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/*
Copyright ( C ) 2003 Arnold Krille <arnold@arnoldarts.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation;
version 2 of the License.
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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef ARTS_KLEVELMETER_TEMPLATE_H
#define ARTS_KLEVELMETER_TEMPLATE_H
#include <qwidget.h>
#include <math.h>
#include "dbvolcalc.h"
#include "klevelmeter_impl.h"
class KLevelMeter_Template : public QWidget, public dB2VolCalc {
Q_OBJECT
public:
Arts::KLevelMeter_impl* _impl;
KLevelMeter_Template( Arts::KLevelMeter_impl* impl, QWidget* p, long /*substyle*/, long count, Arts::Direction dir, float _dbmin, float _dbmax )
: QWidget( p )
, dB2VolCalc( _dbmin, _dbmax )
, _impl( impl )
, _count( count )
, nilline( 3/4.0 )
, _dir( dir )
{}
virtual void invalue( float, float =0 ) =0;
virtual void substyle( long ) {}
virtual long substyle() { return 0; }
virtual void count( long ) {}
virtual long count() { return 0; }
long _count;
void direction( Arts::Direction dir ) { _dir = dir; }
Arts::Direction direction() { return _dir; }
float nilline;
/// Gives the colors between green and red
QColor color( float n ) {
return QColor( int( ( n<=nilline )?255*( 1/nilline )*n:255 ),
int( ( n<=1 && n>nilline )?255-255*( 1/nilline )*( n-nilline ):( ( n>1 )?0:255 ) ),
0 );
}
protected:
Arts::Direction _dir;
};
#endif
// vim: sw=4 ts=4
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