src/GeomAPI/GeomAPI_Curve.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        GeomAPI_Curve.cpp
   4 // Created:     04 Sep 2014
   5 // Author:      Mikhail PONIKAROV
   6
   7 #include<GeomAPI_Curve.h>
   8
   9 #include <TopoDS_Shape.hxx>
  10 #include <Geom_Curve.hxx>
  11 #include <Geom_Line.hxx>
  12 #include <Geom_Circle.hxx>
  13 #include <BRep_Tool.hxx>
  14 #include <TopoDS_Edge.hxx>
  15 #include <TopoDS.hxx>
  16
  17 #define MY_CURVE (*(static_cast<Handle_Geom_Curve*>(myImpl)))
  18
  19 GeomAPI_Curve::GeomAPI_Curve()
  20     : GeomAPI_Interface(new Handle_Geom_Curve())
  21 {
  22 }
  23
  24 GeomAPI_Curve::GeomAPI_Curve(const std::shared_ptr<GeomAPI_Shape>& theShape)
  25   : GeomAPI_Interface(new Handle_Geom_Curve()) // initially it is null
  26 {
  27   const TopoDS_Shape& aShape = theShape->impl<TopoDS_Shape>();
  28   TopoDS_Edge anEdge = TopoDS::Edge(aShape);
  29   if (!anEdge.IsNull()) {
  30     Standard_Real aStart, anEnd;
  31     Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, aStart, anEnd);
  32     if (!aCurve.IsNull()) {
  33       setImpl(new Handle(Geom_Curve)(aCurve));
  34     }
  35   }
  36 }
  37
  38 bool GeomAPI_Curve::isNull() const
  39 {
  40   return MY_CURVE.IsNull() == Standard_True;
  41 }
  42
  43 bool GeomAPI_Curve::isLine() const
  44 {
  45   return !isNull() && MY_CURVE->DynamicType() == STANDARD_TYPE(Geom_Line);
  46 }
  47
  48 bool GeomAPI_Curve::isCircle() const
  49 {
  50   return !isNull() && MY_CURVE->DynamicType() == STANDARD_TYPE(Geom_Circle);
  51 }