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
  19 bool GeomAPI_Edge::isLine() const
  20 {
  21   const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
  22   Handle(BRep_TEdge) anEdge = Handle(BRep_TEdge)::DownCast(aShape.TShape());
  23   if (anEdge->Curves().Extent() != 1)
  24     return false;  // too many curves in the edge
  25   Handle(Geom_Curve) aCurve = anEdge->Curves().First()->Curve3D();
  26   if (aCurve->IsKind(STANDARD_TYPE(Geom_Line)))
  27     return true;
  28   return false;
  29 }
  30
  31 bool GeomAPI_Edge::isCircle() const
  32 {
  33   const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
  34   Handle(BRep_TEdge) anEdge = Handle(BRep_TEdge)::DownCast(aShape.TShape());
  35   if (anEdge->Curves().Extent() != 1)
  36     return false;  // too many curves in the edge
  37   Handle(Geom_Curve) aCurve = anEdge->Curves().First()->Curve3D();
  38   if (aCurve->IsKind(STANDARD_TYPE(Geom_Circle)) && aCurve->IsClosed())
  39     return true;
  40   return false;
  41 }
  42
  43 bool GeomAPI_Edge::isArc() const
  44 {
  45   const TopoDS_Shape& aShape = const_cast<GeomAPI_Edge*>(this)->impl<TopoDS_Shape>();
  46   Handle(BRep_TEdge) anEdge = Handle(BRep_TEdge)::DownCast(aShape.TShape());
  47   if (anEdge->Curves().Extent() != 1)
  48     return false;  // too many curves in the edge
  49   Handle(Geom_Curve) aCurve = anEdge->Curves().First()->Curve3D();
  50   if (aCurve->IsKind(STANDARD_TYPE(Geom_Circle)) && !aCurve->IsClosed())
  51     return true;
  52   return false;
  53 }