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#ifndef _INCREMENTALPLOT_H_
#define _INCREMENTALPLOT_H_ 1
#include <qwt_array.h>
#include <qwt_plot.h>
class QwtPlotCurve;
class CurveData
{
// A container class for growing data
public:
CurveData();
void append(double *x, double *y, int count);
int count() const;
int size() const;
const double *x() const;
const double *y() const;
private:
int d_count;
QwtArray<double> d_x;
QwtArray<double> d_y;
};
class IncrementalPlot : public QwtPlot
{
Q_OBJECT
public:
IncrementalPlot(QWidget *parent = NULL);
virtual ~IncrementalPlot();
void appendData(double x, double y);
void appendData(double *x, double *y, int size);
void removeData();
private:
CurveData *d_data;
QwtPlotCurve *d_curve;
};
#endif // _INCREMENTALPLOT_H_
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