C++ WERD::set_flag方法代码示例

void make_single_word(bool one_blob, TO_ROW_LIST *rows, ROW_LIST* real_rows) {
  TO_ROW_IT to_row_it(rows);
  ROW_IT row_it(real_rows);
  for (to_row_it.mark_cycle_pt(); !to_row_it.cycled_list();
       to_row_it.forward()) {
    TO_ROW* row = to_row_it.data();
    // The blobs have to come out of the BLOBNBOX into the C_BLOB_LIST ready
    // to create the word.
    C_BLOB_LIST cblobs;
    C_BLOB_IT cblob_it(&cblobs);
    BLOBNBOX_IT box_it(row->blob_list());
    for (;!box_it.empty(); box_it.forward()) {
      BLOBNBOX* bblob= box_it.extract();
      if (bblob->joined_to_prev() || (one_blob && !cblob_it.empty())) {
        if (bblob->cblob() != NULL) {
          C_OUTLINE_IT cout_it(cblob_it.data()->out_list());
          cout_it.move_to_last();
          cout_it.add_list_after(bblob->cblob()->out_list());
          delete bblob->cblob();
        }
      } else {
        if (bblob->cblob() != NULL)
          cblob_it.add_after_then_move(bblob->cblob());
      }
      delete bblob;
    }
    // Convert the TO_ROW to a ROW.
    ROW* real_row = new ROW(row, static_cast<inT16>(row->kern_size),
                            static_cast<inT16>(row->space_size));
    WERD_IT word_it(real_row->word_list());
    WERD* word = new WERD(&cblobs, 0, NULL);
    word->set_flag(W_BOL, TRUE);
    word->set_flag(W_EOL, TRUE);
    word->set_flag(W_DONT_CHOP, one_blob);
    word_it.add_after_then_move(word);
    row_it.add_after_then_move(real_row);
  }
}

//.........这里部分代码省略.........
    tprintf ("Leftmost blob is at (%d,%d)\n",
      box_it.data ()->bounding_box ().left (),
      box_it.data ()->bounding_box ().bottom ());
    return nullptr;
  }
  ASSERT_HOST (!cell_it.empty () && !row->char_cells.singleton ());
  prev_chop_coord = cell_it.data ()->x ();
  word = nullptr;
  while (rep_left < cell_it.data ()->x ()) {
    word = add_repeated_word (&rep_it, rep_left, prev_chop_coord,
      blanks, row->fixed_pitch, &word_it);
  }
  cell_it.mark_cycle_pt ();
  if (prev_chop_coord >= cell_it.data ()->x ())
    cell_it.forward ();
  for (; !cell_it.cycled_list (); cell_it.forward ()) {
    chop_coord = cell_it.data ()->x ();
    while (!box_it.empty ()
    && box_it.data ()->bounding_box ().left () <= chop_coord) {
      if (box_it.data ()->bounding_box ().right () > prev_x)
        prev_x = box_it.data ()->bounding_box ().right ();
      split_to_blob (box_it.extract (), chop_coord,
        textord_fp_chop_error + 0.5f,
        &left_coutlines,
        &right_coutlines);
      box_it.forward ();
      while (!box_it.empty() && box_it.data()->cblob() == nullptr) {
        delete box_it.extract();
        box_it.forward();
      }
    }
    if (!right_coutlines.empty() && left_coutlines.empty())
      split_to_blob (nullptr, chop_coord,
        textord_fp_chop_error + 0.5f,
        &left_coutlines,
        &right_coutlines);
    if (!left_coutlines.empty()) {
      cblob_it.add_after_then_move(new C_BLOB(&left_coutlines));
    } else {
      if (rep_left < chop_coord) {
        if (rep_left > prev_chop_coord)
          new_blanks = (uint8_t) floor ((rep_left - prev_chop_coord)
            / row->fixed_pitch + 0.5);
        else
          new_blanks = 0;
      }
      else {
        if (chop_coord > prev_chop_coord)
          new_blanks = (uint8_t) floor ((chop_coord - prev_chop_coord)
            / row->fixed_pitch + 0.5);
        else
          new_blanks = 0;
      }
      if (!cblob_it.empty()) {
        if (blanks < 1 && word != nullptr && !word->flag (W_REP_CHAR))
          blanks = 1;
        word = new WERD (&cblobs, blanks, nullptr);
        cblob_it.set_to_list (&cblobs);
        word->set_flag (W_DONT_CHOP, TRUE);
        word_it.add_after_then_move (word);
        if (bol) {
          word->set_flag (W_BOL, TRUE);
          bol = false;
        }
        blanks = new_blanks;
      }
      else
        blanks += new_blanks;
      while (rep_left < chop_coord) {
        word = add_repeated_word (&rep_it, rep_left, prev_chop_coord,
          blanks, row->fixed_pitch, &word_it);
      }
    }
    if (prev_chop_coord < chop_coord)
      prev_chop_coord = chop_coord;
  }
  if (!cblob_it.empty()) {
    word = new WERD(&cblobs, blanks, nullptr);
    word->set_flag (W_DONT_CHOP, TRUE);
    word_it.add_after_then_move (word);
    if (bol)
      word->set_flag (W_BOL, TRUE);
  }
  ASSERT_HOST (word != nullptr);
  while (!rep_it.empty ()) {
    add_repeated_word (&rep_it, rep_left, prev_chop_coord,
      blanks, row->fixed_pitch, &word_it);
  }
                                 //at end of line
  word_it.data ()->set_flag (W_EOL, TRUE);
  if (prev_chop_coord > prev_x)
    prev_x = prev_chop_coord;
  xstarts[1] = prev_x + 1;
  real_row = new ROW (row, (int16_t) row->kern_size, (int16_t) row->space_size);
  word_it.set_to_list (real_row->word_list ());
                                 //put words in row
  word_it.add_list_after (&words);
  real_row->recalc_bounding_box ();
  return real_row;
}

WERD *make_real_word(                      //make a WERD
                     BLOBNBOX_IT *box_it,  //iterator
                     inT32 blobcount,      //no of blobs to use
                     BOOL8 bol,            //start of line
                     BOOL8 fuzzy_sp,       //fuzzy space
                     BOOL8 fuzzy_non,      //fuzzy non-space
                     uinT8 blanks          //no of blanks
                    ) {
  OUTLINE_IT out_it;             //outlines
  C_OUTLINE_IT cout_it;
  PBLOB_LIST blobs;              //blobs in word
  C_BLOB_LIST cblobs;
  PBLOB_IT blob_it = &blobs;     //iterator
  C_BLOB_IT cblob_it = &cblobs;
  WERD *word;                    //new word
  BLOBNBOX *bblob;               //current blob
  inT32 blobindex;               //in row

  for (blobindex = 0; blobindex < blobcount; blobindex++) {
    bblob = box_it->extract ();
    if (bblob->joined_to_prev ()) {
      if (bblob->blob () != NULL) {
        out_it.set_to_list (blob_it.data ()->out_list ());
        out_it.move_to_last ();
        out_it.add_list_after (bblob->blob ()->out_list ());
        delete bblob->blob ();
      }
      else if (bblob->cblob () != NULL) {
        cout_it.set_to_list (cblob_it.data ()->out_list ());
        cout_it.move_to_last ();
        cout_it.add_list_after (bblob->cblob ()->out_list ());
        delete bblob->cblob ();
      }
    }
    else {
      if (bblob->blob () != NULL)
        blob_it.add_after_then_move (bblob->blob ());
      else if (bblob->cblob () != NULL)
        cblob_it.add_after_then_move (bblob->cblob ());
    }
    delete bblob;
    box_it->forward ();          //next one
  }

  if (blanks < 1)
    blanks = 1;
  if (!blob_it.empty ()) {
                                 //make real word
    word = new WERD (&blobs, blanks, NULL);
  }
  else {
    word = new WERD (&cblobs, blanks, NULL);
  }
  if (bol) {
    word->set_flag (W_BOL, TRUE);
  }
  if (fuzzy_sp)
                                 //probably space
    word->set_flag (W_FUZZY_SP, TRUE);
  else if (fuzzy_non)
                                 //probably not
    word->set_flag (W_FUZZY_NON, TRUE);
  if (box_it->at_first ()) {
    word->set_flag (W_EOL, TRUE);//at end of line
  }
  return word;
}