mitkPlanarBezierCurve.h

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/*===================================================================

The Medical Imaging Interaction Toolkit (MITK)

Copyright (c) German Cancer Research Center,
Division of Medical and Biological Informatics.
All rights reserved.

This software is distributed WITHOUT ANY WARRANTY; without
even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE.

See LICENSE.txt or http://www.mitk.org for details.

===================================================================*/

#ifndef mitkPlanarBezierCurve_h
#define mitkPlanarBezierCurve_h

#include <MitkPlanarFigureExports.h>
#include <mitkPlanarFigure.h>

namespace mitk
{
  class MITKPLANARFIGURE_EXPORT PlanarBezierCurve : public PlanarFigure
  {
  public:
    mitkClassMacro(PlanarBezierCurve, PlanarFigure) itkFactorylessNewMacro(Self) itkCloneMacro(Self)

      unsigned int GetNumberOfSegments() const;
    void SetNumberOfSegments(unsigned int numSegments);

    int GetControlPointForPolylinePoint(int indexOfPolylinePoint, int polyLineIndex) const override;

    virtual unsigned int GetMaximumNumberOfControlPoints() const override;
    virtual unsigned int GetMinimumNumberOfControlPoints() const override;
    virtual bool IsHelperToBePainted(unsigned int index) const override;

    const unsigned int FEATURE_ID_LENGTH;

    virtual bool Equals(const mitk::PlanarFigure &other) const override;

  protected:
    PlanarBezierCurve();

    mitkCloneMacro(Self)

      virtual void EvaluateFeaturesInternal() override;
    virtual void GenerateHelperPolyLine(double, unsigned int) override;
    virtual void GeneratePolyLine() override;

  private:
    Point2D ComputeDeCasteljauPoint(ScalarType t);

    std::vector<mitk::Point2D> m_DeCasteljauPoints;
    unsigned int m_NumberOfSegments;
  };
}

#endif