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exotkAIS_GraphicDevice.cxx

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//   exotkAIS_GraphicDevice.cxx
//    Copyright (C) 2001  Stephane Routelous
//
//    This file is part of exoTK.
//
//    exoTK is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    exoTK is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with exoTK; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#include <exotkAIS_GraphicDevice.hxx>

#ifdef WNT
#ifndef _Graphic3d_WNTGraphicDevice_HeaderFile
#include <Graphic3d_WNTGraphicDevice.hxx>
#endif
#else
#ifndef _Graphic3d_GraphicDevice_HeaderFile
#include <Graphic3d_GraphicDevice.hxx>
#endif
#endif
exotkAIS_GraphicDevice* exotkAIS_GraphicDevice::_instance = 0;


//==================================================================================
// Function name        : exotkAIS_GraphicDevice::exotkAIS_GraphicDevice
//==================================================================================
// Written by       : Stephane Routelous - 2001-11-07 19:16:10
// Description      : 
// Return type          : 
//==================================================================================
exotkAIS_GraphicDevice::exotkAIS_GraphicDevice()
{
}


//==================================================================================
// Function name        : exotkAIS_GraphicDevice::~exotkAIS_GraphicDevice
//==================================================================================
// Written by       : Stephane Routelous - 2001-11-07 19:16:11
// Description      : 
// Return type          : 
//==================================================================================
exotkAIS_GraphicDevice::~exotkAIS_GraphicDevice()
{
}

//==================================================================================
// Function name        : exotkAIS_GraphicDevice::Instance
//==================================================================================
// Written by       : Stephane Routelous - 2001-11-07 19:16:13
// Description      : 
// Return type          : exotkAIS_GraphicDevice* 
//==================================================================================
exotkAIS_GraphicDevice* exotkAIS_GraphicDevice::Instance()
{
        if (_instance == 0)
        {
                _instance = new exotkAIS_GraphicDevice();
        }
        return _instance;
}

//==================================================================================
// Function name        : exotkAIS_GraphicDevice::GetGraphicDevice
//==================================================================================
// Written by       : Stephane Routelous - 2001-11-07 19:16:17
// Description      : 
// Return type          : Handle_Aspect_GraphicDevice& 
//==================================================================================
Handle_Aspect_GraphicDevice& exotkAIS_GraphicDevice::GetGraphicDevice()
{
        if (myGraphicDevice.IsNull())
        {
                CreateGraphicDevice();
        }
        return myGraphicDevice;
}

//==================================================================================
// Function name        : exotkAIS_GraphicDevice::CreateGraphicDevice
//==================================================================================
// Written by       : Stephane Routelous - 2001-11-07 19:16:15
// Description      : 
// Return type          : void 
//==================================================================================
void exotkAIS_GraphicDevice::CreateGraphicDevice()
{
        try
        {
#ifdef WNT
                myGraphicDevice = new Graphic3d_WNTGraphicDevice();
#else
                myGraphciDevice = new Graphic3d_GraphicDevice("");
#endif
        }
        catch (Standard_Failure) 
        {
        }
        catch (...)
        {
        }
}

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