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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
89 lines
2.3 KiB
C++
89 lines
2.3 KiB
C++
// Created on: 1997-05-28
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// Created by: Xavier BENVENISTE
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// Copyright (c) 1997-1999 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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#ifndef _GeomLib_CheckBSplineCurve_HeaderFile
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#define _GeomLib_CheckBSplineCurve_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <Standard_Boolean.hxx>
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#include <Standard_Real.hxx>
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#include <gp_Pnt.hxx>
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class Geom_BSplineCurve;
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class StdFail_NotDone;
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class Standard_OutOfRange;
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//! Checks for the end tangents : wether or not those
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//! are reversed regarding the third or n-3rd control
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class GeomLib_CheckBSplineCurve
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{
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public:
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DEFINE_STANDARD_ALLOC
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Standard_EXPORT GeomLib_CheckBSplineCurve(const Handle(Geom_BSplineCurve)& Curve, const Standard_Real Tolerance, const Standard_Real AngularTolerance);
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Standard_Boolean IsDone() const;
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Standard_EXPORT void NeedTangentFix (Standard_Boolean& FirstFlag, Standard_Boolean& SecondFlag) const;
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Standard_EXPORT void FixTangent (const Standard_Boolean FirstFlag, const Standard_Boolean LastFlag);
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//! modifies the curve
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//! by fixing the first or the last tangencies
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//!
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//! if Index3D not in the Range [1,Nb3dSpaces]
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//! if the Approx is not Done
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Standard_EXPORT Handle(Geom_BSplineCurve) FixedTangent (const Standard_Boolean FirstFlag, const Standard_Boolean LastFlag);
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protected:
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private:
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Handle(Geom_BSplineCurve) myCurve;
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Standard_Boolean myDone;
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Standard_Boolean myFixFirstTangent;
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Standard_Boolean myFixLastTangent;
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Standard_Real myAngularTolerance;
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Standard_Real myTolerance;
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gp_Pnt myFirstPole;
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gp_Pnt myLastPole;
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};
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#include <GeomLib_CheckBSplineCurve.lxx>
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#endif // _GeomLib_CheckBSplineCurve_HeaderFile
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