src/GeomAPI/GeomAPI_Edge.cpp

   1 // File:        GeomAPI_Edge.cpp
   2 // Created:     24 Jul 2014
   3 // Author:      Artem ZHIDKOV
   4
   5 #include<GeomAPI_Edge.h>
   6
   7 #include <TopoDS_Shape.hxx>
   8 #include <BRep_TEdge.hxx>
   9 #include <BRep_CurveRepresentation.hxx>
  10 #include <Geom_Curve.hxx>
  11 #include <Geom_Line.hxx>
  12 #include <Geom_Circle.hxx>
  13
  14 GeomAPI_Edge::GeomAPI_Edge()
  15   : GeomAPI_Shape()
  16 {}
  17
  18 bool GeomAPI_Edge::isLine() const
  19 {
  20   const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
  21   Handle(BRep_TEdge) anEdge = Handle(BRep_TEdge)::DownCast(aShape.TShape());
  22   if (anEdge->Curves().Extent() != 1)
  23     return false; // too many curves in the edge
  24   Handle(Geom_Curve) aCurve = anEdge->Curves().First()->Curve3D();
  25   if (aCurve->IsKind(STANDARD_TYPE(Geom_Line)))
  26     return true;
  27   return false;
  28 }
  29
  30 bool GeomAPI_Edge::isCircle() const
  31 {
  32   const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
  33   Handle(BRep_TEdge) anEdge = Handle(BRep_TEdge)::DownCast(aShape.TShape());
  34   if (anEdge->Curves().Extent() != 1)
  35     return false; // too many curves in the edge
  36   Handle(Geom_Curve) aCurve = anEdge->Curves().First()->Curve3D();
  37   if (aCurve->IsKind(STANDARD_TYPE(Geom_Circle)) && aCurve->IsClosed())
  38     return true;
  39   return false;
  40 }
  41
  42 bool GeomAPI_Edge::isArc() const
  43 {
  44   const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
  45   Handle(BRep_TEdge) anEdge = Handle(BRep_TEdge)::DownCast(aShape.TShape());
  46   if (anEdge->Curves().Extent() != 1)
  47     return false; // too many curves in the edge
  48   Handle(Geom_Curve) aCurve = anEdge->Curves().First()->Curve3D();
  49   if (aCurve->IsKind(STANDARD_TYPE(Geom_Circle)) && !aCurve->IsClosed())
  50     return true;
  51   return false;
  52 }