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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
/**
* \class AttributeLabelObject
* \brief A LabelObject with a generic attribute
*
* The attribute type is defined in the third template parameter.
* The attribute is then accessible with the GetAttribute() and SetAttribute
* methods or through the accessor itk::Functor::AttributeLabelObjectAccessor.
*
* \author Gaetan Lehmann. Biologie du Developpement et de la Reproduction, INRA de Jouy-en-Josas, France.
*
* This implementation was taken from the Insight Journal paper:
* https://www.insight-journal.org/browse/publication/176
*
* \sa LabelObject, ShapeLabelObject, StatisticsLabelObject
*
* \ingroup DataRepresentation
* \ingroup ITKLabelMap
*/
template <typename TLabel, unsigned int VImageDimension, typename TAttributeValue>
class ITK_TEMPLATE_EXPORT AttributeLabelObject : public LabelObject<TLabel, VImageDimension>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(AttributeLabelObject);
/** Standard class type aliases */
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>;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
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
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