OCCT

// Created on: 1996-12-30
// Created by: Stagiaire Mary FABIEN
// Copyright (c) 1996-1999 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 <BRep_Builder.hxx>
#include <BRepBuilderAPI_GTransform.hxx>
#include <BRepBuilderAPI_NurbsConvert.hxx>
#include <BRepTools_GTrsfModification.hxx>
#include <BRepTools_NurbsConvertModification.hxx>
#include <gp_GTrsf.hxx>
#include <TopoDS_Shape.hxx>
#include <TopTools_ListOfShape.hxx>

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

BRepBuilderAPI_GTransform::BRepBuilderAPI_GTransform(const gp_GTrsf& T)
    : myGTrsf(T)
{
  myModification = new BRepTools_GTrsfModification(T);
}

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

BRepBuilderAPI_GTransform::BRepBuilderAPI_GTransform(const TopoDS_Shape&    S,
                                                     const gp_GTrsf&        T,
                                                     const Standard_Boolean Copy)
    : myGTrsf(T)
{
  myModification = new BRepTools_GTrsfModification(T);
  Perform(S, Copy);
}

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

void BRepBuilderAPI_GTransform::Perform(const TopoDS_Shape& S, const Standard_Boolean Copy)
{
  BRepBuilderAPI_NurbsConvert nc;
  nc.Perform(S, Copy);
  myHist.Add(S, nc);
  TopoDS_Shape                        Slocal = nc.Shape();
  Handle(BRepTools_GTrsfModification) theModif =
    Handle(BRepTools_GTrsfModification)::DownCast(myModification);
  theModif->GTrsf() = myGTrsf;
  DoModif(Slocal, myModification);
  //  myHist.Filter (Shape());
}

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

const TopTools_ListOfShape& BRepBuilderAPI_GTransform::Modified(const TopoDS_Shape& F)
{
  myGenerated.Clear();
  const TopTools_DataMapOfShapeListOfShape& M = myHist.Modification();
  if (M.IsBound(F))
  {
    TopTools_ListOfShape               Li;
    TopTools_ListIteratorOfListOfShape itL(M(F));
    for (; itL.More(); itL.Next())
      Li.Assign(BRepBuilderAPI_ModifyShape::Modified(itL.Value()));
  }
  return myGenerated;
}

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

TopoDS_Shape BRepBuilderAPI_GTransform::ModifiedShape(const TopoDS_Shape& S) const
{
  const TopTools_DataMapOfShapeListOfShape& aMapModif = myHist.Modification();
  TopoDS_Shape                              aShape    = S;

  if (aMapModif.IsBound(S))
  {
    const TopTools_ListOfShape& aListModShape = aMapModif(S);
    Standard_Integer            aNbShapes     = aListModShape.Extent();

    if (aNbShapes > 0)
      aShape = aListModShape.First();
  }

  return BRepBuilderAPI_ModifyShape::ModifiedShape(aShape);
}