src/GC/GC_MakeArcOfParabola.cxx

   1 // File:        GC_MakeArcOfParabola.cxx
   2 // Created:     Fri Oct  2 16:31:46 1992
   3 // Author:      Remi GILET
   4 //              <reg@topsn3>
   5
   6 #include <GC_MakeArcOfParabola.ixx>
   7 #include <Geom_Parabola.hxx>
   8 #include <StdFail_NotDone.hxx>
   9 #include <ElCLib.hxx>
  10
  11 GC_MakeArcOfParabola::GC_MakeArcOfParabola(const gp_Parab& Parab ,
  12                                              const gp_Pnt&   P1    ,
  13                                              const gp_Pnt&   P2    ,
  14                                              const Standard_Boolean  Sense  )
  15 {
  16   Standard_Real Alpha1 = ElCLib::Parameter(Parab,P1);
  17   Standard_Real Alpha2 = ElCLib::Parameter(Parab,P2);
  18   Handle(Geom_Parabola) P = new Geom_Parabola(Parab);
  19   TheArc = new Geom_TrimmedCurve(P,Alpha1,Alpha2,Sense);
  20   TheError = gce_Done;
  21 }
  22
  23 GC_MakeArcOfParabola::GC_MakeArcOfParabola(const gp_Parab& Parab ,
  24                                              const gp_Pnt&   P     ,
  25                                              const Standard_Real      Alpha ,
  26                                              const Standard_Boolean  Sense  )
  27 {
  28   Standard_Real Alphafirst = ElCLib::Parameter(Parab,P);
  29   Handle(Geom_Parabola) Parabola = new Geom_Parabola(Parab);
  30   TheArc = new Geom_TrimmedCurve(Parabola,Alphafirst,Alpha,Sense);
  31   TheError = gce_Done;
  32 }
  33
  34 GC_MakeArcOfParabola::GC_MakeArcOfParabola(const gp_Parab& Parab ,
  35                                              const Standard_Real      Alpha1 ,
  36                                              const Standard_Real      Alpha2 ,
  37                                              const Standard_Boolean   Sense  )
  38 {
  39   Handle(Geom_Parabola) P = new Geom_Parabola(Parab);
  40   TheArc = new Geom_TrimmedCurve(P,Alpha1,Alpha2,Sense);
  41   TheError = gce_Done;
  42 }
  43
  44 const Handle(Geom_TrimmedCurve)& GC_MakeArcOfParabola::Value() const
  45 {
  46   StdFail_NotDone_Raise_if(!TheError == gce_Done,"");
  47   return TheArc;
  48 }
  49
  50 const Handle(Geom_TrimmedCurve)& GC_MakeArcOfParabola::Operator() const
  51 {
  52   return Value();
  53 }
  54
  55 GC_MakeArcOfParabola::operator Handle(Geom_TrimmedCurve) () const
  56 {
  57   return Value();
  58 }
  59