ITK  4.4.0
Insight Segmentation and Registration Toolkit
itkImageRandomConstIteratorWithOnlyIndex.h
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18 #ifndef __itkImageRandomConstIteratorWithOnlyIndex_h
19 #define __itkImageRandomConstIteratorWithOnlyIndex_h
20 
23 
24 namespace itk
25 {
122 template< typename TImage >
124 {
125 public:
129 
132  typedef typename Superclass::SizeType SizeType;
139 
143 
146  ImageRandomConstIteratorWithOnlyIndex(const ImageType *ptr, const RegionType & region);
147 
155  {
157  }
158 
160  void GoToBegin(void)
161  {
162  this->RandomJump();
163  m_NumberOfSamplesDone = 0L;
164  }
166 
168  void GoToEnd(void)
169  {
170  this->RandomJump();
171  m_NumberOfSamplesDone = m_NumberOfSamplesRequested;
172  }
174 
176  bool IsAtBegin(void) const
177  {
178  return ( m_NumberOfSamplesDone == 0L );
179  }
180 
182  bool IsAtEnd(void) const
183  {
184  return ( m_NumberOfSamplesDone >= m_NumberOfSamplesRequested );
185  }
186 
189  Self & operator++()
190  {
191  this->RandomJump();
192  m_NumberOfSamplesDone++;
193  return *this;
194  }
196 
199  Self & operator--()
200  {
201  this->RandomJump();
202  m_NumberOfSamplesDone--;
203  return *this;
204  }
206 
208  void SetNumberOfSamples(SizeValueType number);
209 
210  SizeValueType GetNumberOfSamples(void) const;
211 
213  void ReinitializeSeed();
214 
215  void ReinitializeSeed(int);
216 
217 private:
218  void RandomJump();
219 
225 };
226 } // end namespace itk
227 
228 #ifndef ITK_MANUAL_INSTANTIATION
229 #include "itkImageRandomConstIteratorWithOnlyIndex.hxx"
230 #endif
231 
232 #endif
233