00001 /***************************************************************************** 00002 * var_percent.cpp 00003 ***************************************************************************** 00004 * Copyright (C) 2003 the VideoLAN team 00005 * $Id: var_percent.cpp 11786 2005-07-18 23:57:41Z asmax $ 00006 * 00007 * Authors: Cyril Deguet <[email protected]> 00008 * Olivier Teulière <[email protected]> 00009 * 00010 * This program is free software; you can redistribute it and/or modify 00011 * it under the terms of the GNU General Public License as published by 00012 * the Free Software Foundation; either version 2 of the License, or 00013 * (at your option) any later version. 00014 * 00015 * This program is distributed in the hope that it will be useful, 00016 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00017 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00018 * GNU General Public License for more details. 00019 * 00020 * You should have received a copy of the GNU General Public License 00021 * along with this program; if not, write to the Free Software 00022 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. 00023 *****************************************************************************/ 00024 00025 #include "var_percent.hpp" 00026 00027 00028 const string VarPercent::m_type = "percent"; 00029 00030 00031 void VarPercent::set( float percentage ) 00032 { 00033 if( percentage < 0 ) 00034 { 00035 percentage = 0; 00036 } 00037 if( percentage > 1 ) 00038 { 00039 percentage = 1; 00040 } 00041 00042 // If the value has changed, notify the observers 00043 if( m_value != percentage ) 00044 { 00045 m_value = percentage; 00046 notify(); 00047 } 00048 } 00049