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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 itkPathToChainCodePathFilter_h
#define itkPathToChainCodePathFilter_h
#include "itkPathToPathFilter.h"
#include "itkOffset.h"
// Templates require interfaces conforming to itkPath.h and itkChainCodePath.h
namespace itk
{
/**
* \class PathToChainCodePathFilter
* \brief Filter that produces a chain code version of a path.
*
* PathToChainCodePathFilter produces a chain code representation of a path.
* If MaximallyConnectedOn() is called, then the resulting chain code will be
* maximally connected (for example, 4-connected instead of 8-connected in 2D).
*
* \ingroup PathFilters
* \ingroup ITKPath
*/
template <typename TInputPath, typename TOutputChainCodePath>
class ITK_TEMPLATE_EXPORT PathToChainCodePathFilter : public PathToPathFilter<TInputPath, TOutputChainCodePath>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(PathToChainCodePathFilter);
/** Standard class type aliases. */
using Self = PathToChainCodePathFilter;
using Superclass = PathToPathFilter<TInputPath, TOutputChainCodePath>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(PathToChainCodePathFilter);
/** Some convenient type alias. */
using InputPathType = TInputPath;
using InputPathPointer = typename InputPathType::Pointer;
using InputPathInputType = typename InputPathType::InputType;
using OutputPathType = TOutputChainCodePath;
using OutputPathPointer = typename OutputPathType::Pointer;
using OutputPathInputType = typename OutputPathType::InputType;
using IndexType = typename InputPathType::IndexType;
using OffsetType = typename InputPathType::OffsetType;
/** Set/Get the direction in which to reflect the data. Default is "Off". */
itkSetMacro(MaximallyConnected, bool);
itkGetConstMacro(MaximallyConnected, bool);
itkBooleanMacro(MaximallyConnected);
protected:
PathToChainCodePathFilter();
~PathToChainCodePathFilter() override = default;
void
PrintSelf(std::ostream & os, Indent indent) const override;
void
GenerateData() override;
private:
bool m_MaximallyConnected{ false };
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkPathToChainCodePathFilter.hxx"
#endif
#endif
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