var_percent.cpp
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上传日期:2009-03-27
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- /*****************************************************************************
- * var_percent.cpp
- *****************************************************************************
- * Copyright (C) 2003 VideoLAN
- * $Id: var_percent.cpp 6961 2004-03-05 17:34:23Z sam $
- *
- * Authors: Cyril Deguet <asmax@via.ecp.fr>
- * Olivier Teuli鑢e <ipkiss@via.ecp.fr>
- *
- * 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- *****************************************************************************/
- #include "var_percent.hpp"
- const string VarPercent::m_type = "percent";
- VarPercent::VarPercent( intf_thread_t *pIntf ): Variable( pIntf ), m_value( 0 )
- {
- }
- void VarPercent::set( float percentage )
- {
- if( percentage < 0 )
- {
- percentage = 0;
- }
- if( percentage > 1 )
- {
- percentage = 1;
- }
- // If the value has changed, notify the observers
- if( m_value != percentage )
- {
- m_value = percentage;
- notify();
- }
- }