ITK  4.2.0
Insight Segmentation and Registration Toolkit
itkInPlaceImageFilter.h
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1 /*=========================================================================
2  *
3  * Copyright Insight Software Consortium
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5  * Licensed under the Apache License, Version 2.0 (the "License");
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14  * See the License for the specific language governing permissions and
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16  *
17  *=========================================================================*/
18 /*=========================================================================
19  *
20  * Portions of this file are subject to the VTK Toolkit Version 3 copyright.
21  *
22  * Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
23  *
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25  * please refer to the NOTICE file at the top of the ITK source tree.
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28 #ifndef __itkInPlaceImageFilter_h
29 #define __itkInPlaceImageFilter_h
30 
31 #include "itkImageToImageFilter.h"
32 #include "itkIsSame.h"
33 
34 namespace itk
35 {
71 template< class TInputImage, class TOutputImage = TInputImage >
72 class ITK_EXPORT InPlaceImageFilter:public ImageToImageFilter< TInputImage, TOutputImage >
73 {
74 public:
80 
83 
85  typedef typename Superclass::OutputImageType OutputImageType;
86  typedef typename Superclass::OutputImagePointer OutputImagePointer;
87  typedef typename Superclass::OutputImageRegionType OutputImageRegionType;
88  typedef typename Superclass::OutputImagePixelType OutputImagePixelType;
89 
91  typedef TInputImage InputImageType;
92  typedef typename InputImageType::Pointer InputImagePointer;
93  typedef typename InputImageType::ConstPointer InputImageConstPointer;
94  typedef typename InputImageType::RegionType InputImageRegionType;
95  typedef typename InputImageType::PixelType InputImagePixelType;
96 
98  itkStaticConstMacro(InputImageDimension, unsigned int,
99  TInputImage::ImageDimension);
100  itkStaticConstMacro(OutputImageDimension, unsigned int,
101  TOutputImage::ImageDimension);
103 
109  itkSetMacro(InPlace, bool);
110  itkGetConstMacro(InPlace, bool);
111  itkBooleanMacro(InPlace);
113 
122  virtual bool CanRunInPlace() const;
123 
124 protected:
127 
128  virtual void PrintSelf(std::ostream & os, Indent indent) const;
129 
142  virtual void AllocateOutputs()
143  {
144  this->InternalAllocateOutputs(IsSame<TInputImage, TOutputImage>());
145  }
146 
156  virtual void ReleaseInputs();
157 
162  itkGetConstMacro(RunningInPlace,bool);
163 
164 private:
165  InPlaceImageFilter(const Self &); //purposely not implemented
166  void operator=(const Self &); //purposely not implemented
167 
168  // the type are different we can't run in place
169  void InternalAllocateOutputs( const FalseType& )
170  {
171  this->m_RunningInPlace = false;
172  this->Superclass::AllocateOutputs();
173  }
174 
175  void InternalAllocateOutputs( const TrueType& );
176 
177  bool m_InPlace; // enable the possibility of in-place
179 
180 };
181 } // end namespace itk
182 
183 // Define instantiation macro for this template.
184 #define ITK_TEMPLATE_InPlaceImageFilter(_, EXPORT, TypeX, TypeY) \
185  namespace itk \
186  { \
187  _( 2 ( class EXPORT InPlaceImageFilter< ITK_TEMPLATE_2 TypeX > ) ) \
188  namespace Templates \
189  { \
190  typedef InPlaceImageFilter< ITK_TEMPLATE_2 TypeX > InPlaceImageFilter##TypeY; \
191  } \
192  }
193 
194 #if ITK_TEMPLATE_EXPLICIT
195 #include "Templates/itkInPlaceImageFilter+-.h"
196 #endif
197 
198 #if ITK_TEMPLATE_TXX
199 #include "itkInPlaceImageFilter.hxx"
200 #endif
201 
202 #endif
203