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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 "itkScalarRegionBasedLevelSetFunction.h"
namespace itk
{
template <typename TInput, // LevelSetImageType
typename TFeature, // FeatureImageType
typename TSharedData>
class ScalarRegionBasedLevelSetFunctionTestHelper
: public ScalarRegionBasedLevelSetFunction<TInput, TFeature, TSharedData>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(ScalarRegionBasedLevelSetFunctionTestHelper);
/** Standard class type aliases. */
using Self = ScalarRegionBasedLevelSetFunctionTestHelper;
using Superclass = ScalarRegionBasedLevelSetFunction<TInput, TFeature, TSharedData>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
static constexpr unsigned int ImageDimension = Superclass::ImageDimension;
itkNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(ScalarRegionBasedLevelSetFunctionTestHelper);
using typename Superclass::ScalarValueType;
using typename Superclass::FeaturePixelType;
using typename Superclass::FeatureIndexType;
ScalarValueType
ComputeInternalTerm(const FeaturePixelType &, const FeatureIndexType &) override
{
return ScalarValueType(0);
}
ScalarValueType
ComputeExternalTerm(const FeaturePixelType &, const FeatureIndexType &) override
{
return ScalarValueType(0);
}
ScalarValueType
ComputeOverlapParameters(const FeatureIndexType &, ScalarValueType &) override
{
return ScalarValueType(0);
}
void
ComputeParameters() override
{}
void
UpdateSharedDataParameters() override
{}
void
UpdateSharedDataInsideParameters(const unsigned int &, const FeaturePixelType &, const ScalarValueType &) override
{}
void
UpdateSharedDataOutsideParameters(const unsigned int &, const FeaturePixelType &, const ScalarValueType &) override
{}
protected:
ScalarRegionBasedLevelSetFunctionTestHelper() = default;
~ScalarRegionBasedLevelSetFunctionTestHelper() override = default;
};
template <unsigned int VDimension>
class ScalarRegionBasedLevelSetFunctionSharedDataHelper : public DataObject
{
public:
/** Standard class type aliases. */
using Self = ScalarRegionBasedLevelSetFunctionSharedDataHelper;
using Superclass = DataObject;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
itkNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(ScalarRegionBasedLevelSetFunctionSharedDataHelper);
unsigned long m_FunctionCount;
using IndexType = Index<VDimension>;
using ListPixelType = std::list<unsigned int>;
using ImageType = Image<ListPixelType, VDimension>;
typename ImageType::Pointer m_NearestNeighborListImage;
using PixelType = double;
using InputImageType = Image<PixelType, VDimension>;
struct SingleData
{
typename InputImageType::Pointer m_HeavisideFunctionOfLevelSetImage;
int m_WeightedNumberOfPixelsInsideLevelSet;
int m_WeightedSumOfPixelValuesInsideLevelSet;
int m_ForegroundConstantValues;
int m_WeightedNumberOfPixelsOutsideLevelSet;
int m_WeightedSumOfPixelValuesOutsideLevelSet;
int m_BackgroundConstantValues;
IndexType
GetFeatureIndex(const IndexType & indx)
{
return indx;
}
IndexType
GetIndex(const IndexType & globalIndex)
{
return globalIndex;
}
};
SingleData * m_LevelSetDataPointerVector[19];
};
} // namespace itk
int
itkScalarRegionBasedLevelSetFunctionTest(int, char *[])
{
constexpr unsigned int Dimension = 3;
using PixelType = double;
using ImageType = itk::Image<PixelType, Dimension>;
using FeatureImageType = itk::Image<float, Dimension>;
using DataHelperType = itk::ScalarRegionBasedLevelSetFunctionSharedDataHelper<Dimension>;
using RegionBasedLevelSetFunctionType =
itk::ScalarRegionBasedLevelSetFunctionTestHelper<ImageType, FeatureImageType, DataHelperType>;
auto function = RegionBasedLevelSetFunctionType::New();
if (function.IsNull())
{
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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