1 // Copyright (C) 2007-2011 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 <TColgp_Array1OfPnt.hxx>
31 #include <BRepBuilderAPI_MakeVertex.hxx>
32 #include <BRepBuilderAPI_MakePolygon.hxx>
33 #include <BRep_Tool.hxx>
35 #include <TopoDS_Shape.hxx>
36 #include <TopoDS_Vertex.hxx>
37 #include <TopoDS_Wire.hxx>
41 #include <Precision.hxx>
44 //=======================================================================
47 //=======================================================================
48 const Standard_GUID& GEOMImpl_PolylineDriver::GetID()
50 static Standard_GUID aPolylineDriver("FF1BBB31-5D14-4df2-980B-3A668264EA16");
51 return aPolylineDriver;
55 //=======================================================================
56 //function : GEOMImpl_PolylineDriver
58 //=======================================================================
59 GEOMImpl_PolylineDriver::GEOMImpl_PolylineDriver()
63 //=======================================================================
66 //=======================================================================
67 Standard_Integer GEOMImpl_PolylineDriver::Execute(TFunction_Logbook& log) const
69 if (Label().IsNull()) return 0;
70 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
72 GEOMImpl_IPolyline aCI (aFunction);
73 Standard_Integer aType = aFunction->GetType();
77 if (aType == POLYLINE_POINTS) {
79 bool useCoords = aCI.GetConstructorType() == COORD_CONSTRUCTOR;
80 TColgp_Array1OfPnt points(1, (useCoords ? aCI.GetLength() : 1) );
82 Handle(TColStd_HArray1OfReal) aCoordsArray = aCI.GetCoordinates();
83 int anArrayLength = aCoordsArray->Length();
84 for (int i = 0, j = 1; i <= (anArrayLength-3); i += 3) {
85 gp_Pnt aPnt = gp_Pnt(aCoordsArray->Value(i+1), aCoordsArray->Value(i+2), aCoordsArray->Value(i+3));
86 points.SetValue(j,aPnt);
91 int aLen = aCI.GetLength();
93 BRepBuilderAPI_MakePolygon aMakePoly;
94 for (; ind <= aLen; ind++)
97 aMakePoly.Add(BRepBuilderAPI_MakeVertex(points.Value(ind)));
99 Handle(GEOM_Function) aRefPoint = aCI.GetPoint(ind);
100 TopoDS_Shape aShapePnt = aRefPoint->GetValue();
101 if (aShapePnt.ShapeType() != TopAbs_VERTEX) {
102 Standard_TypeMismatch::Raise
103 ("Polyline creation aborted : arguments are not a vertexes");
106 if (aShapePnt.ShapeType() == TopAbs_VERTEX) {
107 aMakePoly.Add(TopoDS::Vertex(aShapePnt));
108 //if (!aMakePoly.Added()) return 0;
112 // Compare first and last point coordinates and close polyline if it's the same.
116 aV1 = BRepBuilderAPI_MakeVertex(points.Value(1));
118 Handle(GEOM_Function) aFPoint = aCI.GetPoint(1);
119 TopoDS_Shape aFirstPnt = aFPoint->GetValue();
120 aV1 = TopoDS::Vertex(aFirstPnt);
125 aV2 = BRepBuilderAPI_MakeVertex(points.Value(aLen));
127 Handle(GEOM_Function) aLPoint = aCI.GetPoint(aLen);
128 TopoDS_Shape aLastPnt = aLPoint->GetValue();
129 aV2 = TopoDS::Vertex(aLastPnt);
132 if ( (!aV1.IsNull() && !aV2.IsNull() && aV1.IsSame(aV2)) ||
137 if (aMakePoly.IsDone()) {
138 aShape = aMakePoly.Wire();
144 if (aShape.IsNull()) return 0;
146 aFunction->SetValue(aShape);
148 log.SetTouched(Label());
154 //=======================================================================
155 //function : GEOMImpl_PolylineDriver_Type_
157 //=======================================================================
158 Standard_EXPORT Handle_Standard_Type& GEOMImpl_PolylineDriver_Type_()
161 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
162 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
163 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
164 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
165 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
166 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
169 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
170 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_PolylineDriver",
171 sizeof(GEOMImpl_PolylineDriver),
173 (Standard_Address)_Ancestors,
174 (Standard_Address)NULL);
179 //=======================================================================
180 //function : DownCast
182 //=======================================================================
183 const Handle(GEOMImpl_PolylineDriver) Handle(GEOMImpl_PolylineDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
185 Handle(GEOMImpl_PolylineDriver) _anOtherObject;
187 if (!AnObject.IsNull()) {
188 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_PolylineDriver))) {
189 _anOtherObject = Handle(GEOMImpl_PolylineDriver)((Handle(GEOMImpl_PolylineDriver)&)AnObject);
193 return _anOtherObject ;