// = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =//                     I M A G E   C L A S S// = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =//           > > > >    C++ version 11.03 -  06/15/95   < < < <// Amir Said - amir@densis.fee.unicamp.br// University of Campinas (UNICAMP)// Campinas, SP 13081, Brazil// William A. Pearlman - pearlman@ecse.rpi.edu// Rensselaer Polytechnic Institute// Troy, NY 12180, USA// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -// Copyright (c) 1995 Amir Said & William A. Pearlman// This program is Copyright (c) by Amir Said & William A. Pearlman.// It may be freely redistributed in its entirety provided that this// copyright notice is not removed. It may not be sold for profit or// incorporated in commercial programs without the written permission// of the copyright holders. This program is provided as is, without any// express or implied warranty, without even the warranty of fitness// for a particular purpose.// - - External definitions  - - - - - - - - - - - - - - - - - - - - - -#ifdef LOSSLESStypedef int Pel_Type;#define ABS abs#elsetypedef float Pel_Type;#define ABS fabs#endifstruct Image_Coord { int x, y; };// - - Class definition  - - - - - - - - - - - - - - - - - - - - - - - -class Image_BW{  // . private data .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .    Image_Coord dim, pdim;    int levels, bytes, mean, shift, smoothing;    Pel_Type ** coeff;  // . private functions  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .    int max_levels(int);    void assign_mem(Image_Coord, int);    void free_mem(void);    void extend(void);  // . constructor and destructor  .  .  .  .  .  .  .  .  .  .  .  .  .  public :    Image_BW(void) { levels = -1; }    ~Image_BW(void) { free_mem(); }  // . public functions   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .    Pel_Type & operator[](const Image_Coord & c) {      return coeff[c.x][c.y]; }    Pel_Type & operator()(int i, int j) {      return coeff[i][j]; }    Pel_Type * address(const Image_Coord & c) {      return coeff[c.x] + c.y; }    Image_Coord dimension(void) { return dim; }    Image_Coord pyramid_dim(void) { return pdim; }    int transform_mean(void) { return mean; }    int mean_shift(void) { return shift; }    int smoothing_factor(void) { return smoothing; }    int pyramid_levels(void) { return levels; }    int pixel_bytes(void) { return bytes; }    float compare(char * file_name);    void read_pic(Image_Coord, char * file_name, int nbytes = 1);    void write_pic(char * file_name);    void reset(Image_Coord);    void reset(Image_Coord, int nbytes, int m, int mshift,               int smoothing_factor = 0);    void transform(int smoothing_factor = 0);    void recover(void);    void dispose(void) { free_mem(); }};  // end definition of class  < Image_BW >// = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =// end of file  < Image_BW.H >