RepData

typedef struct RepData_tag {
  ReInit    init;             
  ReParm    parm;
  ReImage   image;           
  long      busy;              
  INT_PTR   hWND_rep_finished; 
  INT_PTR   hWND_line_message; 
  long      filler1;           
  KADMOS_ERROR (KADMOS_API *rec_hook)(RecData *);  
  KADMOS_ERROR (KADMOS_API *rel_hook)(RelData *);  
  short     rep_deskew;
  short     rep_result_len;    
  RepResult *rep_result;   
} RepData;        
      

Elements:

init
Data for classifier initialisation. It must be set before rep_init().
parm
REP can be performed with many parameters. These parameters are included in the structure ReParm.
image
In this structure ReImage the image processing and/or recognition will be expected or provided.
busy
This value indicates whether recognition is in process (1) or completed (0). This is particularly important for parallel processing.
hWND_rep_finished
This parameter is relevant for Windows only. If provided, the module rep_do() will send messages to that window, which is described as handle by this value. As soon as the preprocessing of the image has been finished, rep_do() will perform the following call:
SendMessage((HWND) rep->hWND_rep_finished, WM_USER,
(WPARAM)(REP_MESSAGE | REX_IMGREADY), (LPARAM) rep);
This gives the possibility to retrieve the result of the preprocessing (rep->image) before recognition. The pointer image will be set to the internal preprocessed image for this call. As soon as the text lines are separated and recognized, rep_do() will perform the following call:
SendMessage((HWND) rep->hWND_rep_finished,WM_USER,
(WPARAM)(REP_MESSAGE | REX_FINISHED), (LPARAM) rep);
In case of an error wParm contains also the bit REX_ERROR.
hWND_line_message
This parameter is relevant for Windows only. If provided, the module rep_do() will send messages to that window, which is described as handle by this value. As soon as the text lines are separated, rep_do() will perform the following call:
SendMessage((HWND) rep->hWND_line_message, WM_USER,
(WPARAM) REP_LINE_CNT,(LPARAM) zeilenanzahl);
After recognition of each single text line rep_do() will send the following message:
SendMessage((HWND) rep->hWND_line_message, WM_USER,
(WPARAM) REP_RESULT,(LPARAM) &rep_result);
From the address given in lParam all recognition results of this text line can be retrieved. The address is a pointer to a structure RepResult. REP_LINE_CNT and REP_RESULT are defined as follows: #define REP_LINE_CNT 1
#define REP_RESULT 2
filler1
8 byte alignment.
rec_hook
This parameter allows an application to provide a particular function. The modules REL and REP always call the module REC - after segmenting the given image in lines and single characters. For each character, the module rec_do() is called with a related, internal structure RecData. If rec_hook is specified, it is called directly after every rec_do() call, with the related structure RecData. This provides many possibilities for tracking or controlling the isolated character recognition, for collecting samples and even to stop recognition. The latter possibility is given by the return value of the hook function. If the hook function return a value different from RE_SUCCESS, rel_do() and rep_do() stopp the recognition and returns immediately. If a hook function needs its own specific parameters, the pointer hookparm in the structure ReParm can be used. If for example hookparm is assigned an address (for example to private data) before calling rel_do(), this address will be copied by rel_do() before every call to rec_do() into the related structure RecData into the item hookparm. This address can then be retrieved by the hook function.
rel_hook
This parameter allows an application to provide a private hook function. Is it set to suck a function, this function will be called analog to rec_hook with every call of rel_do() with a structure RelData. This function can be used to stop the recognition.
rep_deskew
Corrected skew of the image.
rep_result_len, rep_result
After calling of rep_do(), rep_result_len contains the number of separated text lines of a given image. rep_result is a pointer to an area of structures RepResult, one item for every line, containing the recognition results. If grid elements are detected, then rep_result[0] refers to a related data structure, and rep_result_len equals the number of recognized lines +1.

Reference: