// Copyright (c) 2013-2014 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 _DsgPrs_DatumPrs_H__
#define _DsgPrs_DatumPrs_H__

#include <gp_Ax2.hxx>
#include <Prs3d_Drawer.hxx>
#include <Prs3d_Presentation.hxx>
#include <Prs3d_Root.hxx>

//! A framework for displaying an XYZ trihedron.
class DsgPrs_DatumPrs : public Prs3d_Root
{
public:

  DEFINE_STANDARD_ALLOC

  //! Draw XYZ axes at specified location with attributes defined by the attribute manager theDrawer:
  //! - Prs3d_DatumAspect defines arrow, line and lenght trihedron axis parameters,
  //! - Prs3d_TextAspect defines displayed text.
  //! The thihedron origin and axis directions are defined by theDatum coordinate system.
  //! DsgPrs_XYZAxisPresentation framework is used to create graphical primitives for each axis.
  //! Axes are marked with "X", "Y", "Z" text.
  //! @param thePresentation [out] the modified presentation
  //! @param theDatum [in] the source of trihedron position
  //! @param theDrawer [in] the provider of display attributes
  Standard_EXPORT static void Add (const Handle(Prs3d_Presentation)& thePresentation, const gp_Ax2& theDatum,
                                   const Handle(Prs3d_Drawer)& theDrawer);

};
#endif