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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 itkScalarToArrayCastImageFilter_hxx
#define itkScalarToArrayCastImageFilter_hxx
#if !defined( ITK_LEGACY_REMOVE )
#include "itkScalarToArrayCastImageFilter.h"
#include "itkImageRegionIterator.h"
#include "itkProgressReporter.h"
#include "itkPixelTraits.h"
namespace itk
{
/**
* Constructor
*/
template< typename TInputImage, typename TOutputImage >
ScalarToArrayCastImageFilter< TInputImage, TOutputImage >
::ScalarToArrayCastImageFilter()
{
this->SetNumberOfRequiredInputs
(PixelTraits< OutputImagePixelType >::Dimension);
}
/**
* ThreadedGenerateData Performs the pixel-wise addition
*/
template< typename TInputImage, typename TOutputImage >
void
ScalarToArrayCastImageFilter< TInputImage, TOutputImage >
::ThreadedGenerateData(const OutputImageRegionType & outputRegionForThread,
ThreadIdType threadId)
{
unsigned int length =
PixelTraits< OutputImagePixelType >::Dimension;
std::vector< const TInputImage * > inputs;
std::vector< ImageRegionConstIterator< TInputImage > > i_iters;
for ( unsigned int i = 0; i < length; i++ )
{
inputs.push_back( this->GetInput(i) );
i_iters.push_back(
ImageRegionConstIterator< TInputImage >
(inputs[i], outputRegionForThread) );
( i_iters[i] ).GoToBegin();
}
typename TOutputImage::Pointer outputPtr = this->GetOutput(0);
ImageRegionIterator< TOutputImage > outputIt(outputPtr, outputRegionForThread);
ProgressReporter progress( this,
threadId,
outputRegionForThread.GetNumberOfPixels() );
outputIt.GoToBegin();
typename TOutputImage::PixelType arrayPixel;
while ( !outputIt.IsAtEnd() )
{
for ( unsigned int j = 0; j < length; j++ )
{
arrayPixel[j] = ( i_iters[j] ).Get();
++( i_iters[j] );
}
outputIt.Set(arrayPixel);
++outputIt;
progress.CompletedPixel();
}
}
} // end namespace itk
#endif //#if !defined( ITK_LEGACY_REMOVE )
#endif
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