import nl.idgis.giclient.gis.TimeRange;
/*----------------    FILE HEADER ---------------------------------------
 This file is part of Geoide.
 Copyright (C) 2005-2006 by:
 IDgis B.V.
 http://www.idgis.nl

 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.

 This library 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
 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA

 Contact:

 Herman Assink
 IDgis bv
 P.O. Box 15
 7450 AA Holten
 The Netherlands
 E-Mail: herman.assink@idgis.nl

 * @version 1.4.0
 * @author IDgis team
 * 
 ------------------------------------------------------------------------*/

class nl.idgis.giclient.gis.TimeRangeScale extends TimeRange {
    private var timeScale:Number = null;
    private var fps:Number = null;

    function TimeRangeScale(begin:Date, end:Date, timeScale:Number, fps:Number) {
    	super(begin, end);
    	this.timeScale = timeScale;
    	this.fps = fps;
    }

    function setTimeScale(timeScale:Number) {
    	this.timeScale = timeScale;
    }

    function getTimeScale():Number {
    	return this.timeScale;
    }
    
    function setFPS(fps:Number){
    	this.fps = fps;
    }
    
    function getFPS():Number {
    	return this.fps;
    }
    
    function calculateAnimationDuration():Number{
    	var duration:Number = 0;
    	if(begin!=null && end!=null){
    		duration = (Number(end) - Number(begin))/(1000 * timeScale);
    	} else {
    		duration = null;
    	}	
    	return duration;
    }
    
    function calculatetimeScale(duration:Number):Number{
		var ts:Number = 0;
		ts = (Number(end) - Number(begin))/(duration * 1000);
		return ts;
    }
    
    function getNumberOfAnimationFrames():Number{
		var numberOfFrames = fps * (calculateAnimationDuration());
		return numberOfFrames;
    }
    
}