafunctions_8hpp_source.html">metafunctions.hpp</a>&gt;</code></p>
  57 <div class="dynheader">
  58 Inheritance diagram for packed_image4_type&lt; BitField, Size1, Size2, Size3, Size4, Layout, Alloc &gt;:</div>
  59 <div class="dyncontent">
  60  <div class="center">
  61   <img src="structboost_1_1gil_1_1packed__image4__type.png" usemap="#packed_5Fimage4_5Ftype_3C_20BitField_2C_20Size1_2C_20Size2_2C_20Size3_2C_20Size4_2C_20Layout_2C_20Alloc_20_3E_map" alt=""/>
  62   <map id="packed_5Fimage4_5Ftype_3C_20BitField_2C_20Size1_2C_20Size2_2C_20Size3_2C_20Size4_2C_20Layout_2C_20Alloc_20_3E_map" name="packed_5Fimage4_5Ftype_3C_20BitField_2C_20Size1_2C_20Size2_2C_20Size3_2C_20Size4_2C_20Layout_2C_20Alloc_20_3E_map">
  63 <area href="structboost_1_1gil_1_1packed__image__type.html" alt="packed_image_type&lt; BitField, mp11::mp_list_c&lt; unsigned, Size1, Size2, Size3, Size4 &gt;, Layout, Alloc &gt;" shape="rect" coords="0,0,607,24"/>
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  66 <table class="memberdecls">
  67 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
  68 Additional Inherited Members</h2></td></tr>
  69 <tr class="inherit_header pub_types_structboost_1_1gil_1_1packed__image__type"><td colspan="2" onclick="javascript:toggleInherit('pub_types_structboost_1_1gil_1_1packed__image__type')"><img src="closed.png" alt="-"/>&#160;Public Types inherited from <a class="el" href="structboost_1_1gil_1_1packed__image__type.html">packed_image_type&lt; BitField, mp11::mp_list_c&lt; unsigned, Size1, Size2, Size3, Size4 &gt;, Layout, Alloc &gt;</a></td></tr>
  70 <tr class="memitem:a8382dec471a38fbd3425707b33dccc72 inherit pub_types_structboost_1_1gil_1_1packed__image__type"><td class="memItemLeft" align="right" valign="top"><a id="a8382dec471a38fbd3425707b33dccc72"></a>
  71 using&#160;</td><td class="memItemRight" valign="bottom"><b>type</b> = <a class="el" href="classboost_1_1gil_1_1image.html">image</a>&lt; typename <a class="el" href="structboost_1_1gil_1_1packed__pixel__type.html">packed_pixel_type</a>&lt; BitField, mp11::mp_list_c&lt; unsigned, Size1, Size2, Size3, Size4 &gt;, Layout &gt;::<a class="el" href="classboost_1_1gil_1_1image.html">type</a>, false, Alloc &gt;</td></tr>
  72 <tr class="separator:a8382dec471a38fbd3425707b33dccc72 inherit pub_types_structboost_1_1gil_1_1packed__image__type"><td class="memSeparator" colspan="2">&#160;</td></tr>
  73 </table>
  74 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
  75 <div class="textblock"><h3>template&lt;typename BitField, unsigned Size1, unsigned Size2, unsigned Size3, unsigned Size4, typename Layout, typename Alloc = std::allocator&lt;unsigned char&gt;&gt;<br />
  76 struct boost::gil::packed_image4_type&lt; BitField, Size1, Size2, Size3, Size4, Layout, Alloc &gt;</h3>
  77
  78 <p>Returns the type of a four channel image given its bitfield type, the bit size of its channels and its layout. </p>
  79 </div><hr/>The documentation for this struct was generated from the following file:<ul>
  80 <li><a class="el" href="metafunctions_8hpp_source.html">metafunctions.hpp</a></li>
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