Method compress

deps/tesseract/ccstruct/ocrblock.cpp:132–160

 */

void BLOCK::compress() {  // squash it up
  #define           ROW_SPACING 5

  ROW_IT row_it(&rows);
  ROW *row;
  ICOORD row_spacing (0, ROW_SPACING);

  ICOORDELT_IT icoordelt_it;

  sort_rows();

  box = TBOX (box.topleft (), box.topleft ());
  box.move_bottom_edge (ROW_SPACING);
  for (row_it.mark_cycle_pt (); !row_it.cycled_list (); row_it.forward ()) {
    row = row_it.data ();
    row->move (box.botleft () - row_spacing -
      row->bounding_box ().topleft ());
    box += row->bounding_box ();
  }

  leftside.clear ();
  icoordelt_it.set_to_list (&leftside);
  icoordelt_it.add_to_end (new ICOORDELT (box.left (), box.bottom ()));
  icoordelt_it.add_to_end (new ICOORDELT (box.left (), box.top ()));
  rightside.clear ();
  icoordelt_it.set_to_list (&rightside);
  icoordelt_it.add_to_end (new ICOORDELT (box.right (), box.bottom ()));
  icoordelt_it.add_to_end (new ICOORDELT (box.right (), box.top ()));
}


/**