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1 | // Created on: 1996-12-05 |
2 | // Created by: Flore Lantheaume/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_FixRelation_HeaderFile |
18 | #define _AIS_FixRelation_HeaderFile |
19 | |
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20 | #include <TopoDS_Wire.hxx> |
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21 | #include <AIS_Relation.hxx> |
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22 | |
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23 | class Geom_Plane; |
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24 | |
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25 | DEFINE_STANDARD_HANDLE(AIS_FixRelation, AIS_Relation) |
26 | |
27 | //! Constructs and manages a constraint by a fixed |
28 | //! relation between two or more interactive datums. This |
29 | //! constraint is represented by a wire from a shape - |
30 | //! point, vertex, or edge - in the first datum and a |
31 | //! corresponding shape in the second. |
32 | //! Warning: This relation is not bound with any kind of parametric |
33 | //! constraint : it represents the "status" of an parametric |
34 | //! object. |
35 | class AIS_FixRelation : public AIS_Relation |
36 | { |
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37 | DEFINE_STANDARD_RTTIEXT(AIS_FixRelation, AIS_Relation) |
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38 | public: |
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39 | |
40 | //! initializes the vertex aShape, the |
41 | //! plane aPlane and the wire aWire, which connects |
42 | //! the two vertices in a fixed relation. |
43 | Standard_EXPORT AIS_FixRelation(const TopoDS_Shape& aShape, const Handle(Geom_Plane)& aPlane, const TopoDS_Wire& aWire); |
44 | |
45 | //! initializes the vertex aShape, the |
46 | //! plane aPlane and the wire aWire, the position |
47 | //! aPosition, the arrow size anArrowSize and the |
48 | //! wire aWire, which connects the two vertices in a fixed relation. |
49 | Standard_EXPORT AIS_FixRelation(const TopoDS_Shape& aShape, const Handle(Geom_Plane)& aPlane, const TopoDS_Wire& aWire, const gp_Pnt& aPosition, const Standard_Real anArrowSize = 0.01); |
50 | |
51 | //! initializes the edge aShape and the plane aPlane. |
52 | Standard_EXPORT AIS_FixRelation(const TopoDS_Shape& aShape, const Handle(Geom_Plane)& aPlane); |
53 | |
54 | //! initializes the edge aShape, the |
55 | //! plane aPlane, the position aPosition and the arrow |
56 | //! size anArrowSize. |
57 | Standard_EXPORT AIS_FixRelation(const TopoDS_Shape& aShape, const Handle(Geom_Plane)& aPlane, const gp_Pnt& aPosition, const Standard_Real anArrowSize = 0.01); |
58 | |
59 | //! Returns the wire which connects vertices in a fixed relation. |
60 | Standard_EXPORT TopoDS_Wire Wire(); |
61 | |
62 | //! Constructs the wire aWire. This connects vertices |
63 | //! which are in a fixed relation. |
64 | Standard_EXPORT void SetWire (const TopoDS_Wire& aWire); |
65 | |
66 | //! Returns true if the Interactive Objects in the relation |
67 | //! are movable. |
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68 | virtual Standard_Boolean IsMovable() const Standard_OVERRIDE { return Standard_True; } |
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69 | |
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70 | private: |
71 | |
72 | |
73 | Standard_EXPORT void Compute (const Handle(PrsMgr_PresentationManager3d)& aPresentationManager, const Handle(Prs3d_Presentation)& aPresentation, const Standard_Integer aMode = 0) Standard_OVERRIDE; |
74 | |
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75 | Standard_EXPORT virtual void ComputeSelection (const Handle(SelectMgr_Selection)& aSelection, const Standard_Integer aMode) Standard_OVERRIDE; |
76 | |
77 | //! computes the presentation for <myFixShape> if it's a |
78 | //! vertex. |
79 | Standard_EXPORT void ComputeVertex (const TopoDS_Vertex& FixVertex, gp_Pnt& curpos); |
80 | |
81 | Standard_EXPORT gp_Pnt ComputePosition (const Handle(Geom_Curve)& curv1, const Handle(Geom_Curve)& curv2, const gp_Pnt& firstp1, const gp_Pnt& lastp1, const gp_Pnt& firstp2, const gp_Pnt& lastp2) const; |
82 | |
83 | Standard_EXPORT gp_Pnt ComputePosition (const Handle(Geom_Curve)& curv, const gp_Pnt& firstp, const gp_Pnt& lastp) const; |
84 | |
85 | //! computes the presentation for <myFixShape> if it's a |
86 | //! edge. |
87 | Standard_EXPORT void ComputeEdge (const TopoDS_Edge& FixEdge, gp_Pnt& curpos); |
88 | |
89 | Standard_EXPORT void ComputeLinePosition (const gp_Lin& glin, gp_Pnt& pos, Standard_Real& pfirst, Standard_Real& plast); |
90 | |
91 | Standard_EXPORT void ComputeCirclePosition (const gp_Circ& gcirc, gp_Pnt& pos, Standard_Real& pfirst, Standard_Real& plast); |
92 | |
93 | Standard_EXPORT static Standard_Boolean ConnectedEdges (const TopoDS_Wire& aWire, const TopoDS_Vertex& aVertex, TopoDS_Edge& Edge1, TopoDS_Edge& Edge2); |
94 | |
95 | TopoDS_Wire myWire; |
96 | gp_Pnt myPntAttach; |
97 | |
98 | |
99 | }; |
100 | |
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101 | #endif // _AIS_FixRelation_HeaderFile |