Function extract_result

deps/tesseract/api/baseapi.cpp:2660–2684

* Extract the OCR results, costs (penalty points for uncertainty), * and the bounding boxes of the characters. */

 * and the bounding boxes of the characters.
 */
static void extract_result(TESS_CHAR_IT* out,
                           PAGE_RES* page_res) {
  PAGE_RES_IT page_res_it(page_res);
  int word_count = 0;
  while (page_res_it.word() != NULL) {
    WERD_RES *word = page_res_it.word();
    const char *str = word->best_choice->unichar_string().string();
    const char *len = word->best_choice->unichar_lengths().string();
    TBOX real_rect = word->word->bounding_box();

    if (word_count)
      add_space(out);
    int n = strlen(len);
    for (int i = 0; i < n; i++) {
      TESS_CHAR *tc = new TESS_CHAR(rating_to_cost(word->best_choice->rating()),
                                    str, *len);
      tc->box = real_rect.intersection(word->box_word->BlobBox(i));
      out->add_after_then_move(tc);
       str += *len;
      len++;
    }
    page_res_it.forward();
    word_count++;
  }
}

/**
 * Extract the OCR results, costs (penalty points for uncertainty),