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_OffsetDriver.hxx>
26 #include <GEOMImpl_IOffset.hxx>
27 #include <GEOMImpl_Types.hxx>
28 #include <GEOM_Function.hxx>
30 #include <BRepOffsetAPI_MakeOffsetShape.hxx>
31 #include <BRep_Tool.hxx>
33 #include <TopoDS_Shape.hxx>
34 #include <TopoDS_Vertex.hxx>
38 #include <Precision.hxx>
41 #include <StdFail_NotDone.hxx>
43 //=======================================================================
46 //=======================================================================
47 const Standard_GUID& GEOMImpl_OffsetDriver::GetID()
49 static Standard_GUID aOffsetDriver("FF1BBB51-5D14-4df2-980B-3A668264EA16");
54 //=======================================================================
55 //function : GEOMImpl_OffsetDriver
57 //=======================================================================
58 GEOMImpl_OffsetDriver::GEOMImpl_OffsetDriver()
62 //=======================================================================
65 //=======================================================================
66 Standard_Integer GEOMImpl_OffsetDriver::Execute(TFunction_Logbook& log) const
68 if (Label().IsNull()) return 0;
69 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
71 GEOMImpl_IOffset aCI (aFunction);
72 Standard_Integer aType = aFunction->GetType();
76 if (aType == OFFSET_SHAPE || aType == OFFSET_SHAPE_COPY) {
77 Handle(GEOM_Function) aRefShape = aCI.GetShape();
78 TopoDS_Shape aShapeBase = aRefShape->GetValue();
79 Standard_Real anOffset = aCI.GetValue();
80 Standard_Real aTol = Precision::Confusion();
82 if (Abs(anOffset) < aTol) {
83 TCollection_AsciiString aMsg ("Absolute value of offset can not be less than the tolerance value (");
84 aMsg += TCollection_AsciiString(aTol);
86 StdFail_NotDone::Raise(aMsg.ToCString());
89 BRepOffsetAPI_MakeOffsetShape MO (aShapeBase,
95 StdFail_NotDone::Raise("Offset construction failed");
100 if (aShape.IsNull()) return 0;
102 aFunction->SetValue(aShape);
104 log.SetTouched(Label());
110 //=======================================================================
111 //function : GEOMImpl_OffsetDriver_Type_
113 //=======================================================================
114 Standard_EXPORT Handle_Standard_Type& GEOMImpl_OffsetDriver_Type_()
117 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
118 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
119 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
120 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
121 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
122 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
125 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
126 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_OffsetDriver",
127 sizeof(GEOMImpl_OffsetDriver),
129 (Standard_Address)_Ancestors,
130 (Standard_Address)NULL);
135 //=======================================================================
136 //function : DownCast
138 //=======================================================================
139 const Handle(GEOMImpl_OffsetDriver) Handle(GEOMImpl_OffsetDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
141 Handle(GEOMImpl_OffsetDriver) _anOtherObject;
143 if (!AnObject.IsNull()) {
144 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_OffsetDriver))) {
145 _anOtherObject = Handle(GEOMImpl_OffsetDriver)((Handle(GEOMImpl_OffsetDriver)&)AnObject);
149 return _anOtherObject ;