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872a7e3a7e
Provide ShallowCopy() functions for adapters & evaluators of curves, 2d curves and surfaces. This will allow using copies of the same adapter in multi-thread calculations.
56 lines
2.1 KiB
C++
56 lines
2.1 KiB
C++
// Created on: 2015-09-21
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// Copyright (c) 2015 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 _Geom2dEvaluator_Curve_HeaderFile
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#define _Geom2dEvaluator_Curve_HeaderFile
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#include <Standard_Transient.hxx>
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#include <Standard_Type.hxx>
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class gp_Pnt2d;
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class gp_Vec2d;
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//! Interface for calculation of values and derivatives for different kinds of curves in 2D.
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//! Works both with adaptors and curves.
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class Geom2dEvaluator_Curve : public Standard_Transient
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{
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public:
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Geom2dEvaluator_Curve() {}
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//! Value of 2D curve
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virtual void D0(const Standard_Real theU,
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gp_Pnt2d& theValue) const = 0;
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//! Value and first derivatives of curve
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virtual void D1(const Standard_Real theU,
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gp_Pnt2d& theValue, gp_Vec2d& theD1) const = 0;
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//! Value, first and second derivatives of curve
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virtual void D2(const Standard_Real theU,
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gp_Pnt2d& theValue, gp_Vec2d& theD1, gp_Vec2d& theD2) const = 0;
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//! Value, first, second and third derivatives of curve
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virtual void D3(const Standard_Real theU,
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gp_Pnt2d& theValue, gp_Vec2d& theD1, gp_Vec2d& theD2, gp_Vec2d& theD3) const = 0;
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//! Calculates N-th derivatives of curve, where N = theDerU. Raises if N < 1
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virtual gp_Vec2d DN(const Standard_Real theU,
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const Standard_Integer theDerU) const = 0;
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virtual Handle(Geom2dEvaluator_Curve) ShallowCopy() const = 0;
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DEFINE_STANDARD_RTTI_INLINE(Geom2dEvaluator_Curve,Standard_Transient)
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};
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DEFINE_STANDARD_HANDLE(Geom2dEvaluator_Curve, Standard_Transient)
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#endif // _Geom2dEvaluator_Curve_HeaderFile
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