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93 lines
2.6 KiB
C++
93 lines
2.6 KiB
C++
// Created on: 1991-04-03
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// Created by: Remi GILET
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// Copyright (c) 1991-1999 Matra Datavision
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// 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 _GccAna_CircLin2dBisec_HeaderFile
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#define _GccAna_CircLin2dBisec_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <Standard_Boolean.hxx>
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#include <Standard_Integer.hxx>
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#include <gp_Circ2d.hxx>
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#include <gp_Lin2d.hxx>
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class GccInt_Bisec;
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//! Describes functions for building bisecting curves between a 2D line and a 2D circle.
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//! A bisecting curve between a circle and a line is a curve
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//! such that each of its points is at the same distance from
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//! the circle and the line. It can be a parabola or a line,
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//! depending of the relative position of the line and the
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//! circle. The algorithm computes all the elementary curves which are solutions.
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//! A CircLin2dBisec object provides a framework for:
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//! - defining the construction of the bisecting curves,
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//! - implementing the construction algorithm, and
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//! - consulting the result.
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class GccAna_CircLin2dBisec
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Constructs bisecting curves between the circle Circle and the line Line.
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Standard_EXPORT GccAna_CircLin2dBisec(const gp_Circ2d& Circle, const gp_Lin2d& Line);
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//! Returns true (this construction algorithm never fails).
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Standard_EXPORT Standard_Boolean IsDone() const;
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//! Returns the number of curves, representing solutions computed by this algorithm.
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Standard_EXPORT Standard_Integer NbSolutions() const;
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//! Returns the solution number Index and raises OutOfRange
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//! exception if Index is greater than the number of solutions
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//! Exceptions
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//! Standard_OutOfRange if Index is less than zero or
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//! greater than the number of solutions computed by this algorithm.
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Standard_EXPORT Handle(GccInt_Bisec) ThisSolution (const Standard_Integer Index) const;
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protected:
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private:
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Standard_Boolean WellDone;
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Standard_Integer NbrSol;
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gp_Circ2d circle;
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gp_Lin2d line;
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};
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#endif // _GccAna_CircLin2dBisec_HeaderFile
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