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110 lines
3.4 KiB
C++
110 lines
3.4 KiB
C++
// Created on: 1998-07-27
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// Created by: Philippe MANGIN
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// Copyright (c) 1998-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <Adaptor3d_CurveOnSurface.hxx>
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#include <Adaptor3d_HCurveOnSurface.hxx>
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#include <BRep_Tool.hxx>
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#include <BRepAdaptor_HSurface.hxx>
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#include <BRepFill_EdgeOnSurfLaw.hxx>
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#include <BRepTools_WireExplorer.hxx>
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#include <Geom2d_Curve.hxx>
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#include <Geom2d_TrimmedCurve.hxx>
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#include <Geom2dAdaptor_HCurve.hxx>
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#include <GeomFill_CurveAndTrihedron.hxx>
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#include <GeomFill_Darboux.hxx>
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#include <GeomFill_HArray1OfLocationLaw.hxx>
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#include <GeomFill_LocationLaw.hxx>
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#include <Standard_Type.hxx>
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#include <TopExp_Explorer.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TopoDS_Wire.hxx>
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#include <TopTools_HArray1OfShape.hxx>
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IMPLEMENT_STANDARD_RTTIEXT(BRepFill_EdgeOnSurfLaw,BRepFill_LocationLaw)
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BRepFill_EdgeOnSurfLaw::BRepFill_EdgeOnSurfLaw(const TopoDS_Wire& Path,
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const TopoDS_Shape& Surf)
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{
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hasresult = Standard_True;
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Init(Path);
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Standard_Boolean Trouve;
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Standard_Integer ipath;// ,NbEdge;
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TopAbs_Orientation Or;
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BRepTools_WireExplorer wexp;
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TopExp_Explorer exp;
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// Class BRep_Tool without fields and without Constructor :
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// BRep_Tool B;
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TopoDS_Edge E;
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Handle(Geom2d_Curve) C;
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Handle(Geom2dAdaptor_HCurve) AC2d;
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Handle(Adaptor3d_HCurveOnSurface) AC;
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Handle(BRepAdaptor_HSurface) AS;
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Standard_Real First = 0., Last = 0.;
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Handle(GeomFill_Darboux) TLaw = new (GeomFill_Darboux)() ;
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Handle(GeomFill_CurveAndTrihedron) Law =
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new (GeomFill_CurveAndTrihedron) (TLaw);
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for (ipath=0, wexp.Init(myPath);
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wexp.More(); wexp.Next()) {
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E = wexp.Current();
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// if (!B.Degenerated(E)) {
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if (!BRep_Tool::Degenerated(E)) {
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ipath++;
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myEdges->SetValue(ipath, E);
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for (Trouve=Standard_False, exp.Init(Surf, TopAbs_FACE);
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exp.More() && !Trouve; exp.Next()) {
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const TopoDS_Face& F = TopoDS::Face(exp.Current());
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C = BRep_Tool::CurveOnSurface(E, F, First, Last);
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if (!C.IsNull()) {
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Trouve=Standard_True;
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AS = new (BRepAdaptor_HSurface) (F);
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}
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}
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if (!Trouve) { // Impossible to construct the law.
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hasresult = Standard_False;
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myLaws.Nullify();
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return;
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}
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Or = E.Orientation();
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if (Or == TopAbs_REVERSED) {
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Handle(Geom2d_TrimmedCurve) CBis =
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new (Geom2d_TrimmedCurve) (C, First, Last);
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CBis->Reverse(); // To avoid spoiling the topology
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C = CBis;
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First = C->FirstParameter();
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Last = C->LastParameter();
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}
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AC2d = new (Geom2dAdaptor_HCurve) (C,First, Last);
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AC = new (Adaptor3d_HCurveOnSurface)
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(Adaptor3d_CurveOnSurface(AC2d, AS));
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myLaws->SetValue(ipath, Law->Copy());
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myLaws->ChangeValue(ipath)->SetCurve(AC);
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}
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}
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}
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Standard_Boolean BRepFill_EdgeOnSurfLaw::HasResult() const
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{
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return hasresult;
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}
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