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<div class="title">packed_dynamic_channel_reference<div class="ingroups"><a class="el" href="group___channel.html">Channel</a> &raquo; <a class="el" href="group___channel_model.html">Models</a></div></div>  </div>
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<p>Represents a reference proxy to a channel operating over a bit range whose offset is specified at run time. Models <a class="el" href="structboost_1_1gil_1_1_channel_concept.html" title="A channel is the building block of a color. Color is defined as a mixture of primary colors and a cha...">ChannelConcept</a>.  
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classboost_1_1gil_1_1packed__dynamic__channel__reference_3_01_bit_field_00_01_num_bits_00_01false_01_4.html">packed_dynamic_channel_reference&lt; BitField, NumBits, false &gt;</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Models a constant subbyte channel reference whose bit offset is a runtime parameter. Models <a class="el" href="structboost_1_1gil_1_1_channel_concept.html" title="A channel is the building block of a color. Color is defined as a mixture of primary colors and a cha...">ChannelConcept</a> Same as packed_channel_reference, except that the offset is a runtime parameter.  <a href="classboost_1_1gil_1_1packed__dynamic__channel__reference_3_01_bit_field_00_01_num_bits_00_01false_01_4.html#details">More...</a><br /></td></tr>
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<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Models a mutable subbyte channel reference whose bit offset is a runtime parameter. Models <a class="el" href="structboost_1_1gil_1_1_channel_concept.html" title="A channel is the building block of a color. Color is defined as a mixture of primary colors and a cha...">ChannelConcept</a> Same as packed_channel_reference, except that the offset is a runtime parameter.  <a href="classboost_1_1gil_1_1packed__dynamic__channel__reference_3_01_bit_field_00_01_num_bits_00_01true_01_4.html#details">More...</a><br /></td></tr>
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template&lt;typename BF , int NB, bool M, typename R &gt; </td></tr>
<tr class="memitem:ga787db0870b8b34244289b895ed8345e2"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group___packed_channel_dynamic_reference_model.html#ga787db0870b8b34244289b895ed8345e2">swap</a> (const boost::gil::packed_dynamic_channel_reference&lt; BF, NB, M &gt; x, R &amp;y)</td></tr>
<tr class="memdesc:ga787db0870b8b34244289b895ed8345e2"><td class="mdescLeft">&#160;</td><td class="mdescRight">swap for packed_dynamic_channel_reference <br /></td></tr>
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<tr class="memitem:gab7ea281b0cce57c44a9046f732e4112b"><td class="memTemplParams" colspan="2"><a id="gab7ea281b0cce57c44a9046f732e4112b"></a>
template&lt;typename BF , int NB, bool M&gt; </td></tr>
<tr class="memitem:gab7ea281b0cce57c44a9046f732e4112b"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group___packed_channel_dynamic_reference_model.html#gab7ea281b0cce57c44a9046f732e4112b">swap</a> (typename boost::gil::packed_dynamic_channel_reference&lt; BF, NB, M &gt;::value_type &amp;x, const boost::gil::packed_dynamic_channel_reference&lt; BF, NB, M &gt; y)</td></tr>
<tr class="memdesc:gab7ea281b0cce57c44a9046f732e4112b"><td class="mdescLeft">&#160;</td><td class="mdescRight">swap for packed_dynamic_channel_reference <br /></td></tr>
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template&lt;typename BF , int NB, bool M&gt; </td></tr>
<tr class="memitem:gac4c1b188cdeb2280d9c803726e4d2cdc"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group___packed_channel_dynamic_reference_model.html#gac4c1b188cdeb2280d9c803726e4d2cdc">swap</a> (const boost::gil::packed_dynamic_channel_reference&lt; BF, NB, M &gt; x, const boost::gil::packed_dynamic_channel_reference&lt; BF, NB, M &gt; y)</td></tr>
<tr class="memdesc:gac4c1b188cdeb2280d9c803726e4d2cdc"><td class="mdescLeft">&#160;</td><td class="mdescRight">swap for packed_dynamic_channel_reference <br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Represents a reference proxy to a channel operating over a bit range whose offset is specified at run time. Models <a class="el" href="structboost_1_1gil_1_1_channel_concept.html" title="A channel is the building block of a color. Color is defined as a mixture of primary colors and a cha...">ChannelConcept</a>. </p>
<p>Example: </p><div class="fragment"><div class="line"><span class="comment">// Reference to a 2-bit channel whose offset is specified at construction time</span></div><div class="line"><span class="keyword">using</span> bits2_dynamic_ref_t = packed_dynamic_channel_reference&lt;uint8_t,2,true&gt; <span class="keyword">const</span>;</div><div class="line"></div><div class="line">uint16_t data=0;</div><div class="line">bits2_dynamic_ref_t channel_ref(&amp;data,1);</div><div class="line">channel_ref = channel_traits&lt;bits2_dynamic_ref_t&gt;::max_value();     <span class="comment">// == 3</span></div><div class="line">assert(data == 6);                                                  <span class="comment">// == (3&lt;&lt;1) == 6</span></div></div><!-- fragment --> </div><!-- contents -->
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