itkLevelSetContainer.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  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
 *
 *         http://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.
 *
 *=========================================================================*/

#ifndef itkLevelSetContainer_h
#define itkLevelSetContainer_h

#include "itkLevelSetContainerBase.h"

#include "itkLevelSetDenseImage.h"


namespace itk
{
template< typename TIdentifier, typename TLevelSet >
class LevelSetContainer :
public LevelSetContainerBase< TIdentifier, TLevelSet >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(LevelSetContainer);

  using Self = LevelSetContainer;
  using Superclass = LevelSetContainerBase< TIdentifier, TLevelSet >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkNewMacro ( Self );

  itkTypeMacro ( LevelSetContainer, LevelSetContainerBase );

  using LevelSetIdentifierType = typename Superclass::LevelSetIdentifierType;

  using LevelSetType = typename Superclass::LevelSetType;
  using LevelSetPointer = typename Superclass::LevelSetPointer;
  using InputIndexType = typename Superclass::InputIndexType;
  using OutputPixelType = typename Superclass::OutputType;
  using OutputRealType = typename Superclass::OutputRealType;
  using GradientType = typename Superclass::GradientType;
  using HessianType = typename Superclass::HessianType;

  using LevelSetContainerType = typename Superclass::LevelSetContainerType;
  using LevelSetContainerConstIteratorType = typename Superclass::LevelSetContainerConstIteratorType;
  using LevelSetContainerIteratorType = typename Superclass::LevelSetContainerIteratorType;

  using HeavisideType = typename Superclass::HeavisideType;
  using HeavisideConstPointer = typename Superclass::HeavisideConstPointer;

  static constexpr unsigned int Dimension = LevelSetType::Dimension;

  using IdListType = typename Superclass::IdListType;
  using IdListIterator = typename Superclass::IdListIterator;
  using IdListImageType = typename Superclass::IdListImageType;
  using CacheImageType = typename Superclass::CacheImageType;
  using DomainMapImageFilterType = typename Superclass::DomainMapImageFilterType;

  using DomainMapImageFilterPointer = typename Superclass::DomainMapImageFilterPointer;
  using LevelSetDomainType = typename Superclass::LevelSetDomainType;
  using DomainIteratorType = typename Superclass::DomainIteratorType;

protected:
  LevelSetContainer() = default;
  ~LevelSetContainer() override = default;
};

template< typename TIdentifier, typename TImage >
class LevelSetContainer< TIdentifier, LevelSetDenseImage< TImage > > :
public LevelSetContainerBase< TIdentifier, LevelSetDenseImage< TImage > >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(LevelSetContainer);

  using LevelSetType = LevelSetDenseImage< TImage >;

  using Self = LevelSetContainer;
  using Superclass = LevelSetContainerBase< TIdentifier, LevelSetType >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkNewMacro ( Self );

  itkTypeMacro ( LevelSetContainer, LevelSetContainerBase );

  using LevelSetIdentifierType = typename Superclass::LevelSetIdentifierType;

  using LevelSetPointer = typename Superclass::LevelSetPointer;
  using InputIndexType = typename Superclass::InputIndexType;
  using OutputPixelType = typename Superclass::OutputType;
  using OutputRealType = typename Superclass::OutputRealType;
  using GradientType = typename Superclass::GradientType;
  using HessianType = typename Superclass::HessianType;

  using LevelSetContainerType = typename Superclass::LevelSetContainerType;
  using LevelSetContainerConstIteratorType = typename Superclass::LevelSetContainerConstIteratorType;
  using LevelSetContainerIteratorType = typename Superclass::LevelSetContainerIteratorType;

  using HeavisideType = typename Superclass::HeavisideType;
  using HeavisideConstPointer = typename Superclass::HeavisideConstPointer;

  static constexpr unsigned int Dimension = LevelSetType::Dimension;

  using IdListType = typename Superclass::IdListType;
  using IdListIterator = typename Superclass::IdListIterator;
  using IdListImageType = typename Superclass::IdListImageType;
  using CacheImageType = typename Superclass::CacheImageType;
  using DomainMapImageFilterType = typename Superclass::DomainMapImageFilterType;

  using DomainMapImageFilterPointer = typename Superclass::DomainMapImageFilterPointer;
  using LevelSetDomainType = typename Superclass::LevelSetDomainType;
  using DomainIteratorType = typename Superclass::DomainIteratorType;

  using LevelSetImageType = typename LevelSetType::ImageType;
  using LevelSetImagePointer = typename LevelSetImageType::Pointer;

  void CopyInformationAndAllocate( const Self * iOther, const bool & iAllocate )
    {
    LevelSetContainerType internalContainer = iOther->GetContainer();
    LevelSetContainerConstIteratorType it = internalContainer.begin();

    LevelSetContainerType newContainer;

    while( it != internalContainer.end() )
      {
      if( iAllocate )
        {
        LevelSetPointer temp_ls = LevelSetType::New();

        LevelSetImagePointer image = LevelSetImageType::New();
        const LevelSetImageType * otherImage = (it->second)->GetImage();

        image->CopyInformation( otherImage );
        image->SetBufferedRegion( otherImage->GetBufferedRegion() );
        image->SetRequestedRegion( otherImage->GetRequestedRegion() );
        image->SetLargestPossibleRegion( otherImage->GetLargestPossibleRegion() );
        image->Allocate();
        image->FillBuffer( NumericTraits< OutputPixelType >::ZeroValue() );

        temp_ls->SetImage( image );
        newContainer[ it->first ] = temp_ls;
        newContainer[ it->first ]->SetDomainOffset( (it->second)->GetDomainOffset() );
        }
      else
        {
        LevelSetPointer temp_ls;
        newContainer[ it->first ] = temp_ls;
        }
      ++it;
      }

    this->SetContainer( newContainer );
    }

protected:
  LevelSetContainer() = default;
  ~LevelSetContainer() override = default;
};

}

#endif // itkLevelSetContainer_h