ITK  5.3.0
Insight Toolkit
SphinxExamples/src/Developer/InplaceImageFilter.cxx
#include "itkImage.h"
#include "MyInPlaceImageFilter.h"
template <typename TImage>
static void
CreateImage(TImage * const image);
int
main(int, char *[])
{
// Setup types
using ImageType = itk::Image<int, 2>;
using FilterType = itk::MyInPlaceImageFilter<ImageType>;
ImageType::Pointer image = ImageType::New();
CreateImage(image.GetPointer());
// Create and the filter
FilterType::Pointer filter = FilterType::New();
filter->SetInput(image);
filter->SetInPlace(true);
filter->Update();
itk::Index<2> cornerPixel = image->GetLargestPossibleRegion().GetIndex();
// The output here should be "3"
std::cout << "Filter output:" << std::endl;
std::cout << filter->GetOutput()->GetPixel(cornerPixel) << std::endl;
// The follow calls fail. This is because the output has stolen the input's
// buffer and the input has no image buffer.
// std::cout << "Image output:" << std::endl;
// std::cout << image->GetPixel(cornerPixel) << std::endl;
return EXIT_SUCCESS;
}
template <typename TImage>
void
CreateImage(TImage * const image)
{
// Create an image with 2 connected components
typename TImage::IndexType corner = { { 0, 0 } };
unsigned int NumRows = 200;
unsigned int NumCols = 300;
typename TImage::SizeType size = { { NumRows, NumCols } };
typename TImage::RegionType region(corner, size);
image->SetRegions(region);
image->Allocate();
image->FillBuffer(0);
}
itk::Index
Represent a n-dimensional index in a n-dimensional image.
Definition: itkIndex.h:66
itkImageFileReader.h
itk::GTest::TypedefsAndConstructors::Dimension2::SizeType
ImageBaseType::SizeType SizeType
Definition: itkGTestTypedefsAndConstructors.h:49
itkImage.h
itk::GTest::TypedefsAndConstructors::Dimension2::IndexType
ImageBaseType::IndexType IndexType
Definition: itkGTestTypedefsAndConstructors.h:50
itk::Index::GetIndex
const IndexValueType * GetIndex() const
Definition: itkIndex.h:228
itk::GTest::TypedefsAndConstructors::Dimension2::RegionType
ImageBaseType::RegionType RegionType
Definition: itkGTestTypedefsAndConstructors.h:54
itkImageFileWriter.h
itk::Image
Templated n-dimensional image class.
Definition: itkImage.h:86