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  /*===========================================================================*\
   *                                                                           *
   *   $Revision$                                                         *
   *   $Date$                   *
   *                                                                           *
  \*===========================================================================*/
  
  /** \file McDecimaterT.hh
   */
  
  //=============================================================================
  //
  //  CLASS McDecimaterT
  //
  //=============================================================================
  
  #ifndef OPENMESH_MC_DECIMATER_DECIMATERT_HH
  #define OPENMESH_MC_DECIMATER_DECIMATERT_HH
  
  
  //== INCLUDES =================================================================
  
  #include <memory>
  #include <OpenMesh/Tools/Decimater/BaseDecimaterT.hh>
  
  
  
  //== NAMESPACE ================================================================
  
  namespace OpenMesh  {
  namespace Decimater {
  
  
  //== CLASS DEFINITION =========================================================
  
  
  /** Multiple choice decimater framework
      \see BaseModT, \ref decimater_docu
  */
  template < typename MeshT >
  class McDecimaterT : virtual public BaseDecimaterT<MeshT> //virtual especially for the mixed decimater
  {
  public: //-------------------------------------------------------- public types
  
    typedef McDecimaterT< MeshT >         Self;
    typedef MeshT                         Mesh;
    typedef CollapseInfoT<MeshT>          CollapseInfo;
    typedef ModBaseT<MeshT>               Module;
    typedef std::vector< Module* >        ModuleList;
    typedef typename ModuleList::iterator ModuleListIterator;
  
  public: //------------------------------------------------------ public methods
  
    /// Constructor
    McDecimaterT( Mesh& _mesh );
  
    /// Destructor
    ~McDecimaterT();
  
  public:
  
    /** Decimate (perform _n_collapses collapses). Return number of
        performed collapses. If _n_collapses is not given reduce as
        much as possible */
    size_t decimate( size_t _n_collapses );
  
    /// Decimate to target complexity, returns number of collapses
    size_t decimate_to( size_t  _n_vertices )
    {
      return ( (_n_vertices < this->mesh().n_vertices()) ?
  	     decimate( this->mesh().n_vertices() - _n_vertices ) : 0 );
    }
  
    /** Decimate to target complexity (vertices and faces).
     *  Stops when the number of vertices or the number of faces is reached.
     *  Returns number of performed collapses.
     */
    size_t decimate_to_faces( size_t  _n_vertices=0, size_t _n_faces=0 );
  
    /**
     * Decimate only with constraints, while _factor gives the
     * percentage of the constraints that should be used
     */
    size_t decimate_constraints_only(float _factor);
  
    size_t samples(){return randomSamples_;}
    void set_samples(const size_t _value){randomSamples_ = _value;}
  
  private: //------------------------------------------------------- private data
  
  
    // reference to mesh
    Mesh&      mesh_;
  
    size_t randomSamples_;
  
  };
  
  //=============================================================================
  } // END_NS_DECIMATER
  } // END_NS_OPENMESH
  //=============================================================================
  #if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_MULTIPLE_CHOICE_DECIMATER_DECIMATERT_CC)
  #define OPENMESH_MULTIPLE_CHOICE_DECIMATER_TEMPLATES
  #include "McDecimaterT.cc"
  #endif
  //=============================================================================
  #endif // OPENMESH_MC_DECIMATER_DECIMATERT_HH defined
  //=============================================================================
  
  