// Created by: CKY / Contract Toubro-Larsen
// Copyright (c) 1993-1999 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.

//--------------------------------------------------------------------
//--------------------------------------------------------------------

#include <gp_GTrsf.hxx>
#include <gp_Vec.hxx>
#include <gp_XYZ.hxx>
#include <IGESGeom_OffsetCurve.hxx>
#include <Standard_Type.hxx>

IMPLEMENT_STANDARD_RTTIEXT(IGESGeom_OffsetCurve, IGESData_IGESEntity)

IGESGeom_OffsetCurve::IGESGeom_OffsetCurve() {}

void IGESGeom_OffsetCurve::Init(const Handle(IGESData_IGESEntity)& aBaseCurve,
                                const Standard_Integer             anOffsetType,
                                const Handle(IGESData_IGESEntity)& aFunction,
                                const Standard_Integer             aFunctionCoord,
                                const Standard_Integer             aTaperedOffsetType,
                                const Standard_Real                offDistance1,
                                const Standard_Real                anArcLength1,
                                const Standard_Real                offDistance2,
                                const Standard_Real                anArcLength2,
                                const gp_XYZ&                      aNormalVec,
                                const Standard_Real                anOffsetParam,
                                const Standard_Real                anotherOffsetParam)
{
  theBaseCurve         = aBaseCurve;
  theOffsetType        = anOffsetType;
  theFunction          = aFunction;
  theFunctionCoord     = aFunctionCoord;
  theTaperedOffsetType = aTaperedOffsetType;
  theOffsetDistance1   = offDistance1;
  theArcLength1        = anArcLength1;
  theOffsetDistance2   = offDistance2;
  theArcLength2        = anArcLength2;
  theNormalVector      = aNormalVec;
  theOffsetParam1      = anOffsetParam;
  theOffsetParam2      = anotherOffsetParam;
  InitTypeAndForm(130, 0);
}

Handle(IGESData_IGESEntity) IGESGeom_OffsetCurve::BaseCurve() const
{
  return theBaseCurve;
}

Standard_Integer IGESGeom_OffsetCurve::OffsetType() const
{
  return theOffsetType;
}

Handle(IGESData_IGESEntity) IGESGeom_OffsetCurve::Function() const
{
  return theFunction;
}

Standard_Integer IGESGeom_OffsetCurve::FunctionParameter() const
{
  return theFunctionCoord;
}

Standard_Integer IGESGeom_OffsetCurve::TaperedOffsetType() const
{
  return theTaperedOffsetType;
}

Standard_Real IGESGeom_OffsetCurve::FirstOffsetDistance() const
{
  return theOffsetDistance1;
}

Standard_Real IGESGeom_OffsetCurve::ArcLength1() const
{
  return theArcLength1;
}

Standard_Real IGESGeom_OffsetCurve::SecondOffsetDistance() const
{
  return theOffsetDistance2;
}

Standard_Real IGESGeom_OffsetCurve::ArcLength2() const
{
  return theArcLength2;
}

gp_Vec IGESGeom_OffsetCurve::NormalVector() const
{
  return (gp_Vec(theNormalVector));
}

gp_Vec IGESGeom_OffsetCurve::TransformedNormalVector() const
{
  if (!HasTransf())
    return gp_Vec(theNormalVector);
  gp_XYZ   tempXYZ(theNormalVector);
  gp_GTrsf loc = Location();
  loc.SetTranslationPart(gp_XYZ(0., 0., 0.));
  loc.Transforms(tempXYZ);
  return gp_Vec(tempXYZ);
}

Standard_Real IGESGeom_OffsetCurve::StartParameter() const
{
  return theOffsetParam1;
}

Standard_Real IGESGeom_OffsetCurve::EndParameter() const
{
  return theOffsetParam2;
}

void IGESGeom_OffsetCurve::Parameters(Standard_Real& TT1, Standard_Real& TT2) const
{
  TT1 = theOffsetParam1;
  TT2 = theOffsetParam2;
}

Standard_Boolean IGESGeom_OffsetCurve::HasFunction() const
{
  return (!theFunction.IsNull());
}