BinnerAxis.h

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/* -*- mode: c++; -*- */
#ifndef _BinnerAxis_H_
#define _BinnerAxis_H_

#include "axes/Range.h"

#include <string>

class MDL_HIPPOPLOT_API BinnerAxis
{

private:

  const std::string m_name;

  mutable bool m_dragging;

  virtual int getNob ( double width ) const= 0;

  virtual int getNob (const Range & range ) const = 0;

protected:

  static int s_num_bins;

  static double s_bin_factor;

  int m_num_bins;

  Range m_range;

  double m_offset;

  double m_width;

  std::vector< double > m_bin_edges;
  
  mutable Range m_range_start;

  mutable double m_width_start;

  BinnerAxis ( const BinnerAxis & binner );

  BinnerAxis ( const char * name );

 public:

  virtual ~BinnerAxis();
  
  virtual BinnerAxis * clone() = 0;

  const std::string & name () const;

  virtual bool hasEqualWidths () const;

  double axisGetLow() const;

  double axisGetHigh() const;

  const Range & getRange() const;

  int axisNumberOfBins () const;

  virtual double getConstWid ( ) const = 0;

  virtual double getBinWidth ( ) const = 0;

  virtual void axisSetNumberOfBins( int nb ) = 0;

  virtual int axisBinNumber ( double x ) const = 0;

  virtual double getCoordinate ( int i ) const = 0;

  virtual double axisBinWidth ( int i ) const = 0;

  virtual const std::vector< double > & binEdges ();
  
  // These functions have been restructured so that setRange takes
  // only a new range as an argument and setBinWidth takes only a
  // new width (const parameter).

  virtual const Range & setBinWidth ( double width ) = 0;

  virtual double calcBinWidth ( int parm, bool dragging ) const = 0;

  virtual double calcOffset ( int parm, bool dragging ) const = 0;

  virtual double getOffset () const = 0;

  virtual const void setOffset ( double offset ) = 0;

  virtual const Range & setRange ( const Range &,
                                   bool hold_width = true ) = 0;

  virtual double scaleFactorWid ( ) = 0;

  void setStartRange ( bool dragging ) const;

  void setStartWidth ( bool dragging ) const;

};

#endif // _BinnerAxis_H_

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