0032485: Modeling Algorithms - Add Clone() function for adapters

Provide ShallowCopy() functions for adapters & evaluators of curves, 2d curves and surfaces. This will allow using copies of the same adapter in multi-thread calculations.

src/BRepAdaptor/BRepAdaptor_CompCurve.cxx

@@ -79,6 +79,34 @@ BRepAdaptor_CompCurve::BRepAdaptor_CompCurve(const TopoDS_Wire& theWire,
   Initialize(theWire, theIsAC, theFirst, theLast, theTolerance);
 }
 
+//=======================================================================
+//function : ShallowCopy
+//purpose  : 
+//=======================================================================
+
+Handle(Adaptor3d_Curve) BRepAdaptor_CompCurve::ShallowCopy() const
+{
+  Handle(BRepAdaptor_CompCurve) aCopy = new BRepAdaptor_CompCurve();
+
+  aCopy->myWire   = myWire;
+  aCopy->TFirst   = TFirst;
+  aCopy->TLast    = TLast;
+  aCopy->PTol     = PTol;
+  aCopy->myCurves = new (BRepAdaptor_HArray1OfCurve) (1, myCurves->Size());
+  for (Standard_Integer anI = 1; anI <= myCurves->Size(); ++anI)
+  {
+    const Handle(Adaptor3d_Curve) aCurve = myCurves->Value(anI).ShallowCopy();
+    const BRepAdaptor_Curve& aBrepCurve = *(Handle(BRepAdaptor_Curve)::DownCast(aCurve));
+    aCopy->myCurves->SetValue(anI, aBrepCurve);
+  }
+  aCopy->myKnots  = myKnots;
+  aCopy->CurIndex = CurIndex;
+  aCopy->Forward  = Forward;
+  aCopy->IsbyAC   = IsbyAC;
+
+  return aCopy;
+}
+
  void BRepAdaptor_CompCurve::Initialize(const TopoDS_Wire& W,
 					const Standard_Boolean AC)
 {

src/BRepAdaptor/BRepAdaptor_CompCurve.hxx

@@ -74,6 +74,9 @@ public:
   //! <W>.
   Standard_EXPORT BRepAdaptor_CompCurve(const TopoDS_Wire& W, const Standard_Boolean KnotByCurvilinearAbcissa, const Standard_Real First, const Standard_Real Last, const Standard_Real Tol);
   
+  //! Shallow copy of adaptor
+  Standard_EXPORT virtual Handle(Adaptor3d_Curve) ShallowCopy() const Standard_OVERRIDE;
+
   //! Sets the  wire <W>.
   Standard_EXPORT void Initialize (const TopoDS_Wire& W, const Standard_Boolean KnotByCurvilinearAbcissa);
   

src/BRepAdaptor/BRepAdaptor_Curve.cxx

@@ -73,6 +73,30 @@ BRepAdaptor_Curve::BRepAdaptor_Curve(const TopoDS_Edge& E,
   Initialize(E,F);
 }
 
+//=======================================================================
+//function : ShallowCopy
+//purpose  : 
+//=======================================================================
+
+Handle(Adaptor3d_Curve) BRepAdaptor_Curve::ShallowCopy() const
+{
+  Handle(BRepAdaptor_Curve) aCopy = new BRepAdaptor_Curve();
+
+  aCopy->myTrsf  = myTrsf;
+
+  const Handle(Adaptor3d_Curve) aCurve = myCurve.ShallowCopy();
+  const GeomAdaptor_Curve& aGeomCurve = *(Handle(GeomAdaptor_Curve)::DownCast(aCurve));
+  aCopy->myCurve = aGeomCurve;
+
+  if (!myConSurf.IsNull())
+  {
+    aCopy->myConSurf = Handle(Adaptor3d_CurveOnSurface)::DownCast(myConSurf->ShallowCopy());
+  }
+  aCopy->myEdge    = myEdge;
+
+  return aCopy;
+}
+
 //=======================================================================
 //function : Reset
 //purpose  :

src/BRepAdaptor/BRepAdaptor_Curve.hxx

@@ -82,6 +82,9 @@ public:
   //! the face.
   Standard_EXPORT BRepAdaptor_Curve(const TopoDS_Edge& E, const TopoDS_Face& F);
 
+  //! Shallow copy of adaptor
+  Standard_EXPORT virtual Handle(Adaptor3d_Curve) ShallowCopy() const Standard_OVERRIDE;
+
   //! Reset currently loaded curve (undone Load()).
   Standard_EXPORT void Reset();
 

src/BRepAdaptor/BRepAdaptor_Curve2d.cxx

@@ -43,6 +43,27 @@ BRepAdaptor_Curve2d::BRepAdaptor_Curve2d(const TopoDS_Edge& E,
   Initialize(E,F);
 }
 
+//=======================================================================
+//function : ShallowCopy
+//purpose  : 
+//=======================================================================
+
+Handle(Adaptor2d_Curve2d) BRepAdaptor_Curve2d::ShallowCopy() const
+{
+  Handle(BRepAdaptor_Curve2d) aCopy = new BRepAdaptor_Curve2d();
+
+  aCopy->myCurve = myCurve;
+  aCopy->myTypeCurve = myTypeCurve;
+  aCopy->myFirst = myFirst;
+  aCopy->myLast = myLast;
+  aCopy->myBSplineCurve = myBSplineCurve;
+  if (!myNestedEvaluator.IsNull())
+  {
+    aCopy->myNestedEvaluator = myNestedEvaluator->ShallowCopy();
+  }
+
+  return aCopy;
+}
 
 //=======================================================================
 //function : Initialize

src/BRepAdaptor/BRepAdaptor_Curve2d.hxx

@@ -49,6 +49,9 @@ public:
   
   //! Creates with the pcurve of <E> on <F>.
   Standard_EXPORT BRepAdaptor_Curve2d(const TopoDS_Edge& E, const TopoDS_Face& F);
+
+  //! Shallow copy of adaptor
+  Standard_EXPORT virtual Handle(Adaptor2d_Curve2d) ShallowCopy() const Standard_OVERRIDE;
   
   //! Initialize with the pcurve of <E> on <F>.
   Standard_EXPORT void Initialize (const TopoDS_Edge& E, const TopoDS_Face& F);

src/BRepAdaptor/BRepAdaptor_Surface.cxx

@@ -63,6 +63,24 @@ BRepAdaptor_Surface::BRepAdaptor_Surface(const TopoDS_Face& F,
 }
 
 
+//=======================================================================
+//function : ShallowCopy
+//purpose  : 
+//=======================================================================
+
+Handle(Adaptor3d_Surface) BRepAdaptor_Surface::ShallowCopy() const
+{
+  Handle(BRepAdaptor_Surface) aCopy = new BRepAdaptor_Surface();
+
+  const Handle(Adaptor3d_Surface) aSurface = mySurf.ShallowCopy();
+  const GeomAdaptor_Surface& aGeomSurface = *(Handle(GeomAdaptor_Surface)::DownCast(aSurface));
+  aCopy->mySurf = aGeomSurface;
+
+  aCopy->myTrsf = myTrsf;
+  aCopy->myFace = myFace;
+
+  return aCopy;
+}
 //=======================================================================
 //function : Initialize
 //purpose  : 

src/BRepAdaptor/BRepAdaptor_Surface.hxx

@@ -68,6 +68,9 @@ public:
   //! the  parameter  range  in   the  UV space  of  the
   //! restriction.
   Standard_EXPORT BRepAdaptor_Surface(const TopoDS_Face& F, const Standard_Boolean R = Standard_True);
+
+  //! Shallow copy of adaptor
+  Standard_EXPORT virtual Handle(Adaptor3d_Surface) ShallowCopy() const Standard_OVERRIDE;
   
   //! Sets the surface to the geometry of <F>.
   Standard_EXPORT void Initialize (const TopoDS_Face& F, const Standard_Boolean Restriction = Standard_True);