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1 | // Created on: 2005-12-20 |
2 | // Created by: Sergey KHROMOV |
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3 | // Copyright (c) 2005-2014 OPEN CASCADE SAS |
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4 | // |
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5 | // This file is part of Open CASCADE Technology software library. |
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6 | // |
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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 |
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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. |
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12 | // |
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13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
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15 | |
16 | #include <BRep_Tool.hxx> |
17 | |
18 | //======================================================================= |
19 | //function : BRepGProp_Face |
20 | //purpose : Constructor. Initializes the object with IsUseSpan. |
21 | //======================================================================= |
22 | |
23 | inline BRepGProp_Face::BRepGProp_Face(const Standard_Boolean IsUseSpan) |
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24 | : mySReverse (Standard_False), |
25 | myIsUseSpan(IsUseSpan) |
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26 | { |
27 | } |
28 | |
29 | //======================================================================= |
30 | //function : BRepGProp_Face |
31 | //purpose : Constructor.Initializes the object with the face and |
32 | // IsUseSpan flan. |
33 | //======================================================================= |
34 | |
35 | inline BRepGProp_Face::BRepGProp_Face(const TopoDS_Face &F, |
36 | const Standard_Boolean IsUseSpan) |
37 | : myIsUseSpan(IsUseSpan) |
38 | { |
39 | Load(F); |
40 | } |
41 | |
42 | //======================================================================= |
43 | //function : NaturalRestriction |
44 | //purpose : Returns Standard_True if the face is not trimmed. |
45 | //======================================================================= |
46 | |
47 | inline Standard_Boolean BRepGProp_Face::NaturalRestriction() const |
48 | { |
49 | return BRep_Tool::NaturalRestriction(mySurface.Face()); |
50 | } |
51 | |
52 | //======================================================================= |
53 | //function : Value2d |
54 | //purpose : Returns the value of the boundary curve of the face. |
55 | //======================================================================= |
56 | |
57 | inline gp_Pnt2d BRepGProp_Face::Value2d(const Standard_Real U) const |
58 | { |
59 | return myCurve.Value(U); |
60 | } |
61 | |
62 | //======================================================================= |
63 | //function : D12d |
64 | //purpose : Returns the point of parameter U and the first derivative |
65 | // at this point of a boundary curve. |
66 | //======================================================================= |
67 | |
68 | inline void BRepGProp_Face::D12d(const Standard_Real U, |
69 | gp_Pnt2d &P, |
70 | gp_Vec2d &V1) const |
71 | { |
72 | myCurve.D1(U,P,V1); |
73 | } |
74 | |
75 | //======================================================================= |
76 | //function : FirstParameter |
77 | //purpose : Returns the parametric value of the start point of |
78 | // the current arc of curve. |
79 | //======================================================================= |
80 | |
81 | inline Standard_Real BRepGProp_Face::FirstParameter() const |
82 | { |
83 | return myCurve.FirstParameter(); |
84 | } |
85 | |
86 | //======================================================================= |
87 | //function : LastParameter |
88 | //purpose : Returns the parametric value of the end point of |
89 | // the current arc of curve. |
90 | //======================================================================= |
91 | |
92 | inline Standard_Real BRepGProp_Face::LastParameter() const |
93 | { |
94 | return myCurve.LastParameter(); |
95 | } |