0025133: TKOpenGl - Crash on closing a view containing presentations with capping
[occt.git] / src / BRepExtrema / BRepExtrema_ExtPC.hxx
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973c2be1 1// Copyright (c) 1999-2014 OPEN CASCADE SAS
b311480e 2//
973c2be1 3// This file is part of Open CASCADE Technology software library.
b311480e 4//
d5f74e42 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
973c2be1 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.
b311480e 10//
973c2be1 11// Alternatively, this file may be used under the terms of Open CASCADE
12// commercial license or contractual agreement.
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13
14#ifndef _BRepExtrema_ExtPC_HeaderFile
15#define _BRepExtrema_ExtPC_HeaderFile
16
92d1589b 17#include <Extrema_ExtPC.hxx>
cb389a77 18#include <BRepAdaptor_HCurve.hxx>
ebc93ae7 19#include <Standard_DefineAlloc.hxx>
20
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21class BRepAdaptor_HCurve;
22class TopoDS_Vertex;
23class TopoDS_Edge;
24class gp_Pnt;
25
26
27class BRepExtrema_ExtPC
28{
29 public:
30
1c35b92f 31 DEFINE_STANDARD_ALLOC
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32
33 Standard_EXPORT BRepExtrema_ExtPC()
34 {
35 }
36 //! It calculates all the distances. <br>
37 Standard_EXPORT BRepExtrema_ExtPC(const TopoDS_Vertex& V,const TopoDS_Edge& E);
38
39 Standard_EXPORT void Initialize(const TopoDS_Edge& E);
40 //! An exception is raised if the fields have not been initialized. <br>
41 Standard_EXPORT void Perform(const TopoDS_Vertex& V);
42 //! True if the distances are found. <br>
43 Standard_EXPORT Standard_Boolean IsDone() const
44 {
45 return myExtPC.IsDone();
46 }
47 //! Returns the number of extremum distances. <br>
48 Standard_EXPORT Standard_Integer NbExt() const
49 {
50 return myExtPC.NbExt();
51 }
52 //! Returns True if the <N>th extremum distance is a minimum. <br>
53 Standard_EXPORT Standard_Boolean IsMin(const Standard_Integer N) const
54 {
55 return myExtPC.IsMin(N);
56 }
57 //! Returns the value of the <N>th extremum square distance. <br>
58 Standard_EXPORT Standard_Real SquareDistance(const Standard_Integer N) const
59 {
60 return myExtPC.SquareDistance(N);
61 }
62 //! Returns the parameter on the edge of the <N>th extremum distance. <br>
63 Standard_EXPORT Standard_Real Parameter(const Standard_Integer N) const
64 {
65 return myExtPC.Point(N).Parameter();
66 }
67 //! Returns the Point of the <N>th extremum distance. <br>
68 Standard_EXPORT gp_Pnt Point(const Standard_Integer N) const
69 {
70 return myExtPC.Point(N).Value();
71 }
72 //! if the curve is a trimmed curve, <br>
73 //! dist1 is a square distance between <P> and the point <br>
74 //! of parameter FirstParameter <pnt1> and <br>
75 //! dist2 is a square distance between <P> and the point <br>
76 //! of parameter LastParameter <pnt2>. <br>
77 Standard_EXPORT void TrimmedSquareDistances(Standard_Real& dist1,Standard_Real& dist2,gp_Pnt& pnt1,gp_Pnt& pnt2) const
78 {
79 myExtPC.TrimmedSquareDistances(dist1,dist2,pnt1,pnt2);
80 }
81
82 private:
83
84 Extrema_ExtPC myExtPC;
857ffd5e 85 Handle(BRepAdaptor_HCurve) myHC;
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86};
87
88#endif