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<div class="headertitle"><div class="title">packed_dynamic_channel_reference<div class="ingroups"><a class="el" href="group___channel.html">Channel</a> » <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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Classes</h2></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </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< BitField, NumBits, false ></a></td></tr>
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<tr class="memdesc:"><td class="mdescLeft"> </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="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </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_01true_01_4.html">packed_dynamic_channel_reference< BitField, NumBits, true ></a></td></tr>
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<tr class="memdesc:"><td class="mdescLeft"> </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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Functions</h2></td></tr>
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template<typename BF , int NB, bool M, typename R > </td></tr>
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<tr class="memitem:ga819b2b48ceacea523b2d9188ad2e2f11"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>swap</b> (const boost::gil::packed_dynamic_channel_reference< BF, NB, M > x, R &y)</td></tr>
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<tr class="memdesc:ga819b2b48ceacea523b2d9188ad2e2f11"><td class="mdescLeft"> </td><td class="mdescRight">swap for packed_dynamic_channel_reference <br /></td></tr>
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template<typename BF , int NB, bool M> </td></tr>
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<tr class="memitem:ga272f55c1c65415235aae51f8dbba5ccb"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>swap</b> (typename boost::gil::packed_dynamic_channel_reference< BF, NB, M >::value_type &x, const boost::gil::packed_dynamic_channel_reference< BF, NB, M > y)</td></tr>
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<tr class="memdesc:ga272f55c1c65415235aae51f8dbba5ccb"><td class="mdescLeft"> </td><td class="mdescRight">swap for packed_dynamic_channel_reference <br /></td></tr>
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template<typename BF , int NB, bool M> </td></tr>
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<tr class="memitem:ga31471d00682051688ae336bdf3cd431f"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>swap</b> (const boost::gil::packed_dynamic_channel_reference< BF, NB, M > x, const boost::gil::packed_dynamic_channel_reference< BF, NB, M > y)</td></tr>
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<tr class="memdesc:ga31471d00682051688ae336bdf3cd431f"><td class="mdescLeft"> </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>
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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>. </p>
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<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>
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<div class="line"><span class="keyword">using </span>bits2_dynamic_ref_t = packed_dynamic_channel_reference<uint8_t,2,true> <span class="keyword">const</span>;</div>
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<div class="line"> </div>
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<div class="line">uint16_t data=0;</div>
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<div class="line">bits2_dynamic_ref_t channel_ref(&data,1);</div>
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<div class="line">channel_ref = channel_traits<bits2_dynamic_ref_t>::max_value(); <span class="comment">// == 3</span></div>
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<div class="line">assert(data == 6); <span class="comment">// == (3<<1) == 6</span></div>
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