occt/src/IGESSelect/IGESSelect_RemoveCurves.cxx

// 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 <IFSelect_ContextModif.hxx>
#include <IGESBasic_HArray1OfHArray1OfIGESEntity.hxx>
#include <IGESData_HArray1OfIGESEntity.hxx>
#include <IGESData_IGESEntity.hxx>
#include <IGESData_IGESModel.hxx>
#include <IGESGeom_BoundedSurface.hxx>
#include <IGESGeom_TrimmedSurface.hxx>
#include <IGESSelect_RemoveCurves.hxx>
#include <Interface_CopyTool.hxx>
#include <Interface_Macros.hxx>
#include <Standard_Type.hxx>
#include <TCollection_AsciiString.hxx>
#include <TColStd_HArray1OfInteger.hxx>

IMPLEMENT_STANDARD_RTTIEXT(IGESSelect_RemoveCurves, IGESSelect_ModelModifier)

IGESSelect_RemoveCurves::IGESSelect_RemoveCurves(const Standard_Boolean UV)
    : IGESSelect_ModelModifier(Standard_True),
      theUV(UV)
{
}

static Standard_Boolean Edit(const Handle(Standard_Transient)& ent, const Standard_Boolean UV)
{
  Standard_Boolean res = Standard_False;
  DeclareAndCast(IGESGeom_TrimmedSurface, trsu, ent);
  if (!trsu.IsNull())
  {
    res = Edit(trsu->OuterContour(), UV);
    Standard_Integer i, nb = trsu->NbInnerContours();
    for (i = 1; i <= nb; i++)
    {
      res = res | Edit(trsu->InnerContour(i), UV);
    }
    return res;
  }

  DeclareAndCast(IGESGeom_BoundedSurface, bnsu, ent);
  if (!bnsu.IsNull())
  {
    Standard_Integer i, nb = bnsu->NbBoundaries();
    for (i = 1; i <= nb; i++)
    {
      res = res | Edit(bnsu->Boundary(i), UV);
    }
    return res;
  }

  DeclareAndCast(IGESGeom_CurveOnSurface, cons, ent);
  if (!cons.IsNull())
  {
    Handle(IGESData_IGESEntity) cuv, c3d;
    cuv                   = cons->CurveUV();
    c3d                   = cons->Curve3D();
    Standard_Integer pref = cons->PreferenceMode();
    if (UV && !c3d.IsNull())
    {
      if (cuv.IsNull() || c3d.IsNull())
        return Standard_False; // rien a faire
      cuv.Nullify();
      if (pref == 1)
        pref = 0;
      if (pref == 3)
        pref = 2;
    }
    else if (!cuv.IsNull())
    {
      if (cuv.IsNull() || c3d.IsNull())
        return Standard_False; // rien a faire
      c3d.Nullify();
      if (pref == 2)
        pref = 0;
      if (pref == 3)
        pref = 1;
    }
    cons->Init(cons->CreationMode(), cons->Surface(), cuv, c3d, pref);
    return Standard_True;
  }

  DeclareAndCast(IGESGeom_Boundary, bndy, ent);
  if (!bndy.IsNull())
  {
    Standard_Integer i, nb = bndy->NbModelSpaceCurves();
    if (nb == 0)
      return Standard_False;
    Handle(IGESData_HArray1OfIGESEntity)           arc3d = new IGESData_HArray1OfIGESEntity(1, nb);
    Handle(IGESBasic_HArray1OfHArray1OfIGESEntity) arcuv =
      new IGESBasic_HArray1OfHArray1OfIGESEntity(1, nb);
    Handle(TColStd_HArray1OfInteger) sens = new TColStd_HArray1OfInteger(1, nb);
    for (i = 1; i <= nb; i++)
    {
      sens->SetValue(i, bndy->Sense(i));
      Handle(IGESData_HArray1OfIGESEntity) cuv = bndy->ParameterCurves(i);
      Handle(IGESData_IGESEntity)          c3d = bndy->ModelSpaceCurve(i);
      if (UV)
      {
        if (cuv.IsNull() || c3d.IsNull())
          continue; // rien a faire
        cuv.Nullify();
        arcuv->SetValue(i, cuv);
      }
      else
      {
        if (cuv.IsNull() || c3d.IsNull())
          continue; // rien a faire
        c3d.Nullify();
        arc3d->SetValue(i, c3d);
        res = Standard_True;
      }
    }
    //    Y a-t-il eu de la retouche ?
    Standard_Integer pref = bndy->PreferenceType();
    if (UV)
    {
      if (pref == 2)
        pref = 0;
      if (pref == 3)
        pref = 1;
    }
    else
    {
      if (pref == 1)
        pref = 0;
      if (pref == 3)
        pref = 2;
    }
    if (res)
      bndy->Init(bndy->BoundaryType(), pref, bndy->Surface(), arc3d, sens, arcuv);
    return res;
  }

  return Standard_False;
}

void IGESSelect_RemoveCurves::Performing(IFSelect_ContextModif& ctx,
                                         const Handle(IGESData_IGESModel)& /*target*/,
                                         Interface_CopyTool& /*TC*/) const
{
  for (ctx.Start(); ctx.More(); ctx.Next())
  {
    if (Edit(ctx.ValueResult(), theUV))
      ctx.Trace();
  }
}

TCollection_AsciiString IGESSelect_RemoveCurves::Label() const
{
  if (theUV)
    return TCollection_AsciiString("Remove Curves UV on Face");
  else
    return TCollection_AsciiString("Remove Curves 3D on Face");
}