ITK  5.2.0
Insight Toolkit
itkLabelObjectLineComparator.h
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18 #ifndef itkLabelObjectLineComparator_h
19 #define itkLabelObjectLineComparator_h
20 
21 namespace itk
22 {
23 namespace Functor
24 {
25 
41 template <typename TLabelObjectLine>
43 {
44 public:
45  bool
46  operator()(TLabelObjectLine const & l1, TLabelObjectLine const & l2) const
47  {
48  const typename TLabelObjectLine::IndexType & idx1 = l1.GetIndex();
49  const typename TLabelObjectLine::IndexType & idx2 = l2.GetIndex();
51 
52  for (int i = TLabelObjectLine::ImageDimension - 1; i >= 0; i--)
53  {
54  if (idx1[i] < idx2[i])
55  {
56  return true;
57  }
58  else if (idx1[i] > idx2[i])
59  {
60  return false;
61  }
62  }
63  return l1.GetLength() < l2.GetLength();
64  }
65 };
66 
67 } // end namespace Functor
68 } // end namespace itk
69 
70 #endif
itk::Functor::LabelObjectLineComparator::operator()
bool operator()(TLabelObjectLine const &l1, TLabelObjectLine const &l2) const
Definition: itkLabelObjectLineComparator.h:46
itk::GTest::TypedefsAndConstructors::Dimension2::IndexType
ImageBaseType::IndexType IndexType
Definition: itkGTestTypedefsAndConstructors.h:50
itk::Index::GetIndex
const IndexValueType * GetIndex() const
Definition: itkIndex.h:228
itk
The "itk" namespace contains all Insight Segmentation and Registration Toolkit (ITK) classes....
Definition: itkAnnulusOperator.h:24
itk::Functor::LabelObjectLineComparator
Performs a comparison of l1 < l2. Returns true if l1 is strictly less than l2.
Definition: itkLabelObjectLineComparator.h:42