plotgenerator.h

//
// author Kazys Stepanas
//
// Copyright (c) CSIRO 2015
//
#ifndef PLOTGENERATOR_H_
#define PLOTGENERATOR_H_

#include "ocurvesconfig.h"

#include <QThread>

#include <QDir>
#include <QList>
#include <QRgb>
#include <QString>
#include <QStringList>
#include <QVector>
#include <QPointF>

class QMutex;
class QwtPlotCurve;
class QwtPointSeriesData;
class PlotExpression;

class Curves;
class FileHandle;
class PlotFile;
class PlotExpression;
class PlotInstance;

class PlotGenerator : public QThread
{
  Q_OBJECT
public:
  enum ControlFlag
  {
    None = 0,
    RelativeTime = (1 << 0)
  };

  PlotGenerator(Curves *curves);

  virtual ~PlotGenerator();

  inline const Curves *curves() const { return _curves; }

  void setTimeColumn(uint number);

  uint timeColumn() const;

  void setTimeScale(double scale);

  double timeScale() const;

  void setControlFlags(uint flags);

  void setControlFlags(uint flags, bool on);

  uint controlFlags() const;

  void quit() { _abortFlag = true; }

  virtual inline bool isFileLoad() const { return false; }

public slots:
  void abortLoad();

signals:
  void itemName(const QString &name);

  void itemProgress(int current);

  void overallProgress(int current, int total);

  void beginNewCurves();

  void endNewCurves();

  void loadComplete(int curveCount);

protected:
  Curves *_curves;                      
  QMutex *_dataMutex;                   
  uint _controlFlags;                   
  uint _timeColumn;                     
  double _timeScale;                    
  bool _abortFlag;                      
};

#endif // PLOTGENERATOR_H_