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

[occt.git] / src / IGESDimen / IGESDimen_GeneralSymbol.cxx

// Created by: CKY / Contract Toubro-Larsen
// Copyright (c) 1993-1999 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 <IGESData_IGESEntity.hxx>
#include <IGESDimen_GeneralNote.hxx>
#include <IGESDimen_GeneralSymbol.hxx>
#include <IGESDimen_LeaderArrow.hxx>
#include <Standard_DimensionMismatch.hxx>
#include <Standard_OutOfRange.hxx>
#include <Standard_Type.hxx>

IMPLEMENT_STANDARD_RTTIEXT(IGESDimen_GeneralSymbol,IGESData_IGESEntity)

IGESDimen_GeneralSymbol::IGESDimen_GeneralSymbol ()    {  }

    void  IGESDimen_GeneralSymbol::Init 
  (const Handle(IGESDimen_GeneralNote)& aNote,
   const Handle(IGESData_HArray1OfIGESEntity)& allGeoms,
   const Handle(IGESDimen_HArray1OfLeaderArrow)& allLeaders)
{
  if (!allGeoms.IsNull() &&  allGeoms->Lower() != 1)
    throw Standard_DimensionMismatch("IGESDimen_GeneralSymbol : Init");
  if (!allLeaders.IsNull())
    if (allLeaders->Lower() != 1) throw Standard_DimensionMismatch("$");
  theNote    = aNote;
  theGeoms   = allGeoms;
  theLeaders = allLeaders;
  InitTypeAndForm(228,FormNumber());
//  FormNumber precises the Nature of the Symbol, cf G.14 (0-3 or > 5000)
}

    void  IGESDimen_GeneralSymbol::SetFormNumber (const Standard_Integer form)
{
  if ((form < 0 || form > 3) && form < 5000) throw Standard_OutOfRange("IGESDimen_GeneralSymbol : SetFormNumber");
  InitTypeAndForm(228,form);
}


    Standard_Boolean  IGESDimen_GeneralSymbol::HasNote () const
{
  return (!theNote.IsNull());
}

    Handle(IGESDimen_GeneralNote)  IGESDimen_GeneralSymbol::Note () const
{
  return theNote;
}

    Standard_Integer  IGESDimen_GeneralSymbol::NbGeomEntities () const
{
  return theGeoms->Length();
}

    Handle(IGESData_IGESEntity)  IGESDimen_GeneralSymbol::GeomEntity
  (const Standard_Integer Index) const
{
  return theGeoms->Value(Index);
}

    Standard_Integer  IGESDimen_GeneralSymbol::NbLeaders () const
{
  return (theLeaders.IsNull() ? 0 : theLeaders->Length());
}

    Handle(IGESDimen_LeaderArrow)  IGESDimen_GeneralSymbol::LeaderArrow
  (const Standard_Integer Index) const
{
  return theLeaders->Value(Index);
}