qsedatareference.h

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#ifndef QSEDATAREFERENCE_H
#define QSEDATAREFERENCE_H

#include <qwt_data.h>

class QseDataSet;
class QseColumn;

class QseDataReference : public QwtData
{
 public:
  QseDataReference(const QseDataSet *ds, int scan, int xcol, int ycol, int normcol=-1);

  size_t size() const;
  double x(size_t i) const;
  double y(size_t i) const;

  QseDataReference* copy() const;

 private:
  const QseDataSet    *m_DataSet;
  int                  m_Scan;
  int                  m_XCol;
  int                  m_YCol;
  int                  m_NormCol;
  const QseColumn     *m_XData;
  const QseColumn     *m_YData;
  const QseColumn     *m_NormData;
};

#endif

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