0031642: Visualization - crash in Graphic3d_Structure::SetVisual() on redisplaying...
[occt.git] / src / HLRBRep / HLRBRep_TheQuadCurvFuncOfTheQuadCurvExactInterCSurf.hxx
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42cf5bc1 1// Created on: 1992-10-14
2// Created by: Christophe MARION
3// Copyright (c) 1992-1999 Matra Datavision
4// Copyright (c) 1999-2014 OPEN CASCADE SAS
5//
6// This file is part of Open CASCADE Technology software library.
7//
8// This library is free software; you can redistribute it and/or modify it under
9// the terms of the GNU Lesser General Public License version 2.1 as published
10// by the Free Software Foundation, with special exception defined in the file
11// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12// distribution for complete text of the license and disclaimer of any warranty.
13//
14// Alternatively, this file may be used under the terms of Open CASCADE
15// commercial license or contractual agreement.
16
17#ifndef _HLRBRep_TheQuadCurvFuncOfTheQuadCurvExactInterCSurf_HeaderFile
18#define _HLRBRep_TheQuadCurvFuncOfTheQuadCurvExactInterCSurf_HeaderFile
19
20#include <Standard.hxx>
21#include <Standard_DefineAlloc.hxx>
22#include <Standard_Handle.hxx>
23
24#include <IntSurf_Quadric.hxx>
25#include <gp_Lin.hxx>
26#include <math_FunctionWithDerivative.hxx>
27#include <Standard_Boolean.hxx>
28#include <Standard_Real.hxx>
29class IntSurf_Quadric;
30class gp_Lin;
31class HLRBRep_LineTool;
32
33
34
35class HLRBRep_TheQuadCurvFuncOfTheQuadCurvExactInterCSurf : public math_FunctionWithDerivative
36{
37public:
38
39 DEFINE_STANDARD_ALLOC
40
41
36b9ff75 42 //! Create the function.
42cf5bc1 43 Standard_EXPORT HLRBRep_TheQuadCurvFuncOfTheQuadCurvExactInterCSurf(const IntSurf_Quadric& Q, const gp_Lin& C);
44
36b9ff75 45 //! Computes the value of the signed distance between
46 //! the implicit surface and the point at parameter
47 //! Param on the parametrised curve.
48 //! Value always returns True.
42cf5bc1 49 Standard_EXPORT Standard_Boolean Value (const Standard_Real Param, Standard_Real& F) Standard_OVERRIDE;
50
36b9ff75 51 //! Computes the derivative of the previous function at
52 //! parameter Param.
53 //! Derivative always returns True.
42cf5bc1 54 Standard_EXPORT Standard_Boolean Derivative (const Standard_Real Param, Standard_Real& D) Standard_OVERRIDE;
55
36b9ff75 56 //! Computes the value and the derivative of the function.
57 //! returns True.
42cf5bc1 58 Standard_EXPORT Standard_Boolean Values (const Standard_Real Param, Standard_Real& F, Standard_Real& D) Standard_OVERRIDE;
59
60
61
62
63protected:
64
65
66
67
68
69private:
70
71
72
73 IntSurf_Quadric myQuadric;
74 gp_Lin myCurve;
75
76
77};
78
79
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82
83
84
85#endif // _HLRBRep_TheQuadCurvFuncOfTheQuadCurvExactInterCSurf_HeaderFile