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1 | // %flair:license{
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2 | // This file is part of the Flair framework distributed under the
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3 | // CECILL-C License, Version 1.0.
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4 | // %flair:license}
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5 | #ifndef SCOPE_H_INCLUDED
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6 | #define SCOPE_H_INCLUDED
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7 |
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8 | #include <qwt_plot.h>
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9 | #include <QPen>
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10 |
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11 | class ScrollBar;
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12 | class QwtPlotCurve;
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13 | class QwtPlotItem;
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14 | class QMouseEvent;
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15 |
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16 | class Scope: public QwtPlot {
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17 | Q_OBJECT
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18 |
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19 | public:
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20 | Scope(QString title,float ymin, float ymax,float view_size_s=20,unsigned int refresh_rate_ms=40,unsigned int history_size=20000);
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21 | ~Scope();
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22 | int addCurve(QPen pen,QString legend);
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23 | void resetXView(void);
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24 | void resetYView(void);
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25 |
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26 | protected:
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27 | struct Curve {
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28 | QwtPlotCurve* plot;
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29 | double* data_x;
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30 | double* data_y;
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31 | unsigned int index;
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32 | unsigned int min_index;
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33 | unsigned int max_index;
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34 | };
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35 | QList<Curve*> curves;
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36 | float elapsed_time_s;
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37 |
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38 | void updateCurve(Curve* curve);
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39 | bool eventFilter(QObject *, QEvent *);
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40 |
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41 | private:
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42 | float ymin,ymax;
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43 | float view_size_s,orig_view_size_s;
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44 | unsigned int history_size;
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45 | ScrollBar* scrollbar;
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46 | bool scrolling;
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47 | float min_scroll,max_scroll;
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48 |
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49 | void alignScales(void);
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50 | void showCurve(QwtPlotItem *item, bool on);
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51 | void computeMinIndex(Curve* curve,float displayed_min_time);
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52 | void computeMaxIndex(Curve* curve,float displayed_max_time);
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53 | void changeViewSize(float new_view_size_s);
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54 |
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55 | private slots:
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56 | void legendChecked(const QVariant &itemInfo, bool on );
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57 | void scrollBarMoved(Qt::Orientation o, float min, float max);
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58 | };
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59 |
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60 |
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61 | #endif // SCOPE_H_INCLUDED
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