src/GeomAPI/GeomAPI_Curve.cpp

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