text: ///////////////////////////////////////////////////////////////////////////////
  // BSD 3-Clause License
  //
  // Copyright (c) 2019, Nefelus Inc
  // All rights reserved.
  //
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are met:
  //
  // * Redistributions of source code must retain the above copyright notice, this
  //   list of conditions and the following disclaimer.
  //
  // * Redistributions in binary form must reproduce the above copyright notice,
  //   this list of conditions and the following disclaimer in the documentation
  //   and/or other materials provided with the distribution.
  //
  // * Neither the name of the copyright holder nor the names of its
  //   contributors may be used to endorse or promote products derived from
  //   this software without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  #ifndef ADS_DEFIN_BASE_H
  #define ADS_DEFIN_BASE_H
  
  #ifndef ADS_H
  #include "ads.h"
  #endif
  
  #ifndef ADS_GEOM_H
  #include "geom.h"
  #endif
  
  #ifndef ADS_DEFIN_TYPES_H
  #include "definTypes.h"
  #endif
  
  #include <vector>
  
  namespace odb {
  
  class dbBlock;
  class dbTech;
  
  class definBase
  {
    public:
      dbTech *  _tech;
      dbBlock * _block;
      int       _errors;
      int       _dist_factor;
  
      definBase();
      void setTech( dbTech * tech );
      void setBlock( dbBlock * block );
      void units( int d );
      virtual void init();
      
      int dbdist( int value ) 
      {
          return (int) (value * _dist_factor);
      }
  
      int dbdist( double value ) 
      {
          if ( value < 0.0 )
              return (int) (value * _dist_factor - 0.5);
          else
              return (int) (value * _dist_factor + 0.5);
      }
  
      int round( double value ) 
      {
          if ( value < 0.0 )
              return (int) (value - 0.5);
          else
              return (int) (value + 0.5);
      }
      
      void translate( const std::vector<defPoint> & defpoints, std::vector<adsPoint> & points )
      {    
          points.clear();
          std::vector<defPoint>::const_iterator itr;
  
          for( itr = defpoints.begin(); itr != defpoints.end(); ++itr )
          {
              const defPoint & p = *itr;
              adsPoint point( dbdist( p._x ), dbdist(p._y) );
              points.push_back(point);
          }
      }
  };
      
  } // namespace
  
  #endif
  