itkSpatialObjectPoint.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 itkSpatialObjectPoint_h
#define itkSpatialObjectPoint_h
 
#include "itkSpatialObject.h"
 
#include "itkPoint.h"
#include "vnl/vnl_vector_fixed.h"
#include "itkRGBAPixel.h"
 
 
namespace itk
{
 
template <unsigned int TDimension, class TSpatialObjectPointType>
class PointBasedSpatialObject;
 
template <unsigned int TPointDimension = 3>
class ITK_TEMPLATE_EXPORT SpatialObjectPoint
{
public:
  ITK_DEFAULT_COPY_AND_MOVE(SpatialObjectPoint);
 
  using PointDimensionType = unsigned int;
 
  static constexpr PointDimensionType PointDimension = TPointDimension;

  SpatialObjectPoint();

  virtual ~SpatialObjectPoint() = default;

  itkVirtualGetNameOfClassMacro(SpatialObjectPoint);
 
  using Self = SpatialObjectPoint;
 
  using SpatialObjectType = SpatialObject<TPointDimension>;
 
  using PointType = Point<double, TPointDimension>;
  using VectorType = vnl_vector<double>;
  using ColorType = RGBAPixel<double>;

  void
  SetId(int id)
  {
    m_Id = id;
  }

  int
  GetId() const
  {
    return m_Id;
  }

  void
  SetPositionInObjectSpace(const PointType & newPositionInObjectSpace)
  {
    m_PositionInObjectSpace = newPositionInObjectSpace;
  }
 
  template <typename... TCoordinate>
  void
  SetPositionInObjectSpace(const double firstCoordinate, const TCoordinate... otherCoordinate)
  {
    static_assert((1 + sizeof...(otherCoordinate)) == TPointDimension,
                  "The number of coordinates must be equal to the dimensionality!");
    const double coordinates[] = { firstCoordinate, static_cast<double>(otherCoordinate)... };
    m_PositionInObjectSpace = coordinates;
  }

  const PointType &
  GetPositionInObjectSpace() const
  {
    return m_PositionInObjectSpace;
  }
 
  void
  SetSpatialObject(SpatialObjectType * so)
  {
    m_SpatialObject = so;
  }
 
  SpatialObjectType *
  GetSpatialObject() const
  {
    return m_SpatialObject;
  }

  void
  SetPositionInWorldSpace(const PointType & point);

  PointType
  GetPositionInWorldSpace() const;

  void
  SetColor(ColorType color)
  {
    m_Color = color;
  }
 
  ColorType
  GetColor() const
  {
    return m_Color;
  }

  void
  SetColor(double r, double g, double b, double a = 1);

  void
  SetRed(double r)
  {
    m_Color.SetRed(r);
  }
 
  double
  GetRed() const
  {
    return m_Color.GetRed();
  }

  void
  SetGreen(double g)
  {
    m_Color.SetGreen(g);
  }
 
  double
  GetGreen() const
  {
    return m_Color.GetGreen();
  }

  void
  SetBlue(double b)
  {
    m_Color.SetBlue(b);
  }
 
  double
  GetBlue() const
  {
    return m_Color.GetBlue();
  }

  void
  SetAlpha(double a)
  {
    m_Color.SetAlpha(a);
  }
 
  double
  GetAlpha() const
  {
    return m_Color.GetAlpha();
  }
 
  void
  SetTagScalarValue(const std::string & tag, double value);
 
  bool
  GetTagScalarValue(const std::string & tag, double & value) const;
 
  double
  GetTagScalarValue(const std::string & tag) const;
 
  std::map<std::string, double> &
  GetTagScalarDictionary();
 
  const std::map<std::string, double> &
  GetTagScalarDictionary() const;
 
  void
  SetTagScalarDictionary(const std::map<std::string, double> & dict);

  void
  Print(std::ostream & os) const
  {
    this->PrintSelf(os, 3);
  }
 
protected:
  virtual void
  PrintSelf(std::ostream & os, Indent indent) const;

  int m_Id{};

  PointType m_PositionInObjectSpace{};

  ColorType m_Color{};

  std::map<std::string, double> m_ScalarDictionary{};
 
 
  // The SpatialObjectPoint keeps a reference to its owning parent
  // spatial object for its spatial context. A WeakPointer is used to
  // avoid a memory leak.
  WeakPointer<SpatialObjectType> m_SpatialObject{};
};
 
} // end of namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkSpatialObjectPoint.hxx"
#endif
 
#endif // itkSpatialObjectPoint_h