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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 "itkBinaryImageToLevelSetImageAdaptor.h"
#include "itkLevelSetDomainPartitionImage.h"
#include "itkTestingMacros.h"
int
itkLevelSetDomainPartitionImageTest(int, char *[])
{
constexpr unsigned int Dimension = 2;
using InputPixelType = unsigned short;
using InputImageType = itk::Image<InputPixelType, Dimension>;
using IdentifierType = itk::IdentifierType;
using DomainPartitionSourceType = itk::LevelSetDomainPartitionImage<InputImageType>;
using ListImageType = DomainPartitionSourceType::ListImageType;
using LevelSetDomainRegionVectorType = DomainPartitionSourceType::LevelSetDomainRegionVectorType;
using ListType = ListImageType::PixelType;
using ListImageIteratorType = itk::ImageRegionConstIteratorWithIndex<ListImageType>;
// load binary mask
InputImageType::SizeType size;
size.Fill(50);
InputImageType::PointType origin;
origin[0] = 0.0;
origin[1] = 0.0;
InputImageType::SpacingType spacing;
spacing[0] = 1.0;
spacing[1] = 1.0;
InputImageType::IndexType index;
index.Fill(0);
InputImageType::RegionType region{ index, size };
// Binary initialization
auto binary = InputImageType::New();
binary->SetRegions(region);
binary->SetSpacing(spacing);
binary->SetOrigin(origin);
binary->Allocate();
binary->FillBuffer(InputPixelType{});
IdentifierType numberOfLevelSetFunctions = 2;
LevelSetDomainRegionVectorType regionVector;
regionVector.resize(numberOfLevelSetFunctions);
regionVector[0] = region;
regionVector[1] = region;
auto partitionSource = DomainPartitionSourceType::New();
ITK_EXERCISE_BASIC_OBJECT_METHODS(partitionSource, LevelSetDomainPartitionImage, LevelSetDomainPartitionBase);
// Exercise exceptions
ITK_TRY_EXPECT_EXCEPTION(partitionSource->PopulateListDomain());
partitionSource->SetNumberOfLevelSetFunctions(numberOfLevelSetFunctions);
partitionSource->SetLevelSetDomainRegionVector(regionVector);
LevelSetDomainRegionVectorType regionVectorObtained = partitionSource->GetLevelSetDomainRegionVector();
ITK_TEST_EXPECT_EQUAL(regionVector.size(), regionVectorObtained.size());
for (size_t i = 0; i < regionVector.size(); ++i)
{
ITK_TEST_EXPECT_EQUAL(regionVector[i], regionVectorObtained[i]);
}
partitionSource->SetImage(binary);
ITK_TEST_SET_GET_VALUE(binary, partitionSource->GetImage());
partitionSource->PopulateListDomain();
bool flag = true;
ListType ll;
ListImageType::ConstPointer listImage = partitionSource->GetListDomain();
ListImageIteratorType It(listImage, listImage->GetLargestPossibleRegion());
It.GoToBegin();
while (!It.IsAtEnd())
{
ll = It.Get();
if (ll.size() != 2)
{
flag = false;
break;
}
auto it = ll.begin();
while (it != ll.end())
{
if ((*it != 0) && (*it != 1))
{
flag = false;
break;
}
++it;
}
++It;
}
if (!flag)
{
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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