plot_background.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 PLOT_BACKGROUND_H
#define PLOT_BACKGROUND_H
 
#include <QBrush>
#include "qwt_plot_zoneitem.h"
 
#include "PlotJuggler/plotdata.h"
#include "color_map.h"
 
class BackgroundColorItem : public QwtPlotItem
{
public:
  BackgroundColorItem(const PJ::PlotData& data, QString colormap_name);
 
  virtual ~BackgroundColorItem() override = default;
 
  void setTimeOffset(double* time_offset)
  {
    _time_offset = time_offset;
  }
 
  int rtti() const override
  {
    return QwtPlotItem::Rtti_PlotZone;
  }
 
  virtual void draw(QPainter* painter, const QwtScaleMap&, const QwtScaleMap&,
                    const QRectF& canvasRect) const override;
 
  virtual QRectF boundingRect() const override;
 
  QString colormapName() const
  {
    return _colormap_name;
  }
 
  QString dataName() const
  {
    return _data_name;
  }
 
private:
  const PJ::PlotData& _data;
  QString _data_name;
  QString _colormap_name;
  double* _time_offset = nullptr;
};
 
#endif  // PLOT_BACKGROUND_H