/usr/include/ITK-4.5/itkLabelObjectLineComparator.h is in libinsighttoolkit4-dev 4.5.0-3.
This file is owned by root:root, with mode 0o644.
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*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef __itkLabelObjectLineComparator_h
#define __itkLabelObjectLineComparator_h
namespace itk
{
namespace Functor
{
/** \class LabelObjectLineComparator
* \brief Performs a comparison of l1 < l2. Returns true if l1 is strictly less
* than l2.
*
* \author Gaetan Lehmann. Biologie du Developpement et de la Reproduction, INRA de Jouy-en-Josas, France.
*
* This implementation was taken from the Insight Journal paper:
* http://hdl.handle.net/1926/584 or
* http://www.insight-journal.org/browse/publication/176
*
* \sa LabelObjectLine
* \ingroup LabeledImageObject
* \ingroup ITKLabelMap
*/
template< typename TLabelObjectLine >
class LabelObjectLineComparator
{
public:
bool operator()(TLabelObjectLine const & l1, TLabelObjectLine const & l2) const
{
const typename TLabelObjectLine::IndexType & idx1 = l1.GetIndex();
const typename TLabelObjectLine::IndexType & idx2 = l2.GetIndex();
for ( int i = TLabelObjectLine::ImageDimension - 1; i >= 0; i-- )
{
if ( idx1[i] < idx2[i] )
{
return true;
}
else if ( idx1[i] > idx2[i] )
{
return false;
}
}
return l1.GetLength() < l2.GetLength();
}
};
} // end namespace Functor
} // end namespace itk
#endif
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