LinearTransform.h

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/* -*- mode: c++ -*- */

#ifndef _LinearTransform_H_
#define _LinearTransform_H_

#include "UnaryTransform.h"

namespace hippodraw {

class AxisModelBase;
class AxisTick;

class MDL_HIPPOPLOT_API LinearTransform : public UnaryTransform
{
private:

  std::vector < AxisTick > m_ticks;

void setFirstTick( AxisModelBase & );
  void setTickStep( AxisModelBase & );
  const std::vector < AxisTick > &  
  genTicks ( AxisModelBase & );

public:

  LinearTransform ();

  LinearTransform ( const LinearTransform & );

  virtual ~LinearTransform();

#ifdef CLONE_DEFECT
  virtual TransformBase *   clone () const;
#else
  virtual LinearTransform * clone () const;
#endif

  bool isLinear () const;

  virtual void transform ( double & x ) const;

  virtual void inverseTransform ( double & x ) const;

  virtual void transform ( std::vector< double > & x ) const;

  virtual void  validate ( Range & ) const;
  
  virtual const std::vector < AxisTick > &
  setTicks ( AxisModelBase & axis );

  virtual const Range & adjustValues ( AxisModelBase & axis,
                                       const Range & limit );
  
};

} // namespace hippodraw

#endif // _LinearTransform_H_