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<div class="title">packed_channel_reference<div class="ingroups"><a class="el" href="group___channel_model.html">Models</a></div></div> </div>
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<div class="contents">
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<p>Represents a reference proxy to a channel operating over a bit range whose offset is fixed at compile 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> Example:
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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__channel__reference_3_01_bit_field_00_01_first_bit_00_01_num_bits_00_01false_01_4.html">packed_channel_reference< BitField, FirstBit, NumBits, false ></a></td></tr>
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<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">A constant subbyte channel reference whose bit offset is fixed at compile 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>. <a href="classboost_1_1gil_1_1packed__channel__reference_3_01_bit_field_00_01_first_bit_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__channel__reference_3_01_bit_field_00_01_first_bit_00_01_num_bits_00_01true_01_4.html">packed_channel_reference< BitField, FirstBit, NumBits, true ></a></td></tr>
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<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">A mutable subbyte channel reference whose bit offset is fixed at compile 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>. <a href="classboost_1_1gil_1_1packed__channel__reference_3_01_bit_field_00_01_first_bit_00_01_num_bits_00_01true_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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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:gaa0bd7927a859ab0e44df1df898b68e7c"><td class="memTemplParams" colspan="2"><a class="anchor" id="gaa0bd7927a859ab0e44df1df898b68e7c"></a>
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template<typename BF , int FB, int NB, bool M, typename R > </td></tr>
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<tr class="memitem:gaa0bd7927a859ab0e44df1df898b68e7c"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group___packed_channel_reference_model.html#gaa0bd7927a859ab0e44df1df898b68e7c">swap</a> (const boost::gil::packed_channel_reference< BF, FB, NB, M > x, R &y)</td></tr>
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<tr class="memdesc:gaa0bd7927a859ab0e44df1df898b68e7c"><td class="mdescLeft"> </td><td class="mdescRight">swap for packed_channel_reference <br/></td></tr>
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<tr class="separator:gaa0bd7927a859ab0e44df1df898b68e7c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaad704056496a9a216609ebde22497e5f"><td class="memTemplParams" colspan="2"><a class="anchor" id="gaad704056496a9a216609ebde22497e5f"></a>
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template<typename BF , int FB, int NB, bool M> </td></tr>
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<tr class="memitem:gaad704056496a9a216609ebde22497e5f"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group___packed_channel_reference_model.html#gaad704056496a9a216609ebde22497e5f">swap</a> (typename boost::gil::packed_channel_reference< BF, FB, NB, M >::value_type &x, const boost::gil::packed_channel_reference< BF, FB, NB, M > y)</td></tr>
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<tr class="memdesc:gaad704056496a9a216609ebde22497e5f"><td class="mdescLeft"> </td><td class="mdescRight">swap for packed_channel_reference <br/></td></tr>
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<tr class="separator:gaad704056496a9a216609ebde22497e5f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga8dd3a59fa9f04ce822b13f268f8a1ed4"><td class="memTemplParams" colspan="2"><a class="anchor" id="ga8dd3a59fa9f04ce822b13f268f8a1ed4"></a>
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template<typename BF , int FB, int NB, bool M> </td></tr>
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<tr class="memitem:ga8dd3a59fa9f04ce822b13f268f8a1ed4"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="group___packed_channel_reference_model.html#ga8dd3a59fa9f04ce822b13f268f8a1ed4">swap</a> (const boost::gil::packed_channel_reference< BF, FB, NB, M > x, const boost::gil::packed_channel_reference< BF, FB, NB, M > y)</td></tr>
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<tr class="memdesc:ga8dd3a59fa9f04ce822b13f268f8a1ed4"><td class="mdescLeft"> </td><td class="mdescRight">swap for packed_channel_reference <br/></td></tr>
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<tr class="separator:ga8dd3a59fa9f04ce822b13f268f8a1ed4"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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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 fixed at compile 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> Example: </p>
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<div class="fragment"><div class="line"><span class="comment">// Reference to a 2-bit channel starting at bit 1 (i.e. the second bit)</span></div>
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<div class="line"><span class="keyword">typedef</span> <span class="keyword">const</span> packed_channel_reference<uint16_t,1,2,true> bits2_1_ref_t;</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_1_ref_t channel_ref(&data);</div>
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<div class="line">channel_ref = channel_traits<bits2_1_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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