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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
113 lines
3.5 KiB
C++
113 lines
3.5 KiB
C++
// Created on: 1995-07-17
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// Created by: Modelistation
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// Copyright (c) 1995-1999 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 <BRepAdaptor_Curve.hxx>
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#include <Geom_BezierCurve.hxx>
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#include <Geom_BSplineCurve.hxx>
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#include <GeomAbs_CurveType.hxx>
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#include <GeomAbs_Shape.hxx>
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#include <gp_Pnt.hxx>
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#include <gp_Vec.hxx>
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#include <HLRBRep_BCurveTool.hxx>
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#include <Standard_DomainError.hxx>
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#include <Standard_NoSuchObject.hxx>
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#include <Standard_OutOfRange.hxx>
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#include <TColgp_Array1OfPnt.hxx>
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#include <TColStd_Array1OfReal.hxx>
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//=======================================================================
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//function : NbSamples
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//purpose :
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//=======================================================================
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Standard_Integer
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HLRBRep_BCurveTool::NbSamples (const BRepAdaptor_Curve& C,
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const Standard_Real U0,
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const Standard_Real U1)
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{
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GeomAbs_CurveType typC = C.GetType();
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static Standard_Real nbsOther = 10.0;
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Standard_Real nbs = nbsOther;
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if(typC == GeomAbs_Line)
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nbs = 2;
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else if(typC == GeomAbs_BezierCurve)
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nbs = 3 + C.NbPoles();
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else if(typC == GeomAbs_BSplineCurve) {
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nbs = C.NbKnots();
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nbs*= C.Degree();
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nbs*= C.LastParameter()- C.FirstParameter();
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nbs/= U1-U0;
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if(nbs < 2.0) nbs=2;
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}
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if(nbs>50)
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nbs = 50;
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return((Standard_Integer)nbs);
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}
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//=======================================================================
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//function : Poles
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//purpose :
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//=======================================================================
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void HLRBRep_BCurveTool::Poles(const BRepAdaptor_Curve& C,
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TColgp_Array1OfPnt& T)
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{
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if(C.GetType() == GeomAbs_BezierCurve)
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C.Bezier()->Poles(T);
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else if(C.GetType() == GeomAbs_BSplineCurve)
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C.BSpline()->Poles(T);
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}
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//=======================================================================
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//function : PolesAndWeights
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//purpose :
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//=======================================================================
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void HLRBRep_BCurveTool::PolesAndWeights(const BRepAdaptor_Curve& C,
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TColgp_Array1OfPnt& T,
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TColStd_Array1OfReal& W)
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{
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if(C.GetType() == GeomAbs_BezierCurve) {
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const Handle(Geom_BezierCurve) HB = C.Bezier();
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HB->Poles(T);
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HB->Weights(W);
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}
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else if(C.GetType() == GeomAbs_BSplineCurve) {
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const Handle(Geom_BSplineCurve) HB = C.BSpline();
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HB->Poles(T);
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HB->Weights(W);
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}
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}
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//=======================================================================
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//function : Bezier
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//purpose :
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//=======================================================================
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Handle(Geom_BezierCurve)
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HLRBRep_BCurveTool::Bezier (const BRepAdaptor_Curve& C)
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{ return(C.Bezier()); }
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//=======================================================================
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//function : BSpline
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//purpose :
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//=======================================================================
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Handle(Geom_BSplineCurve)
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HLRBRep_BCurveTool::BSpline (const BRepAdaptor_Curve& C)
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{ return(C.BSpline()); }
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