// @(#)root/graf:$Name: $:$Id: TArc.cxx,v 1.2 2000/06/13 10:42:26 brun Exp $
// Author: Rene Brun 16/10/95
/*************************************************************************
* Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#include <fstream.h>
#include "TROOT.h"
#include "TArc.h"
#include "TVirtualPad.h"
ClassImp(TArc)
//______________________________________________________________________________
//
// An arc is specified with the position of its centre, its radius
// a minimum and maximum angle.
// The attributes of the outline line are given via TAttLine
// The attributes of the fill area are given via TAttFill
//
//______________________________________________________________________________
TArc::TArc(): TEllipse()
{
//*-*-*-*-*-*-*-*-*-*-*Arc default constructor*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
//*-* ========================
}
//______________________________________________________________________________
TArc::TArc(Double_t x1, Double_t y1,Double_t r1,Double_t phimin,Double_t phimax)
:TEllipse(x1,y1,r1,r1,phimin,phimax,0)
{
//*-*-*-*-*-*-*-*-*-*-*Arc normal constructor*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
//*-* =======================
// x1,y1 : coordinates of centre of arc
// r1 : arc radius
// phimin : min and max angle in degrees (default is 0-->360)
// phimax :
//
}
//______________________________________________________________________________
TArc::TArc(const TArc &arc)
{
((TArc&)arc).Copy(*this);
}
//______________________________________________________________________________
TArc::~TArc()
{
//*-*-*-*-*-*-*-*-*-*-*Arc default destructor*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
//*-* =======================
}
//______________________________________________________________________________
void TArc::Copy(TObject &arc)
{
//*-*-*-*-*-*-*-*-*-*-*Copy this arc to arc*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
//*-* ====================
TEllipse::Copy(arc);
}
//______________________________________________________________________________
void TArc::DrawArc(Double_t x1, Double_t y1,Double_t r1,Double_t phimin,Double_t phimax)
{
//*-*-*-*-*-*-*-*-*-*-*Draw this arc with new coordinates*-*-*-*-*-*-*-*-*-*-*
//*-* ==================================
TArc *newarc = new TArc(x1, y1, r1, phimin, phimax);
TAttLine::Copy(*newarc);
TAttFill::Copy(*newarc);
newarc->AppendPad();
}
//______________________________________________________________________________
void TArc::SavePrimitive(ofstream &out, Option_t *)
{
// Save primitive as a C++ statement(s) on output stream out
out<<" "<<endl;
if (gROOT->ClassSaved(TArc::Class())) {
out<<" ";
} else {
out<<" TArc *";
}
out<<"arc = new TArc("<<fX1<<","<<fY1<<","<<fR1
<<","<<fPhimin<<","<<fPhimax<<");"<<endl;
SaveFillAttributes(out,"arc",0,1001);
SaveLineAttributes(out,"arc",1,1,1);
out<<" arc->Draw();"<<endl;
}
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