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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 | |
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17 | #include <Select3D_PointData.hxx> |
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18 | #include <Select3D_SensitiveSet.hxx> |
19 | #include <Select3D_TypeOfSensitivity.hxx> |
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20 | #include <TColStd_HArray1OfInteger.hxx> |
21 | #include <TColgp_HArray1OfPnt.hxx> |
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22 | |
23 | class Standard_ConstructionError; |
24 | class Standard_OutOfRange; |
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25 | |
26 | //! Sensitive Entity to make a face selectable. |
27 | //! In some cases this class can raise Standard_ConstructionError and |
28 | //! Standard_OutOfRange exceptions from its member Select3D_PointData |
29 | //! myPolyg. |
30 | class Select3D_SensitivePoly : public Select3D_SensitiveSet |
31 | { |
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32 | DEFINE_STANDARD_RTTIEXT(Select3D_SensitivePoly, Select3D_SensitiveSet) |
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33 | public: |
34 | |
35 | //! Constructs a sensitive face object defined by the |
36 | //! owner OwnerId, the array of points ThePoints, and |
37 | //! the sensitivity type Sensitivity. |
38 | //! The array of points is the outer polygon of the geometric face. |
39 | Standard_EXPORT Select3D_SensitivePoly (const Handle(SelectBasics_EntityOwner)& theOwnerId, |
40 | const TColgp_Array1OfPnt& thePoints, |
41 | const Standard_Boolean theIsBVHEnabled); |
42 | |
43 | //! Constructs a sensitive face object defined by the |
44 | //! owner OwnerId, the array of points ThePoints, and |
45 | //! the sensitivity type Sensitivity. |
46 | //! The array of points is the outer polygon of the geometric face. |
47 | Standard_EXPORT Select3D_SensitivePoly (const Handle(SelectBasics_EntityOwner)& theOwnerId, |
48 | const Handle(TColgp_HArray1OfPnt)& thePoints, |
49 | const Standard_Boolean theIsBVHEnabled); |
50 | |
51 | //! Constructs the sensitive circle object defined by the |
52 | //! owner OwnerId, the circle Circle, the Boolean |
53 | //! FilledCircle and the number of points NbOfPoints. |
54 | Standard_EXPORT Select3D_SensitivePoly (const Handle(SelectBasics_EntityOwner)& theOwnerId, |
55 | const Standard_Boolean theIsBVHEnabled, |
56 | const Standard_Integer theNbPnts = 6); |
57 | |
58 | //! Returns the amount of segments in poly |
59 | Standard_EXPORT virtual Standard_Integer NbSubElements() Standard_OVERRIDE; |
60 | |
61 | //! Returns the 3D points of the array used at construction time. |
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62 | void Points3D (Handle(TColgp_HArray1OfPnt)& theHArrayOfPnt) |
63 | { |
64 | Standard_Integer aSize = myPolyg.Size(); |
65 | theHArrayOfPnt = new TColgp_HArray1OfPnt (1,aSize); |
66 | for(Standard_Integer anIndex = 1; anIndex <= aSize; anIndex++) |
67 | { |
68 | theHArrayOfPnt->SetValue (anIndex, myPolyg.Pnt (anIndex-1)); |
69 | } |
70 | } |
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71 | |
72 | //! Returns bounding box of a polygon. If location |
73 | //! transformation is set, it will be applied |
74 | Standard_EXPORT virtual Select3D_BndBox3d BoundingBox() Standard_OVERRIDE; |
75 | |
76 | //! Returns center of the point set. If location transformation |
77 | //! is set, it will be applied |
78 | Standard_EXPORT virtual gp_Pnt CenterOfGeometry() const Standard_OVERRIDE; |
79 | |
80 | //! Returns the amount of segments of the poly |
81 | Standard_EXPORT virtual Standard_Integer Size() const Standard_OVERRIDE; |
82 | |
83 | //! Returns bounding box of segment with index theIdx |
84 | Standard_EXPORT virtual Select3D_BndBox3d Box (const Standard_Integer theIdx) const Standard_OVERRIDE; |
85 | |
86 | //! Returns geometry center of sensitive entity index theIdx in the vector along |
87 | //! the given axis theAxis |
88 | Standard_EXPORT virtual Standard_Real Center (const Standard_Integer theIdx, |
89 | const Standard_Integer theAxis) const Standard_OVERRIDE; |
90 | |
91 | //! Swaps items with indexes theIdx1 and theIdx2 in the vector |
92 | Standard_EXPORT virtual void Swap (const Standard_Integer theIdx1, |
93 | const Standard_Integer theIdx2) Standard_OVERRIDE; |
94 | |
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95 | private: |
96 | |
97 | //! Checks whether the segment with index theIdx overlaps the current selecting volume |
98 | virtual Standard_Boolean overlapsElement (SelectBasics_SelectingVolumeManager& theMgr, |
99 | Standard_Integer theElemIdx, |
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100 | SelectBasics_PickResult& thePickResult) Standard_OVERRIDE; |
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101 | |
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102 | //! Checks whether the entity with index theIdx is inside the current selecting volume |
103 | virtual Standard_Boolean elementIsInside (SelectBasics_SelectingVolumeManager& theMgr, |
104 | const Standard_Integer theElemIdx) Standard_OVERRIDE; |
105 | |
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106 | //! Calculates distance from the 3d projection of used-picked screen point |
107 | //! to center of the geometry |
108 | virtual Standard_Real distanceToCOG (SelectBasics_SelectingVolumeManager& theMgr) Standard_OVERRIDE; |
109 | |
110 | protected: |
111 | |
112 | Select3D_PointData myPolyg; //!< Points of the poly |
113 | mutable gp_Pnt myCOG; //!< Center of the poly |
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114 | Handle(TColStd_HArray1OfInteger) mySegmentIndexes; //!< Segment indexes for BVH tree build |
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115 | Select3D_BndBox3d myBndBox; //!< Bounding box of the poly |
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116 | mutable Standard_Boolean myIsComputed; //!< Is true if all the points and data structures of polygon are initialized |
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117 | }; |
118 | |
119 | DEFINE_STANDARD_HANDLE(Select3D_SensitivePoly, Select3D_SensitiveSet) |
120 | |
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121 | #endif // _Select3D_SensitivePoly_HeaderFile |