OCCT

// Created on: 1997-04-17
// Created by: Christophe MARION
// Copyright (c) 1997-1999 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 No_Exception
  #define No_Exception
#endif

#include <HLRBRep_Data.hxx>
#include <HLRBRep_EdgeInterferenceTool.hxx>

//=================================================================================================

HLRBRep_EdgeInterferenceTool::HLRBRep_EdgeInterferenceTool(const occ::handle<HLRBRep_Data>& DS)
    : myDS(DS)
{
}

//=================================================================================================

void HLRBRep_EdgeInterferenceTool::LoadEdge()
{
  double                                p1, p2;
  float                                 t1, t2;
  NCollection_Array1<HLRBRep_EdgeData>& ED = myDS->EDataArray();
  HLRBRep_EdgeData&                     ed = ED(myDS->Edge());
  ed.Status().Bounds(p1, t1, p2, t2);
  inter[0].Parameter(p1);
  inter[0].Tolerance(t1);
  inter[0].Index(ed.VSta());
  inter[1].Parameter(p2);
  inter[1].Tolerance(t2);
  inter[1].Index(ed.VEnd());
}

//=================================================================================================

void HLRBRep_EdgeInterferenceTool::EdgeGeometry(const double Param,
                                                gp_Dir&      Tgt,
                                                gp_Dir&      Nrm,
                                                double&      CrLE) const
{
  gp_Dir2d TgLE, NmLE;
  myDS->LocalLEGeometry2D(Param, TgLE, NmLE, CrLE);
  Tgt.SetCoord(TgLE.X(), TgLE.Y(), 0);
  Nrm.SetCoord(NmLE.X(), NmLE.Y(), 0);
}

//=================================================================================================

bool HLRBRep_EdgeInterferenceTool::SameInterferences(const HLRAlgo_Interference& I1,
                                                     const HLRAlgo_Interference& I2) const
{
  int ind1 = I1.Intersection().Index();
  int ind2 = I2.Intersection().Index();
  if (ind1 != 0 && ind2 != 0)
  {
    return ind1 == ind2;
  }
  return false;
}

//=================================================================================================

bool HLRBRep_EdgeInterferenceTool::SameVertexAndInterference(const HLRAlgo_Interference& I) const
{
  if (I.Intersection().Index() == inter[cur].Index())
  {
    return true;
  }
  return I.Intersection().Orientation() == ((cur == 0) ? TopAbs_FORWARD : TopAbs_REVERSED);
}

//=================================================================================================

void HLRBRep_EdgeInterferenceTool::InterferenceBoundaryGeometry(const HLRAlgo_Interference& I,
                                                                gp_Dir&                     Tang,
                                                                gp_Dir&                     Norm,
                                                                double& CrFE) const
{
  int      FE;
  double   Param;
  gp_Dir2d TgFE, NmFE;
  I.Boundary().Value2D(FE, Param);
  myDS->LocalFEGeometry2D(FE, Param, TgFE, NmFE, CrFE);
  Tang.SetCoord(TgFE.X(), TgFE.Y(), 0);
  Norm.SetCoord(NmFE.X(), NmFE.Y(), 0);
}