itkBSplineDownsampleImageFilter.h

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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.
 *
 *=========================================================================*/
/*=========================================================================
 *
 *  Portions of this file are subject to the VTK Toolkit Version 3 copyright.
 *
 *  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
 *
 *  For complete copyright, license and disclaimer of warranty information
 *  please refer to the NOTICE file at the top of the ITK source tree.
 *
 *=========================================================================*/
#ifndef __itkBSplineDownsampleImageFilter_h
#define __itkBSplineDownsampleImageFilter_h

// include .h for each ResamplerType
#include "itkBSplineL2ResampleImageFilterBase.h"
#include "itkBSplineCenteredL2ResampleImageFilterBase.h"

namespace itk
{
//= typename BSplineResampleImageFilterBase<TInputImage, TOutputImage>
template< class TInputImage, class TOutputImage,
          class ResamplerType = BSplineResampleImageFilterBase< TInputImage, TOutputImage > >
class ITK_EXPORT BSplineDownsampleImageFilter:
  public ResamplerType
{
public:
  typedef BSplineDownsampleImageFilter Self;
  typedef ResamplerType                Superclass;
  typedef SmartPointer< Self >         Pointer;
  typedef SmartPointer< const Self >   ConstPointer;

  itkTypeMacro(BSplineDownsampleImageFilter, ResamplerType);

  itkNewMacro(Self);

  typedef typename Superclass::InputImageType InputImageType;

  typedef typename Superclass::InputImagePointer InputImagePointer;

  typedef typename Superclass::OutputImagePointer OutputImagePointer;

  typedef typename Superclass::OutputImageIterator OutputImageIterator;

  void GenerateOutputInformation();

  void GenerateInputRequestedRegion();

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro( DoubleConvertibleToOutputCheck,
                   ( Concept::Convertible< double, typename TOutputImage::PixelType > ) );

#endif

protected:

  void GenerateData();

  void EnlargeOutputRequestedRegion(DataObject *output);

  BSplineDownsampleImageFilter();
  virtual ~BSplineDownsampleImageFilter() {}

private:
  BSplineDownsampleImageFilter(const Self &); //purposely not implemented
  void operator=(const Self &);               //purposely not implemented
};
} // namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkBSplineDownsampleImageFilter.hxx"
#endif

#endif