filter.cpp

/***************************************************************************
                        filter.cpp  -  description
                            -------------------
    begin                : july 2nd, 2006
    copyright            : (C) 2006 by Frédéric RODRIGO
    email                : f.rodrigo free.fr
    
    $Id: filter.cpp 83 2006-11-05 20:46:42Z neoneurone $
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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     *
 *   any later version.                                                    *
 *                                                                         *
 ***************************************************************************/

#include "filter.h"

namespace MapGen
{

   /*=====================================================================*/
Filter::Filter()
{
    MAP_DEBUG( "ctor" );
}


   /*=====================================================================*/
Filter::~Filter()
{
    MAP_DEBUG( "dtor" );
}


   /*=====================================================================*/
void Filter::apply( Map* map )
{
}


   /*=====================================================================*/
void Filter::_getMinMax(
    const Map* map,
    float* min,
    float* max )
{
    *min = *max = map->getAt( 0, 0 );
    
    for( uint x=0 ; x<map->getW() ; ++x )
        for( uint y=0 ; y<map->getH() ; ++y )
        {
            float val = map->getAt( x, y );
            if( val < *min )
                *min = val;
            if( val > *max )
                *max = val;
        }
}

}

---