0026403: Add missing Standard_EXPORT keyword in SelectMgr headers
[occt.git] / src / SelectMgr / SelectMgr_TriangularFrustum.hxx
1 // Created on: 2014-05-22
2 // Created by: Varvara POSKONINA
3 // Copyright (c) 2005-2014 OPEN CASCADE SAS
4 //
5 // This file is part of Open CASCADE Technology software library.
6 //
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License version 2.1 as published
9 // by the Free Software Foundation, with special exception defined in the file
10 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11 // distribution for complete text of the license and disclaimer of any warranty.
12 //
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
15
16 #ifndef _SelectMgr_TriangularFrustum_HeaderFile
17 #define _SelectMgr_TriangularFrustum_HeaderFile
18
19 #include <SelectMgr_Frustum.hxx>
20
21 //! This class contains representation of triangular selecting frustum, created in case
22 //! of polyline selection, and algorithms for overlap detection between selecting
23 //! frustum and sensitive entities.
24 //! Overlap detection tests are implemented according to the terms of separating axis
25 //! theorem (SAT).
26 class SelectMgr_TriangularFrustum : public SelectMgr_Frustum<3>
27 {
28 public:
29
30   //! Creates new triangular frustum with bases of triangles with vertices theP1,
31   //! theP2 and theP3 projections onto near and far view frustum planes
32   SelectMgr_TriangularFrustum() {};
33
34   Standard_EXPORT ~SelectMgr_TriangularFrustum();
35
36   //! Creates new triangular frustum with bases of triangles with vertices theP1, theP2 and theP3
37   //! projections onto near and far view frustum planes (only for triangular frustums)
38   Standard_EXPORT virtual void Build (const gp_Pnt2d& theP1,
39                                       const gp_Pnt2d& theP2,
40                                       const gp_Pnt2d& theP3) Standard_OVERRIDE;
41
42   //! Returns a copy of the frustum transformed according to the matrix given
43   Standard_EXPORT virtual NCollection_Handle<SelectMgr_BaseFrustum> Transform (const gp_Trsf& theTrsf) Standard_OVERRIDE;
44
45   // SAT Tests for different objects
46
47   //! SAT intersection test between defined volume and given axis-aligned box
48   Standard_EXPORT virtual Standard_Boolean Overlaps (const BVH_Box<Standard_Real, 3>& theBox,
49                                                      Standard_Real& theDepth) Standard_OVERRIDE;
50
51   //! Returns true if selecting volume is overlapped by axis-aligned bounding box
52   //! with minimum corner at point theMinPt and maximum at point theMaxPt
53   Standard_EXPORT virtual Standard_Boolean Overlaps (const SelectMgr_Vec3& theMinPt,
54                                                      const SelectMgr_Vec3& theMaxPt,
55                                                      Standard_Boolean* theInside) Standard_OVERRIDE;
56
57   //! Intersection test between defined volume and given point
58   Standard_EXPORT virtual Standard_Boolean Overlaps (const gp_Pnt& thePnt,
59                                                      Standard_Real& theDepth) Standard_OVERRIDE;
60
61   //! SAT intersection test between defined volume and given ordered set of points,
62   //! representing line segments. The test may be considered of interior part or
63   //! boundary line defined by segments depending on given sensitivity type
64   Standard_EXPORT virtual Standard_Boolean Overlaps (const Handle(TColgp_HArray1OfPnt)& theArrayOfPnts,
65                                                      Select3D_TypeOfSensitivity theSensType,
66                                                      Standard_Real& theDepth) Standard_OVERRIDE;
67
68   //! Checks if line segment overlaps selecting frustum
69   Standard_EXPORT virtual Standard_Boolean Overlaps (const gp_Pnt& thePnt1,
70                                                      const gp_Pnt& thePnt2,
71                                                      Standard_Real& theDepth) Standard_OVERRIDE;
72
73   //! SAT intersection test between defined volume and given triangle. The test may
74   //! be considered of interior part or boundary line defined by triangle vertices
75   //! depending on given sensitivity type
76   Standard_EXPORT virtual Standard_Boolean Overlaps (const gp_Pnt& thePnt1,
77                                                      const gp_Pnt& thePnt2,
78                                                      const gp_Pnt& thePnt3,
79                                                      Select3D_TypeOfSensitivity theSensType,
80                                                      Standard_Real& theDepth) Standard_OVERRIDE;
81
82   //! Nullifies the handle to corresponding builder instance to prevent memory leaks
83   Standard_EXPORT void Clear();
84
85   DEFINE_STANDARD_RTTI(SelectMgr_TriangularFrustum,Standard_Transient)
86 };
87
88 #endif // _SelectMgr_TriangularFrustum_HeaderFile