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/**
* ***** 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 *****
*/
#include "GlutDrawer.h"
#include "MT_assert.h"
MEM_SmartPtr<GlutDrawManager> GlutDrawManager::m_s_instance = MEM_SmartPtr<GlutDrawManager>();
GlutDrawManager *
GlutDrawManager::
Instance(
){
if (m_s_instance == NULL) {
m_s_instance = new GlutDrawManager();
}
return m_s_instance;
}
// this is the function you should pass to glut
void
GlutDrawManager::
Draw(
){
GlutDrawManager *manager = GlutDrawManager::Instance();
if (manager->m_drawer != NULL) {
manager->m_drawer->Draw();
}
}
void
GlutDrawManager::
InstallDrawer(
GlutDrawer * drawer
){
MT_assert(m_drawer == NULL);
m_drawer = drawer;
}
void
GlutDrawManager::
ReleaseDrawer(
){
m_drawer = NULL;
}
GlutDrawManager::
~GlutDrawManager(
){
delete(m_drawer);
}
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