mirror of
https://git.salome-platform.org/gitpub/modules/geom.git
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153 lines
5.3 KiB
C++
153 lines
5.3 KiB
C++
// Copyright (C) 2005 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
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// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License.
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//
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// This library is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// See http://www.salome-platform.org/
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//
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#include <Standard_Stream.hxx>
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#include <GEOMImpl_ArcDriver.hxx>
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#include <GEOMImpl_IArc.hxx>
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#include <GEOMImpl_Types.hxx>
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#include <GEOM_Function.hxx>
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#include <BRepBuilderAPI_MakeEdge.hxx>
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#include <BRep_Tool.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <TopAbs.hxx>
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#include <TopExp.hxx>
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#include <GC_MakeArcOfCircle.hxx>
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#include <Standard_ConstructionError.hxx>
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#include <Precision.hxx>
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#include <gp_Pnt.hxx>
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#include <gp_Vec.hxx>
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//=======================================================================
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//function : GetID
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//purpose :
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//=======================================================================
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const Standard_GUID& GEOMImpl_ArcDriver::GetID()
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{
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static Standard_GUID aArcDriver("FF1BBB35-5D14-4df2-980B-3A668264EA16");
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return aArcDriver;
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}
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//=======================================================================
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//function : GEOMImpl_ArcDriver
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//purpose :
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//=======================================================================
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GEOMImpl_ArcDriver::GEOMImpl_ArcDriver()
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{
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}
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//=======================================================================
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//function : Execute
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//purpose :
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//=======================================================================
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Standard_Integer GEOMImpl_ArcDriver::Execute(TFunction_Logbook& log) const
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{
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if (Label().IsNull()) return 0;
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Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
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GEOMImpl_IArc aCI (aFunction);
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Standard_Integer aType = aFunction->GetType();
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TopoDS_Shape aShape;
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if (aType == CIRC_ARC_THREE_PNT) {
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Handle(GEOM_Function) aRefPoint1 = aCI.GetPoint1();
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Handle(GEOM_Function) aRefPoint2 = aCI.GetPoint2();
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Handle(GEOM_Function) aRefPoint3 = aCI.GetPoint3();
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TopoDS_Shape aShapePnt1 = aRefPoint1->GetValue();
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TopoDS_Shape aShapePnt2 = aRefPoint2->GetValue();
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TopoDS_Shape aShapePnt3 = aRefPoint3->GetValue();
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if (aShapePnt1.ShapeType() == TopAbs_VERTEX &&
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aShapePnt2.ShapeType() == TopAbs_VERTEX &&
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aShapePnt3.ShapeType() == TopAbs_VERTEX) {
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gp_Pnt aP1 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt1));
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gp_Pnt aP2 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt2));
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gp_Pnt aP3 = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt3));
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if (aP1.Distance(aP2) < gp::Resolution() ||
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aP1.Distance(aP3) < gp::Resolution() ||
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aP2.Distance(aP3) < gp::Resolution())
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Standard_ConstructionError::Raise("Arc creation aborted: coincident points given");
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if (gp_Vec(aP1, aP2).IsParallel(gp_Vec(aP1, aP3), Precision::Angular()))
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Standard_ConstructionError::Raise("Arc creation aborted: points lay on one line");
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GC_MakeArcOfCircle arc (aP1, aP2, aP3);
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aShape = BRepBuilderAPI_MakeEdge(arc).Edge();
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}
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} else {
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}
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if (aShape.IsNull()) return 0;
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aFunction->SetValue(aShape);
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log.SetTouched(Label());
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return 1;
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}
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//=======================================================================
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//function : GEOMImpl_ArcDriver_Type_
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//purpose :
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//=======================================================================
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Standard_EXPORT Handle_Standard_Type& GEOMImpl_ArcDriver_Type_()
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{
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static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
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if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
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static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
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if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
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static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
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if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
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static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
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static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_ArcDriver",
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sizeof(GEOMImpl_ArcDriver),
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1,
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(Standard_Address)_Ancestors,
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(Standard_Address)NULL);
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return _aType;
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}
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//=======================================================================
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//function : DownCast
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//purpose :
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//=======================================================================
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const Handle(GEOMImpl_ArcDriver) Handle(GEOMImpl_ArcDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
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{
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Handle(GEOMImpl_ArcDriver) _anOtherObject;
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if (!AnObject.IsNull()) {
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if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_ArcDriver))) {
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_anOtherObject = Handle(GEOMImpl_ArcDriver)((Handle(GEOMImpl_ArcDriver)&)AnObject);
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}
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}
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return _anOtherObject ;
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}
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