ITK  4.3.0
Insight Segmentation and Registration Toolkit
itkIterationReporter.h
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3  * Copyright Insight Software Consortium
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
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18 #ifndef __itkIterationReporter_h
19 #define __itkIterationReporter_h
20 
21 #include "itkProcessObject.h"
22 
23 namespace itk
24 {
55 class ITKCommon_EXPORT IterationReporter
56 {
57 public:
60  unsigned long stepsPerUpdate = 100);
61 
64 
66  void CompletedStep()
67  {
68  // Inline implementation for efficiency.
69  // We don't need to test for thread id 0 here because the
70  // constructor sets m_StepsBeforeUpdate to a value larger than
71  // the number of pixels for threads other than 0.
72  if ( --m_StepsBeforeUpdate == 0 )
73  {
74  m_StepsBeforeUpdate = m_StepsPerUpdate;
75  m_Filter->InvokeEvent( IterationEvent() );
76  }
77  }
79 
80 protected:
83  unsigned long m_StepsPerUpdate;
84  unsigned long m_StepsBeforeUpdate;
85 };
86 } // end namespace itk
87 
88 #endif
89