0031642: Visualization - crash in Graphic3d_Structure::SetVisual() on redisplaying...

[occt.git] / src / IGESBasic / IGESBasic.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.hxx>
#include <IGESBasic_GeneralModule.hxx>
#include <IGESBasic_Protocol.hxx>
#include <IGESBasic_ReadWriteModule.hxx>
#include <IGESBasic_SpecificModule.hxx>
#include <IGESData.hxx>
#include <IGESData_SpecificLib.hxx>
#include <IGESData_WriterLib.hxx>
#include <Interface_GeneralLib.hxx>
#include <Interface_ReaderLib.hxx>

//  Ancillary data to work on a Package of IGES Entities with a Protocol
//  (Modules are created and loaded in appropriate libraries, once by Init)
static Handle(IGESBasic_Protocol) protocol;


    void  IGESBasic::Init ()
{
  IGESData::Init();      // usefull for Undefined Type or Erroneous Entities
  if (protocol.IsNull()) {
    protocol = new IGESBasic_Protocol;
    Interface_GeneralLib::SetGlobal (new IGESBasic_GeneralModule,  protocol);
    Interface_ReaderLib::SetGlobal  (new IGESBasic_ReadWriteModule,protocol);
    IGESData_WriterLib::SetGlobal   (new IGESBasic_ReadWriteModule,protocol);
    IGESData_SpecificLib::SetGlobal (new IGESBasic_SpecificModule, protocol);
  }
}

    Handle(IGESBasic_Protocol)  IGESBasic::Protocol ()
{
  return protocol;
}