occt/src/IGESSelect/IGESSelect_SelectPCurves.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 <IGESBasic_Group.hxx>
#include <IGESData_IGESEntity.hxx>
#include <IGESGeom_Boundary.hxx>
#include <IGESGeom_BoundedSurface.hxx>
#include <IGESGeom_CurveOnSurface.hxx>
#include <IGESGeom_TrimmedSurface.hxx>
#include <IGESSelect_SelectBasicGeom.hxx>
#include <IGESSelect_SelectPCurves.hxx>
#include <IGESSolid_Face.hxx>
#include <IGESSolid_Loop.hxx>
#include <IGESSolid_ManifoldSolid.hxx>
#include <IGESSolid_Shell.hxx>
#include <Interface_EntityIterator.hxx>
#include <Interface_Graph.hxx>
#include <Interface_Macros.hxx>
#include <Standard_Transient.hxx>
#include <Standard_Type.hxx>
#include <TCollection_AsciiString.hxx>

IMPLEMENT_STANDARD_RTTIEXT(IGESSelect_SelectPCurves,IFSelect_SelectExplore)

IGESSelect_SelectPCurves::IGESSelect_SelectPCurves
  (const Standard_Boolean basic)
    : IFSelect_SelectExplore (-1) , thebasic (basic)    {  }


    Standard_Boolean  IGESSelect_SelectPCurves::Explore
  (const Standard_Integer level, const Handle(Standard_Transient)& ent,
   const Interface_Graph& /*G*/, Interface_EntityIterator& explored) const
{
  DeclareAndCast(IGESData_IGESEntity,igesent,ent);
  if (igesent.IsNull()) return Standard_False;
  Standard_Integer igt = igesent->TypeNumber();

//   TrimmedSurface 144
  if (igt == 144) {
    DeclareAndCast(IGESGeom_TrimmedSurface,trs,ent);
      explored.AddItem(trs->OuterContour());
      Standard_Integer i, nb = trs->NbInnerContours();
      for (i = 1; i <= nb; i ++) explored.AddItem (trs->InnerContour(i));
    return Standard_True;
  }

//   CurveOnSurface 142
  if (igt == 142) {
    DeclareAndCast(IGESGeom_CurveOnSurface,crf,ent);
    explored.AddItem(crf->CurveUV());
    if (thebasic) IGESSelect_SelectBasicGeom::SubCurves (crf->CurveUV(),explored);
    return Standard_True;
  }

//   Boundary 141
  if (igt == 141) {
    DeclareAndCast(IGESGeom_Boundary,bnd,ent);
    Standard_Integer i, nb = bnd->NbModelSpaceCurves();
    for (i = 1; i <= nb; i ++) {
      Standard_Integer j,np = bnd->NbParameterCurves(i);
      for (j = 1; j <= np; j ++) {
	explored.AddItem (bnd->ParameterCurve(i,j));
      }
    }
    return (nb > 0);
  }

//   BoundedSurface 143
  if (igt == 143) {
    DeclareAndCast(IGESGeom_BoundedSurface,bns,ent);
    Standard_Integer i, nb = bns->NbBoundaries(); //szv#4:S4163:12Mar99 optimized
      for (i = 1; i <= nb; i ++) explored.AddItem (bns->Boundary(i));
      return (nb != 0);
    //return Standard_True; //szv#4:S4163:12Mar99 unreached
  }


//  Groups ... en dernier de la serie 402
  if (igt == 402) {
    DeclareAndCast(IGESBasic_Group,gr,ent);
    if (gr.IsNull()) return Standard_False;
    Standard_Integer i, nb = gr->NbEntities();
    for (i = 1; i <= nb; i ++)  explored.AddItem (gr->Entity(i));
    return Standard_True;
  }


//  ManifoldSolid 186  -> Shells
  if (igt == 186) {
    DeclareAndCast(IGESSolid_ManifoldSolid,msb,ent);
    explored.AddItem (msb->Shell());
    Standard_Integer i, nb = msb->NbVoidShells();
    for (i = 1; i <= nb; i ++)  explored.AddItem (msb->VoidShell(i));
    return Standard_True;
  }

//  Shell 514 -> Faces
  if (igt == 514) {
    DeclareAndCast(IGESSolid_Shell,sh,ent);
    Standard_Integer i, nb = sh->NbFaces();
    for (i = 1; i <= nb; i ++)  explored.AddItem (sh->Face(i));
    return Standard_True;
  }

//  Face 510 -> Loops
  if (igt == 510) {
    DeclareAndCast(IGESSolid_Face,fc,ent);
      Standard_Integer i, nb = fc->NbLoops();
      for (i = 1; i <= nb; i ++)  explored.AddItem (fc->Loop(i));
    return Standard_True;
  }

//  Loop 508 -> PCurves (enfin !)
  if (igt == 508) {
    DeclareAndCast(IGESSolid_Loop,lp,ent);
    Standard_Integer i, nb = lp->NbEdges();
    for (i = 1; i <= nb; i ++)  {
      Standard_Integer j, np = lp->NbParameterCurves(i);
      for (j = 1; j <= np; j ++) //szv#4:S4163:12Mar99 was bug
	explored.AddItem(lp->ParametricCurve(i,j));
    }
    return Standard_True;
  }

//   LES LIGNES : seult si en tant que pcurve : donc level >= 3
//   Lignes en general. Attention CopiousData, aux variantes "habillage"
  if (level < 3) return Standard_False;

  if (igt == 106) return (igesent->FormNumber() < 20);
  if ( (igt >= 100 && igt <= 106) || igt == 110 || igt == 112 || igt == 116 ||
      igt == 126 || igt == 130) return Standard_True;

//  Pas trouve
  return Standard_False;
}


    TCollection_AsciiString IGESSelect_SelectPCurves::ExploreLabel () const
{
  if (thebasic) return TCollection_AsciiString ("Basic PCurves");
  else return TCollection_AsciiString ("Global PCurves");
}