itkAsinImageAdaptor.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.
 *
 *=========================================================================*/
#ifndef __itkAsinImageAdaptor_h
#define __itkAsinImageAdaptor_h

#include "itkImageAdaptor.h"
#include "vnl/vnl_math.h"

namespace itk
{
namespace Accessor
{
template< typename TInternalType, typename TExternalType >
class AsinPixelAccessor
{
public:

  typedef TExternalType ExternalType;

  typedef TInternalType InternalType;

  static inline void Set(TInternalType & output, const TExternalType & input)
  { output = (TInternalType)std::asin( (double)input ); }

  static inline TExternalType Get(const TInternalType & input)
  { return (TExternalType)std::asin( (double)input ); }
};
} // end namespace Accessor

template< typename TImage, typename TOutputPixelType >
class AsinImageAdaptor:public
  ImageAdaptor< TImage,
                Accessor::AsinPixelAccessor<
                  typename TImage::PixelType,
                  TOutputPixelType >   >
{
public:

  typedef AsinImageAdaptor Self;
  typedef ImageAdaptor< TImage,
                        Accessor::AsinPixelAccessor< typename TImage::PixelType, TOutputPixelType > > Superclass;

  typedef SmartPointer< Self >       Pointer;
  typedef SmartPointer< const Self > ConstPointer;

  itkTypeMacro(AsinImageAdaptor, ImageAdaptor);

  itkNewMacro(Self);

protected:
  AsinImageAdaptor() {}
  virtual ~AsinImageAdaptor() {}

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

#endif