Method InitForSegSearch

deps/tesseract/ccstruct/blamer.cpp:473–499

Setup ready to guide the segmentation search to the correct segmentation. The callback pp_cb is used to avoid a cyclic dependency. It calls into LMPainPoints::GenerateForBlamer by pre-binding the WERD_RES, and the LMPainPoints itself. pp_cb must be a permanent callback, and should be deleted by the caller.

// WERD_RES, and the LMPainPoints itself.
// pp_cb must be a permanent callback, and should be deleted by the caller.
void BlamerBundle::InitForSegSearch(const WERD_CHOICE *best_choice,
                                    MATRIX* ratings, UNICHAR_ID wildcard_id,
                                    bool debug, STRING *debug_str,
                                    TessResultCallback2<bool, int, int>* cb) {
  segsearch_is_looking_for_blame_ = true;
  if (debug) {
    tprintf("segsearch starting to look for blame\n");
  }
  // Fill pain points for any unclassifed blob corresponding to the
  // correct segmentation state.
  *debug_str += "Correct segmentation:\n";
  for (int idx = 0; idx < correct_segmentation_cols_.length(); ++idx) {
    debug_str->add_str_int("col=", correct_segmentation_cols_[idx]);
    debug_str->add_str_int(" row=", correct_segmentation_rows_[idx]);
    *debug_str += "\n";
    if (!ratings->Classified(correct_segmentation_cols_[idx],
                             correct_segmentation_rows_[idx],
                             wildcard_id) &&
        !cb->Run(correct_segmentation_cols_[idx],
                 correct_segmentation_rows_[idx])) {
      segsearch_is_looking_for_blame_ = false;
      *debug_str += "\nFailed to insert pain point\n";
      SetBlame(IRR_SEGSEARCH_HEUR, *debug_str, best_choice, debug);
      break;
    }
  }  // end for blamer_bundle->correct_segmentation_cols/rows
}
// Returns true if the guided segsearch is in progress.
bool BlamerBundle::GuidedSegsearchStillGoing() const {
  return segsearch_is_looking_for_blame_;