VerScale.H

// VerScale.H       $Revision: 1.4 $    $Date: 1998/05/13 15:59:24 $ 

#if !defined __VerScale_H

#define __VerScale_H


#include <zm/Scaler.H>
#include <zm/XDR.H>


#define versStartBorder     5
#define versScaleIndent     3
#define versMarkHeight      5
#define versFreqMarkHeight  2
#define versMarkToLabel     2


/*************************************************************
 * Ver Scale as visual and mathematic object
 *************************************************************/

class VerScale : public XDR, public Scaler
{
protected:

  int   border;

  unsigned  markFreq;
  float labelStep;

  void  draw_ruler ();
  void  draw_labels ();

  // Compute max width of scale
  void  compute_width ();

public:

  VerScale (const XDO& xdo);
  virtual ~VerScale ();

  void  set_border (int w);

  virtual void  set_mark_freq (unsigned mark_freq);
  virtual void  set_label_step (float label_step);
  float     get_label_step () const  {return labelStep;};
  virtual void  set_range (float v_left, float v_right);
  virtual void  set_width (int w);
  virtual void  set_height (int h);
  virtual void  set_xy (int x, int y);
  virtual void  set_font (const char* szFontName);

  virtual void  draw_grid (XDR& rect);

  virtual void  expose ();
};


#endif  // VerScale.H