GeoShape.h

/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/

#ifndef GEOMODELKERNEL_GEOSHAPE_H
#define GEOMODELKERNEL_GEOSHAPE_H

#include "GeoModelKernel/RCBase.h"
#include <GeoModelKernel/GeoDefinitions.h>
#include <string>

typedef unsigned int ShapeType;
class GeoShapeIntersection;
class GeoShapeUnion;
class GeoShapeSubtraction;
class GeoShapeShift;
class GeoShapeAction;

class GeoShape : public RCBase
{
 public:
  // Constructor for shape.  Must provide the name, a string to identify this shape.
  GeoShape ();

  //    Returns the volume of the shape, for mass inventory
  virtual double volume () const = 0;

  //    Boolean OR operation for shapes
  const GeoShapeUnion & add (const GeoShape& shape) const;
  
  //    Subtraction operation for shapes.
  const GeoShapeSubtraction & subtract (const GeoShape& shape) const;
  
  //    Intersection of shapes.
  const GeoShapeIntersection & intersect (const GeoShape& shape) const;
  
  //    Shift shapes, for boolean operations.
  const GeoShapeShift & operator << (const GeoTrf::Transform3D &shift) const;
  
  //    Returns the shape type, as a string.
  virtual const std::string & type () const = 0;
  
  //    Returns the shape type, as an coded integer.
  virtual ShapeType typeID () const = 0;
  
  //    Executes a GeoShapeAction
  virtual void exec (GeoShapeAction *action) const = 0;
  
 protected:
  virtual ~GeoShape();

 private:
  GeoShape(const GeoShape &right);
  GeoShape & operator=(const GeoShape &right);

};

#endif