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// File: BRepFill_EdgeOnSurfLaw.cxx
// Created: Mon Jul 27 14:30:36 1998
// Author: Philippe MANGIN
// <pmn@sgi29>
#include <BRepFill_EdgeOnSurfLaw.ixx>
#include <BRepTools_WireExplorer.hxx>
#include <BRep_Tool.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Edge.hxx>
#include <TopExp_Explorer.hxx>
#include <TopTools_HArray1OfShape.hxx>
#include <GeomFill_LocationLaw.hxx>
#include <GeomFill_HArray1OfLocationLaw.hxx>
#include <GeomFill_Darboux.hxx>
#include <GeomFill_CurveAndTrihedron.hxx>
#include <Geom2d_Curve.hxx>
#include <Geom2d_TrimmedCurve.hxx>
#include <Adaptor3d_CurveOnSurface.hxx>
#include <Adaptor3d_HCurveOnSurface.hxx>
#include <Geom2dAdaptor_HCurve.hxx>
#include <BRepAdaptor_HSurface.hxx>
BRepFill_EdgeOnSurfLaw::BRepFill_EdgeOnSurfLaw(const TopoDS_Wire& Path,
const TopoDS_Shape& Surf)
{
hasresult = Standard_True;
Init(Path);
Standard_Boolean Trouve;
Standard_Integer ipath;// ,NbEdge;
TopAbs_Orientation Or;
BRepTools_WireExplorer wexp;
TopExp_Explorer exp;
// Class BRep_Tool without fields and without Constructor :
// BRep_Tool B;
TopoDS_Edge E;
Handle(Geom2d_Curve) C;
Handle(Geom2dAdaptor_HCurve) AC2d;
Handle(Adaptor3d_HCurveOnSurface) AC;
Handle(BRepAdaptor_HSurface) AS;
Standard_Real First = 0.0 , Last = 0.0 ;
Handle(GeomFill_Darboux) TLaw = new (GeomFill_Darboux)() ;
Handle(GeomFill_CurveAndTrihedron) Law =
new (GeomFill_CurveAndTrihedron) (TLaw);
for (ipath=0, wexp.Init(myPath);
wexp.More(); wexp.Next()) {
E = wexp.Current();
// if (!B.Degenerated(E)) {
if (!BRep_Tool::Degenerated(E)) {
ipath++;
myEdges->SetValue(ipath, E);
for (Trouve=Standard_False, exp.Init(Surf, TopAbs_FACE);
exp.More() && !Trouve; exp.Next()) {
const TopoDS_Face& F = TopoDS::Face(exp.Current());
C = BRep_Tool::CurveOnSurface(E, F, First, Last);
if (!C.IsNull()) {
Trouve=Standard_True;
AS = new (BRepAdaptor_HSurface) (F);
}
}
if (!Trouve) { // Impossible de construire la loi.
hasresult = Standard_False;
myLaws.Nullify();
return;
}
Or = E.Orientation();
if (Or == TopAbs_REVERSED) {
Handle(Geom2d_TrimmedCurve) CBis =
new (Geom2d_TrimmedCurve) (C, First, Last);
CBis->Reverse(); // Pour eviter de deteriorer la topologie
C = CBis;
First = C->FirstParameter();
Last = C->LastParameter();
}
AC2d = new (Geom2dAdaptor_HCurve) (C,First, Last);
AC = new (Adaptor3d_HCurveOnSurface)
(Adaptor3d_CurveOnSurface(AC2d, AS));
myLaws->SetValue(ipath, Law->Copy());
myLaws->ChangeValue(ipath)->SetCurve(AC);
}
}
}
Standard_Boolean BRepFill_EdgeOnSurfLaw::HasResult() const
{
return hasresult;
}
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