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1 | // Created on: 1993-12-06 |
2 | // Created by: Jacques GOUSSARD |
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 _BRepBlend_BlendTool_HeaderFile |
18 | #define _BRepBlend_BlendTool_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 | #include <Standard_Integer.hxx> |
27 | class gp_Pnt2d; |
28 | class Adaptor3d_HSurface; |
29 | class Adaptor2d_HCurve2d; |
30 | class Adaptor3d_HVertex; |
31 | |
32 | |
33 | |
34 | class BRepBlend_BlendTool |
35 | { |
36 | public: |
37 | |
38 | DEFINE_STANDARD_ALLOC |
39 | |
40 | |
41 | //! Projects the point P on the arc C. |
42 | //! If the methods returns Standard_True, the projection is |
43 | //! successful, and Paramproj is the parameter on the arc |
44 | //! of the projected point, Dist is the distance between |
45 | //! P and the curve.. |
46 | //! If the method returns Standard_False, Param proj and Dist |
47 | //! are not significant. |
48 | Standard_EXPORT static Standard_Boolean Project (const gp_Pnt2d& P, const Handle(Adaptor3d_HSurface)& S, const Handle(Adaptor2d_HCurve2d)& C, Standard_Real& Paramproj, Standard_Real& Dist); |
49 | |
50 | Standard_EXPORT static Standard_Boolean Inters (const gp_Pnt2d& P1, const gp_Pnt2d& P2, const Handle(Adaptor3d_HSurface)& S, const Handle(Adaptor2d_HCurve2d)& C, Standard_Real& Param, Standard_Real& Dist); |
51 | |
52 | //! Returns the parameter of the vertex V on the edge A. |
53 | static Standard_Real Parameter (const Handle(Adaptor3d_HVertex)& V, const Handle(Adaptor2d_HCurve2d)& A); |
54 | |
55 | //! Returns the parametric tolerance on the arc A |
56 | //! used to consider that the vertex and another point meet, |
57 | //! i-e if Abs(Parameter(Vertex)-Parameter(OtherPnt))<= |
58 | //! Tolerance, the points are "merged". |
59 | static Standard_Real Tolerance (const Handle(Adaptor3d_HVertex)& V, const Handle(Adaptor2d_HCurve2d)& A); |
60 | |
61 | static Standard_Boolean SingularOnUMin (const Handle(Adaptor3d_HSurface)& S); |
62 | |
63 | static Standard_Boolean SingularOnUMax (const Handle(Adaptor3d_HSurface)& S); |
64 | |
65 | static Standard_Boolean SingularOnVMin (const Handle(Adaptor3d_HSurface)& S); |
66 | |
67 | static Standard_Boolean SingularOnVMax (const Handle(Adaptor3d_HSurface)& S); |
68 | |
69 | Standard_EXPORT static Standard_Integer NbSamplesU (const Handle(Adaptor3d_HSurface)& S, const Standard_Real u1, const Standard_Real u2); |
70 | |
71 | Standard_EXPORT static Standard_Integer NbSamplesV (const Handle(Adaptor3d_HSurface)& S, const Standard_Real v1, const Standard_Real v2); |
72 | |
73 | //! Returns the parametric limits on the arc C. |
74 | //! These limits must be finite : they are either |
75 | //! the real limits of the arc, for a finite arc, |
76 | //! or a bounding box for an infinite arc. |
77 | Standard_EXPORT static void Bounds (const Handle(Adaptor2d_HCurve2d)& C, Standard_Real& Ufirst, Standard_Real& Ulast); |
78 | |
79 | static Handle(Adaptor2d_HCurve2d) CurveOnSurf (const Handle(Adaptor2d_HCurve2d)& C, const Handle(Adaptor3d_HSurface)& S); |
80 | |
81 | |
82 | |
83 | |
84 | protected: |
85 | |
86 | |
87 | |
88 | |
89 | |
90 | private: |
91 | |
92 | |
93 | |
94 | |
95 | |
96 | }; |
97 | |
98 | |
99 | #include <BRepBlend_BlendTool.lxx> |
100 | |
101 | |
102 | |
103 | |
104 | |
105 | #endif // _BRepBlend_BlendTool_HeaderFile |