zq_curve.hpp

/* zq_curve.hpp */
/* $Id: zq_curve.hpp,v 1.5 2008/04/24 11:29:54 vlad Exp $ */
#ifndef __zq_curve_hpp
#define __zq_curve_hpp

#include <vector>

#include <qpen.h>
#include <qpointarray.h>

#include "zq_view.hpp"
#include "zqb_natgroup.hpp"
#include "zd_function.hpp"
#include "zd_real_func.hpp"


class ZqCurve : public ZqView
{
public:

  enum Interpolation {
    BarGraph = -1,  
    StepCurve = 0,  
    LinearCurve = 1 
  };

  ZqCurve (ZqbNatGroup& rNatArg, ZqbNatGroup& rNatFunc,
       const char* szName = NULL);

  ZqCurve (ZqbNatGroup& rNatArg, ZqbNatGroup& rNatFunc,
       ZqbPlaceholder* pPh, const char* szName = NULL);


  ZqbNatGrpMember   m_Arg;

  ZqbNatGrpMember   m_Func;


  /*
   *  Run-time type identification facility
   */

  virtual bool      compatibleDoc (const ZdDocument* pDoc) const;


  /*
   *  Data access
   */

  virtual void      attachData (ZdFunction* pData,
                    ZdFuncArgDir eArgDir);

  virtual void      detachDoc ();

  virtual ZdFunction*   data ();

  virtual ZdFuncArgDir  argDir () const;

  virtual double    x (int i);

  virtual double    y (int i);

  virtual void      xMinMax (double mm[2]);

  virtual void      yMinMax (double mm[2]);


  /*
   *  Properties
   */

  virtual void      setPen (const QPen& pen);

  virtual const QPen&   getPen () const;

  virtual QPen&     pen ();


  virtual void      setInterpolation (int interp);

  virtual int       getInterpolation () const;


  virtual void      setAutoSort (bool bSortFlag);

  virtual bool      getAutoSort () const;


  virtual void      setBaseLevel (double fBase);

  virtual double    getBaseLevel () const;


  virtual void      setBarSpace (double fArgDelta);

  virtual double    getBarSpace () const;


  /*
   *  Polymorphic methods
   */

  virtual void      redraw (QPainter& paint);

protected:

  void          addSegment (double x[2], double y[2],
                    double rx[2], double ry[2]);

  void          addPoint (double x, double y,
                  double rx[2], double ry[2]);

  void          addBar (double x[2], double y[2],
                double rx[2], double ry[2]);

  QPen          m_qPen;

  int           m_iInterpolation;

  bool          m_bAutoSort;

  ZdFuncArgDir      m_eArgDir;

  QPointArray       m_Nodes;

  std::vector<bool> m_Linked;

  ZdRealFunc        *m_zdFuncSorted;

  double        m_fBaseFuncLevel;

  double        m_fSpaceBetweenBars;

private:

  static int    s_iNameCounter;

};


#include "zq_curve_inline.hpp"


#endif /* zq_curve.hpp */