void cleanup_blocks( //remove empties
BLOCK_LIST *blocks //list
) {
BLOCK_IT block_it = blocks; //iterator
ROW_IT row_it; //row iterator
for (block_it.mark_cycle_pt (); !block_it.cycled_list ();
block_it.forward ()) {
row_it.set_to_list (block_it.data ()->row_list ());
for (row_it.mark_cycle_pt (); !row_it.cycled_list (); row_it.forward ()) {
if (textord_noise_rejrows
&& !row_it.data ()->word_list ()->empty ()
&& clean_noise_from_row (row_it.data ())
|| row_it.data ()->word_list ()->empty ())
delete row_it.extract ();//lose empty row
else {
if (textord_noise_rejwords)
clean_noise_from_words (row_it.data ());
if (textord_blshift_maxshift >= 0)
tweak_row_baseline (row_it.data ());
}
}
if (block_it.data ()->row_list ()->empty ()) {
delete block_it.extract ();//lose empty block
}
}
}
void Textord::cleanup_blocks(bool clean_noise, BLOCK_LIST* blocks) {
BLOCK_IT block_it = blocks; //iterator
ROW_IT row_it; //row iterator
int num_rows = 0;
int num_rows_all = 0;
int num_blocks = 0;
int num_blocks_all = 0;
for (block_it.mark_cycle_pt(); !block_it.cycled_list();
block_it.forward()) {
BLOCK* block = block_it.data();
if (block->pdblk.poly_block() != nullptr && !block->pdblk.poly_block()->IsText()) {
cleanup_nontext_block(block);
continue;
}
num_rows = 0;
num_rows_all = 0;
if (clean_noise) {
row_it.set_to_list(block->row_list());
for (row_it.mark_cycle_pt(); !row_it.cycled_list(); row_it.forward()) {
ROW* row = row_it.data();
++num_rows_all;
clean_small_noise_from_words(row);
if ((textord_noise_rejrows && !row->word_list()->empty() &&
clean_noise_from_row(row)) ||
row->word_list()->empty()) {
delete row_it.extract(); // lose empty row.
} else {
if (textord_noise_rejwords)
clean_noise_from_words(row_it.data());
if (textord_blshift_maxshift >= 0)
tweak_row_baseline(row, textord_blshift_maxshift,
textord_blshift_xfraction);
++num_rows;
}
}
}
if (block->row_list()->empty()) {
delete block_it.extract(); // Lose empty text blocks.
} else {
++num_blocks;
}
++num_blocks_all;
if (textord_noise_debug)
tprintf("cleanup_blocks: # rows = %d / %d\n", num_rows, num_rows_all);
}
if (textord_noise_debug)
tprintf("cleanup_blocks: # blocks = %d / %d\n", num_blocks, num_blocks_all);
}
void Textord::cleanup_blocks( //remove empties
BLOCK_LIST *blocks //list
) {
BLOCK_IT block_it = blocks; //iterator
ROW_IT row_it; //row iterator
int num_rows = 0;
int num_rows_all = 0;
int num_blocks = 0;
int num_blocks_all = 0;
for (block_it.mark_cycle_pt (); !block_it.cycled_list ();
block_it.forward ()) {
num_rows = 0;
num_rows_all = 0;
row_it.set_to_list (block_it.data ()->row_list ());
for (row_it.mark_cycle_pt (); !row_it.cycled_list (); row_it.forward ()) {
++num_rows_all;
clean_small_noise_from_words(row_it.data());
if ((textord_noise_rejrows
&& !row_it.data ()->word_list ()->empty ()
&& clean_noise_from_row (row_it.data ()))
|| row_it.data ()->word_list ()->empty ())
delete row_it.extract ();//lose empty row
else {
if (textord_noise_rejwords)
clean_noise_from_words (row_it.data ());
if (textord_blshift_maxshift >= 0)
tweak_row_baseline(row_it.data(),
textord_blshift_maxshift,
textord_blshift_xfraction);
++num_rows;
}
}
if (block_it.data()->row_list()->empty() &&
(block_it.data()->poly_block() == NULL ||
block_it.data()->poly_block()->IsText())) {
delete block_it.extract(); // Lose empty text blocks but not other types.
} else {
++num_blocks;
}
++num_blocks_all;
if (textord_noise_debug)
tprintf("cleanup_blocks: # rows = %d / %d\n", num_rows, num_rows_all);
}
if (textord_noise_debug)
tprintf("cleanup_blocks: # blocks = %d / %d\n", num_blocks, num_blocks_all);
}
