1 // Copyright (C) 2005 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
2 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
4 // This library is free software; you can redistribute it and/or
5 // modify it under the terms of the GNU Lesser General Public
6 // License as published by the Free Software Foundation; either
7 // version 2.1 of the License.
9 // This library is distributed in the hope that it will be useful
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 // Lesser General Public License for more details.
14 // You should have received a copy of the GNU Lesser General Public
15 // License along with this library; if not, write to the Free Software
16 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
21 #include <Standard_Stream.hxx>
23 #include <GEOMImpl_ScaleDriver.hxx>
24 #include <GEOMImpl_IScale.hxx>
25 #include <GEOMImpl_Types.hxx>
26 #include <GEOM_Function.hxx>
28 #include <BRepBuilderAPI_Transform.hxx>
29 #include <BRep_Tool.hxx>
30 #include <BRepAlgo.hxx>
34 #include <TopoDS_Shape.hxx>
35 #include <TopoDS_Vertex.hxx>
36 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
38 #include <Precision.hxx>
41 //=======================================================================
44 //=======================================================================
45 const Standard_GUID& GEOMImpl_ScaleDriver::GetID()
47 static Standard_GUID aScaleDriver("FF1BBB52-5D14-4df2-980B-3A668264EA16");
52 //=======================================================================
53 //function : GEOMImpl_ScaleDriver
55 //=======================================================================
56 GEOMImpl_ScaleDriver::GEOMImpl_ScaleDriver()
60 //=======================================================================
63 //=======================================================================
64 Standard_Integer GEOMImpl_ScaleDriver::Execute(TFunction_Logbook& log) const
66 if (Label().IsNull()) return 0;
67 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
69 GEOMImpl_IScale aCI (aFunction);
70 Standard_Integer aType = aFunction->GetType();
74 if (aType == SCALE_SHAPE || aType == SCALE_SHAPE_COPY) {
75 Handle(GEOM_Function) aRefShape = aCI.GetShape();
76 Handle(GEOM_Function) aRefPoint = aCI.GetPoint();
77 TopoDS_Shape aShapeBase = aRefShape->GetValue();
78 TopoDS_Shape aShapePnt = aRefPoint->GetValue();
79 if (aShapeBase.IsNull() || aShapePnt.IsNull()) return 0;
80 if (aShapePnt.ShapeType() != TopAbs_VERTEX) return 0;
82 // Bug 6839: Check for standalone (not included in faces) degenerated edges
83 TopTools_IndexedDataMapOfShapeListOfShape aEFMap;
84 TopExp::MapShapesAndAncestors(aShapeBase, TopAbs_EDGE, TopAbs_FACE, aEFMap);
85 Standard_Integer i, nbE = aEFMap.Extent();
86 for (i = 1; i <= nbE; i++) {
87 TopoDS_Shape anEdgeSh = aEFMap.FindKey(i);
88 if (BRep_Tool::Degenerated(TopoDS::Edge(anEdgeSh))) {
89 const TopTools_ListOfShape& aFaces = aEFMap.FindFromIndex(i);
91 Standard_ConstructionError::Raise
92 ("Scaling aborted : cannot scale standalone degenerated edge");
97 gp_Pnt aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt));
99 aTrsf.SetScale(aP, aCI.GetFactor());
100 BRepBuilderAPI_Transform aBRepTrsf (aShapeBase, aTrsf, Standard_False);
101 aShape = aBRepTrsf.Shape();
105 if (aShape.IsNull()) return 0;
107 if (!BRepAlgo::IsValid(aShape))
108 Standard_ConstructionError::Raise("Scaling aborted : non valid shape result");
110 aFunction->SetValue(aShape);
112 log.SetTouched(Label());
118 //=======================================================================
119 //function : GEOMImpl_ScaleDriver_Type_
121 //=======================================================================
122 Standard_EXPORT Handle_Standard_Type& GEOMImpl_ScaleDriver_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_ScaleDriver",
135 sizeof(GEOMImpl_ScaleDriver),
137 (Standard_Address)_Ancestors,
138 (Standard_Address)NULL);
143 //=======================================================================
144 //function : DownCast
146 //=======================================================================
147 const Handle(GEOMImpl_ScaleDriver) Handle(GEOMImpl_ScaleDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
149 Handle(GEOMImpl_ScaleDriver) _anOtherObject;
151 if (!AnObject.IsNull()) {
152 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_ScaleDriver))) {
153 _anOtherObject = Handle(GEOMImpl_ScaleDriver)((Handle(GEOMImpl_ScaleDriver)&)AnObject);
157 return _anOtherObject ;