qt_demoe/qwtdemo/examples/bode/plot.h

32 lines
567 B
C++

#ifndef _PLOT_H_
#define _PLOT_H_
#include <qwt_plot.h>
class QwtPlotCurve;
class QwtPlotMarker;
class Plot: public QwtPlot
{
Q_OBJECT
public:
Plot( QWidget *parent );
public Q_SLOTS:
void setDamp( double damping );
private:
void showData( const double *frequency, const double *amplitude,
const double *phase, int count );
void showPeak( double freq, double amplitude );
void show3dB( double freq );
QwtPlotCurve *d_curve1;
QwtPlotCurve *d_curve2;
QwtPlotMarker *d_marker1;
QwtPlotMarker *d_marker2;
};
#endif