ITK  4.2.0
Insight Segmentation and Registration Toolkit
itkLabelObjectLineComparator.h
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3  * Copyright Insight Software Consortium
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5  * Licensed under the Apache License, Version 2.0 (the "License");
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18 #ifndef __itkLabelObjectLineComparator_h
19 #define __itkLabelObjectLineComparator_h
20 
21 namespace itk
22 {
37 namespace Functor
38 {
39 template< class TLabelObjectLine >
41 {
42 public:
43  bool operator()(TLabelObjectLine const & l1, TLabelObjectLine const & l2) const
44  {
45  const typename TLabelObjectLine::IndexType & idx1 = l1.GetIndex();
46  const typename TLabelObjectLine::IndexType & idx2 = l2.GetIndex();
47 
48  for ( int i = TLabelObjectLine::ImageDimension - 1; i >= 0; i-- )
49  {
50  if ( idx1[i] < idx2[i] )
51  {
52  return true;
53  }
54  else if ( idx1[i] > idx2[i] )
55  {
56  return false;
57  }
58  }
59  return l1.GetLength() < l2.GetLength();
60  }
61 };
62 }
63 }
64 
65 #endif
66