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/**
* $Id$
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef NAN_INCLUDED_GlutDrawer
#define NAN_INCLUDED_GlutDrawer
#include "MEM_NonCopyable.h"
#include "MEM_SmartPtr.h"
// So pissed off with Glut callback stuff
// that is impossible to call objects unless they are global
// inherit from GlutDrawer and installl the drawer in the singleton
// class GlutDrawManager.
class GlutDrawer {
public :
virtual
void
Draw(
)= 0;
virtual
~GlutDrawer(
){};
};
class GlutDrawManager : public MEM_NonCopyable{
public :
static
GlutDrawManager *
Instance(
);
// this is the function you should pass to glut
static
void
Draw(
);
void
InstallDrawer(
GlutDrawer *
);
void
ReleaseDrawer(
);
~GlutDrawManager(
);
private :
GlutDrawManager (
) :
m_drawer (0)
{
};
GlutDrawer * m_drawer;
static MEM_SmartPtr<GlutDrawManager> m_s_instance;
};
#endif
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