1 // Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
22 #include <Standard_Stream.hxx>
24 #include <GEOMImpl_PolylineDriver.hxx>
25 #include <GEOMImpl_IPolyline.hxx>
26 #include <GEOMImpl_Types.hxx>
27 #include <GEOM_Function.hxx>
29 #include <BRepBuilderAPI_MakePolygon.hxx>
30 #include <BRep_Tool.hxx>
32 #include <TopoDS_Shape.hxx>
33 #include <TopoDS_Vertex.hxx>
34 #include <TopoDS_Wire.hxx>
38 #include <Precision.hxx>
41 //=======================================================================
44 //=======================================================================
45 const Standard_GUID& GEOMImpl_PolylineDriver::GetID()
47 static Standard_GUID aPolylineDriver("FF1BBB31-5D14-4df2-980B-3A668264EA16");
48 return aPolylineDriver;
52 //=======================================================================
53 //function : GEOMImpl_PolylineDriver
55 //=======================================================================
56 GEOMImpl_PolylineDriver::GEOMImpl_PolylineDriver()
60 //=======================================================================
63 //=======================================================================
64 Standard_Integer GEOMImpl_PolylineDriver::Execute(TFunction_Logbook& log) const
66 if (Label().IsNull()) return 0;
67 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
69 GEOMImpl_IPolyline aCI (aFunction);
70 Standard_Integer aType = aFunction->GetType();
74 if (aType == POLYLINE_POINTS) {
75 int aLen = aCI.GetLength();
77 BRepBuilderAPI_MakePolygon aMakePoly;
78 for (; ind <= aLen; ind++)
80 Handle(GEOM_Function) aRefPoint = aCI.GetPoint(ind);
81 TopoDS_Shape aShapePnt = aRefPoint->GetValue();
82 if (aShapePnt.ShapeType() == TopAbs_VERTEX) {
83 aMakePoly.Add(TopoDS::Vertex(aShapePnt));
84 // if (!aMakePoly.Added()) return 0;
87 // Compare first and last point coordinates and close polyline if it's the same.
89 Handle(GEOM_Function) aFPoint = aCI.GetPoint(1);
90 TopoDS_Shape aFirstPnt = aFPoint->GetValue();
91 TopoDS_Vertex aV1 = TopoDS::Vertex(aFirstPnt);
93 Handle(GEOM_Function) aLPoint = aCI.GetPoint(aLen);
94 TopoDS_Shape aLastPnt = aLPoint->GetValue();
95 TopoDS_Vertex aV2 = TopoDS::Vertex(aLastPnt);
97 if ( !aV1.IsNull() && !aV2.IsNull() && aV1.IsSame(aV2) )
101 if (aMakePoly.IsDone()) {
102 aShape = aMakePoly.Wire();
108 if (aShape.IsNull()) return 0;
110 aFunction->SetValue(aShape);
112 log.SetTouched(Label());
118 //=======================================================================
119 //function : GEOMImpl_PolylineDriver_Type_
121 //=======================================================================
122 Standard_EXPORT Handle_Standard_Type& GEOMImpl_PolylineDriver_Type_()
125 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
126 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
127 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
128 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
129 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
130 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
133 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
134 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_PolylineDriver",
135 sizeof(GEOMImpl_PolylineDriver),
137 (Standard_Address)_Ancestors,
138 (Standard_Address)NULL);
143 //=======================================================================
144 //function : DownCast
146 //=======================================================================
147 const Handle(GEOMImpl_PolylineDriver) Handle(GEOMImpl_PolylineDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
149 Handle(GEOMImpl_PolylineDriver) _anOtherObject;
151 if (!AnObject.IsNull()) {
152 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_PolylineDriver))) {
153 _anOtherObject = Handle(GEOMImpl_PolylineDriver)((Handle(GEOMImpl_PolylineDriver)&)AnObject);
157 return _anOtherObject ;