EventDisplay/BesVisLib/include/BesVisLib/BesPolygon2D.h

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//
// BesPolygon2D.h
//
// $Author: longpx $
// 2005/7/16
// Modified from zevis 2D shape
 
#ifndef BESPOLYGON2D_H
#define BESPOLYGON2D_H
 
#ifndef ROOT_TNamed
#  include <TNamed.h>
#endif
#ifndef ROOT_TAttLine
#  include <TAttLine.h>
#endif
#ifndef ROOT_TAttFill
#  include <TAttFill.h>
#endif
 
class TPad;
class TString;
class TView;
class TGeometry;
class TPaveText;
 
class BesPolygon2D : public TNamed, public TAttLine, public TAttFill {
 
  static int num;
 
protected:
  Double_t* f_xx;
  Double_t* f_yy;
  Int_t     fN;       // No. of points
  Double_t* fP;       // [3*fN] Points in world coordinates
  Double_t* fPBackUp; // [3*fN] for fP BackUp when rotate;
  Double_t  fCenter[3];
  Bool_t    fRotatable;
 
  TPaveText* fInfoBox; //! info box
 
public:
  BesPolygon2D();
  BesPolygon2D( const char* name, const char* title, Int_t N, Double_t* P );
  virtual ~BesPolygon2D();
 
  virtual void  Draw( Option_t* option = "" );
  virtual void  Paint( Option_t* option = "" );
  virtual char* GetObjectInfo( Int_t px, Int_t py ) const;
 
  virtual void  SetZRSign( Int_t sign );
  virtual void  Resize( Double_t ScaleFactor );
  virtual Int_t DistancetoPrimitive( Int_t px, Int_t py );
  virtual void  ExecuteEvent( Int_t event, Int_t px, Int_t py );
  virtual void  SetInfoBox(); //*MENU*
  virtual void  GetCenter( Double_t* Center ) const;
  virtual void  RotatePhi( Double_t phi );
  virtual void  Restore();
  virtual void  SetSize( Double_t size );
  // Long Peixun's update: Stretch polygon along (sx, sy, sz)
  virtual void Stretch( Double_t sx, Double_t sy, Double_t sz, Double_t factor );
 
  inline Bool_t IsRotatable() { return fRotatable; }
  inline void   SetRotatable( Bool_t input ) { fRotatable = input; }
  inline void   SetName( const char* name ) { TNamed::SetName( name ); }
  inline void   SetTitle( const char* name ) { TNamed::SetTitle( name ); }
  inline void   Delete( Option_t* option ) { TObject::Delete( option ); }
  inline void   DrawClass() { TObject::DrawClass(); }
  inline void   DrawClone( Option_t* option ) { TObject::DrawClone( option ); }
  inline void   SetDrawOption( Option_t* option ) { TObject::SetDrawOption( option ); }
  inline void   SetPoints( Double_t* P ) {
    for ( Int_t i = 0; i < fN * 3; i++ ) fP[i] = P[i];
  }
 
  ClassDef( BesPolygon2D, 2 ) // Polygon in 2D
};
 
#endif