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1 | // Created on: 1992-05-27 |
| 2 | // Created by: Remi LEQUETTE |
| 3 | // Copyright (c) 1992-1999 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 _BRep_TFace_HeaderFile |
| 18 | #define _BRep_TFace_HeaderFile |
| 19 | |
| 20 | #include <Standard.hxx> |
| 21 | #include <Standard_Type.hxx> |
| 22 | |
| 23 | #include <TopLoc_Location.hxx> |
| 24 | #include <Standard_Real.hxx> |
| 25 | #include <Standard_Boolean.hxx> |
| 26 | #include <TopoDS_TFace.hxx> |
| 27 | class Geom_Surface; |
| 28 | class Poly_Triangulation; |
| 29 | class TopLoc_Location; |
| 30 | class TopoDS_TShape; |
| 31 | |
| 32 | |
| 33 | class BRep_TFace; |
| 34 | DEFINE_STANDARD_HANDLE(BRep_TFace, TopoDS_TFace) |
| 35 | |
| 36 | //! The Tface from BRep is based on the TFace from |
| 37 | //! TopoDS. The TFace contains : |
| 38 | //! |
| 39 | //! * A suface, a tolerance and a Location. |
| 40 | //! |
| 41 | //! * A NaturalRestriction flag, when this flag is |
| 42 | //! True the boundary of the face is known to be the |
| 43 | //! parametric space (Umin, UMax, VMin, VMax). |
| 44 | //! |
| 45 | //! * An optional Triangulation. If there is a |
| 46 | //! triangulation the surface can be absent. |
| 47 | //! |
| 48 | //! The Location is used for the Surface. |
| 49 | //! |
| 50 | //! The triangulation is in the same reference system |
| 51 | //! than the TFace. A point on mySurface must be |
| 52 | //! transformed with myLocation, but not a point on |
| 53 | //! the triangulation. |
| 54 | //! |
| 55 | //! The Surface may be shared by different TFaces but |
| 56 | //! not the Triangulation, because the Triangulation |
| 57 | //! may be modified by the edges. |
| 58 | class BRep_TFace : public TopoDS_TFace |
| 59 | { |
| 60 | |
| 61 | public: |
| 62 | |
| 63 | |
| 64 | //! Creates an empty TFace. |
| 65 | Standard_EXPORT BRep_TFace(); |
| 66 | |
| 67 | const Handle(Geom_Surface)& Surface() const; |
| 68 | |
| 69 | const Handle(Poly_Triangulation)& Triangulation() const; |
| 70 | |
| 71 | const TopLoc_Location& Location() const; |
| 72 | |
| 73 | Standard_Real Tolerance() const; |
| 74 | |
| 75 | void Surface (const Handle(Geom_Surface)& S); |
| 76 | |
| 77 | void Triangulation (const Handle(Poly_Triangulation)& T); |
| 78 | |
| 79 | void Location (const TopLoc_Location& L); |
| 80 | |
| 81 | void Tolerance (const Standard_Real T); |
| 82 | |
| 83 | Standard_Boolean NaturalRestriction() const; |
| 84 | |
| 85 | void NaturalRestriction (const Standard_Boolean N); |
| 86 | |
| 87 | //! Returns a copy of the TShape with no sub-shapes. |
| 88 | //! The new Face has no triangulation. |
| 89 | Standard_EXPORT virtual Handle(TopoDS_TShape) EmptyCopy() const Standard_OVERRIDE; |
| 90 | |
| 91 | |
| 92 | |
| 93 | |
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94 | DEFINE_STANDARD_RTTIEXT(BRep_TFace,TopoDS_TFace) |
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95 | |
| 96 | protected: |
| 97 | |
| 98 | |
| 99 | |
| 100 | |
| 101 | private: |
| 102 | |
| 103 | |
| 104 | Handle(Geom_Surface) mySurface; |
| 105 | Handle(Poly_Triangulation) myTriangulation; |
| 106 | TopLoc_Location myLocation; |
| 107 | Standard_Real myTolerance; |
| 108 | Standard_Boolean myNaturalRestriction; |
| 109 | |
| 110 | |
| 111 | }; |
| 112 | |
| 113 | |
| 114 | #include <BRep_TFace.lxx> |
| 115 | |
| 116 | |
| 117 | |
| 118 | |
| 119 | |
| 120 | #endif // _BRep_TFace_HeaderFile |
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