0022048: Visualization, AIS_InteractiveContext - single object selection should alway...
[occt.git] / src / ApproxInt / ApproxInt_SvSurfaces.hxx
1 // Created on: 1993-03-17
2 // Created by: Laurent BUCHARD
3 // Copyright (c) 1993-1999 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 _ApproxInt_SvSurfaces_HeaderFile
18 #define _ApproxInt_SvSurfaces_HeaderFile
19
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
23
24 #include <Standard_Boolean.hxx>
25 #include <Standard_Real.hxx>
26 class gp_Pnt;
27 class gp_Vec;
28 class gp_Vec2d;
29 class IntSurf_PntOn2S;
30
31
32 class ApproxInt_SvSurfaces 
33 {
34 public:
35
36   DEFINE_STANDARD_ALLOC
37
38   
39   //! returns True if Tg,Tguv1 Tguv2 can be computed.
40   Standard_EXPORT virtual Standard_Boolean Compute (Standard_Real& u1, Standard_Real& v1,
41                                                     Standard_Real& u2, Standard_Real& v2,
42                                                     gp_Pnt& Pt,
43                                                     gp_Vec& Tg,
44                                                     gp_Vec2d& Tguv1,
45                                                     gp_Vec2d& Tguv2) = 0;
46   
47   Standard_EXPORT virtual void Pnt (const Standard_Real u1, const Standard_Real v1,
48                                     const Standard_Real u2, const Standard_Real v2,
49                                     gp_Pnt& P) = 0;
50
51   //! computes point on curve and parameters on the surfaces
52   Standard_EXPORT virtual Standard_Boolean SeekPoint(const Standard_Real u1, const Standard_Real v1,
53                                                      const Standard_Real u2, const Standard_Real v2,
54                                                      IntSurf_PntOn2S& Point) = 0;
55   
56   Standard_EXPORT virtual Standard_Boolean Tangency (const Standard_Real u1, const Standard_Real v1,
57                                                      const Standard_Real u2, const Standard_Real v2,
58                                                      gp_Vec& Tg) = 0;
59   
60   Standard_EXPORT virtual Standard_Boolean TangencyOnSurf1 (const Standard_Real u1,
61                                                             const Standard_Real v1,
62                                                             const Standard_Real u2,
63                                                             const Standard_Real v2,
64                                                             gp_Vec2d& Tg) = 0;
65   
66   Standard_EXPORT virtual Standard_Boolean TangencyOnSurf2 (const Standard_Real u1,
67                                                             const Standard_Real v1,
68                                                             const Standard_Real u2,
69                                                             const Standard_Real v2,
70                                                             gp_Vec2d& Tg) = 0;
71   Standard_EXPORT virtual ~ApproxInt_SvSurfaces();
72
73
74
75
76 protected:
77
78
79
80
81
82 private:
83
84
85
86
87
88 };
89
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94
95
96 #endif // _ApproxInt_SvSurfaces_HeaderFile