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// File: BRepFill_ACRLaw.cxx
// Created: Tue Sep 1 14:13:11 1998
// Author: Stephanie Humeau
// <shu@sun17>
#include <BRepFill_ACRLaw.ixx>
#include <BRepTools_WireExplorer.hxx>
#include <BRep_Tool.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Edge.hxx>
#include <TopExp.hxx>
#include <TopTools_HArray1OfShape.hxx>
#include <BRepFill.hxx>
#include <GeomFill_LocationLaw.hxx>
#include <GeomFill_LocationGuide.hxx>
#include <GeomFill_HArray1OfLocationLaw.hxx>
#include <Geom_Curve.hxx>
#include <Geom_TrimmedCurve.hxx>
#include <GeomAdaptor_HCurve.hxx>
#include <Approx_CurvlinFunc.hxx>
BRepFill_ACRLaw::BRepFill_ACRLaw(const TopoDS_Wire& Path,
const Handle(GeomFill_LocationGuide)& theLaw)
{
Init(Path);
// calcul du nb d'edge du path
BRepTools_WireExplorer wexp;
Standard_Integer NbEdge = 0;
for (wexp.Init(myPath); wexp.More(); wexp.Next()) NbEdge++;
// tab pour memoriser les ACR pour chaque edge
OrigParam = new (TColStd_HArray1OfReal)(0,NbEdge);
TColStd_Array1OfReal Orig (0,NbEdge);
BRepFill::ComputeACR(Path, Orig);
Standard_Integer ipath;
TopAbs_Orientation Or;
// Class BRep_Tool without fields and without Constructor :
// BRep_Tool B;
TopoDS_Edge E;
Handle(Geom_Curve) C;
Handle(GeomAdaptor_HCurve) AC;
Standard_Real First, Last;
// on recupere les ACR des edges de la trajectoire
OrigParam->SetValue(0,0);
for (ipath=1;ipath<=NbEdge;ipath++)
OrigParam->SetValue(ipath, Orig(ipath));
// on traite chaque edge de la trajectoire
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);
C = BRep_Tool::Curve(E,First,Last);
Or = E.Orientation();
if (Or == TopAbs_REVERSED) {
Handle(Geom_TrimmedCurve) CBis =
new (Geom_TrimmedCurve) (C, First, Last);
CBis->Reverse(); // Pour eviter de deteriorer la topologie
C = CBis;
First = C->FirstParameter();
Last = C->LastParameter();
}
AC = new (GeomAdaptor_HCurve) (C, First, Last);
// on Set les parametres pour le cas multi-edges
Standard_Real t1 = OrigParam->Value(ipath-1);
Standard_Real t2 = OrigParam->Value(ipath);
Handle(GeomFill_LocationGuide) Loc;
Loc = Handle(GeomFill_LocationGuide)::DownCast(theLaw);
Loc->SetOrigine(t1,t2);
myLaws->SetValue(ipath, Loc->Copy());
myLaws->ChangeValue(ipath)->SetCurve(AC);
}
}
}
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