ImageInformation.hh

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/*
 * class ImageInformation
 *
 * $Date$
 * $Revision$
 *
 */

#ifndef IMAGE_INFORMATION_HH__
#define IMAGE_INFORMATION_HH__

#include "WImage/CoeffInformation.hh"
#include "WImage/Image.hh"

typedef
bool (*cipredicate) (const CoeffInformation *c1, const CoeffInformation *c2);

#define PII_YPOS(info,pos)  (((info)->at (pos)).ypos ())
#define PII_XPOS(info,pos)  (((info)->at (pos)).xpos ())
#define PII_XYPOS(info,pos) (((info)->at (pos)).xypos ())
#define II_YPOS(info,pos)   (((info).at (pos)).ypos ())
#define II_XPOS(info,pos)   (((info).at (pos)).xpos ())
#define II_XYPOS(info,pos)  (((info).at (pos)).xypos ())

class
ImageInformation
{
public:
  ImageInformation (int size = 0);
  ImageInformation (Image &img);
  ~ImageInformation (void);
  inline int size (void) const { return m_size; }
  ImageInformation *head (int n);
  ImageInformation *tail (int n);
  ImageInformation *append (ImageInformation &ii);
  inline ImageInformation *clone (void) {
    return head (m_size);
    //ImageInformation *ret = new ImageInformation (0);
    //ret->m_coeffs = new CoeffInformation [m_size];
    //ret->m_size = m_size;
    //for (int i = 0; i < m_size; i++)
    //  {
    //    ret->m_coeffs[i] = m_coeffs[i];
    //  }
    //return ret;
  }
  void shrink (int newsize, bool leavehead = true);
  bool equals (ImageInformation &ii);
  inline CoeffInformation &at (int pos) { return m_coeffs[pos]; }
  inline void to (CoeffInformation &c, int pos) { m_coeffs[pos] = c; }
  inline void to (const CoeffInformation &c, int pos) { m_coeffs[pos] = c; }
  void resize (int size);
  void swap (int pos1, int pos2);

  void gensort (cipredicate isless);
  void ssort (void);
  void asort (void);
  void psort (void);
  void yxsort (void);
  void xysort (void);
  void isort (void);
  void shuffle (void);
  bool ssorted (void) const;
  bool asorted (void) const;
  bool psorted (void) const;
  bool isorted (void) const;
  inline bool isIn (int abs) const { return locate (abs) >= 0; }
  inline bool isIn (int y, int x) const { return locate (y, x) >= 0; }
  int locate (int abs) const;
  int locate (int y, int x) const;
  coeff amax (void);
  coeff smax (void);
  coeff amin (void);
  coeff smin (void);

#ifndef _WIN32_WCE

  void dump (const char *delim = " ", const char *file = "") const;
#endif

  coeff aaverage (void) const;

  coeff saverage (void) const;

  double sqvariance (void) const;

  double variance (bool abs = false) const;

  double sdeviation (bool abs = false) const;

#ifdef USE_DEPRECATED_API

  inline bool equals (ImageInformation *ii) { return equals (*ii); }
#endif
protected:
  CoeffInformation *m_coeffs;
  int m_size;
  void copyCoeffs (CoeffInformation *coeffs, int size, bool head);
  ImageInformation *subimage (int size, bool head);
  int randint (int from, int to);
  void quicksort (int from, int to, cipredicate isless);

}; /* class ImageInformation */

#endif /* IMAGE_INFORMATION_HH__ */