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<h1>itkLabelOverlayFunctor.h</h1><a href="itkLabelOverlayFunctor_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*=========================================================================</span>
<a name="l00002"></a>00002 <span class="comment"></span>
<a name="l00003"></a>00003 <span class="comment"> Program: Insight Segmentation & Registration Toolkit</span>
<a name="l00004"></a>00004 <span class="comment"> Module: $RCSfile: itkLabelOverlayFunctor.h,v $</span>
<a name="l00005"></a>00005 <span class="comment"> Language: C++</span>
<a name="l00006"></a>00006 <span class="comment"> Date: $Date: 2009-02-24 19:03:15 $</span>
<a name="l00007"></a>00007 <span class="comment"> Version: $Revision: 1.3 $</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment"> Copyright (c) Insight Software Consortium. All rights reserved.</span>
<a name="l00010"></a>00010 <span class="comment"> See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.</span>
<a name="l00011"></a>00011 <span class="comment"></span>
<a name="l00012"></a>00012 <span class="comment"> This software is distributed WITHOUT ANY WARRANTY; without even </span>
<a name="l00013"></a>00013 <span class="comment"> the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR </span>
<a name="l00014"></a>00014 <span class="comment"> PURPOSE. See the above copyright notices for more information.</span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment">=========================================================================*/</span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="preprocessor">#ifndef __itkLabelOverlayFunctor_h</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span><span class="preprocessor">#define __itkLabelOverlayFunctor_h</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include "<a class="code" href="itkLabelToRGBFunctor_8h.html">itkLabelToRGBFunctor.h</a>"</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="keyword">namespace </span>itk
<a name="l00024"></a>00024 {
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="keyword">namespace </span>Functor {
<a name="l00027"></a>00027
<a name="l00040"></a>00040 <span class="keyword">template</span>< <span class="keyword">class</span> TInputPixel, <span class="keyword">class</span> TLabel, <span class="keyword">class</span> TRGBPixel >
<a name="l00041"></a><a class="code" href="classitk_1_1Functor_1_1LabelOverlayFunctor.html">00041</a> <span class="keyword">class </span><a class="code" href="classitk_1_1Functor_1_1LabelOverlayFunctor.html" title="Functor for applying a colormap to a label image and combine it with a grayscale...">LabelOverlayFunctor</a>
<a name="l00042"></a>00042 {
<a name="l00043"></a>00043 <span class="keyword">public</span>:
<a name="l00044"></a><a class="code" href="classitk_1_1Functor_1_1LabelOverlayFunctor.html#13de1d101a439bbe92a467d58e7b11f2">00044</a> <a class="code" href="classitk_1_1Functor_1_1LabelOverlayFunctor.html#13de1d101a439bbe92a467d58e7b11f2">LabelOverlayFunctor</a>()
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 <span class="comment">// provide some default value for external use (outside </span>
<a name="l00047"></a>00047 <span class="comment">// LabelOverlayFunctorImageFilter) Inside LabelOverlayFunctorImageFilter, </span>
<a name="l00048"></a>00048 <span class="comment">// the values are always initialized</span>
<a name="l00049"></a>00049 m_BackgroundValue = NumericTraits<TLabel>::Zero;
<a name="l00050"></a>00050 }
<a name="l00051"></a>00051
<a name="l00052"></a><a class="code" href="classitk_1_1Functor_1_1LabelOverlayFunctor.html#b7961b6cb6a0ff4a65783b1eb2d959c1">00052</a> <span class="keyword">inline</span> TRGBPixel <a class="code" href="classitk_1_1Functor_1_1LabelOverlayFunctor.html#b7961b6cb6a0ff4a65783b1eb2d959c1">operator()</a>( <span class="keyword">const</span> TInputPixel & p1, <span class="keyword">const</span> TLabel & p2)<span class="keyword"> const</span>
<a name="l00053"></a>00053 <span class="keyword"> </span>{
<a name="l00054"></a>00054 TRGBPixel rgbPixel;
<a name="l00055"></a>00055 <span class="keywordflow">if</span>( p2 == m_BackgroundValue )
<a name="l00056"></a>00056 {
<a name="l00057"></a>00057 <span class="comment">// value is background</span>
<a name="l00058"></a>00058 <span class="comment">// return a gray pixel with the same intensity than the input pixel</span>
<a name="l00059"></a>00059 <span class="keyword">typename</span> TRGBPixel::ValueType p =
<a name="l00060"></a>00060 <span class="keyword">static_cast<</span> typename TRGBPixel::ValueType <span class="keyword">></span>( p1 );
<a name="l00061"></a>00061 rgbPixel[0] = p;
<a name="l00062"></a>00062 rgbPixel[1] = p;
<a name="l00063"></a>00063 rgbPixel[2] = p;
<a name="l00064"></a>00064 <span class="keywordflow">return</span> rgbPixel;
<a name="l00065"></a>00065 }
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="comment">// taint the input pixel with the colored one returned by </span>
<a name="l00068"></a>00068 <span class="comment">// the color functor.</span>
<a name="l00069"></a>00069 TRGBPixel opaque = m_RGBFunctor(p2);
<a name="l00070"></a>00070 <span class="keywordflow">for</span>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i<3; i++ )
<a name="l00071"></a>00071 {
<a name="l00072"></a>00072 rgbPixel[i] = <span class="keyword">static_cast<</span> typename TRGBPixel::ValueType <span class="keyword">></span>(
<a name="l00073"></a>00073 opaque[i] * m_Opacity + p1 * ( 1.0 - m_Opacity ) );
<a name="l00074"></a>00074 }
<a name="l00075"></a>00075 <span class="keywordflow">return</span> rgbPixel;
<a name="l00076"></a>00076 }
<a name="l00077"></a>00077
<a name="l00078"></a><a class="code" href="classitk_1_1Functor_1_1LabelOverlayFunctor.html#6b37b7578ab3164f7adfc73eff768a65">00078</a> <span class="keywordtype">bool</span> <a class="code" href="classitk_1_1Functor_1_1LabelOverlayFunctor.html#6b37b7578ab3164f7adfc73eff768a65">operator != </a>(<span class="keyword">const</span> <a class="code" href="classitk_1_1Functor_1_1LabelOverlayFunctor.html" title="Functor for applying a colormap to a label image and combine it with a grayscale...">LabelOverlayFunctor</a> &l)<span class="keyword"> const</span>
<a name="l00079"></a>00079 <span class="keyword"> </span>{
<a name="l00080"></a>00080 <span class="keywordtype">bool</span> value = l.m_Opacity != m_Opacity ||
<a name="l00081"></a>00081 m_BackgroundValue != l.m_BackgroundValue;
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="keywordflow">return</span> value;
<a name="l00084"></a>00084 }
<a name="l00085"></a>00085
<a name="l00086"></a><a class="code" href="classitk_1_1Functor_1_1LabelOverlayFunctor.html#e252d4706eca799f89368b04ed6a8346">00086</a> <a class="code" href="classitk_1_1Functor_1_1LabelOverlayFunctor.html#e252d4706eca799f89368b04ed6a8346">~LabelOverlayFunctor</a>() {}
<a name="l00087"></a>00087
<a name="l00088"></a><a class="code" href="classitk_1_1Functor_1_1LabelOverlayFunctor.html#ab027fba6fabf6f96f8714cd536ecd8b">00088</a> <span class="keywordtype">void</span> <a class="code" href="classitk_1_1Functor_1_1LabelOverlayFunctor.html#ab027fba6fabf6f96f8714cd536ecd8b">SetOpacity</a>( <span class="keywordtype">double</span> opacity )
<a name="l00089"></a>00089 {
<a name="l00090"></a>00090 m_Opacity = opacity;
<a name="l00091"></a>00091 }
<a name="l00092"></a>00092
<a name="l00093"></a><a class="code" href="classitk_1_1Functor_1_1LabelOverlayFunctor.html#372c81ce5bba7569c6d207170094dcab">00093</a> <span class="keywordtype">void</span> <a class="code" href="classitk_1_1Functor_1_1LabelOverlayFunctor.html#372c81ce5bba7569c6d207170094dcab">SetBackgroundValue</a>( TLabel v )
<a name="l00094"></a>00094 {
<a name="l00095"></a>00095 m_BackgroundValue = v;
<a name="l00096"></a>00096 m_RGBFunctor.SetBackgroundValue( v );
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098
<a name="l00099"></a>00099 <span class="keyword">protected</span>:
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="keyword">private</span>:
<a name="l00102"></a>00102 <span class="keywordtype">double</span> m_Opacity;
<a name="l00103"></a>00103 TLabel m_BackgroundValue;
<a name="l00104"></a>00104
<a name="l00105"></a>00105 <span class="keyword">typename</span> <a class="code" href="classitk_1_1Functor_1_1LabelToRGBFunctor.html" title="Functor for converting labels into RGB triplets.">Functor::LabelToRGBFunctor<TLabel, TRGBPixel></a> m_RGBFunctor;
<a name="l00106"></a>00106 };
<a name="l00107"></a>00107
<a name="l00108"></a>00108 } <span class="comment">// end namespace functor</span>
<a name="l00109"></a>00109
<a name="l00110"></a>00110 } <span class="comment">// end namespace itk</span>
<a name="l00111"></a>00111
<a name="l00112"></a>00112 <span class="preprocessor">#endif</span>
<a name="l00113"></a>00113 <span class="preprocessor"></span>
</pre></div></div>
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