mitkPlanarArrow.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 mitkPlanarArrow_h
#define mitkPlanarArrow_h
 
#include <mitkPlanarFigure.h>
#include <MitkPlanarFigureExports.h>
 
namespace mitk
{
  class PlaneGeometry;
 
  class MITKPLANARFIGURE_EXPORT PlanarArrow : public PlanarFigure
  {
  public:
    mitkClassMacro(PlanarArrow, PlanarFigure);
 
    itkFactorylessNewMacro(Self);
 
    itkCloneMacro(Self);
 
      unsigned int GetMinimumNumberOfControlPoints() const override
    {
      return 2;
    }
 
    unsigned int GetMaximumNumberOfControlPoints() const override { return 2; }
 
    void SetArrowTipScaleFactor(float scale);
 
    bool Equals(const mitk::PlanarFigure &other) const override;
 
  protected:
    PlanarArrow();
    PlanarArrow(const Self& other);
 
    mitkCloneMacro(Self);
 
    void GeneratePolyLine() override;
 
    void GenerateHelperPolyLine(double mmPerDisplayUnit, unsigned int displayHeight) override;
 
    void EvaluateFeaturesInternal() override;
 
    void PrintSelf(std::ostream &os, itk::Indent indent) const override;
 
    // Feature identifiers
    const unsigned int FEATURE_ID_LENGTH;
 
    // ScaleFactor defining size of helper-lines in relation to display size
    float m_ArrowTipScaleFactor;
 
  private:
  };
 
} // namespace mitk
 
#endif