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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.
*
*=========================================================================*/
/**
*
* Attribution Notice. This research work was made possible by
* Grant Number R01 RR021885 (PI Simon K. Warfield, Ph.D.) from
* the National Center for Research Resources (NCRR), a component of the
* National Institutes of Health (NIH). Its contents are solely the
* responsibility of the authors and do not necessarily represent the
* official view of NCRR or NIH.
*
* This class was taken from the Insight Journal paper:
* https://hdl.handle.net/1926/326
*
*/
#ifndef itkComplexToComplexFFTImageFilter_hxx
#define itkComplexToComplexFFTImageFilter_hxx
#include "itkMetaDataObject.h"
#include "itkVnlComplexToComplexFFTImageFilter.h"
#if defined( ITK_USE_FFTWD ) || defined( ITK_USE_FFTWF )
#include "itkFFTWComplexToComplexFFTImageFilter.h"
#endif
namespace itk
{
template< typename TSelfPointer, typename TImage, typename TPixel >
struct DispatchFFTW_Complex_New
{
static TSelfPointer Apply()
{
return VnlComplexToComplexFFTImageFilter< TImage >
::New().GetPointer();
}
};
#ifdef ITK_USE_FFTWD
template< typename TSelfPointer, typename TImage >
struct DispatchFFTW_Complex_New< TSelfPointer, TImage, double >
{
static TSelfPointer Apply()
{
return FFTWComplexToComplexFFTImageFilter< TImage >
::New().GetPointer();
}
};
#endif
#ifdef ITK_USE_FFTWF
template< typename TSelfPointer, typename TImage >
struct DispatchFFTW_Complex_New< TSelfPointer, TImage, float >
{
static TSelfPointer Apply()
{
return FFTWComplexToComplexFFTImageFilter< TImage >
::New().GetPointer();
}
};
#endif
template< typename TImage >
typename ComplexToComplexFFTImageFilter< TImage >::Pointer
ComplexToComplexFFTImageFilter< TImage >
::New()
{
Pointer smartPtr = ObjectFactory< Self >::Create();
if ( smartPtr.IsNull() )
{
smartPtr = DispatchFFTW_Complex_New< Pointer, TImage,
typename NumericTraits< typename TImage::PixelType >::ValueType >
::Apply();
}
return smartPtr;
}
template< typename TImage >
void
ComplexToComplexFFTImageFilter< TImage >
::GenerateInputRequestedRegion()
{
Superclass::GenerateInputRequestedRegion();
// get pointers to the input and output
typename InputImageType::Pointer input =
const_cast< InputImageType * >( this->GetInput() );
input->SetRequestedRegionToLargestPossibleRegion();
}
} // end namespace itk
#endif
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