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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://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.
*
*=========================================================================*/
#include <iostream>
#include "itkImage.h"
// This routine is used to make sure that we call the "const" version
// of GetPixel() (via the operator[])
template <typename T, unsigned int VImageDimension>
void
TestConstPixelAccess(const itk::Image<T, VImageDimension> & in, itk::Image<T, VImageDimension> & out)
{
typename itk::Image<T, VImageDimension>::IndexType regionStartIndex3D = { { 5, 10, 15 } };
typename itk::Image<T, VImageDimension>::IndexType regionEndIndex3D = { { 8, 15, 17 } };
T vec;
vec[0] = 5;
vec[1] = 4;
vec[2] = 3;
vec[3] = 2;
vec[4] = 1;
out[regionStartIndex3D] = vec;
out[regionEndIndex3D] = in[regionStartIndex3D];
}
int
itkPixelAccessTest(int, char *[])
{
std::cout << "Creating an image" << std::endl;
itk::Image<itk::Vector<unsigned short, 5>, 3>::Pointer o3 = itk::Image<itk::Vector<unsigned short, 5>, 3>::New();
float origin3D[3] = { 5.0f, 2.1f, 8.1f };
float spacing3D[3] = { 1.5f, 2.1f, 1.0f };
itk::Image<itk::Vector<unsigned short, 5>, 3>::SizeType imageSize3D = { { 20, 40, 60 } };
itk::Image<itk::Vector<unsigned short, 5>, 3>::SizeType bufferSize3D = { { 8, 20, 14 } };
itk::Image<itk::Vector<unsigned short, 5>, 3>::IndexType startIndex3D = { { 5, 4, 1 } };
itk::Image<itk::Vector<unsigned short, 5>, 3>::IndexType bufferStartIndex3D = { { 2, 3, 5 } };
itk::Image<itk::Vector<unsigned short, 5>, 3>::IndexType regionStartIndex3D = { { 5, 10, 12 } };
itk::Image<itk::Vector<unsigned short, 5>, 3>::IndexType regionEndIndex3D = { { 8, 15, 17 } };
itk::Image<itk::Vector<unsigned short, 5>, 3>::RegionType region{ startIndex3D, imageSize3D };
o3->SetLargestPossibleRegion(region);
region.SetSize(bufferSize3D);
region.SetIndex(bufferStartIndex3D);
o3->SetBufferedRegion(region);
o3->SetOrigin(origin3D);
o3->SetSpacing(spacing3D);
o3->Allocate();
std::cout << "Setting/Getting a pixel" << std::endl;
itk::Vector<unsigned short, 5> vec;
vec[0] = 5;
vec[1] = 4;
vec[2] = 3;
vec[3] = 2;
vec[4] = 1;
(*o3)[regionStartIndex3D] = vec;
(*o3)[regionEndIndex3D] = (*o3)[regionStartIndex3D];
TestConstPixelAccess(*o3, *o3);
return EXIT_SUCCESS;
}
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