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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 itkPathToPathFilter_h
#define itkPathToPathFilter_h
#include "itkPathSource.h"
namespace itk
{
/**
* \class PathToPathFilter
* \brief Base class for filters that take a path as input and produce a path as output.
*
* PathToPathFilter is the base class for all process objects that output
* path data and require path data as input. Specifically, this class
* defines the SetInput() method for defining the input to a filter.
*
* \ingroup PathFilters
* \ingroup ITKPath
*/
template <typename TInputPath, typename TOutputPath>
class ITK_TEMPLATE_EXPORT PathToPathFilter : public PathSource<TOutputPath>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(PathToPathFilter);
/** Standard class type aliases. */
using Self = PathToPathFilter;
using Superclass = PathSource<TOutputPath>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(PathToPathFilter);
/** Some convenient type alias. */
using InputPathType = TInputPath;
using InputPathPointer = typename InputPathType::Pointer;
using InputPathConstPointer = typename InputPathType::ConstPointer;
/** Set/Get the path input of this process object. */
using Superclass::SetInput;
virtual void
SetInput(const InputPathType * path);
virtual void
SetInput(unsigned int, const TInputPath * path);
const InputPathType *
GetInput();
const InputPathType *
GetInput(unsigned int idx);
protected:
PathToPathFilter();
~PathToPathFilter() override = default;
void
PrintSelf(std::ostream & os, Indent indent) const override;
/** What is the input requested region that is required to produce the output
* requested region? Up till and including now, the base assumption is that
* the largest possible region will be requested of the input. If this method
* is overridden, the new method should call its superclass' implementation as
* its first step.
*
* \sa ProcessObject::GenerateInputRequestedRegion() */
void
GenerateInputRequestedRegion() override;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkPathToPathFilter.hxx"
#endif
#endif
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