point_series_xy.h

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/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */
 
#ifndef POINT_SERIES_H
#define POINT_SERIES_H
 
#include "timeseries_qwt.h"
 
class PointSeriesXY : public QwtTimeseries
{
public:
  PointSeriesXY(const PlotData* x_axis, const PlotData* y_axis);
 
  virtual QPointF sample(size_t i) const override
  {
    const auto& p = _cached_curve.at(i);
    return QPointF(p.x, p.y);
  }
 
  size_t size() const override;
 
  std::optional<QPointF> sampleFromTime(double t) override;
 
  RangeOpt getVisualizationRangeY(Range range_X) override;
 
  void updateCache(bool reset_old_data) override;
 
  RangeOpt getVisualizationRangeX() override;
 
  const PlotData* dataX() const
  {
    return _x_axis;
  }
  const PlotData* dataY() const
  {
    return _y_axis;
  }
 
  const PlotDataXY* plotData() const override
  {
    return &_cached_curve;
  }
 
protected:
  const PlotData* _x_axis;
  const PlotData* _y_axis;
  PlotDataXY _cached_curve;
};
 
#endif  // POINT_SERIES_H