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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
92 lines
2.7 KiB
C++
92 lines
2.7 KiB
C++
// Created on: 1992-03-26
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// Created by: Herve LEGRAND
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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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#ifndef _GeomLProp_CurveTool_HeaderFile
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#define _GeomLProp_CurveTool_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_Real.hxx>
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#include <Standard_Integer.hxx>
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class Geom_Curve;
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class gp_Pnt;
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class gp_Vec;
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class GeomLProp_CurveTool
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Computes the point <P> of parameter <U> on the curve <C>.
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Standard_EXPORT static void Value (const Handle(Geom_Curve)& C, const Standard_Real U, gp_Pnt& P);
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//! Computes the point <P> and first derivative <V1> of
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//! parameter <U> on the curve <C>.
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Standard_EXPORT static void D1 (const Handle(Geom_Curve)& C, const Standard_Real U, gp_Pnt& P, gp_Vec& V1);
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//! Computes the point <P>, the first derivative <V1> and second
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//! derivative <V2> of parameter <U> on the curve <C>.
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Standard_EXPORT static void D2 (const Handle(Geom_Curve)& C, const Standard_Real U, gp_Pnt& P, gp_Vec& V1, gp_Vec& V2);
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//! Computes the point <P>, the first derivative <V1>, the
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//! second derivative <V2> and third derivative <V3> of
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//! parameter <U> on the curve <C>.
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Standard_EXPORT static void D3 (const Handle(Geom_Curve)& C, const Standard_Real U, gp_Pnt& P, gp_Vec& V1, gp_Vec& V2, gp_Vec& V3);
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//! returns the order of continuity of the curve <C>.
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//! returns 1 : first derivative only is computable
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//! returns 2 : first and second derivative only are computable.
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//! returns 3 : first, second and third are computable.
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Standard_EXPORT static Standard_Integer Continuity (const Handle(Geom_Curve)& C);
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//! returns the first parameter bound of the curve.
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Standard_EXPORT static Standard_Real FirstParameter (const Handle(Geom_Curve)& C);
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//! returns the last parameter bound of the curve.
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//! FirstParameter must be less than LastParamenter.
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Standard_EXPORT static Standard_Real LastParameter (const Handle(Geom_Curve)& C);
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protected:
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private:
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};
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#endif // _GeomLProp_CurveTool_HeaderFile
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