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1 | // Created on: 2016-04-19 |
2 | // Copyright (c) 2016 OPEN CASCADE SAS |
3 | // Created by: Oleg AGASHIN |
4 | // |
5 | // This file is part of Open CASCADE Technology software library. |
6 | // |
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 |
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. |
12 | // |
13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
15 | |
16 | #ifndef _BRepMesh_EdgeDiscret_HeaderFile |
17 | #define _BRepMesh_EdgeDiscret_HeaderFile |
18 | |
19 | #include <IMeshTools_ModelAlgo.hxx> |
20 | #include <IMeshTools_Parameters.hxx> |
21 | #include <IMeshData_Types.hxx> |
22 | |
23 | class IMeshTools_CurveTessellator; |
24 | |
25 | //! Class implements functionality of edge discret tool. |
26 | //! Performs check of the edges for existing Poly_PolygonOnTriangulation. |
27 | //! In case if it fits specified deflection, restores data structure using |
28 | //! it, else clears edges from outdated data. |
29 | class BRepMesh_EdgeDiscret : public IMeshTools_ModelAlgo |
30 | { |
31 | public: |
32 | //! Constructor. |
33 | Standard_EXPORT BRepMesh_EdgeDiscret (); |
34 | |
35 | //! Destructor. |
36 | Standard_EXPORT virtual ~BRepMesh_EdgeDiscret (); |
37 | |
38 | //! Creates instance of free edge tessellator. |
39 | Standard_EXPORT static Handle(IMeshTools_CurveTessellator) CreateEdgeTessellator( |
40 | const IMeshData::IEdgeHandle& theDEdge, |
41 | const IMeshTools_Parameters& theParameters); |
42 | |
43 | //! Creates instance of edge tessellator. |
44 | Standard_EXPORT static Handle(IMeshTools_CurveTessellator) CreateEdgeTessellator( |
45 | const IMeshData::IEdgeHandle& theDEdge, |
46 | const TopAbs_Orientation theOrientation, |
47 | const IMeshData::IFaceHandle& theDFace, |
48 | const IMeshTools_Parameters& theParameters); |
49 | |
50 | //! Creates instance of tessellation extractor. |
51 | Standard_EXPORT static Handle(IMeshTools_CurveTessellator) CreateEdgeTessellationExtractor( |
52 | const IMeshData::IEdgeHandle& theDEdge, |
53 | const IMeshData::IFaceHandle& theDFace); |
54 | |
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55 | //! Functor API to discretize the given edge. |
56 | inline void operator() (const Standard_Integer theEdgeIndex) const { |
57 | process (theEdgeIndex); |
58 | } |
59 | |
60 | //! Updates 3d discrete edge model using the given tessellation tool. |
61 | Standard_EXPORT static void Tessellate3d( |
62 | const IMeshData::IEdgeHandle& theDEdge, |
63 | const Handle(IMeshTools_CurveTessellator)& theTessellator, |
64 | const Standard_Boolean theUpdateEnds); |
65 | |
66 | //! Updates 2d discrete edge model using tessellation of 3D curve. |
67 | Standard_EXPORT static void Tessellate2d( |
68 | const IMeshData::IEdgeHandle& theDEdge, |
69 | const Standard_Boolean theUpdateEnds); |
70 | |
71 | DEFINE_STANDARD_RTTI_INLINE(BRepMesh_EdgeDiscret, IMeshTools_ModelAlgo) |
72 | |
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73 | protected: |
74 | |
75 | //! Performs processing of edges of the given model. |
76 | Standard_EXPORT virtual Standard_Boolean performInternal ( |
77 | const Handle (IMeshData_Model)& theModel, |
78 | const IMeshTools_Parameters& theParameters) Standard_OVERRIDE; |
79 | |
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80 | private: |
81 | |
82 | //! Checks existing discretization of the edge and updates data model. |
83 | void process (const Standard_Integer theEdgeIndex) const; |
84 | |
85 | //! Checks existing polygon on triangulation does it fit edge deflection or not. |
86 | //! @return deflection of polygon or RealLast () in case if edge has no polygon |
87 | //! or it was dropped. |
88 | Standard_Real checkExistingPolygonAndUpdateStatus( |
89 | const IMeshData::IEdgeHandle& theDEdge, |
90 | const IMeshData::IPCurveHandle& thePCurve) const; |
91 | |
92 | private: |
93 | |
94 | Handle (IMeshData_Model) myModel; |
95 | IMeshTools_Parameters myParameters; |
96 | }; |
97 | |
98 | #endif |