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#ifndef FFT_DISPLAY_H
#define FFT_DISPLAY_H
#include <gr_complex.h>
#include <vector>
#include <qwidget.h>
#include <qwt_plot.h>
#include <qevent.h>
class fft_display_event:public QCustomEvent{
public:
fft_display_event(std::vector<gr_complex>*, const float, const float);
~fft_display_event();
const std::vector<gr_complex>& get_fft_data()const;
float get_start_frequency()const;
float get_stop_frequency()const;
static const int EVENT_TYPE_ID;
protected:
private:
std::vector<gr_complex> d_fft_data;
float d_start_frequency;
float d_stop_frequency;
};
class fft_display:public QwtPlot{
Q_OBJECT
public:
fft_display(const unsigned int, QWidget* = ((QWidget*)0));
virtual ~fft_display();
virtual void customEvent(QCustomEvent*);
void set_start_frequency(const float);
float get_start_frequency()const;
void set_stop_frequency(const float);
float get_stop_frequency()const;
unsigned int get_fft_bin_size()const;
public slots:
virtual void set_data( const std::vector<gr_complex>& );
virtual void update_display();
protected:
private:
std::vector<gr_complex>* d_fft_data;
double* d_plot_data;
double* d_x_data;
unsigned int d_fft_bin_size;
float d_start_frequency;
float d_stop_frequency;
};
#endif /* FFT_DISPLAY_H */
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