SphinxExamples/src/Core/Common/IsPixelInsideRegion/Code.cxx

/*=========================================================================
 *
 *  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 "itkImageRegion.h"
#include "itkIndex.h"
#include "itkSize.h"
 
int
main()
{
  constexpr unsigned int Dimension = 2;
 
  using RegionType = itk::ImageRegion<Dimension>;
  using SizeType = RegionType::SizeType;
  using IndexType = RegionType::IndexType;
 
  auto size = SizeType::Filled(3);
 
  IndexType start{};
 
  RegionType region(start, size);
 
  IndexType testPixel1;
  testPixel1[0] = 1;
  testPixel1[1] = 1;
 
  IndexType testPixel2;
  testPixel2[0] = 6;
  testPixel2[1] = 6;
 
  std::cout << testPixel1 << " ";
 
  if (region.IsInside(testPixel1))
  {
    std::cout << "Inside";
  }
  else
  {
    std::cout << "Outside";
    return EXIT_FAILURE;
  }
  std::cout << std::endl;
 
  std::cout << testPixel2 << " ";
  if (region.IsInside(testPixel2))
  {
    std::cout << "Inside";
    return EXIT_FAILURE;
  }
  else
  {
    std::cout << "Outside";
  }
  std::cout << std::endl;
 
  return EXIT_SUCCESS;
}