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71 lines
2.0 KiB
71 lines
2.0 KiB
/*
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Copyright ( C ) 2003 Arnold Krille <arnold@arnoldarts.de>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation;
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version 2 of the License.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef ARTS_KLEVELMETER_TEMPLATE_H
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#define ARTS_KLEVELMETER_TEMPLATE_H
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#include <tqwidget.h>
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#include <math.h>
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#include "dbvolcalc.h"
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#include "klevelmeter_impl.h"
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class KLevelMeter_Template : public TQWidget, public dB2VolCalc {
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TQ_OBJECT
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public:
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Arts::KLevelMeter_impl* _impl;
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KLevelMeter_Template( Arts::KLevelMeter_impl* impl, TQWidget* p, long /*substyle*/, long count, Arts::Direction dir, float _dbmin, float _dbmax )
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: TQWidget( p )
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, dB2VolCalc( _dbmin, _dbmax )
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, _impl( impl )
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, _count( count )
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, nilline( 3/4.0 )
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, _dir( dir )
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{}
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virtual void invalue( float, float =0 ) =0;
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virtual void substyle( long ) {}
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virtual long substyle() { return 0; }
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virtual void count( long ) {}
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virtual long count() { return 0; }
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long _count;
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void direction( Arts::Direction dir ) { _dir = dir; }
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Arts::Direction direction() { return _dir; }
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float nilline;
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/// Gives the colors between green and red
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TQColor color( float n ) {
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return TQColor( int( ( n<=nilline )?255*( 1/nilline )*n:255 ),
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int( ( n<=1 && n>nilline )?255-255*( 1/nilline )*( n-nilline ):( ( n>1 )?0:255 ) ),
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0 );
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}
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protected:
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Arts::Direction _dir;
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};
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#endif
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