Flower2D.h

 
#pragma once
 
#if defined(Flower2D_RECURSES)
#error Recursive header files inclusion detected in Flower2D.h
#else // defined(Flower2D_RECURSES)
#define Flower2D_RECURSES
 
#if !defined Flower2D_h
#define Flower2D_h
 
// Inclusions
#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/shapes/parametric/StarShaped2D.h"
#include <cmath>
 
namespace DGtal
{
 
  // template class Flower2D
  template <typename TSpace>
  class Flower2D final:  public StarShaped2D<TSpace>
  {
    // ----------------------- Standard services ------------------------------
  public:
 
    typedef TSpace Space;
    typedef typename Space::RealPoint RealPoint;
    typedef typename Space::RealVector RealVector;
 
    Flower2D() = delete;
 
    Flower2D( const double x0, const double y0,
        const double r,
        const double smallr,
        const unsigned int k,
        const double phi );
 
    Flower2D( const RealPoint& aPoint,
       const double r,
       const double smallr,
       const unsigned int k,
       const double phi );
 
    Flower2D( const Flower2D& other );
 
    Flower2D& operator=( const Flower2D& other ) = delete;
 
    ~Flower2D() = default;
 
 
    // ------------- Implementation of 'StarShaped' services ------------------
  public:
 
    RealPoint getLowerBound() const
    {
      return myCenter - (myRadius + myVarRadius);
    }
 
    RealPoint getUpperBound() const
    {
      return myCenter + (myRadius + myVarRadius);
    }
 
    RealPoint center() const
    {
      return myCenter;
    }
 
    inline
    void moveTo( const RealPoint& newCenter )
    {
      myCenter = newCenter;
    }
 
    double parameter( const RealPoint & p ) const;
 
 
    RealPoint x( const double t ) const;
 
    RealVector xp( const double t ) const;
 
    RealVector xpp( const double t ) const;
 
 
    // ------------------------- data ----------------------------
  private:
 
    RealPoint myCenter;
 
    double myRadius;
 
    double myVarRadius;
 
    unsigned int myK;
 
    double myPhi;
 
    // ----------------------- Interface --------------------------------------
  public:
 
    void selfDisplay ( std::ostream & out ) const;
 
    bool isValid() const;
 
  }; // end of class Flower2D
 
 
  template <typename T>
  std::ostream&
  operator<< ( std::ostream & out, const Flower2D<T> & object );
 
} // namespace DGtal
 
 
// Includes inline functions.
#include "DGtal/shapes/parametric/Flower2D.ih"
 
//                                                                           //
 
#endif // !defined Flower2D_h
 
#undef Flower2D_RECURSES
#endif // else defined(Flower2D_RECURSES)