types.h

Ocr source code. provides an Ocr engine that works in C++ language.

/* types.h : various types used by the program
 * Author: Maxie D. Schmidt (created 5/20/2006) */

#ifndef _TYPES_H_
#define _TYPES_H_

#include <string>
#include <vector>
using namespace std;

typedef struct {

     int x, y;

} xy_point;

xy_point NULL_POINT();

typedef struct {

     xy_point xy;
     int horiz_len, vert_len;

} box_t;

box_t NULL_BOX();

typedef struct {

     xy_point r_most, l_most, t_most, b_most;

} box_points;

box_points NULL_PTS();

enum direction_t {NORTH, NORTHEAST, EAST, SOUTHEAST, SOUTH, SOUTHWEST, WEST, 
                  NORTHWEST};

enum program_mode_t {NORMAL, TRAINING};

typedef vector< vector<bool> > grid_t;
typedef vector< vector<int> > grid_int_t;

typedef struct {

     int lower, upper;

} int_interval_t;

typedef struct {

     int Rl, Gl, Bl;
     int Ru, Gu, Bu;

} rgb_interval_t;

class parse_list;
class parsed_line;
class parsed_char;

typedef struct {

     string character;
     double probability;

} char_probability;

typedef struct {

     parsed_line *pl;
     parsed_char *pc;

} plist_parsed_char;

typedef struct {

     string character;
     int num_instances;

} profile_sort_token;

typedef struct {

     int line_num;
     string text;

} translated_line;

class profile;

class png_file {

     public:
          png_file();
          ~png_file();

          // returns whether the pixel is black / within interval (true), 
          // or other (false):
          bool grid(int row, int col);
          void mark(int row, int col);
          bool is_marked(int row, int col);
          void cleanup_tracks();
          
          bool is_valid;
          string filename;
          int width, height;
          int scan_starting_line_num;
          unsigned char *buf;
          unsigned char *tracks;
          int tracks_num_bytes;

          // parsed file:
          bool parsed;
          parse_list *plist;

};

#endif