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<h1>itkFFTWComplexConjugateToRealImageFilter.h</h1><a href="itkFFTWComplexConjugateToRealImageFilter_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: itkFFTWComplexConjugateToRealImageFilter.h,v $</span>
<a name="l00005"></a>00005 <span class="comment"> Language: C++</span>
<a name="l00006"></a>00006 <span class="comment"> Date: $Date: 2008-12-21 19:13:11 $</span>
<a name="l00007"></a>00007 <span class="comment"> Version: $Revision: 1.9 $</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 <span class="preprocessor">#ifndef __itkFFTWComplexConjugateToRealImageFilter_h</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#define __itkFFTWComplexConjugateToRealImageFilter_h</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span>
<a name="l00020"></a>00020 <span class="preprocessor">#include "<a class="code" href="itkFFTComplexConjugateToRealImageFilter_8h.html">itkFFTComplexConjugateToRealImageFilter.h</a>"</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="comment">//</span>
<a name="l00023"></a>00023 <span class="comment">// FFTWCommon defines proxy classes based on data types</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="itkFFTWCommon_8h.html">itkFFTWCommon.h</a>"</span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="keyword">namespace </span>itk
<a name="l00028"></a>00028 {
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="keyword">template</span> <<span class="keyword">typename</span> TPixel,<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> VDimension>
<a name="l00031"></a><a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html">00031</a> <span class="keyword">class </span><a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html">FFTWComplexConjugateToRealImageFilter</a> :
<a name="l00032"></a>00032 <span class="keyword">public</span> <a class="code" href="classitk_1_1FFTComplexConjugateToRealImageFilter.html">FFTComplexConjugateToRealImageFilter</a><TPixel,VDimension>
<a name="l00033"></a>00033 {
<a name="l00034"></a>00034 <span class="keyword">public</span>:
<a name="l00035"></a><a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html#8bc770be937217b7a200ef4b0293937c">00035</a> <span class="keyword">typedef</span> <a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html">FFTWComplexConjugateToRealImageFilter</a> <a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html">Self</a>;
<a name="l00036"></a><a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html#5bf3ed9f066ca30aaf3c91581c396f81">00036</a> <span class="keyword">typedef</span> <a class="code" href="classitk_1_1FFTComplexConjugateToRealImageFilter.html">FFTComplexConjugateToRealImageFilter<TPixel,VDimension></a> <a class="code" href="classitk_1_1FFTComplexConjugateToRealImageFilter.html">Superclass</a>;
<a name="l00037"></a><a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html#c93d49bf44b1b49be2c99c3d1c0e1f41">00037</a> <span class="keyword">typedef</span> <a class="code" href="classitk_1_1SmartPointer.html">SmartPointer<Self></a> <a class="code" href="classitk_1_1SmartPointer.html">Pointer</a>;
<a name="l00038"></a><a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html#d8f831551de822f30aa31915395306fc">00038</a> <span class="keyword">typedef</span> <a class="code" href="classitk_1_1SmartPointer.html">SmartPointer<const Self></a> <a class="code" href="classitk_1_1SmartPointer.html">ConstPointer</a>;
<a name="l00039"></a>00039 <span class="comment">//</span>
<a name="l00040"></a>00040 <span class="comment">// the proxy type is a wrapper for the fftw API</span>
<a name="l00041"></a>00041 <span class="comment">// since the proxy is only defined over double and float,</span>
<a name="l00042"></a>00042 <span class="comment">// trying to use any other pixel type is inoperative, as</span>
<a name="l00043"></a>00043 <span class="comment">// is trying to use double if only the float FFTW version is </span>
<a name="l00044"></a>00044 <span class="comment">// configured in, or float if only double is configured.</span>
<a name="l00045"></a>00045 <span class="comment">//</span>
<a name="l00046"></a><a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html#c24c807a2d628ff9ba69b2e09a583590">00046</a> <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="classitk_1_1fftw_1_1Proxy.html">fftw::Proxy<TPixel></a> <a class="code" href="classitk_1_1fftw_1_1Proxy.html">FFTWProxyType</a>;
<a name="l00047"></a>00047
<a name="l00049"></a><a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html#d268f37a69a009c3fd72591b3a526895">00049</a> <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="classitk_1_1Image.html" title="Templated n-dimensional image class.">Superclass::TInputImageType</a> <a class="code" href="classitk_1_1Image.html" title="Templated n-dimensional image class.">TInputImageType</a>;
<a name="l00050"></a><a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html#f1c5e615e159d323367f82c90860548a">00050</a> <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="classitk_1_1Image.html" title="Templated n-dimensional image class.">Superclass::TOutputImageType</a> <a class="code" href="classitk_1_1Image.html" title="Templated n-dimensional image class.">TOutputImageType</a>;
<a name="l00051"></a>00051
<a name="l00053"></a>00053 <a class="code" href="itkMacro_8h.html#0fdc15685afa271857c57e7cd482f30c">itkNewMacro</a>(<a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html">Self</a>);
<a name="l00054"></a>00054
<a name="l00056"></a>00056 <a class="code" href="itkMacro_8h.html#574c1f86661d409dd32c742307a0e96a">itkTypeMacro</a>(<a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html">FFTWComplexConjugateToRealImageFilter</a>,
<a name="l00057"></a><a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html#5e0d1f108ea86f31a71d4d760a38b116">00057</a> <a class="code" href="classitk_1_1FFTComplexConjugateToRealImageFilter.html">FFTComplexConjugateToRealImageFilter</a>);
<a name="l00058"></a>00058
<a name="l00060"></a>00060 <span class="keyword">typedef</span> <a class="code" href="classitk_1_1Image.html" title="Templated n-dimensional image class.">TInputImageType</a> <a class="code" href="classitk_1_1Image.html" title="Templated n-dimensional image class.">ImageType</a>;
<a name="l00061"></a><a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html#fd2ba6b37c3646a10b7c71b9f10cb294">00061</a> <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="classitk_1_1Image.html#9c22529e667e574952547da68d0f0322">ImageType::SizeType</a> <a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html#fd2ba6b37c3646a10b7c71b9f10cb294">ImageSizeType</a>;
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="comment">//</span>
<a name="l00064"></a>00064 <span class="comment">// these should be defined in every FFT filter class</span>
<a name="l00065"></a>00065 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html#7ca6110364d559e4329ccdff72035786">GenerateData</a>(); <span class="comment">// generates output from input</span>
<a name="l00066"></a>00066 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html#de0e36c618c5aef104dbae2c3227edee">FullMatrix</a>();
<a name="l00067"></a>00067 <span class="keyword">protected</span>:
<a name="l00068"></a><a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html#c9086a7b234d45037ad4153bec38e65f">00068</a> <a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html#c9086a7b234d45037ad4153bec38e65f">FFTWComplexConjugateToRealImageFilter</a>() : m_PlanComputed(false),
<a name="l00069"></a>00069 m_LastImageSize(0),
<a name="l00070"></a>00070 m_InputBuffer(0),
<a name="l00071"></a>00071 m_OutputBuffer(0)
<a name="l00072"></a>00072 {
<a name="l00073"></a>00073 }
<a name="l00074"></a><a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html#e8aa2d1b5dc580fe2e0daced691e3392">00074</a> <span class="keyword">virtual</span> <a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html#e8aa2d1b5dc580fe2e0daced691e3392">~FFTWComplexConjugateToRealImageFilter</a>()
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076 <span class="keywordflow">if</span>(m_PlanComputed)
<a name="l00077"></a>00077 {
<a name="l00078"></a>00078 FFTWProxyType::DestroyPlan(m_Plan);
<a name="l00079"></a>00079 <span class="keyword">delete</span> [] m_InputBuffer;
<a name="l00080"></a>00080 <span class="keyword">delete</span> [] m_OutputBuffer;
<a name="l00081"></a>00081 }
<a name="l00082"></a>00082 }
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="keyword">private</span>:
<a name="l00085"></a>00085 <a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html#c9086a7b234d45037ad4153bec38e65f">FFTWComplexConjugateToRealImageFilter</a>(<span class="keyword">const</span> <a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html#8bc770be937217b7a200ef4b0293937c">Self</a>&); <span class="comment">//purposely not implemented</span>
<a name="l00086"></a>00086 <span class="keywordtype">void</span> operator=(<span class="keyword">const</span> <a class="code" href="classitk_1_1FFTWComplexConjugateToRealImageFilter.html#8bc770be937217b7a200ef4b0293937c">Self</a>&); <span class="comment">//purposely not implemented</span>
<a name="l00087"></a>00087 <span class="keywordtype">bool</span> m_PlanComputed;
<a name="l00088"></a>00088 <span class="keyword">typename</span> FFTWProxyType::PlanType m_Plan;
<a name="l00089"></a>00089 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_LastImageSize;
<a name="l00090"></a>00090 <span class="comment">// local storage needed to keep fftw from scribbling on</span>
<a name="l00091"></a>00091 <span class="keyword">typename</span> FFTWProxyType::ComplexType *m_InputBuffer;
<a name="l00092"></a>00092 TPixel *m_OutputBuffer;
<a name="l00093"></a>00093 };
<a name="l00094"></a>00094
<a name="l00095"></a>00095
<a name="l00096"></a>00096 } <span class="comment">// namespace itk</span>
<a name="l00097"></a>00097
<a name="l00098"></a>00098 <span class="preprocessor">#ifndef ITK_MANUAL_INSTANTIATION</span>
<a name="l00099"></a>00099 <span class="preprocessor"></span><span class="preprocessor">#include "itkFFTWComplexConjugateToRealImageFilter.txx"</span>
<a name="l00100"></a>00100 <span class="preprocessor">#endif</span>
<a name="l00101"></a>00101 <span class="preprocessor"></span>
<a name="l00102"></a>00102 <span class="preprocessor">#endif //__itkFFTWComplexConjugateToRealImageFilter_h</span>
<a name="l00103"></a>00103 <span class="preprocessor"></span>
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