// Copyright (c) 1995-1999 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.

// JCV 08/01/91 modif introduction des classes XY et Mat dans le package
// LPA, JCV  07/92 passage sur C1.
// JCV 07/92 Introduction de la method Dump 

#define No_Standard_OutOfRange

#include <gp_Ax2d.hxx>

#include <gp_Dir2d.hxx>
#include <gp_Pnt2d.hxx>
#include <gp_Trsf2d.hxx>
#include <gp_Vec2d.hxx>
#include <gp_XY.hxx>
#include <Standard_Dump.hxx>

Standard_Boolean gp_Ax2d::IsCoaxial (const gp_Ax2d& Other, 
				     const Standard_Real AngularTolerance,
				     const Standard_Real LinearTolerance) const
{
  gp_XY XY1 = loc.XY();
  XY1.Subtract (Other.loc.XY());
  Standard_Real D1 = XY1.Crossed (Other.vdir.XY());
  if (D1 < 0) D1 = - D1;
  gp_XY XY2 = Other.loc.XY();
  XY2.Subtract (loc.XY());
  Standard_Real D2 = XY2.Crossed (vdir.XY());
  if (D2 < 0) D2 = - D2;
  return (vdir.IsParallel (Other.vdir, AngularTolerance) &&
	  D1 <= LinearTolerance && D2 <= LinearTolerance);
}

void gp_Ax2d::Scale (const gp_Pnt2d& P,
		     const Standard_Real S)
{
  loc.Scale(P, S);
  if (S < 0.0)  vdir.Reverse();
}

void gp_Ax2d::Mirror (const gp_Pnt2d& P)
{
  loc.Mirror(P);
  vdir.Reverse();
}

gp_Ax2d gp_Ax2d::Mirrored (const gp_Pnt2d& P) const
{
  gp_Ax2d A = *this;    
  A.Mirror (P);
  return A;
}

void gp_Ax2d::Mirror (const gp_Ax2d& A)
{
  loc.Mirror (A);
  vdir.Mirror (A.vdir); 
}

gp_Ax2d gp_Ax2d::Mirrored (const gp_Ax2d& A) const
{
  gp_Ax2d AA = *this;
  AA.Mirror (A);
  return AA;
}

void gp_Ax2d::DumpJson (Standard_OStream& theOStream, Standard_Integer theDepth) const
{
  OCCT_DUMP_CLASS_BEGIN (theOStream, gp_Ax2d)

  OCCT_DUMP_FIELD_VALUES_DUMPED (theOStream, theDepth, &loc)
  OCCT_DUMP_FIELD_VALUES_DUMPED (theOStream, theDepth, &vdir)
}