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82 lines
2.9 KiB
C++
82 lines
2.9 KiB
C++
// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _BRepExtrema_ExtCC_HeaderFile
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#define _BRepExtrema_ExtCC_HeaderFile
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#include <Extrema_ExtCC.hxx>
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#include <BRepAdaptor_HCurve.hxx>
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#include <Standard_DefineAlloc.hxx>
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class BRepAdaptor_HCurve;
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class TopoDS_Edge;
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class gp_Pnt;
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class BRepExtrema_ExtCC
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{
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public:
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DEFINE_STANDARD_ALLOC
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Standard_EXPORT BRepExtrema_ExtCC()
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{
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}
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//! It calculates all the distances. <br>
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Standard_EXPORT BRepExtrema_ExtCC(const TopoDS_Edge& E1,const TopoDS_Edge& E2);
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Standard_EXPORT void Initialize(const TopoDS_Edge& E2);
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//! An exception is raised if the fields have not been initialized. <br>
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Standard_EXPORT void Perform(const TopoDS_Edge& E1);
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//! True if the distances are found. <br>
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Standard_EXPORT Standard_Boolean IsDone() const
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{
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return myExtCC.IsDone();
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}
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//! Returns the number of extremum distances. <br>
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Standard_EXPORT Standard_Integer NbExt() const
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{
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return myExtCC.NbExt();
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}
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//! Returns True if E1 and E2 are parallel. <br>
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Standard_EXPORT Standard_Boolean IsParallel() const
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{
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return myExtCC.IsParallel();
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}
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//! Returns the value of the <N>th extremum square distance. <br>
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Standard_EXPORT Standard_Real SquareDistance(const Standard_Integer N) const
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{
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return myExtCC.SquareDistance(N);
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}
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//! Returns the parameter on the first edge of the <N>th extremum distance. <br>
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Standard_EXPORT Standard_Real ParameterOnE1(const Standard_Integer N) const;
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//! Returns the Point of the <N>th extremum distance on the edge E1. <br>
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Standard_EXPORT gp_Pnt PointOnE1(const Standard_Integer N) const;
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//! Returns the parameter on the second edge of the <N>th extremum distance. <br>
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Standard_EXPORT Standard_Real ParameterOnE2(const Standard_Integer N) const;
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//! Returns the Point of the <N>th extremum distance on the edge E2. <br>
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Standard_EXPORT gp_Pnt PointOnE2(const Standard_Integer N) const;
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//! if the edges is a trimmed curve, <br>
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//! dist11 is a square distance between the point on E1 <br>
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//! of parameter FirstParameter and the point of <br>
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//! parameter FirstParameter on E2. <br>
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Standard_EXPORT void TrimmedSquareDistances(Standard_Real& dist11,Standard_Real& distP12,Standard_Real& distP21,Standard_Real& distP22,gp_Pnt& P11,gp_Pnt& P12,gp_Pnt& P21,gp_Pnt& P22) const;
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private:
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Extrema_ExtCC myExtCC;
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Handle(BRepAdaptor_HCurve) myHC;
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};
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#endif
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