--- /dev/null
+// Created on: 1992-08-26
+// Created by: Remi GILET
+// Copyright (c) 1992-1999 Matra Datavision
+// Copyright (c) 1999-2014 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _gce_MakeLin2d_HeaderFile
+#define _gce_MakeLin2d_HeaderFile
+
+#include <Standard.hxx>
+#include <Standard_DefineAlloc.hxx>
+#include <Standard_Handle.hxx>
+
+#include <gp_Lin2d.hxx>
+#include <gce_Root.hxx>
+#include <Standard_Real.hxx>
+class StdFail_NotDone;
+class gp_Ax2d;
+class gp_Pnt2d;
+class gp_Dir2d;
+class gp_Lin2d;
+
+
+//! This class implements the following algorithms used
+//! to create Lin2d from gp.
+//!
+//! * Create a Lin2d parallel to another and passing
+//! through a point.
+//! * Create a Lin2d parallel to another at the distance
+//! Dist.
+//! * Create a Lin2d passing through 2 points.
+//! * Create a Lin2d from its axis (Ax1 from gp).
+//! * Create a Lin2d from a point and a direction.
+//! * Create a Lin2d from its equation.
+class gce_MakeLin2d : public gce_Root
+{
+public:
+
+ DEFINE_STANDARD_ALLOC
+
+
+ //! Creates a line located with A.
+ Standard_EXPORT gce_MakeLin2d(const gp_Ax2d& A);
+
+
+ //! <P> is the location point (origin) of the line and
+ //! <V> is the direction of the line.
+ Standard_EXPORT gce_MakeLin2d(const gp_Pnt2d& P, const gp_Dir2d& V);
+
+
+ //! Creates the line from the equation A*X + B*Y + C = 0.0
+ //! the status is "NullAxis"if Sqrt(A*A + B*B) <= Resolution from gp.
+ Standard_EXPORT gce_MakeLin2d(const Standard_Real A, const Standard_Real B, const Standard_Real C);
+
+ //! Make a Lin2d from gp <TheLin> parallel to another
+ //! Lin2d <Lin> at a distance <Dist>.
+ //! If Dist is greater than zero the result is on the
+ //! right of the Line <Lin>, else the result is on the
+ //! left of the Line <Lin>.
+ Standard_EXPORT gce_MakeLin2d(const gp_Lin2d& Lin, const Standard_Real Dist);
+
+ //! Make a Lin2d from gp <TheLin> parallel to another
+ //! Lin2d <Lin> and passing through a Pnt2d <Point>.
+ Standard_EXPORT gce_MakeLin2d(const gp_Lin2d& Lin, const gp_Pnt2d& Point);
+
+ //! Make a Lin2d from gp <TheLin> passing through 2
+ //! Pnt2d <P1>,<P2>.
+ //! It returns false if <P1> and <P2> are confused.
+ //! Warning
+ //! If an error occurs (that is, when IsDone returns
+ //! false), the Status function returns:
+ //! - gce_NullAxis if Sqrt(A*A + B*B) is less
+ //! than or equal to gp::Resolution(), or
+ //! - gce_ConfusedPoints if points P1 and P2 are coincident.
+ Standard_EXPORT gce_MakeLin2d(const gp_Pnt2d& P1, const gp_Pnt2d& P2);
+
+ //! Returns the constructed line.
+ //! Exceptions StdFail_NotDone if no line is constructed.
+ Standard_EXPORT gp_Lin2d Value() const;
+
+ Standard_EXPORT gp_Lin2d Operator() const;
+Standard_EXPORT operator gp_Lin2d() const;
+
+
+
+
+protected:
+
+
+
+
+
+private:
+
+
+
+ gp_Lin2d TheLin2d;
+
+
+};
+
+
+
+
+
+
+
+#endif // _gce_MakeLin2d_HeaderFile