1 // Copyright (C) 2007-2010 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
23 #include <Standard_Stream.hxx>
25 #include <GEOMImpl_PolylineDriver.hxx>
26 #include <GEOMImpl_IPolyline.hxx>
27 #include <GEOMImpl_Types.hxx>
28 #include <GEOM_Function.hxx>
30 #include <BRepBuilderAPI_MakePolygon.hxx>
31 #include <BRep_Tool.hxx>
33 #include <TopoDS_Shape.hxx>
34 #include <TopoDS_Vertex.hxx>
35 #include <TopoDS_Wire.hxx>
39 #include <Precision.hxx>
42 //=======================================================================
45 //=======================================================================
46 const Standard_GUID& GEOMImpl_PolylineDriver::GetID()
48 static Standard_GUID aPolylineDriver("FF1BBB31-5D14-4df2-980B-3A668264EA16");
49 return aPolylineDriver;
53 //=======================================================================
54 //function : GEOMImpl_PolylineDriver
56 //=======================================================================
57 GEOMImpl_PolylineDriver::GEOMImpl_PolylineDriver()
61 //=======================================================================
64 //=======================================================================
65 Standard_Integer GEOMImpl_PolylineDriver::Execute(TFunction_Logbook& log) const
67 if (Label().IsNull()) return 0;
68 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
70 GEOMImpl_IPolyline aCI (aFunction);
71 Standard_Integer aType = aFunction->GetType();
75 if (aType == POLYLINE_POINTS) {
76 int aLen = aCI.GetLength();
78 BRepBuilderAPI_MakePolygon aMakePoly;
79 for (; ind <= aLen; ind++)
81 Handle(GEOM_Function) aRefPoint = aCI.GetPoint(ind);
82 TopoDS_Shape aShapePnt = aRefPoint->GetValue();
83 if (aShapePnt.ShapeType() == TopAbs_VERTEX) {
84 aMakePoly.Add(TopoDS::Vertex(aShapePnt));
85 // if (!aMakePoly.Added()) return 0;
88 // Compare first and last point coordinates and close polyline if it's the same.
90 Handle(GEOM_Function) aFPoint = aCI.GetPoint(1);
91 TopoDS_Shape aFirstPnt = aFPoint->GetValue();
92 TopoDS_Vertex aV1 = TopoDS::Vertex(aFirstPnt);
94 Handle(GEOM_Function) aLPoint = aCI.GetPoint(aLen);
95 TopoDS_Shape aLastPnt = aLPoint->GetValue();
96 TopoDS_Vertex aV2 = TopoDS::Vertex(aLastPnt);
98 if ( !aV1.IsNull() && !aV2.IsNull() && aV1.IsSame(aV2) )
102 if (aMakePoly.IsDone()) {
103 aShape = aMakePoly.Wire();
109 if (aShape.IsNull()) return 0;
111 aFunction->SetValue(aShape);
113 log.SetTouched(Label());
119 //=======================================================================
120 //function : GEOMImpl_PolylineDriver_Type_
122 //=======================================================================
123 Standard_EXPORT Handle_Standard_Type& GEOMImpl_PolylineDriver_Type_()
126 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
127 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
128 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
129 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
130 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
131 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
134 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
135 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_PolylineDriver",
136 sizeof(GEOMImpl_PolylineDriver),
138 (Standard_Address)_Ancestors,
139 (Standard_Address)NULL);
144 //=======================================================================
145 //function : DownCast
147 //=======================================================================
148 const Handle(GEOMImpl_PolylineDriver) Handle(GEOMImpl_PolylineDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
150 Handle(GEOMImpl_PolylineDriver) _anOtherObject;
152 if (!AnObject.IsNull()) {
153 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_PolylineDriver))) {
154 _anOtherObject = Handle(GEOMImpl_PolylineDriver)((Handle(GEOMImpl_PolylineDriver)&)AnObject);
158 return _anOtherObject ;