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1 | // Created on: 1995-03-06 |
| 2 | // Created by: Laurent PAINNOT |
| 3 | // Copyright (c) 1995-1999 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 _Poly_Triangle_HeaderFile |
| 18 | #define _Poly_Triangle_HeaderFile |
| 19 | |
| 20 | #include <Standard.hxx> |
| 21 | #include <Standard_DefineAlloc.hxx> |
| 22 | #include <Standard_Handle.hxx> |
| 23 | |
| 24 | #include <Standard_Integer.hxx> |
| 25 | class Standard_OutOfRange; |
| 26 | |
| 27 | |
| 28 | //! Describes a component triangle of a triangulation |
| 29 | //! (Poly_Triangulation object). |
| 30 | //! A Triangle is defined by a triplet of nodes. Each node is an |
| 31 | //! index in the table of nodes specific to an existing |
| 32 | //! triangulation of a shape, and represents a point on the surface. |
| 33 | class Poly_Triangle |
| 34 | { |
| 35 | public: |
| 36 | |
| 37 | DEFINE_STANDARD_ALLOC |
| 38 | |
| 39 | |
| 40 | //! Constructs a triangle and sets all indices to zero. |
| 41 | Standard_EXPORT Poly_Triangle(); |
| 42 | |
| 43 | //! Constructs a triangle and sets its three indices |
| 44 | //! to N1, N2 and N3 respectively, where these node values |
| 45 | //! are indices in the table of nodes specific to an existing |
| 46 | //! triangulation of a shape. |
| 47 | Standard_EXPORT Poly_Triangle(const Standard_Integer N1, const Standard_Integer N2, const Standard_Integer N3); |
| 48 | |
| 49 | //! Sets the value of the three nodes of this triangle to N1, N2 and N3 respectively. |
| 50 | Standard_EXPORT void Set (const Standard_Integer N1, const Standard_Integer N2, const Standard_Integer N3); |
| 51 | |
| 52 | //! Sets the value of the Indexth node of this triangle to Node. |
| 53 | //! Raises OutOfRange if Index is not in 1,2,3 |
| 54 | void Set (const Standard_Integer Index, const Standard_Integer Node); |
| 55 | |
| 56 | //! Returns the node indices of this triangle in N1, N2 and N3. |
| 57 | Standard_EXPORT void Get (Standard_Integer& N1, Standard_Integer& N2, Standard_Integer& N3) const; |
| 58 | |
| 59 | //! Get the node of given Index. |
| 60 | //! Raises OutOfRange from Standard if Index is not in 1,2,3 |
| 61 | Standard_Integer Value (const Standard_Integer Index) const; |
| 62 | Standard_Integer operator() (const Standard_Integer Index) const |
| 63 | { |
| 64 | return Value(Index); |
| 65 | } |
| 66 | |
| 67 | //! Get the node of given Index. |
| 68 | //! Raises OutOfRange if Index is not in 1,2,3 |
| 69 | Standard_Integer& ChangeValue (const Standard_Integer Index); |
| 70 | Standard_Integer& operator() (const Standard_Integer Index) |
| 71 | { |
| 72 | return ChangeValue(Index); |
| 73 | } |
| 74 | |
| 75 | |
| 76 | |
| 77 | |
| 78 | protected: |
| 79 | |
| 80 | |
| 81 | |
| 82 | |
| 83 | |
| 84 | private: |
| 85 | |
| 86 | |
| 87 | |
| 88 | Standard_Integer myNodes[3]; |
| 89 | |
| 90 | |
| 91 | }; |
| 92 | |
| 93 | |
| 94 | #include <Poly_Triangle.lxx> |
| 95 | |
| 96 | |
| 97 | |
| 98 | |
| 99 | |
| 100 | #endif // _Poly_Triangle_HeaderFile |
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