itkAttributeLabelObject.h

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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.
 *
 *=========================================================================*/
#ifndef itkAttributeLabelObject_h
#define itkAttributeLabelObject_h
 
#include "itkLabelObject.h"
#include "itkLabelMap.h"
 
namespace itk
{
 
 
namespace Functor
{
 
template <typename TLabelObject>
class AttributeLabelObjectAccessor
{
public:
  using LabelObjectType = TLabelObject;
  using AttributeValueType = typename LabelObjectType::AttributeValueType;
 
  inline const AttributeValueType
  operator()(const LabelObjectType * labelObject)
  {
    return labelObject->GetAttribute();
  }
 
  inline void
  operator()(LabelObjectType * labelObject, AttributeValueType value)
  {
    labelObject->SetAttribute(value);
  }
};
 
} // namespace Functor
 

template <typename TLabel, unsigned int VImageDimension, typename TAttributeValue>
class ITK_TEMPLATE_EXPORT AttributeLabelObject : public LabelObject<TLabel, VImageDimension>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(AttributeLabelObject);

  using Self = AttributeLabelObject;
  using Superclass = LabelObject<TLabel, VImageDimension>;
  using Pointer = SmartPointer<Self>;
  using LabelObjectType = typename Superclass::LabelObjectType;
  using ConstPointer = SmartPointer<const Self>;
  using ConstWeakPointer = WeakPointer<const Self>;

  itkNewMacro(Self);

  itkOverrideGetNameOfClassMacro(AttributeLabelObject);
 
  using LabelMapType = LabelMap<Self>;
 
  static constexpr unsigned int ImageDimension = VImageDimension;
 
  using typename Superclass::IndexType;
 
  using LabelType = TLabel;
 
  using typename Superclass::LineType;
 
  using typename Superclass::LengthType;
 
  using AttributeValueType = TAttributeValue;
 
  void
  SetAttribute(const AttributeValueType & v)
  {
    m_Attribute = v;
  }
 
  const AttributeValueType &
  GetAttribute() const
  {
    return m_Attribute;
  }
 
  AttributeValueType
  GetAttribute()
  {
    return m_Attribute;
  }
 
  template <typename TSourceLabelObject>
  void
  CopyAttributesFrom(const TSourceLabelObject * src)
  {
    itkAssertOrThrowMacro((src != nullptr), "Null Pointer");
    Superclass::template CopyAttributesFrom<TSourceLabelObject>(src);
 
    m_Attribute = src->GetAttribute();
  }
 
  template <typename TSourceLabelObject>
  void
  CopyAllFrom(const TSourceLabelObject * src)
  {
    itkAssertOrThrowMacro((src != nullptr), "Null Pointer");
    this->template CopyLinesFrom<TSourceLabelObject>(src);
    this->template CopyAttributesFrom<TSourceLabelObject>(src);
  }
 
protected:
  AttributeLabelObject() = default;
 
 
  void
  PrintSelf(std::ostream & os, Indent indent) const override
  {
    Superclass::PrintSelf(os, indent);
 
    os << indent << "Attribute: " << m_Attribute << std::endl;
  }
 
private:
  AttributeValueType m_Attribute{};
};
 
} // end namespace itk
 
#endif