// Created on: 1996-12-23
// Created by: Alexander BRIVIN and Dmitry TARASOV
// 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.

#ifndef _Vrml_HeaderFile
#define _Vrml_HeaderFile

#include "Standard.hxx"
#include "Standard_DefineAlloc.hxx"
#include "Standard_Handle.hxx"

#include "Standard_OStream.hxx"
#include "Standard_CString.hxx"

//! Vrml package implements the specification of the
//! VRML (Virtual Reality Modeling Language ). VRML
//! is a standard language for describing interactive
//! 3-D objects and worlds delivered across Internet.
//! Actual version of Vrml package have made for objects
//! of VRML version 1.0.
//! This package is used by VrmlConverter package.
//! The developer should already be familiar with VRML
//! specification before using this package.
class Vrml
{
public:
  DEFINE_STANDARD_ALLOC

  //! Writes a header in anOStream (VRML file).
  //! Writes one line of commentary in anOStream (VRML file).
  Standard_EXPORT static Standard_OStream& VrmlHeaderWriter(Standard_OStream& anOStream);

  Standard_EXPORT static Standard_OStream& CommentWriter(const char* const aComment,
                                                         Standard_OStream& anOStream);
};

#endif // _Vrml_HeaderFile