mitkPlanarCircle.h

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/*============================================================================
 
The Medical Imaging Interaction Toolkit (MITK)
 
Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.
 
Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.
 
============================================================================*/
 
#ifndef mitkPlanarCircle_h
#define mitkPlanarCircle_h
 
#include <mitkPlanarFigure.h>
#include <MitkPlanarFigureExports.h>
 
namespace mitk
{
  class PlaneGeometry;
 
  class MITKPLANARFIGURE_EXPORT PlanarCircle : public PlanarFigure
  {
  public:
    mitkClassMacro(PlanarCircle, PlanarFigure);
    mitkNewMacro1Param(PlanarCircle, double);
    itkFactorylessNewMacro(Self);
 
    itkCloneMacro(Self);
 
      bool SetControlPoint(unsigned int index, const Point2D &point, bool createIfDoesNotExist = false) override;
 
    unsigned int GetMinimumNumberOfControlPoints() const override { return (m_RadiusFixed) ? 1 : 2; }
    unsigned int GetMaximumNumberOfControlPoints() const override { return (m_RadiusFixed) ? 1 : 2; }
 
    void SetMinimumRadius(double radius) { m_MinRadius = radius; }
    double GetMinimumRadius() { return m_MinRadius; }
    void SetMaximumRadius(double radius) { m_MaxRadius = radius; }
    double GetMaximumRadius() { return m_MaxRadius; }
 
    void ActivateMinMaxRadiusContstraints(bool active) { m_MinMaxRadiusContraintsActive = active; }
 
    bool SetCurrentControlPoint(const Point2D &point) override;
 
    bool Equals(const mitk::PlanarFigure &other) const override;
 
  protected:
    PlanarCircle();
    PlanarCircle(double fixedRadius);
    PlanarCircle(const Self& other);
 
    mitkCloneMacro(Self);
 
    void GeneratePolyLine() override;
 
    void GenerateHelperPolyLine(double mmPerDisplayUnit, unsigned int displayHeight) override;
 
    Point2D ApplyControlPointConstraints(unsigned int index, const Point2D &point) override;
 
    void EvaluateFeaturesInternal() override;
 
    void PrintSelf(std::ostream &os, itk::Indent indent) const override;
 
    // Feature identifiers
    const unsigned int FEATURE_ID_RADIUS;
    const unsigned int FEATURE_ID_DIAMETER;
    const unsigned int FEATURE_ID_AREA;
 
    // Member variables:
    double m_MinRadius;
    double m_MaxRadius;
    bool m_MinMaxRadiusContraintsActive;
    //indicate if the circle is created with fixed radius. The radius is stored in m_MinRadius
    bool m_RadiusFixed;
 
  private:
  };
 
} // namespace mitk
 
#endif