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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. |
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39 | Standard_EXPORT Select3D_SensitivePoly (const Handle(SelectMgr_EntityOwner)& theOwnerId, |
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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. |
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47 | Standard_EXPORT Select3D_SensitivePoly (const Handle(SelectMgr_EntityOwner)& theOwnerId, |
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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. |
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54 | Standard_EXPORT Select3D_SensitivePoly (const Handle(SelectMgr_EntityOwner)& theOwnerId, |
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55 | const Standard_Boolean theIsBVHEnabled, |
56 | const Standard_Integer theNbPnts = 6); |
57 | |
58 | //! Returns the amount of segments in poly |
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59 | Standard_EXPORT virtual Standard_Integer NbSubElements() const Standard_OVERRIDE; |
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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 | |
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72 | //! Return array bounds. |
73 | void ArrayBounds (Standard_Integer& theLow, |
74 | Standard_Integer& theUp) const |
75 | { |
76 | theLow = 0; |
77 | theUp = myPolyg.Size() - 1; |
78 | } |
79 | |
80 | //! Return point. |
81 | gp_Pnt GetPoint3d (const Standard_Integer thePntIdx) const |
82 | { |
83 | return (thePntIdx >= 0 && thePntIdx < myPolyg.Size()) |
84 | ? myPolyg.Pnt (thePntIdx) |
85 | : gp_Pnt(); |
86 | } |
87 | |
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88 | //! Returns bounding box of a polygon. If location |
89 | //! transformation is set, it will be applied |
90 | Standard_EXPORT virtual Select3D_BndBox3d BoundingBox() Standard_OVERRIDE; |
91 | |
92 | //! Returns center of the point set. If location transformation |
93 | //! is set, it will be applied |
94 | Standard_EXPORT virtual gp_Pnt CenterOfGeometry() const Standard_OVERRIDE; |
95 | |
96 | //! Returns the amount of segments of the poly |
97 | Standard_EXPORT virtual Standard_Integer Size() const Standard_OVERRIDE; |
98 | |
99 | //! Returns bounding box of segment with index theIdx |
100 | Standard_EXPORT virtual Select3D_BndBox3d Box (const Standard_Integer theIdx) const Standard_OVERRIDE; |
101 | |
102 | //! Returns geometry center of sensitive entity index theIdx in the vector along |
103 | //! the given axis theAxis |
104 | Standard_EXPORT virtual Standard_Real Center (const Standard_Integer theIdx, |
105 | const Standard_Integer theAxis) const Standard_OVERRIDE; |
106 | |
107 | //! Swaps items with indexes theIdx1 and theIdx2 in the vector |
108 | Standard_EXPORT virtual void Swap (const Standard_Integer theIdx1, |
109 | const Standard_Integer theIdx2) Standard_OVERRIDE; |
110 | |
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111 | //! Dumps the content of me into the stream |
112 | Standard_EXPORT virtual void DumpJson (Standard_OStream& theOStream, Standard_Integer theDepth = -1) const Standard_OVERRIDE; |
113 | |
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114 | protected: |
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115 | |
116 | //! Checks whether the segment with index theIdx overlaps the current selecting volume |
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117 | Standard_EXPORT virtual Standard_Boolean overlapsElement (SelectBasics_PickResult& thePickResult, |
118 | SelectBasics_SelectingVolumeManager& theMgr, |
119 | Standard_Integer theElemIdx, |
120 | Standard_Boolean theIsFullInside) Standard_OVERRIDE; |
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121 | |
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122 | //! Checks whether the entity with index theIdx is inside the current selecting volume |
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123 | Standard_EXPORT virtual Standard_Boolean elementIsInside (SelectBasics_SelectingVolumeManager& theMgr, |
124 | Standard_Integer theElemIdx, |
125 | Standard_Boolean theIsFullInside) Standard_OVERRIDE; |
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126 | |
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127 | //! Calculates distance from the 3d projection of used-picked screen point |
128 | //! to center of the geometry |
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129 | Standard_EXPORT virtual Standard_Real distanceToCOG (SelectBasics_SelectingVolumeManager& theMgr) Standard_OVERRIDE; |
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130 | |
131 | protected: |
132 | |
133 | Select3D_PointData myPolyg; //!< Points of the poly |
134 | mutable gp_Pnt myCOG; //!< Center of the poly |
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135 | Handle(TColStd_HArray1OfInteger) mySegmentIndexes; //!< Segment indexes for BVH tree build |
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136 | Select3D_BndBox3d myBndBox; //!< Bounding box of the poly |
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137 | mutable Standard_Boolean myIsComputed; //!< Is true if all the points and data structures of polygon are initialized |
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138 | }; |
139 | |
140 | DEFINE_STANDARD_HANDLE(Select3D_SensitivePoly, Select3D_SensitiveSet) |
141 | |
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142 | #endif // _Select3D_SensitivePoly_HeaderFile |