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https://github.com/Open-Cascade-SAS/OCCT.git
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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
58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
// Created on: 1992-10-22
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// Created by: Laurent BUCHARD
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// Copyright (c) 1992-1999 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 <Adaptor2d_Curve2d.hxx>
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#include <Geom2d_BezierCurve.hxx>
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#include <Geom2d_BSplineCurve.hxx>
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#include <Geom2dInt_Geom2dCurveTool.hxx>
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#include <GeomAbs_CurveType.hxx>
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#include <gp_Pnt2d.hxx>
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#include <gp_Vec2d.hxx>
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//============================================================
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Standard_Integer Geom2dInt_Geom2dCurveTool::NbSamples (const Adaptor2d_Curve2d& 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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Standard_Integer nbs = C.NbSamples();
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if(typC == GeomAbs_BSplineCurve) {
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Standard_Real t=C.LastParameter()-C.FirstParameter();
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Standard_Real t1=U1-U0;
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if(t1<0.0) t1=-t1;
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nbs = C.NbKnots();
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nbs*= C.Degree();
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Standard_Real anb = t1/t * nbs;
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nbs = (Standard_Integer)anb;
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if(nbs < 4.0) nbs=4;
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}
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if(nbs>300)
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nbs = 300;
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return nbs;
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}
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//============================================================
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Standard_Integer Geom2dInt_Geom2dCurveTool::NbSamples (const Adaptor2d_Curve2d& C) {
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return C.NbSamples();
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}
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