ceph/src/boost/libs/gil/doc/html/g_i_l_0097.html

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  39 <h1>Algorithms and Utility Functions<br>
  40 <small>
  41 [<a class="el" href="group___channel.html">Channel</a>]</small>
  42 </h1><hr><a name="_details"></a><h2>Detailed Description</h2>
  43 Channel algorithms, metafunctions and utility functions.
  44 <p>
  45
  46 <p>
  47 <table border="0" cellpadding="0" cellspacing="0">
  48 <tr><td></td></tr>
  49 <tr><td colspan="2"><br><h2>Modules</h2></td></tr>
  50 <tr><td class="memItemLeft" nowrap align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="g_i_l_0099.html">channel_convert</a></td></tr>
  51
  52 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Converting from one channel type to another<p>
  53 Conversion is done as a simple linear mapping of one channel range to the other, such that the minimum/maximum value of the source maps to the minimum/maximum value of the destination. One implication of this is that the value 0 of signed channels may not be preserved! <br></td></tr>
  54
  55 <p>
  56 <tr><td class="memItemLeft" nowrap align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="g_i_l_0103.html">channel_multiply</a></td></tr>
  57
  58 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Multiplying unsigned channel values of the same type. Performs scaled multiplication result = a * b / max_value. <br></td></tr>
  59
  60 <p>
  61 <tr><td class="memItemLeft" nowrap align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="g_i_l_0101.html">channel_invert</a></td></tr>
  62
  63 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns the inverse of a channel. result = max_value - x + min_value. <br></td></tr>
  64
  65 <p>
  66 <tr><td colspan="2"><br><h2>Classes</h2></td></tr>
  67 <tr><td class="memItemLeft" nowrap align="right" valign="top">struct &nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="g_i_l_0432.html">channels_are_compatible</a></td></tr>
  68
  69 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Predicate metafunction returning whether two channels are compatible<p>
  70 Channels are considered compatible if their value types (ignoring constness and references) are the same.  <a href="g_i_l_0432.html#_details">More...</a><br></td></tr>
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