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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 itkInverseFFTImageFilter_hxx
#define itkInverseFFTImageFilter_hxx
#include "itkMetaDataObject.h"
#include "itkVnlInverseFFTImageFilter.h"
#if defined( ITK_USE_FFTWD ) || defined( ITK_USE_FFTWF )
#include "itkFFTWInverseFFTImageFilter.h"
#endif
namespace itk
{
// Partial specialization allows avoiding runtime type choice
template< typename TSelfPointer, typename TInputImage, typename TOutputImage, typename TPixel >
struct Dispatch_Inverse_New
{
static TSelfPointer Apply()
{
return VnlInverseFFTImageFilter< TInputImage, TOutputImage >
::New().GetPointer();
}
};
#ifdef ITK_USE_FFTWD
template < typename TSelfPointer, typename TInputImage, typename TOutputImage >
struct Dispatch_Inverse_New< TSelfPointer, TInputImage, TOutputImage, double >
{
static TSelfPointer Apply()
{
return FFTWInverseFFTImageFilter< TInputImage, TOutputImage >
::New().GetPointer();
}
};
#endif
#ifdef ITK_USE_FFTWF
template< typename TSelfPointer, typename TInputImage, typename TOutputImage >
struct Dispatch_Inverse_New< TSelfPointer, TInputImage, TOutputImage, float >
{
static TSelfPointer Apply()
{
return FFTWInverseFFTImageFilter< TInputImage, TOutputImage >
::New().GetPointer();
}
};
#endif
template< typename TInputImage, typename TOutputImage >
typename InverseFFTImageFilter< TInputImage, TOutputImage >::Pointer
InverseFFTImageFilter< TInputImage, TOutputImage >
::New(void)
{
Pointer smartPtr = ::itk::ObjectFactory< Self >::Create();
if ( smartPtr.IsNull() )
{
smartPtr = Dispatch_Inverse_New<Pointer, TInputImage, TOutputImage, OutputPixelType>::Apply();
}
return smartPtr;
}
template< typename TInputImage, typename TOutputImage >
void
InverseFFTImageFilter< TInputImage, TOutputImage >
::GenerateInputRequestedRegion()
{
Superclass::GenerateInputRequestedRegion();
// get pointers to the input and output
typename InputImageType::Pointer inputPtr =
const_cast< InputImageType * >( this->GetInput() );
if ( inputPtr )
{
inputPtr->SetRequestedRegionToLargestPossibleRegion();
}
}
template< typename TInputImage, typename TOutputImage >
void
InverseFFTImageFilter< TInputImage, TOutputImage >
::EnlargeOutputRequestedRegion(DataObject *)
{
this->GetOutput()
->SetRequestedRegion( this->GetOutput()->GetLargestPossibleRegion() );
}
template< typename TInputImage, typename TOutputImage >
SizeValueType
InverseFFTImageFilter< TInputImage, TOutputImage >
::GetSizeGreatestPrimeFactor() const
{
return 2;
}
}
#endif
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