[Bug-ocrad] Re: OCRAD project: library is needed

[Antonio Diaz Diaz]

Dmitry Katsubo wrote:
> Igor, can you send me the problematic image? Let's create test2 :)

Yes, please. :-)


> 1) Why do you use check for "OCRAD_ok" for OCRAD_get_errno() return
> value, but the rest you compare with "0"?

Because OCRAD_get_errno returns an error code while the other functions 
return 0 on success.

"Most library functions return -1 or a null pointer to indicate that 
they have failed. But this return value only tells you that an error has 
occurred. To find out what kind of error it was, you need to verify the 
error code by calling `OCRAD_get_errno'".


> 2) Maybe it makes sense to have a "combined" API function, that will
> group OCRAD_recognize() + OCRAD_result_characters() +
> OCRAD_result_first_character() ? This "if"-clause looks thrilling and it
> horribly grows ...

I think it is not a good idea to lose flexibility just to save two lines 
of code. Even less in an API not yet mature.


Regards,
Antonio.