ZScaledPalette.H

/* ZScaledPalette.H */
/* $Id: ZScaledPalette.H,v 1.7 2005/09/28 09:59:53 vlad Exp $ */
#ifndef __ZScaledPalette_H
#define __ZScaledPalette_H

#include <zm/ZBase.H>
#include <zm/ZPalette.H>


class ZScaledPalette : public ZPalette
{
public:

  ZScaledPalette (const ZConnect& zconnect);

  ZScaledPalette (const ZPalette& zpal);

  ZScaledPalette (const ZScaledPalette& zpal);

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

  unsigned  coord_to_index (float coord) const;

  void      index_to_coord_range (unsigned index,
                      float coord[2]) const;

  void      get_scale (FloatAr& scale);

  ColorPixel    color (float coord) const;

  const char*   color_name (float coord) const;

  ColorPixel&   fetch_color (float coord);
  ColorPixel&   operator[] (float coord)
    {return fetch_color(coord);}

  virtual void  remove_color (float coord);

  /*
   * automatic scaling tools
   */

  void      scale_assign (const FloatAr& scale);

  void      scale_equal_range (float mm[2]);

  /*
   * Overloaded to provide synchronous add/insert/remove operations
   * on two arrays
   */
  virtual void  add_color (ColorPixel theColorPixel);
  virtual void  insert_color (unsigned index,
                  ColorPixel theColorPixel);
  virtual void  remove_color (unsigned index);
  virtual void  reset_colors ();

  virtual void  revert_order ();

protected:

  FloatAr   rb; 
};


#endif /* ZScaledPalette.H */