CompositeT.hh

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//=============================================================================
//
//  CLASS CompositeT
//
//=============================================================================

#ifndef OPENMESH_SUBDIVIDER_UNIFORM_COMPOSITE_HH
#define OPENMESH_SUBDIVIDER_UNIFORM_COMPOSITE_HH


//== INCLUDES =================================================================

#include <string>
#include <vector>
// --------------------
#include <OpenMesh/Tools/Subdivider/Uniform/SubdividerT.hh>

//== NAMESPACE ================================================================

namespace OpenMesh   { // BEGIN_NS_OPENMESH
namespace Subdivider { // BEGIN_NS_DECIMATER
namespace Uniform    { // BEGIN_NS_UNIFORM


//== CLASS DEFINITION =========================================================

template <typename MeshType, typename RealType=float > 
class CompositeT : public SubdividerT< MeshType, RealType >
{
public:

  typedef RealType                                real_t;
  typedef MeshType                                mesh_t;
  typedef SubdividerT< mesh_t, real_t >           parent_t;

public:

  CompositeT(void) : parent_t(), p_mesh_(NULL) {}
  CompositeT(MeshType& _mesh) : parent_t(_mesh), p_mesh_(NULL) {};
  virtual ~CompositeT() { }

public: // inherited interface

  virtual const char *name( void ) const = 0;

protected: // inherited interface

  bool prepare( MeshType& _m );

  bool subdivide( MeshType& _m, size_t _n, const bool _update_points = true  )
  {
    assert( p_mesh_ == &_m );

    while(_n--)
    {
      apply_rules();
      commit(_m);
    }
   
    return true;
  }

#ifdef NDEBUG
  bool cleanup( MeshType& ) 
#else
  bool cleanup( MeshType& _m ) 
#endif
  { 
    assert( p_mesh_ == &_m );
    p_mesh_=NULL; 
    return true; 
  }

protected:

  virtual void apply_rules(void) = 0;

protected:

  void commit( MeshType &_m)
  {
    typename MeshType::VertexIter v_it;

    for (v_it=_m.vertices_begin(); v_it != _m.vertices_end(); ++v_it)
      _m.set_point(*v_it, _m.data(*v_it).position());
  }

  
public:

  struct Coeff
  {
    virtual ~Coeff() { }
    virtual double operator() (size_t _valence) = 0;
  };


protected:

  typedef typename MeshType::Scalar         scalar_t;
  typedef typename MeshType::VertexHandle   VertexHandle;
  typedef typename MeshType::FaceHandle     FaceHandle;
  typedef typename MeshType::EdgeHandle     EdgeHandle;
  typedef typename MeshType::HalfedgeHandle HalfedgeHandle;



  
  void Tvv3(); 
  void Tvv4(); 
  void Tfv();  

  void FF();                 
  void FFc(Coeff& _coeff);   
  void FFc(scalar_t _c);     

  void FV();                 
  void FVc(Coeff& _coeff);   
  void FVc(scalar_t _c);     

  void FE();                 

  void VF();                 
  void VFa(Coeff& _coeff);   
  void VFa(scalar_t _alpha); 

  void VV();                  
  void VVc(Coeff& _coeff);    
  void VVc(scalar_t _c);      

  void VE();                  

  
  void VdE();             
  void VdEc(scalar_t _c); 
  
  void VdEg(Coeff& _coeff);
  void VdEg(scalar_t _gamma);

  void EF();               
  
  void EV();               
  void EVc(Coeff& _coeff); 
  void EVc(scalar_t _c);   

  void EdE();              
  void EdEc(scalar_t _c);  



  void corner_cutting(HalfedgeHandle _heh);

  VertexHandle split_edge(HalfedgeHandle _heh);

private:

  MeshType* p_mesh_;

};


//=============================================================================
} // END_NS_UNIFORM
} // END_NS_SUBDIVIDER
} // END_NS_OPENMESH
//=============================================================================
#if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_SUBDIVIDER_UNIFORM_COMPOSITE_CC)
#define OPENMESH_SUBDIVIDER_TEMPLATES
#include "CompositeT.cc"
#endif
//=============================================================================
#endif // COMPOSITET_HH defined
//=============================================================================