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1 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
2 | // |
3 | // This file is part of Open CASCADE Technology software library. |
4 | // |
5 | // This library is free software; you can redistribute it and/or modify it under |
6 | // the terms of the GNU Lesser General Public License version 2.1 as published |
7 | // by the Free Software Foundation, with special exception defined in the file |
8 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
9 | // distribution for complete text of the license and disclaimer of any warranty. |
10 | // |
11 | // Alternatively, this file may be used under the terms of Open CASCADE |
12 | // commercial license or contractual agreement. |
13 | |
14 | #ifndef _Select3D_SensitivePoly_HeaderFile |
15 | #define _Select3D_SensitivePoly_HeaderFile |
16 | |
17 | #include <NCollection_Handle.hxx> |
18 | |
19 | #include <Standard.hxx> |
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20 | #include <Standard_Type.hxx> |
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21 | #include <Standard_Type.hxx> |
22 | |
23 | #include <TColStd_HArray1OfInteger.hxx> |
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24 | #include <TColgp_HArray1OfPnt.hxx> |
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25 | |
26 | #include <Select3D_PointData.hxx> |
27 | #include <Select3D_Pnt.hxx> |
28 | #include <Select3D_SensitiveSet.hxx> |
29 | #include <Select3D_TypeOfSensitivity.hxx> |
30 | |
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31 | |
32 | class Standard_ConstructionError; |
33 | class Standard_OutOfRange; |
34 | class SelectBasics_EntityOwner; |
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35 | |
36 | //! Sensitive Entity to make a face selectable. |
37 | //! In some cases this class can raise Standard_ConstructionError and |
38 | //! Standard_OutOfRange exceptions from its member Select3D_PointData |
39 | //! myPolyg. |
40 | class Select3D_SensitivePoly : public Select3D_SensitiveSet |
41 | { |
42 | public: |
43 | |
44 | //! Constructs a sensitive face object defined by the |
45 | //! owner OwnerId, the array of points ThePoints, and |
46 | //! the sensitivity type Sensitivity. |
47 | //! The array of points is the outer polygon of the geometric face. |
48 | Standard_EXPORT Select3D_SensitivePoly (const Handle(SelectBasics_EntityOwner)& theOwnerId, |
49 | const TColgp_Array1OfPnt& thePoints, |
50 | const Standard_Boolean theIsBVHEnabled); |
51 | |
52 | //! Constructs a sensitive face object defined by the |
53 | //! owner OwnerId, the array of points ThePoints, and |
54 | //! the sensitivity type Sensitivity. |
55 | //! The array of points is the outer polygon of the geometric face. |
56 | Standard_EXPORT Select3D_SensitivePoly (const Handle(SelectBasics_EntityOwner)& theOwnerId, |
57 | const Handle(TColgp_HArray1OfPnt)& thePoints, |
58 | const Standard_Boolean theIsBVHEnabled); |
59 | |
60 | //! Constructs the sensitive circle object defined by the |
61 | //! owner OwnerId, the circle Circle, the Boolean |
62 | //! FilledCircle and the number of points NbOfPoints. |
63 | Standard_EXPORT Select3D_SensitivePoly (const Handle(SelectBasics_EntityOwner)& theOwnerId, |
64 | const Standard_Boolean theIsBVHEnabled, |
65 | const Standard_Integer theNbPnts = 6); |
66 | |
67 | //! Returns the amount of segments in poly |
68 | Standard_EXPORT virtual Standard_Integer NbSubElements() Standard_OVERRIDE; |
69 | |
70 | //! Returns the 3D points of the array used at construction time. |
71 | Standard_EXPORT void Points3D (Handle(TColgp_HArray1OfPnt)& theHArrayOfPnt); |
72 | |
73 | //! Returns bounding box of a polygon. If location |
74 | //! transformation is set, it will be applied |
75 | Standard_EXPORT virtual Select3D_BndBox3d BoundingBox() Standard_OVERRIDE; |
76 | |
77 | //! Returns center of the point set. If location transformation |
78 | //! is set, it will be applied |
79 | Standard_EXPORT virtual gp_Pnt CenterOfGeometry() const Standard_OVERRIDE; |
80 | |
81 | //! Returns the amount of segments of the poly |
82 | Standard_EXPORT virtual Standard_Integer Size() const Standard_OVERRIDE; |
83 | |
84 | //! Returns bounding box of segment with index theIdx |
85 | Standard_EXPORT virtual Select3D_BndBox3d Box (const Standard_Integer theIdx) const Standard_OVERRIDE; |
86 | |
87 | //! Returns geometry center of sensitive entity index theIdx in the vector along |
88 | //! the given axis theAxis |
89 | Standard_EXPORT virtual Standard_Real Center (const Standard_Integer theIdx, |
90 | const Standard_Integer theAxis) const Standard_OVERRIDE; |
91 | |
92 | //! Swaps items with indexes theIdx1 and theIdx2 in the vector |
93 | Standard_EXPORT virtual void Swap (const Standard_Integer theIdx1, |
94 | const Standard_Integer theIdx2) Standard_OVERRIDE; |
95 | |
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96 | DEFINE_STANDARD_RTTIEXT(Select3D_SensitivePoly,Select3D_SensitiveSet) |
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97 | |
98 | private: |
99 | |
100 | //! Checks whether the segment with index theIdx overlaps the current selecting volume |
101 | virtual Standard_Boolean overlapsElement (SelectBasics_SelectingVolumeManager& theMgr, |
102 | Standard_Integer theElemIdx, |
103 | Standard_Real& theMatchDepth) Standard_OVERRIDE; |
104 | |
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105 | //! Checks whether the entity with index theIdx is inside the current selecting volume |
106 | virtual Standard_Boolean elementIsInside (SelectBasics_SelectingVolumeManager& theMgr, |
107 | const Standard_Integer theElemIdx) Standard_OVERRIDE; |
108 | |
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109 | //! Calculates distance from the 3d projection of used-picked screen point |
110 | //! to center of the geometry |
111 | virtual Standard_Real distanceToCOG (SelectBasics_SelectingVolumeManager& theMgr) Standard_OVERRIDE; |
112 | |
113 | protected: |
114 | |
115 | Select3D_PointData myPolyg; //!< Points of the poly |
116 | mutable gp_Pnt myCOG; //!< Center of the poly |
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117 | Handle(TColStd_HArray1OfInteger) mySegmentIndexes; //!< Segment indexes for BVH tree build |
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118 | Select3D_BndBox3d myBndBox; //!< Bounding box of the poly |
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119 | mutable Standard_Boolean myIsComputed; //!< Is true if all the points and data structures of polygon are initialized |
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120 | }; |
121 | |
122 | DEFINE_STANDARD_HANDLE(Select3D_SensitivePoly, Select3D_SensitiveSet) |
123 | |
124 | #include <Select3D_SensitivePoly.lxx> |
125 | |
126 | #endif // _Select3D_SensitivePoly_HeaderFile |