zqb_scaled_palette.hpp

/* zqb_scaled_palette.hpp */
/* $Id: zqb_scaled_palette.hpp,v 1.5 2006/02/13 12:23:58 vlad Exp $ */
#ifndef __zqb_scaled_palette_hpp
#define __zqb_scaled_palette_hpp

#include "zqb_palette.hpp"


class ZqbScaledPalette : public ZqbPalette
{
public:

  ZqbScaledPalette (const QColor& c = Qt::black);

  ZqbScaledPalette (int n, const QColor& c1, const QColor& c2);

  ZqbScaledPalette (int n, const QColor& c1,
            const QColor& c2, const QColor& c3);

  ZqbScaledPalette (const ZqbScaledPalette& zscpal);

  ZqbScaledPalette (const ZqbPalette& zpal);


  ZqbScaledPalette& operator= (const ZqbScaledPalette& zscpal);

  ZqbScaledPalette& operator= (const ZqbPalette& zpal);


  /*
   *  Access to colors by floating number coordinate
   */

  virtual int   colorIndex (double coord) const;

  virtual void  coordRange (int index, double coord[2]) const;

  virtual const QColor& color (double coord) const;

  const QColor& operator() (double coord) const {
    return color(coord);
  }


  /*
   *  Coordinate to color transformation definition
   */

  virtual void  setRange (double lowi, double highi);

  virtual void  setRange (double lh[2]) {
    setRange(lh[0], lh[1]);
  }

  virtual void  getRange (double lh[2]) const;

protected:

  double    m_fRange[2];

};


#endif /* zqb_scaled_palette.hpp */