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1 | // Created on: 1996-12-05 |
2 | // Created by: Jean-Pierre COMBE/Odile Olivier |
3 | // Copyright (c) 1996-1999 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 _AIS_TangentRelation_HeaderFile |
18 | #define _AIS_TangentRelation_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_Type.hxx> |
22 | |
23 | #include <gp_Pnt.hxx> |
24 | #include <gp_Dir.hxx> |
25 | #include <Standard_Real.hxx> |
26 | #include <Standard_Integer.hxx> |
27 | #include <AIS_Relation.hxx> |
28 | #include <PrsMgr_PresentationManager3d.hxx> |
29 | #include <SelectMgr_Selection.hxx> |
30 | class TopoDS_Shape; |
31 | class Geom_Plane; |
32 | class Prs3d_Presentation; |
33 | class Prs3d_Projector; |
34 | class Geom_Transformation; |
35 | |
36 | |
37 | class AIS_TangentRelation; |
38 | DEFINE_STANDARD_HANDLE(AIS_TangentRelation, AIS_Relation) |
39 | |
40 | //! A framework to display tangency constraints between |
41 | //! two or more Interactive Objects of the datum type. |
42 | //! The datums are normally faces or edges. |
43 | class AIS_TangentRelation : public AIS_Relation |
44 | { |
45 | |
46 | public: |
47 | |
48 | |
49 | //! TwoFacesTangent or TwoEdgesTangent relation |
50 | //! Constructs an object to display tangency constraints. |
51 | //! This object is defined by the first shape aFShape, the |
52 | //! second shape aSShape, the plane aPlane and the index anExternRef. |
53 | //! aPlane serves as an optional axis. |
54 | //! anExternRef set to 0 indicates that there is no relation. |
55 | Standard_EXPORT AIS_TangentRelation(const TopoDS_Shape& aFShape, const TopoDS_Shape& aSShape, const Handle(Geom_Plane)& aPlane, const Standard_Integer anExternRef = 0); |
56 | |
57 | //! Returns the external reference for tangency. |
58 | //! The values are as follows: |
59 | //! - 0 - there is no connection; |
60 | //! - 1 - there is a connection to the first shape; |
61 | //! - 2 - there is a connection to the second shape. |
62 | //! This reference is defined at construction time. |
63 | Standard_EXPORT Standard_Integer ExternRef(); |
64 | |
65 | //! Sets the external reference for tangency, aRef. |
66 | //! The values are as follows: |
67 | //! - 0 - there is no connection; |
68 | //! - 1 - there is a connection to the first shape; |
69 | //! - 2 - there is a connection to the second shape. |
70 | //! This reference is initially defined at construction time. |
71 | Standard_EXPORT void SetExternRef (const Standard_Integer aRef); |
72 | |
73 | //! computes the presentation according to a point of view |
74 | //! given by <aProjector>. |
75 | //! To be Used when the associated degenerated Presentations |
76 | //! have been transformed by <aTrsf> which is not a Pure |
77 | //! Translation. The HLR Prs can't be deducted automatically |
78 | //! WARNING :<aTrsf> must be applied |
79 | //! to the object to display before computation !!! |
80 | Standard_EXPORT virtual void Compute (const Handle(Prs3d_Projector)& aProjector, const Handle(Geom_Transformation)& aTrsf, const Handle(Prs3d_Presentation)& aPresentation) Standard_OVERRIDE; |
81 | |
82 | |
83 | |
84 | |
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85 | DEFINE_STANDARD_RTTIEXT(AIS_TangentRelation,AIS_Relation) |
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86 | |
87 | protected: |
88 | |
89 | |
90 | |
91 | |
92 | private: |
93 | |
94 | |
95 | Standard_EXPORT void Compute (const Handle(PrsMgr_PresentationManager3d)& aPresentationManager, const Handle(Prs3d_Presentation)& aPresentation, const Standard_Integer aMode = 0) Standard_OVERRIDE; |
96 | |
97 | Standard_EXPORT void Compute (const Handle(Prs3d_Projector)& aProjector, const Handle(Prs3d_Presentation)& aPresentation) Standard_OVERRIDE; |
98 | |
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99 | Standard_EXPORT void ComputeSelection (const Handle(SelectMgr_Selection)& aSelection, const Standard_Integer aMode) Standard_OVERRIDE; |
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100 | |
101 | Standard_EXPORT void ComputeTwoFacesTangent (const Handle(Prs3d_Presentation)& aPresentation); |
102 | |
103 | Standard_EXPORT void ComputeTwoEdgesTangent (const Handle(Prs3d_Presentation)& aPresentation); |
104 | |
105 | gp_Pnt myAttach; |
106 | gp_Dir myDir; |
107 | Standard_Real myLength; |
108 | Standard_Integer myExternRef; |
109 | |
110 | |
111 | }; |
112 | |
113 | |
114 | |
115 | |
116 | |
117 | |
118 | |
119 | #endif // _AIS_TangentRelation_HeaderFile |