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51 lines
1.7 KiB
51 lines
1.7 KiB
/***************************************************************************
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Graphical spline display for equalizer
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(c) 2004 Mark Kretschmann <markey@web.de>
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Based on code from XMMS
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(c) 1998-2000 Peter Alm, Mikael Alm, Olle Hallnas, Thomas Nilsson and 4Front Technologies
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef AMAROK_ETQUALIZERGRAPH_H
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#define AMAROK_ETQUALIZERGRAPH_H
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#include <tqwidget.h> //baseclass
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class TQPixmap;
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class EqualizerGraph : public TQWidget
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{
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public:
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EqualizerGraph( TQWidget* parent );
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~EqualizerGraph();
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TQSize tqsizeHint() const;
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protected:
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void resizeEvent( TQResizeEvent* );
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void paintEvent( TQPaintEvent* );
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private:
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static const int NUM_BANDS = 10;
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void drawBackground();
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void init_spline( float* x, float* y, int n, float* y2 );
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float eval_spline( float xa[], float ya[], float y2a[], int n, float x );
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TQPixmap* m_backgroundPixmap;
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TQPixmap* m_composePixmap;
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};
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#endif /*AMAROK_ETQUALIZERGRAPH_H*/
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