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_OffsetDriver.hxx>
25 #include <GEOMImpl_IOffset.hxx>
26 #include <GEOMImpl_Types.hxx>
27 #include <GEOM_Function.hxx>
29 #include <BRepOffsetAPI_MakeOffsetShape.hxx>
30 #include <BRep_Tool.hxx>
32 #include <TopoDS_Shape.hxx>
33 #include <TopoDS_Vertex.hxx>
37 #include <Precision.hxx>
40 #include <StdFail_NotDone.hxx>
42 //=======================================================================
45 //=======================================================================
46 const Standard_GUID& GEOMImpl_OffsetDriver::GetID()
48 static Standard_GUID aOffsetDriver("FF1BBB51-5D14-4df2-980B-3A668264EA16");
53 //=======================================================================
54 //function : GEOMImpl_OffsetDriver
56 //=======================================================================
57 GEOMImpl_OffsetDriver::GEOMImpl_OffsetDriver()
61 //=======================================================================
64 //=======================================================================
65 Standard_Integer GEOMImpl_OffsetDriver::Execute(TFunction_Logbook& log) const
67 if (Label().IsNull()) return 0;
68 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
70 GEOMImpl_IOffset aCI (aFunction);
71 Standard_Integer aType = aFunction->GetType();
75 if (aType == OFFSET_SHAPE || aType == OFFSET_SHAPE_COPY) {
76 Handle(GEOM_Function) aRefShape = aCI.GetShape();
77 TopoDS_Shape aShapeBase = aRefShape->GetValue();
78 Standard_Real anOffset = aCI.GetValue();
79 Standard_Real aTol = Precision::Confusion();
81 if (Abs(anOffset) < aTol) {
82 TCollection_AsciiString aMsg ("Absolute value of offset can not be less than the tolerance value (");
83 aMsg += TCollection_AsciiString(aTol);
85 StdFail_NotDone::Raise(aMsg.ToCString());
88 BRepOffsetAPI_MakeOffsetShape MO (aShapeBase,
94 StdFail_NotDone::Raise("Offset construction failed");
99 if (aShape.IsNull()) return 0;
101 aFunction->SetValue(aShape);
103 log.SetTouched(Label());
109 //=======================================================================
110 //function : GEOMImpl_OffsetDriver_Type_
112 //=======================================================================
113 Standard_EXPORT Handle_Standard_Type& GEOMImpl_OffsetDriver_Type_()
116 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
117 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
118 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
119 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
120 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
121 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
124 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
125 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_OffsetDriver",
126 sizeof(GEOMImpl_OffsetDriver),
128 (Standard_Address)_Ancestors,
129 (Standard_Address)NULL);
134 //=======================================================================
135 //function : DownCast
137 //=======================================================================
138 const Handle(GEOMImpl_OffsetDriver) Handle(GEOMImpl_OffsetDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
140 Handle(GEOMImpl_OffsetDriver) _anOtherObject;
142 if (!AnObject.IsNull()) {
143 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_OffsetDriver))) {
144 _anOtherObject = Handle(GEOMImpl_OffsetDriver)((Handle(GEOMImpl_OffsetDriver)&)AnObject);
148 return _anOtherObject ;