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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
98 lines
3.1 KiB
C++
98 lines
3.1 KiB
C++
// Copyright (c) 1995-1999 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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// JCV 10/01/91 modifs suite a la deuxieme revue de projet
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// AGV 03/04/07 bug correction: "pos" origin too far when A is very small
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#define No_Standard_OutOfRange
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#include <gp.hxx>
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#include <gp_Ax2d.hxx>
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#include <gp_Dir2d.hxx>
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#include <gp_Lin2d.hxx>
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#include <gp_Pnt2d.hxx>
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#include <gp_Trsf2d.hxx>
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#include <gp_Vec2d.hxx>
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#include <Standard_ConstructionError.hxx>
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//=======================================================================
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//function : gp_Lin2d
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//purpose :
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//=======================================================================
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gp_Lin2d::gp_Lin2d (const Standard_Real A,
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const Standard_Real B,
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const Standard_Real C)
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{
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const Standard_Real Norm2 = A * A + B * B;
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Standard_ConstructionError_Raise_if (Norm2 <= gp::Resolution(), " ");
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const gp_Pnt2d P (-A*C/Norm2, -B*C/Norm2);
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const gp_Dir2d V (-B, A);
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// gp_Pnt2d P;
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// Standard_Real Norm = sqrt(A * A + B * B);
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// Standard_ConstructionError_Raise_if (Norm <= gp::Resolution(), " ");
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// Standard_Real A1 = A/Norm;
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// Standard_Real B1 = B/Norm;
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// Standard_Real C1 = C/Norm;
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// gp_Dir2d V = gp_Dir2d (-B1, A1);
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// Standard_Real AA1 = A1;
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// if (AA1 < 0) AA1 = - AA1;
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// if (AA1 > gp::Resolution()) P.SetCoord (-C1 / A1, 0.0);
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// else P.SetCoord (0.0, -C1 / B1);
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pos = gp_Ax2d(P, V);
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}
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//=======================================================================
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//function : Mirror
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//purpose :
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//=======================================================================
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void gp_Lin2d::Mirror (const gp_Pnt2d& P)
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{ pos.Mirror(P); }
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//=======================================================================
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//function : Mirrored
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//purpose :
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//=======================================================================
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gp_Lin2d gp_Lin2d::Mirrored (const gp_Pnt2d& P) const
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{
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gp_Lin2d L = *this;
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L.pos.Mirror(P);
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return L;
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}
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//=======================================================================
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//function : Mirror
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//purpose :
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//=======================================================================
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void gp_Lin2d::Mirror (const gp_Ax2d& A)
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{ pos.Mirror(A); }
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//=======================================================================
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//function : Mirrored
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//purpose :
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//=======================================================================
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gp_Lin2d gp_Lin2d::Mirrored (const gp_Ax2d& A) const
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{
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gp_Lin2d L = *this;
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L.pos.Mirror(A);
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return L;
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}
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