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/*=========================================================================
Program: VMTK
Module: vtkvmtkITKFilterUtilities.h
Language: C++
Date: $Date: 2006/04/06 16:48:25 $
Version: $Revision: 1.2 $
Copyright (c) Luca Antiga, David Steinman. All rights reserved.
See LICENCE file for details.
Portions of this code are covered under the VTK copyright.
See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.htm
for details.
Portions of this code are covered under the ITK copyright.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm
for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
// .NAME vtkvmtkITKFilterUtilities - Abstract class for wrapping ITK filters
// .SECTION Description
// vtkvmtkSimpleImageToImageITKFilter
#ifndef __vtkvmtkITKFilterUtilities_h
#define __vtkvmtkITKFilterUtilities_h
#include "vtkvmtkITKFilterUtilities.h"
#include "vtkvmtkWin32Header.h"
#include "vtkImageData.h"
#include "itkImage.h"
class VTK_VMTK_SEGMENTATION_EXPORT vtkvmtkITKFilterUtilities
{
public:
template<typename TImage>
static void
VTKToITKImage(vtkImageData* input, typename TImage::Pointer output) {
typedef TImage ImageType;
typedef typename ImageType::Pointer ImagePointer;
typedef typename ImageType::PixelType PixelType;
int dims[3];
input->GetDimensions(dims);
double spacing[3];
input->GetSpacing(spacing);
output->GetPixelContainer()->SetImportPointer(static_cast<PixelType*>(input->GetScalarPointer()),dims[0]*dims[1]*dims[2],false);
typename ImageType::RegionType region;
typename ImageType::IndexType index;
typename ImageType::SizeType size;
index[0] = index[1] = index[2] = 0;
size[0] = dims[0];
size[1] = dims[1];
size[2] = dims[2];
region.SetIndex(index);
region.SetSize(size);
output->SetLargestPossibleRegion(region);
output->SetBufferedRegion(region);
output->SetSpacing(spacing);
}
template<typename TImage>
static void
ITKToVTKImage(typename TImage::Pointer input, vtkImageData* output) {
typedef TImage ImageType;
typedef typename ImageType::Pointer ImagePointer;
typedef typename ImageType::PixelType PixelType;
//TODO: make sure output has the right number of pixels
memcpy(static_cast<PixelType*>(output->GetScalarPointer()),input->GetBufferPointer(),input->GetBufferedRegion().GetNumberOfPixels()*sizeof(PixelType));
}
protected:
vtkvmtkITKFilterUtilities() {};
~vtkvmtkITKFilterUtilities() {};
private:
vtkvmtkITKFilterUtilities(const vtkvmtkITKFilterUtilities&); // Not implemented.
void operator=(const vtkvmtkITKFilterUtilities&); // Not implemented.
};
#if 0
template< class TInputPixel, class TOutputPixel>
void
vtkvmtkSimpleImageToImageITKFilter<TInputPixel,TOutputPixel>::
SimpleExecute(vtkImageData *input, vtkImageData *output)
{
int inputDims[3];
input->GetDimensions(inputDims);
double inputSpacing[3];
input->GetSpacing(inputSpacing);
InputImagePointer inImage = InputImageType::New();
inImage->GetPixelContainer()->SetImportPointer(static_cast<InputPixelType*>(input->GetScalarPointer()),inputDims[0]*inputDims[1]*inputDims[2],false);
typename InputImageType::RegionType inputRegion;
typename InputImageType::IndexType inputIndex;
typename InputImageType::SizeType inputSize;
inputIndex[0] = inputIndex[1] = inputIndex[2] = 0;
inputSize[0] = inputDims[0];
inputSize[1] = inputDims[1];
inputSize[2] = inputDims[2];
inputRegion.SetIndex(inputIndex);
inputRegion.SetSize(inputSize);
inImage->SetLargestPossibleRegion(inputRegion);
inImage->SetBufferedRegion(inputRegion);
inImage->SetSpacing(inputSpacing);
int outputDims[3];
output->GetDimensions(outputDims);
double outputSpacing[3];
output->GetSpacing(outputSpacing);
OutputImagePointer outImage = OutputImageType::New();
outImage->GetPixelContainer()->SetImportPointer(static_cast<OutputPixelType*>(output->GetScalarPointer()),outputDims[0]*outputDims[1]*outputDims[2],false);
typename OutputImageType::RegionType outputRegion;
typename OutputImageType::IndexType outputIndex;
typename OutputImageType::SizeType outputSize;
outputIndex[0] = outputIndex[1] = outputIndex[2] = 0;
outputSize[0] = outputDims[0];
outputSize[1] = outputDims[1];
outputSize[2] = outputDims[2];
outputRegion.SetIndex(outputIndex);
outputRegion.SetSize(outputSize);
outImage->SetLargestPossibleRegion(outputRegion);
outImage->SetBufferedRegion(outputRegion);
outImage->SetSpacing(outputSpacing);
this->SimpleExecuteITK(inImage,outImage);
memcpy(static_cast<OutputPixelType*>(output->GetScalarPointer()),outImage->GetBufferPointer(),outImage->GetBufferedRegion().GetNumberOfPixels()*sizeof(OutputPixelType));
}
typedef vtkvmtkSimpleImageToImageITKFilter<float,float> vtkvmtkSimpleImageToImageITKFilterFF;
#endif
#endif
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