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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://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 itkLabelObjectLine_h
#define itkLabelObjectLine_h
#include "itkIndex.h"
#include "itkIndent.h"
namespace itk
{
/**
* \class LabelObjectLine
* LabelObjectLine is the line object used in the LabelObject class
* to store the line which are part of the object.
* A line is formed of and index and a length in the dimension 0.
* It is used in a run-length encoding
*
* \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:
* https://www.insight-journal.org/browse/publication/176
*
* \ingroup LabeledImageObject
* \ingroup ITKLabelMap
*/
template <unsigned int VImageDimension>
class ITK_TEMPLATE_EXPORT LabelObjectLine
{
public:
static constexpr unsigned int ImageDimension = VImageDimension;
using IndexType = Index<VImageDimension>;
using LengthType = SizeValueType;
LabelObjectLine();
LabelObjectLine(const IndexType & idx, const LengthType & length);
virtual ~LabelObjectLine() = default;
/**
* Set/Get Index
*/
void
SetIndex(const IndexType & idx);
const IndexType &
GetIndex() const;
/**
* SetGet Length
*/
void
SetLength(const LengthType length);
const LengthType &
GetLength() const;
/**
* Check for index
*/
bool
HasIndex(const IndexType idx) const;
bool
IsNextIndex(const IndexType & idx) const;
/** Cause the object to print itself out. */
void
Print(std::ostream & os, Indent indent = 0) const;
protected:
/** Methods invoked by Print() to print information about the object
* including superclasses. Typically not called by the user (use Print()
* instead) but used in the hierarchical print process to combine the
* output of several classes. */
virtual void
PrintSelf(std::ostream & os, Indent indent) const;
virtual void
PrintHeader(std::ostream & os, Indent indent) const;
virtual void
PrintTrailer(std::ostream & os, Indent indent) const;
private:
IndexType m_Index{};
LengthType m_Length{};
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkLabelObjectLine.hxx"
#endif
#endif
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