0031668: Visualization - WebGL sample doesn't work on Emscripten 1.39
[occt.git] / src / LProp3d / LProp3d_SurfaceTool.hxx
CommitLineData
42cf5bc1 1// Created on: 2002-08-02
2// Created by: Alexander KARTOMIN (akm)
3// Copyright (c) 2002-2014 OPEN CASCADE SAS
4//
5// This file is part of Open CASCADE Technology software library.
6//
7// This library is free software; you can redistribute it and/or modify it under
8// the terms of the GNU Lesser General Public License version 2.1 as published
9// by the Free Software Foundation, with special exception defined in the file
10// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11// distribution for complete text of the license and disclaimer of any warranty.
12//
13// Alternatively, this file may be used under the terms of Open CASCADE
14// commercial license or contractual agreement.
15
16#ifndef _LProp3d_SurfaceTool_HeaderFile
17#define _LProp3d_SurfaceTool_HeaderFile
18
19#include <Standard.hxx>
20#include <Standard_DefineAlloc.hxx>
21#include <Standard_Handle.hxx>
22
23#include <Standard_Real.hxx>
24#include <Standard_Integer.hxx>
25class Adaptor3d_HSurface;
26class gp_Pnt;
27class gp_Vec;
28
29
30
31class LProp3d_SurfaceTool
32{
33public:
34
35 DEFINE_STANDARD_ALLOC
36
37
38 //! Computes the point <P> of parameter <U> and <V> on the
39 //! HSurface <S>.
40 Standard_EXPORT static void Value (const Handle(Adaptor3d_HSurface)& S, const Standard_Real U, const Standard_Real V, gp_Pnt& P);
41
42 //! Computes the point <P> and first derivative <D1*> of
43 //! parameter <U> and <V> on the HSurface <S>.
44 Standard_EXPORT static void D1 (const Handle(Adaptor3d_HSurface)& S, const Standard_Real U, const Standard_Real V, gp_Pnt& P, gp_Vec& D1U, gp_Vec& D1V);
45
46 //! Computes the point <P>, the first derivative <D1*> and second
47 //! derivative <D2*> of parameter <U> and <V> on the HSurface <S>.
48 Standard_EXPORT static void D2 (const Handle(Adaptor3d_HSurface)& S, const Standard_Real U, const Standard_Real V, gp_Pnt& P, gp_Vec& D1U, gp_Vec& D1V, gp_Vec& D2U, gp_Vec& D2V, gp_Vec& DUV);
49
50 Standard_EXPORT static gp_Vec DN (const Handle(Adaptor3d_HSurface)& S, const Standard_Real U, const Standard_Real V, const Standard_Integer IU, const Standard_Integer IV);
51
52 //! returns the order of continuity of the HSurface <S>.
53 //! returns 1 : first derivative only is computable
54 //! returns 2 : first and second derivative only are computable.
55 Standard_EXPORT static Standard_Integer Continuity (const Handle(Adaptor3d_HSurface)& S);
56
57 //! returns the bounds of the HSurface.
58 Standard_EXPORT static void Bounds (const Handle(Adaptor3d_HSurface)& S, Standard_Real& U1, Standard_Real& V1, Standard_Real& U2, Standard_Real& V2);
59
60
61
62
63protected:
64
65
66
67
68
69private:
70
71
72
73
74
75};
76
77
78
79
80
81
82
83#endif // _LProp3d_SurfaceTool_HeaderFile