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OCCT/src/StepToGeom/StepToGeom_MakeBoundedCurve.cxx
bugmaster b311480ed5 0023024: Update headers of OCCT files 
Added appropriate copyright and license information in source files
2012-03-21 19:43:04 +04:00

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// Created on: 1993-07-02
// Created by: Martine LANGLOIS
// Copyright (c) 1993-1999 Matra Datavision
// Copyright (c) 1999-2012 OPEN CASCADE SAS
//
// The content of this file is subject to the Open CASCADE Technology Public
// License Version 6.5 (the "License"). You may not use the content of this file
// except in compliance with the License. Please obtain a copy of the License
// at http://www.opencascade.org and read it completely before using this file.
//
// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
//
// The Original Code and all software distributed under the License is
// distributed on an "AS IS" basis, without warranty of any kind, and the
// Initial Developer hereby disclaims all such warranties, including without
// limitation, any warranties of merchantability, fitness for a particular
// purpose or non-infringement. Please see the License for the specific terms
// and conditions governing the rights and limitations under the License.
//:n6 abv 15.02.99: S4132: adding translation of polyline
//:p0 abv 19.02.99: management of 'done' flag improved; trimmed_curve treated
#include <StepToGeom_MakeBoundedCurve.ixx>
#include <StepGeom_BSplineCurveWithKnotsAndRationalBSplineCurve.hxx>
#include <StepGeom_BSplineCurveWithKnots.hxx>
#include <StepGeom_BezierCurve.hxx>
#include <StepGeom_UniformCurve.hxx>
#include <StepGeom_UniformCurveAndRationalBSplineCurve.hxx>
#include <StepGeom_QuasiUniformCurve.hxx>
#include <StepGeom_QuasiUniformCurveAndRationalBSplineCurve.hxx>
#include <StepGeom_Polyline.hxx>
#include <StepGeom_TrimmedCurve.hxx>
#include <StepGeom_KnotType.hxx>
#include <StepToGeom_MakeBSplineCurve.hxx>
#include <StepGeom_Polyline.hxx>
#include <StepToGeom_MakePolyline.hxx>
#include <StepToGeom_MakeTrimmedCurve.hxx>
#include <TColStd_HArray1OfInteger.hxx>
#include <TColStd_HArray1OfReal.hxx>
//=============================================================================
// Creation d' une BoundedCurve de Geom a partir d' une BoundedCurve de Step
//=============================================================================
Standard_Boolean StepToGeom_MakeBoundedCurve::Convert
(const Handle(StepGeom_BoundedCurve)& SC,
Handle(Geom_BoundedCurve)& CC)
{
if (SC->IsKind(STANDARD_TYPE(StepGeom_BSplineCurveWithKnotsAndRationalBSplineCurve))) {
const Handle(StepGeom_BSplineCurveWithKnotsAndRationalBSplineCurve)
Bspli = Handle(StepGeom_BSplineCurveWithKnotsAndRationalBSplineCurve)::DownCast(SC);
return StepToGeom_MakeBSplineCurve::Convert(Bspli,*((Handle(Geom_BSplineCurve)*)&CC));
}
if (SC->IsKind(STANDARD_TYPE(StepGeom_BSplineCurveWithKnots))) {
const Handle(StepGeom_BSplineCurveWithKnots)
Bspli = Handle(StepGeom_BSplineCurveWithKnots)::DownCast(SC);
return StepToGeom_MakeBSplineCurve::Convert(Bspli,*((Handle(Geom_BSplineCurve)*)&CC));
}
if (SC->IsKind(STANDARD_TYPE(StepGeom_TrimmedCurve))) {
const Handle(StepGeom_TrimmedCurve) L = Handle(StepGeom_TrimmedCurve)::DownCast(SC);
return StepToGeom_MakeTrimmedCurve::Convert(L,*((Handle(Geom_TrimmedCurve)*)&CC));
}
// STEP BezierCurve, UniformCurve and QuasiUniformCurve are transformed into
// STEP BSplineCurve before being mapped onto CAS.CADE/SF
if (SC->IsKind(STANDARD_TYPE(StepGeom_BezierCurve))) {
const Handle(StepGeom_BezierCurve) BzC = Handle(StepGeom_BezierCurve)::DownCast(SC);
const Handle(StepGeom_BSplineCurveWithKnots) BSPL = new StepGeom_BSplineCurveWithKnots;
BSPL->SetDegree(BzC->Degree());
BSPL->SetControlPointsList(BzC->ControlPointsList());
BSPL->SetCurveForm(BzC->CurveForm());
BSPL->SetClosedCurve(BzC->ClosedCurve());
BSPL->SetSelfIntersect(BzC->SelfIntersect());
// Compute Knots and KnotsMultiplicity
const Handle(TColStd_HArray1OfInteger) Kmult = new TColStd_HArray1OfInteger(1,2);
const Handle(TColStd_HArray1OfReal) Knots = new TColStd_HArray1OfReal(1,2);
Kmult->SetValue(1, BzC->Degree() + 1);
Kmult->SetValue(2, BzC->Degree() + 1);
Knots->SetValue(1, 0.);
Knots->SetValue(2, 1.);
BSPL->SetKnotMultiplicities(Kmult);
BSPL->SetKnots(Knots);
return StepToGeom_MakeBSplineCurve::Convert(BSPL,*((Handle(Geom_BSplineCurve)*)&CC));
}
if (SC->IsKind(STANDARD_TYPE(StepGeom_UniformCurve))) {
//#ifdef DEBUG
// cout << "Warning : converting UniformCurve onto BSplineCurveWithKnots" << endl;
//#endif
const Handle(StepGeom_UniformCurve) UC = Handle(StepGeom_UniformCurve)::DownCast(SC);
const Handle(StepGeom_BSplineCurveWithKnots) BSPL = new StepGeom_BSplineCurveWithKnots;
BSPL->SetDegree(UC->Degree());
BSPL->SetControlPointsList(UC->ControlPointsList());
BSPL->SetCurveForm(UC->CurveForm());
BSPL->SetClosedCurve(UC->ClosedCurve());
BSPL->SetSelfIntersect(UC->SelfIntersect());
// Compute Knots and KnotsMultiplicity
const Standard_Integer nbK = BSPL->NbControlPointsList() + BSPL->Degree() + 1;
const Handle(TColStd_HArray1OfInteger) Kmult = new TColStd_HArray1OfInteger(1,nbK);
const Handle(TColStd_HArray1OfReal) Knots = new TColStd_HArray1OfReal(1,nbK);
for (Standard_Integer iUC = 1 ; iUC <= nbK ; iUC ++) {
Kmult->SetValue(iUC, 1);
Knots->SetValue(iUC, iUC - 1.);
}
BSPL->SetKnotMultiplicities(Kmult);
BSPL->SetKnots(Knots);
return StepToGeom_MakeBSplineCurve::Convert(BSPL,*((Handle(Geom_BSplineCurve)*)&CC));
}
if (SC->IsKind(STANDARD_TYPE(StepGeom_QuasiUniformCurve))) {
//#ifdef DEBUG
// cout << "Warning : converting QuasiUniformCurve onto BSplineCurveWithKnots" << endl;
//#endif
const Handle(StepGeom_QuasiUniformCurve) QUC =
Handle(StepGeom_QuasiUniformCurve)::DownCast(SC);
const Handle(StepGeom_BSplineCurveWithKnots) BSPL = new StepGeom_BSplineCurveWithKnots;
BSPL->SetDegree(QUC->Degree());
BSPL->SetControlPointsList(QUC->ControlPointsList());
BSPL->SetCurveForm(QUC->CurveForm());
BSPL->SetClosedCurve(QUC->ClosedCurve());
BSPL->SetSelfIntersect(QUC->SelfIntersect());
// Compute Knots and KnotsMultiplicity
const Standard_Integer nbK = BSPL->NbControlPointsList() - BSPL->Degree() + 1;
const Handle(TColStd_HArray1OfInteger) Kmult = new TColStd_HArray1OfInteger(1,nbK);
const Handle(TColStd_HArray1OfReal) Knots = new TColStd_HArray1OfReal(1,nbK);
for (Standard_Integer iQUC = 1 ; iQUC <= nbK ; iQUC ++) {
Kmult->SetValue(iQUC, 1);
Knots->SetValue(iQUC, iQUC - 1.);
}
Kmult->SetValue(1, BSPL->Degree() + 1);
Kmult->SetValue(nbK, BSPL->Degree() + 1);
BSPL->SetKnotMultiplicities(Kmult);
BSPL->SetKnots(Knots);
return StepToGeom_MakeBSplineCurve::Convert(BSPL,*((Handle(Geom_BSplineCurve)*)&CC));
}
if (SC->IsKind(STANDARD_TYPE(StepGeom_UniformCurveAndRationalBSplineCurve))) {
//#ifdef DEBUG
// cout << "Warning : converting Rational UniformCurve onto BSplineCurveWithKnots" << endl;
//#endif
const Handle(StepGeom_UniformCurveAndRationalBSplineCurve) RUC =
Handle(StepGeom_UniformCurveAndRationalBSplineCurve)::DownCast(SC);
const Handle(StepGeom_BSplineCurveWithKnotsAndRationalBSplineCurve) RBSPL =
new StepGeom_BSplineCurveWithKnotsAndRationalBSplineCurve;
// Compute Knots and KnotsMultiplicity
const Standard_Integer nbK = RUC->NbControlPointsList() + RUC->Degree() + 1;
const Handle(TColStd_HArray1OfInteger) Kmult = new TColStd_HArray1OfInteger(1,nbK);
const Handle(TColStd_HArray1OfReal) Knots = new TColStd_HArray1OfReal(1,nbK);
for (Standard_Integer iUC = 1 ; iUC <= nbK ; iUC ++) {
Kmult->SetValue(iUC, 1);
Knots->SetValue(iUC, iUC - 1.);
}
// Initialize the BSplineCurveWithKnotsAndRationalBSplineCurve
RBSPL->Init(RUC->Name(), RUC->Degree(), RUC->ControlPointsList(), RUC->CurveForm(),
RUC->ClosedCurve(), RUC->SelfIntersect(), Kmult, Knots, StepGeom_ktUnspecified,
RUC->WeightsData());
return StepToGeom_MakeBSplineCurve::Convert(RBSPL,*((Handle(Geom_BSplineCurve)*)&CC));
}
if (SC->IsKind(STANDARD_TYPE(StepGeom_QuasiUniformCurveAndRationalBSplineCurve))) {
//#ifdef DEBUG
// cout << "Warning : converting Rational QuasiUniformCurve onto BSplineCurveWithKnots" << endl;
//#endif
const Handle(StepGeom_QuasiUniformCurveAndRationalBSplineCurve) RQUC =
Handle(StepGeom_QuasiUniformCurveAndRationalBSplineCurve)::DownCast(SC);
const Handle(StepGeom_BSplineCurveWithKnotsAndRationalBSplineCurve) RBSPL =
new StepGeom_BSplineCurveWithKnotsAndRationalBSplineCurve;
// Compute Knots and KnotsMultiplicity
const Standard_Integer nbK = RQUC->NbControlPointsList() - RQUC->Degree() + 1;
const Handle(TColStd_HArray1OfInteger) Kmult = new TColStd_HArray1OfInteger(1,nbK);
const Handle(TColStd_HArray1OfReal) Knots = new TColStd_HArray1OfReal(1,nbK);
for (Standard_Integer iRQUC = 1 ; iRQUC <= nbK ; iRQUC ++) {
Kmult->SetValue(iRQUC, 1);
Knots->SetValue(iRQUC, iRQUC - 1.);
}
Kmult->SetValue(1, RQUC->Degree() + 1);
Kmult->SetValue(nbK, RQUC->Degree() + 1);
// Initialize the BSplineCurveWithKnotsAndRationalBSplineCurve
RBSPL->Init(RQUC->Name(), RQUC->Degree(), RQUC->ControlPointsList(), RQUC->CurveForm(),
RQUC->ClosedCurve(), RQUC->SelfIntersect(), Kmult, Knots, StepGeom_ktUnspecified,
RQUC->WeightsData());
return StepToGeom_MakeBSplineCurve::Convert(RBSPL,*((Handle(Geom_BSplineCurve)*)&CC));
}
if (SC->IsKind(STANDARD_TYPE(StepGeom_Polyline))) { //:n6 abv 15 Feb 99
const Handle(StepGeom_Polyline) PL = Handle(StepGeom_Polyline)::DownCast (SC);
return StepToGeom_MakePolyline::Convert(PL,*((Handle(Geom_BSplineCurve)*)&CC));
}
return Standard_False;
}
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