ceph/src/boost/libs/gil/doc/html/g_i_l_0101.html

   1 <!-- Copyright 2008 Lubomir Bourdev and Hailin Jin
   2
   3      Distributed under the Boost Software License, Version 1.0.
   4      (See accompanying file LICENSE_1_0.txt or copy at
   5      http://www.boost.org/LICENSE_1_0.txt)
   6   -->
   7
   8 <!--
   9     Copyright 2005-2007 Adobe Systems Incorporated
  10     Distributed under the MIT License (see accompanying file LICENSE_1_0_0.txt
  11     or a copy at http://stlab.adobe.com/licenses.html)
  12
  13     Some files are held under additional license.
  14     Please see "http://stlab.adobe.com/licenses.html" for more information.
  15 -->
  16
  17 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
  18         "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  19 <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
  20
  21 <head>
  22     <TITLE>Generic Image Library: channel_invert</TITLE>
  23     <META HTTP-EQUIV="content-type" CONTENT="text/html;charset=ISO-8859-1"/>
  24     <LINK TYPE="text/css" REL="stylesheet" HREF="adobe_source.css"/>
  25 </head>
  26 <body>
  27 <table border="0" cellspacing="0" cellpadding="0" style='width: 100%; margin: 0; padding: 0'><tr>
  28 <td width="100%" valign="top" style='padding-left: 10px; padding-right: 10px; padding-bottom: 10px'>
  29 <div class="qindex"><a class="qindex" href="index.html">Modules</a>
  30                   | <a class="qindex" href="classes.html">Alphabetical List</a>
  31                   | <a class="qindex" href="annotated.html">Class List</a>
  32                   | <a class="qindex" href="dirs.html">Directories</a>
  33                   | <a class="qindex" href="files.html">File List</a>
  34                   | <a class="qindex" href="../index.html">GIL Home Page</a>
  35 </div>
  36 <!-- End Header -->
  37 <!-- Generated by Doxygen 1.5.6 -->
  38 <div class="contents">
  39 <h1>channel_invert<br>
  40 <small>
  41 [<a class="el" href="g_i_l_0097.html">Algorithms and Utility Functions</a>]</small>
  42 </h1><hr><a name="_details"></a><h2>Detailed Description</h2>
  43 Returns the inverse of a channel. result = max_value - x + min_value.
  44 <p>
  45 Example: <div class="fragment"><pre class="fragment"><span class="comment">// bits8 == uint8_t == unsigned char</span>
  46 bits8 x=255;
  47 bits8 inv = <a class="code" href="g_i_l_0101.html#ge2e0267865f89610ef26148874a04bb5" title="Default implementation. Provide overloads for performance.">channel_invert</a>(x);
  48 assert(inv == 0);
  49 </pre></div>
  50 <p>
  51 <table border="0" cellpadding="0" cellspacing="0">
  52 <tr><td></td></tr>
  53 <tr><td colspan="2"><br><h2>Functions</h2></td></tr>
  54 <tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="ge2e0267865f89610ef26148874a04bb5"></a><!-- doxytag: member="ChannelInvertAlgorithm::channel_invert" ref="ge2e0267865f89610ef26148874a04bb5" args="(Channel x)" -->
  55 template&lt;typename Channel&gt; </td></tr>
  56 <tr><td class="memTemplItemLeft" nowrap align="right" valign="top">channel_traits&lt; Channel &gt;<br>
  57 ::value_type&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="g_i_l_0101.html#ge2e0267865f89610ef26148874a04bb5">channel_invert</a> (Channel x)</td></tr>
  58
  59 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Default implementation. Provide overloads for performance. <br></td></tr>
  60 </table>
  61 </div>
  62 <hr size="1"><address style="text-align: right;"><small>Generated on Sat May 2 13:50:17 2009 for Generic Image Library by&nbsp;
  63 <a href="http://www.doxygen.org/index.html">
  64 <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address>
  65 </body>
  66 </html>