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1 | // Created on: 1996-10-17 |
2 | // Created by: 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 _Select3D_SensitiveWire_HeaderFile |
18 | #define _Select3D_SensitiveWire_HeaderFile |
19 | |
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20 | #include <Select3D_SensitiveSet.hxx> |
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21 | |
22 | //! A framework to define selection of a wire owner by an |
23 | //! elastic wire band. |
24 | class Select3D_SensitiveWire : public Select3D_SensitiveSet |
25 | { |
26 | public: |
27 | |
28 | //! Constructs a sensitive wire object defined by the |
29 | //! owner theOwnerId |
30 | Standard_EXPORT Select3D_SensitiveWire (const Handle(SelectBasics_EntityOwner)& theOwnerId); |
31 | |
32 | //! Adds the sensitive entity theSensitive to this framework. |
33 | Standard_EXPORT void Add (const Handle(Select3D_SensitiveEntity)& theSensitive); |
34 | |
35 | //! Returns the amount of sub-entities |
36 | Standard_EXPORT virtual Standard_Integer NbSubElements() Standard_OVERRIDE; |
37 | |
38 | Standard_EXPORT virtual Handle(Select3D_SensitiveEntity) GetConnected() Standard_OVERRIDE; |
39 | |
40 | //! returns the sensitive edges stored in this wire |
41 | Standard_EXPORT const NCollection_Vector<Handle(Select3D_SensitiveEntity)>& GetEdges(); |
42 | |
43 | //! Sets the owner for all entities in wire |
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44 | Standard_EXPORT void Set (const Handle(SelectBasics_EntityOwner)& theOwnerId) Standard_OVERRIDE; |
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45 | |
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46 | Standard_EXPORT Handle(Select3D_SensitiveEntity) GetLastDetected() const; |
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47 | |
48 | //! Returns bounding box of the wire. If location |
49 | //! transformation is set, it will be applied |
50 | Standard_EXPORT virtual Select3D_BndBox3d BoundingBox() Standard_OVERRIDE; |
51 | |
52 | //! Returns center of the wire. If location transformation |
53 | //! is set, it will be applied |
54 | Standard_EXPORT virtual gp_Pnt CenterOfGeometry() const Standard_OVERRIDE; |
55 | |
56 | //! Returns the length of vector of sensitive entities |
57 | Standard_EXPORT virtual Standard_Integer Size() const Standard_OVERRIDE; |
58 | |
59 | //! Returns bounding box of sensitive entity with index theIdx |
60 | Standard_EXPORT virtual Select3D_BndBox3d Box (const Standard_Integer theIdx) const Standard_OVERRIDE; |
61 | |
62 | //! Returns geometry center of sensitive entity index theIdx in |
63 | //! the vector along the given axis theAxis |
64 | Standard_EXPORT virtual Standard_Real Center (const Standard_Integer theIdx, |
65 | const Standard_Integer theAxis) const Standard_OVERRIDE; |
66 | |
67 | //! Swaps items with indexes theIdx1 and theIdx2 in the vector |
68 | Standard_EXPORT virtual void Swap (const Standard_Integer theIdx1, |
69 | const Standard_Integer theIdx2) Standard_OVERRIDE; |
70 | |
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71 | DEFINE_STANDARD_RTTIEXT(Select3D_SensitiveWire,Select3D_SensitiveSet) |
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72 | |
73 | protected: |
74 | |
75 | //! Checks whether the entity with index theIdx overlaps the current selecting volume |
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76 | Standard_EXPORT virtual Standard_Boolean overlapsElement (SelectBasics_PickResult& thePickResult, |
77 | SelectBasics_SelectingVolumeManager& theMgr, |
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78 | Standard_Integer theElemIdx, |
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79 | Standard_Boolean theIsFullInside) Standard_OVERRIDE; |
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80 | |
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81 | //! Checks whether the entity with index theIdx is inside the current selecting volume |
82 | Standard_EXPORT virtual Standard_Boolean elementIsInside (SelectBasics_SelectingVolumeManager& theMgr, |
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83 | Standard_Integer theElemIdx, |
84 | Standard_Boolean theIsFullInside) Standard_OVERRIDE; |
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85 | |
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86 | //! Calculates distance from the 3d projection of used-picked screen point to center of the geometry |
87 | Standard_EXPORT virtual Standard_Real distanceToCOG (SelectBasics_SelectingVolumeManager& theMgr) Standard_OVERRIDE; |
88 | |
89 | private: |
90 | |
91 | NCollection_Vector<Handle(Select3D_SensitiveEntity)> myEntities; //!< Vector of sub-entities |
92 | NCollection_Vector<Standard_Integer> myEntityIndexes; //!< Indexes of entities for BVH build |
93 | gp_Pnt myCenter; //!< Center of the whole wire |
94 | mutable Select3D_BndBox3d myBndBox; //!< Bounding box of the whole wire |
95 | }; |
96 | |
97 | DEFINE_STANDARD_HANDLE(Select3D_SensitiveWire, Select3D_SensitiveEntity) |
98 | |
99 | #endif // _Select3D_SensitiveWire_HeaderFile |