src/OpenMesh/Core/Mesh/Status.hh

/*===========================================================================*\
 *                                                                           *
 *                               OpenMesh                                    *
 *      Copyright (C) 2001-2009 by Computer Graphics Group, RWTH Aachen      *
 *                           www.openmesh.org                                *
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 *---------------------------------------------------------------------------* 
 *  This file is part of OpenMesh.                                           *
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 *  OpenMesh is free software: you can redistribute it and/or modify         * 
 *  it under the terms of the GNU Lesser General Public License as           *
 *  published by the Free Software Foundation, either version 3 of           *
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 *  or inline functions from this file, or you compile this file and         *
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 *  not by itself cause the resulting executable to be covered by the        *
 *  GNU Lesser General Public License. This exception does not however       *
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 *  OpenMesh is distributed in the hope that it will be useful,              *
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\*===========================================================================*/ 

/*===========================================================================*\
 *                                                                           *             
 *   $Revision: 137 $                                                         *
 *   $Date: 2009-06-04 10:46:29 +0200 (Do, 04. Jun 2009) $                   *
 *                                                                           *
\*===========================================================================*/


//=============================================================================
//
//  CLASS Status
//
//=============================================================================


#ifndef OPENMESH_ATTRIBUTE_STATUS_HH
#define OPENMESH_ATTRIBUTE_STATUS_HH


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

#include <OpenMesh/Core/System/config.h>


//== NAMESPACES ===============================================================


namespace OpenMesh {
namespace Attributes {

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

enum StatusBits {

  DELETED  = 1,   
  LOCKED   = 2,   
  SELECTED = 4,   
  HIDDEN   = 8,   
  FEATURE  = 16,  
  TAGGED   = 32,  
  TAGGED2  = 64,  
  UNUSED   = 128  
};


class StatusInfo
{
public:

  typedef unsigned int value_type;
    
  StatusInfo() : status_(0) {}

  bool deleted() const  { return is_bit_set(DELETED); }
  void set_deleted(bool _b) { change_bit(DELETED, _b); }


  bool locked() const  { return is_bit_set(LOCKED); }
  void set_locked(bool _b) { change_bit(LOCKED, _b); }


  bool selected() const  { return is_bit_set(SELECTED); }
  void set_selected(bool _b) { change_bit(SELECTED, _b); }


  bool hidden() const  { return is_bit_set(HIDDEN); }
  void set_hidden(bool _b) { change_bit(HIDDEN, _b); }


  bool feature() const  { return is_bit_set(FEATURE); }
  void set_feature(bool _b) { change_bit(FEATURE, _b); }


  bool tagged() const  { return is_bit_set(TAGGED); }
  void set_tagged(bool _b) { change_bit(TAGGED, _b); }


  bool tagged2() const  { return is_bit_set(TAGGED2); }
  void set_tagged2(bool _b) { change_bit(TAGGED2, _b); }


  unsigned int bits() const { return status_; }
  void set_bits(unsigned int _bits) { status_ = _bits; }


  bool is_bit_set(unsigned int _s) const { return (status_ & _s) > 0; }
  void set_bit(unsigned int _s) { status_ |= _s; }
  void unset_bit(unsigned int _s) { status_ &= ~_s; }
  void change_bit(unsigned int _s, bool _b) {  
    if (_b) status_ |= _s; else status_ &= ~_s; }


private: 

  value_type status_;
};


//=============================================================================
} // namespace Attributes
} // namespace OpenMesh
//=============================================================================
#endif // OPENMESH_ATTRIBUTE_STATUS_HH defined
//=============================================================================

---