38 lines
921 B
C++
38 lines
921 B
C++
/*****************************************************************************
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* Qwt Examples
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* Copyright (C) 1997 Josef Wilgen
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* Copyright (C) 2002 Uwe Rathmann
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*
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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 Qwt License, Version 1.0
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*****************************************************************************/
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#pragma once
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#include <QwtPlot>
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class QwtPlotCurve;
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class QwtPlotMarker;
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class Plot : public QwtPlot
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{
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Q_OBJECT
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public:
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Plot( QWidget* parent );
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public Q_SLOTS:
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void setDamp( double damping );
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private:
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void showData( const double* frequency, const double* amplitude,
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const double* phase, int count );
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void showPeak( double freq, double amplitude );
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void show3dB( double freq );
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QwtPlotCurve* m_curve1;
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QwtPlotCurve* m_curve2;
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QwtPlotMarker* m_marker1;
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QwtPlotMarker* m_marker2;
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};
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