EventDisplay/BesVisLib/include/BesVisLib/BesCircle2D.h

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//
// BesCircle2D.h
//
// $Author: longpx $
// 2005/7/16
// Modified from zevis 2D shape
 
#ifndef BESCIRCLE2D_H
#define BESCIRCLE2D_H
 
#ifndef ROOT_TNamed
#  include <TNamed.h>
#endif
#ifndef ROOT_TAttLine
#  include <TAttLine.h>
#endif
#ifndef ROOT_TAttFill
#  include <TAttFill.h>
#endif
 
class TString;
class TView;
class TPad;
 
class BesCircle2D : public TNamed, public TAttLine, public TAttFill {
 
private:
  Double_t* f_innerCircleX;
  Double_t* f_innerCircleY;
  Double_t* f_outerCircleX;
  Double_t* f_outerCircleY;
  Double_t* f_areaX;
  Double_t* f_areaY;
  // Long Peixun's update: fInnerRadius, fOuterRadius are single variables, not arrays
  Double_t  fInnerRadius; // inner Radius of circle
  Double_t  fOuterRadius; // outer Radius of circle
  Double_t* fCenter;      //[3] center of circle
  Int_t     fNSegment;
 
public:
  BesCircle2D();
  BesCircle2D( const char* name, const char* title, Double_t innerRadius, Double_t outerRadius,
               Double_t* center );
  virtual ~BesCircle2D();
 
  virtual Int_t DistancetoPrimitive( Int_t px, Int_t py );
  virtual void  ExecuteEvent( Int_t event, Int_t px, Int_t py );
  virtual void  Draw( Option_t* option = "" );
  virtual void  Paint( Option_t* option = "" );
  virtual char* GetObjectInfo( Int_t px, Int_t py ) const;
 
  virtual void SetCenter( Double_t x, Double_t y, Double_t z );
  virtual void GetCenter( Double_t* center );
  virtual void SetNSegment( Int_t np ) { fNSegment = np; }
 
  ClassDef( BesCircle2D, 2 ) //  Circle in 2D
};
 
#endif