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 <BRepBuilderAPI_GTransform.hxx>
30 #include <BRep_Tool.hxx>
31 #include <BRepAlgo.hxx>
35 #include <TopoDS_Shape.hxx>
36 #include <TopoDS_Vertex.hxx>
37 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
39 #include <Precision.hxx>
41 #include <gp_Trsf.hxx>
42 #include <gp_GTrsf.hxx>
44 //=======================================================================
47 //=======================================================================
48 const Standard_GUID& GEOMImpl_ScaleDriver::GetID()
50 static Standard_GUID aScaleDriver("FF1BBB52-5D14-4df2-980B-3A668264EA16");
55 //=======================================================================
56 //function : GEOMImpl_ScaleDriver
58 //=======================================================================
59 GEOMImpl_ScaleDriver::GEOMImpl_ScaleDriver()
63 //=======================================================================
66 //=======================================================================
67 Standard_Integer GEOMImpl_ScaleDriver::Execute(TFunction_Logbook& log) const
69 if (Label().IsNull()) return 0;
70 Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
72 GEOMImpl_IScale aCI (aFunction);
73 Standard_Integer aType = aFunction->GetType();
77 if (aType == SCALE_SHAPE || aType == SCALE_SHAPE_COPY) {
78 Handle(GEOM_Function) aRefShape = aCI.GetShape();
79 TopoDS_Shape aShapeBase = aRefShape->GetValue();
80 if (aShapeBase.IsNull()) return 0;
83 Handle(GEOM_Function) aRefPoint = aCI.GetPoint();
84 if (!aRefPoint.IsNull()) {
85 TopoDS_Shape aShapePnt = aRefPoint->GetValue();
86 if (aShapePnt.IsNull()) return 0;
87 if (aShapePnt.ShapeType() != TopAbs_VERTEX) return 0;
88 aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt));
91 // Bug 6839: Check for standalone (not included in faces) degenerated edges
92 TopTools_IndexedDataMapOfShapeListOfShape aEFMap;
93 TopExp::MapShapesAndAncestors(aShapeBase, TopAbs_EDGE, TopAbs_FACE, aEFMap);
94 Standard_Integer i, nbE = aEFMap.Extent();
95 for (i = 1; i <= nbE; i++) {
96 TopoDS_Shape anEdgeSh = aEFMap.FindKey(i);
97 if (BRep_Tool::Degenerated(TopoDS::Edge(anEdgeSh))) {
98 const TopTools_ListOfShape& aFaces = aEFMap.FindFromIndex(i);
100 Standard_ConstructionError::Raise
101 ("Scaling aborted : cannot scale standalone degenerated edge");
107 aTrsf.SetScale(aP, aCI.GetFactor());
108 BRepBuilderAPI_Transform aBRepTrsf (aShapeBase, aTrsf, Standard_False);
109 aShape = aBRepTrsf.Shape();
111 else if (aType == SCALE_SHAPE_AXES || aType == SCALE_SHAPE_AXES_COPY) {
112 Handle(GEOM_Function) aRefShape = aCI.GetShape();
113 TopoDS_Shape aShapeBase = aRefShape->GetValue();
114 if (aShapeBase.IsNull()) return 0;
118 Handle(GEOM_Function) aRefPoint = aCI.GetPoint();
119 if (!aRefPoint.IsNull()) {
120 TopoDS_Shape aShapePnt = aRefPoint->GetValue();
121 if (aShapePnt.IsNull()) return 0;
122 if (aShapePnt.ShapeType() != TopAbs_VERTEX) return 0;
123 aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt));
127 // Bug 6839: Check for standalone (not included in faces) degenerated edges
128 TopTools_IndexedDataMapOfShapeListOfShape aEFMap;
129 TopExp::MapShapesAndAncestors(aShapeBase, TopAbs_EDGE, TopAbs_FACE, aEFMap);
130 Standard_Integer i, nbE = aEFMap.Extent();
131 for (i = 1; i <= nbE; i++) {
132 TopoDS_Shape anEdgeSh = aEFMap.FindKey(i);
133 if (BRep_Tool::Degenerated(TopoDS::Edge(anEdgeSh))) {
134 const TopTools_ListOfShape& aFaces = aEFMap.FindFromIndex(i);
135 if (aFaces.IsEmpty())
136 Standard_ConstructionError::Raise
137 ("Scaling aborted : cannot scale standalone degenerated edge");
143 gp_Mat rot (aCI.GetFactorX(), 0, 0,
144 0, aCI.GetFactorY(), 0,
145 0, 0, aCI.GetFactorZ());
146 aGTrsf.SetVectorialPart(rot);
150 if (anO.Distance(aP) > Precision::Confusion()) {
152 aGTrsfP0.SetTranslationPart(anO.XYZ() - aP.XYZ());
154 aGTrsf0P.SetTranslationPart(aP.XYZ());
155 //aGTrsf = aGTrsf0P * aGTrsf * aGTrsfP0;
156 aGTrsf = aGTrsf0P.Multiplied(aGTrsf);
157 aGTrsf = aGTrsf.Multiplied(aGTrsfP0);
161 BRepBuilderAPI_GTransform aBRepGTrsf (aShapeBase, aGTrsf, Standard_False);
162 if (!aBRepGTrsf.IsDone())
163 Standard_ConstructionError::Raise("Scaling not done");
164 aShape = aBRepGTrsf.Shape();
169 if (aShape.IsNull()) return 0;
171 if (!BRepAlgo::IsValid(aShape))
172 Standard_ConstructionError::Raise("Scaling aborted : non valid shape result");
174 aFunction->SetValue(aShape);
176 log.SetTouched(Label());
182 //=======================================================================
183 //function : GEOMImpl_ScaleDriver_Type_
185 //=======================================================================
186 Standard_EXPORT Handle_Standard_Type& GEOMImpl_ScaleDriver_Type_()
189 static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
190 if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
191 static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
192 if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
193 static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
194 if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
197 static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
198 static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_ScaleDriver",
199 sizeof(GEOMImpl_ScaleDriver),
201 (Standard_Address)_Ancestors,
202 (Standard_Address)NULL);
207 //=======================================================================
208 //function : DownCast
210 //=======================================================================
211 const Handle(GEOMImpl_ScaleDriver) Handle(GEOMImpl_ScaleDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
213 Handle(GEOMImpl_ScaleDriver) _anOtherObject;
215 if (!AnObject.IsNull()) {
216 if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_ScaleDriver))) {
217 _anOtherObject = Handle(GEOMImpl_ScaleDriver)((Handle(GEOMImpl_ScaleDriver)&)AnObject);
221 return _anOtherObject ;