libs/gil/doc/html/reference/group___pixel_model_packed_pixel.html

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  45 <div class="title">packed_pixel<div class="ingroups"><a class="el" href="group___pixel.html">Pixel</a> &raquo; <a class="el" href="group___pixel_model.html">Models</a></div></div>  </div>
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  49 <p>A heterogeneous pixel used to represent packed pixels with non-byte-aligned channels. Models <a class="el" href="structboost_1_1gil_1_1_pixel_value_concept.html" title="Pixel concept that is a Regular type.">PixelValueConcept</a>.
  50 <a href="#details">More...</a></p>
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  53 Classes</h2></td></tr>
  54 <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__pixel.html">packed_pixel&lt; BitField, ChannelRefs, Layout &gt;</a></td></tr>
  55 <tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Heterogeneous pixel value whose channel references can be constructed from the pixel bitfield and their index. Models <a class="el" href="structboost_1_1gil_1_1_color_base_value_concept.html" title="Color base that also has a default-constructor. Refines Regular.">ColorBaseValueConcept</a>, <a class="el" href="structboost_1_1gil_1_1_pixel_value_concept.html" title="Pixel concept that is a Regular type.">PixelValueConcept</a>, <a class="el" href="structboost_1_1gil_1_1_pixel_based_concept.html" title="Concept for all pixel-based GIL constructs.">PixelBasedConcept</a> Typical use for this is a model of a packed pixel (like 565 RGB)  <a href="structboost_1_1gil_1_1packed__pixel.html#details">More...</a><br /></td></tr>
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  58 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
  59 <p>A heterogeneous pixel used to represent packed pixels with non-byte-aligned channels. Models <a class="el" href="structboost_1_1gil_1_1_pixel_value_concept.html" title="Pixel concept that is a Regular type.">PixelValueConcept</a>. </p>
  60 <p>Example: </p><div class="fragment"><div class="line"><span class="keyword">using</span> rgb565_pixel_t = packed_pixel_type&lt;uint16_t, mp11::mp_list-c&lt;unsigned,5,6,5&gt;, rgb_layout_t&gt;::type;</div><div class="line">static_assert(<span class="keyword">sizeof</span>(rgb565_pixel_t) == 2, <span class="stringliteral">&quot;&quot;</span>);</div><div class="line"></div><div class="line">rgb565_pixel_t r565;</div><div class="line"><a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(r565,red_t())   = 31;</div><div class="line"><a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(r565,green_t()) = 63;</div><div class="line"><a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(r565,blue_t())  = 31;</div><div class="line">assert(r565 == rgb565_pixel_t((uint16_t)0xFFFF));</div></div><!-- fragment --> </div><!-- contents -->
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