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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 | } |
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51 | // |
| 52 | //======================================================================= |
| 53 | //function : GetFace |
| 54 | //purpose : Returns TopoDS Face. |
| 55 | //======================================================================= |
| 56 | |
| 57 | inline const TopoDS_Face& BRepGProp_Face::GetFace() const |
| 58 | { |
| 59 | return mySurface.Face(); |
| 60 | } |
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61 | |
| 62 | //======================================================================= |
| 63 | //function : Value2d |
| 64 | //purpose : Returns the value of the boundary curve of the face. |
| 65 | //======================================================================= |
| 66 | |
| 67 | inline gp_Pnt2d BRepGProp_Face::Value2d(const Standard_Real U) const |
| 68 | { |
| 69 | return myCurve.Value(U); |
| 70 | } |
| 71 | |
| 72 | //======================================================================= |
| 73 | //function : D12d |
| 74 | //purpose : Returns the point of parameter U and the first derivative |
| 75 | // at this point of a boundary curve. |
| 76 | //======================================================================= |
| 77 | |
| 78 | inline void BRepGProp_Face::D12d(const Standard_Real U, |
| 79 | gp_Pnt2d &P, |
| 80 | gp_Vec2d &V1) const |
| 81 | { |
| 82 | myCurve.D1(U,P,V1); |
| 83 | } |
| 84 | |
| 85 | //======================================================================= |
| 86 | //function : FirstParameter |
| 87 | //purpose : Returns the parametric value of the start point of |
| 88 | // the current arc of curve. |
| 89 | //======================================================================= |
| 90 | |
| 91 | inline Standard_Real BRepGProp_Face::FirstParameter() const |
| 92 | { |
| 93 | return myCurve.FirstParameter(); |
| 94 | } |
| 95 | |
| 96 | //======================================================================= |
| 97 | //function : LastParameter |
| 98 | //purpose : Returns the parametric value of the end point of |
| 99 | // the current arc of curve. |
| 100 | //======================================================================= |
| 101 | |
| 102 | inline Standard_Real BRepGProp_Face::LastParameter() const |
| 103 | { |
| 104 | return myCurve.LastParameter(); |
| 105 | } |
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