quadsubdiv.hh

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#ifndef quadsubdiv_hh
#define quadsubdiv_hh
 
#include <iostream>
#include "subdivision.hh"
 
namespace concepts {
 
  // forward declaration
  class Vertex;
  class Connector1;
  class Edge;
  class Quad;
  class InfiniteEdge;
  class InfiniteQuad;
 
  // ******************************************************* QuadSubdivision **
 
  class QuadSubdivision : public Subdivision {
  public:
    virtual void createChildren(Quad& q) const = 0;
    virtual void removeChildren(Quad& q) const = 0;
    virtual Edge* newEdge(const Quad& q, uint i) const = 0;
    virtual Vertex* newVertex(const Quad& q, uint i) const = 0;
  };
 
  // *********************************************************** QuadSubdiv4 **
 
  class QuadSubdiv4 : public QuadSubdivision {
  public:
    virtual void createChildren(Quad& q) const;
    virtual void removeChildren(Quad& q) const;
    virtual Edge* newEdge(const Quad& q, uint i) const;
    virtual Vertex* newVertex(const Quad& q, uint i) const;
    static const QuadSubdiv4* instance();
    virtual ~QuadSubdiv4();
  protected:
    virtual std::ostream& info(std::ostream& os) const;
  private:
    static std::unique_ptr<QuadSubdiv4> instance_;
  };
 
  // ********************************************************** QuadSubdiv2H **
 
  class QuadSubdiv2H : public QuadSubdivision {
  public:
    virtual void createChildren(Quad& q) const;
    virtual void removeChildren(Quad& q) const;
    virtual Edge* newEdge(const Quad& q, uint i) const;
    virtual Vertex* newVertex(const Quad& q, uint i) const;
    static const QuadSubdiv2H* instance();
    virtual ~QuadSubdiv2H();
  protected:
    virtual std::ostream& info(std::ostream& os) const;
  private:
    static std::unique_ptr<QuadSubdiv2H> instance_;
  };
 
  // ********************************************************** QuadSubdiv2V **
 
  class QuadSubdiv2V : public QuadSubdivision {
  public:
    virtual void createChildren(Quad& q) const;
    virtual void removeChildren(Quad& q) const;
    virtual Edge* newEdge(const Quad& q, uint i) const;
    virtual Vertex* newVertex(const Quad& q, uint i) const;
    static const QuadSubdiv2V* instance();
    virtual ~QuadSubdiv2V();
  protected:
    virtual std::ostream& info(std::ostream& os) const;
  private:
    static std::unique_ptr<QuadSubdiv2V> instance_;
  };
 
  // ******************************************************* InfQuadSubdivision **
 
  class InfQuadSubdivision : public Subdivision {
  public:
    virtual void createChildren(InfiniteQuad& q) const = 0;
    virtual void removeChildren(InfiniteQuad& q) const = 0;
    virtual Connector1* newEdge(const InfiniteQuad& q, uint i) const = 0;
    virtual Vertex* newVertex(const InfiniteQuad& q, uint i) const = 0;
  };
 
  // ******************************************************* InfQuadSubdiv2V **
 
  class InfQuadSubdiv2V : public InfQuadSubdivision {
  public:
    virtual void createChildren(InfiniteQuad& q) const;
    virtual void removeChildren(InfiniteQuad& q) const;
    virtual Connector1* newEdge(const InfiniteQuad& q, uint i) const;
    virtual Vertex* newVertex(const InfiniteQuad& q, uint i) const;
    static const InfQuadSubdiv2V* instance();
    virtual ~InfQuadSubdiv2V();
  protected:
    virtual std::ostream& info(std::ostream& os) const;
  private:
    static std::unique_ptr<InfQuadSubdiv2V> instance_;
  };
 
 
} // namespace concepts
 
#endif // quadsubdiv_hh