void Textord::filter_blobs(ICOORD page_tr, // top right
TO_BLOCK_LIST* blocks, // output list
bool testing_on) { // for plotting
TO_BLOCK_IT block_it = blocks; // destination iterator
TO_BLOCK *block; // created block
#ifndef GRAPHICS_DISABLED
if (to_win != nullptr)
to_win->Clear();
#endif // GRAPHICS_DISABLED
for (block_it.mark_cycle_pt(); !block_it.cycled_list();
block_it.forward()) {
block = block_it.data();
block->line_size = filter_noise_blobs(&block->blobs,
&block->noise_blobs,
&block->small_blobs,
&block->large_blobs);
if (block->line_size == 0) block->line_size = 1;
block->line_spacing = block->line_size *
(tesseract::CCStruct::kDescenderFraction +
tesseract::CCStruct::kXHeightFraction +
2 * tesseract::CCStruct::kAscenderFraction) /
tesseract::CCStruct::kXHeightFraction;
block->line_size *= textord_min_linesize;
block->max_blob_size = block->line_size * textord_excess_blobsize;
#ifndef GRAPHICS_DISABLED
if (textord_show_blobs && testing_on) {
if (to_win == nullptr)
create_to_win(page_tr);
block->plot_graded_blobs(to_win);
}
if (textord_show_boxes && testing_on) {
if (to_win == nullptr)
create_to_win(page_tr);
plot_box_list(to_win, &block->noise_blobs, ScrollView::WHITE);
plot_box_list(to_win, &block->small_blobs, ScrollView::WHITE);
plot_box_list(to_win, &block->large_blobs, ScrollView::WHITE);
plot_box_list(to_win, &block->blobs, ScrollView::WHITE);
}
#endif // GRAPHICS_DISABLED
}
}
void filter_blobs( //split into groups
ICOORD page_tr, //top right
TO_BLOCK_LIST *blocks, //output list
BOOL8 testing_on //for plotting
) {
TO_BLOCK_IT block_it = blocks; //destination iterator
TO_BLOCK *block; //created block
for (block_it.mark_cycle_pt (); !block_it.cycled_list ();
block_it.forward ()) {
block = block_it.data ();
block->line_size = filter_noise_blobs (&block->blobs,
&block->noise_blobs,
&block->small_blobs,
&block->large_blobs);
block->line_spacing =
block->line_size * (textord_merge_desc + textord_merge_x +
textord_merge_asc +
textord_merge_asc) / textord_merge_x;
block->line_size *= textord_min_linesize;
block->max_blob_size = block->line_size * textord_excess_blobsize;
#ifndef GRAPHICS_DISABLED
if (textord_show_blobs && testing_on) {
if (to_win == NO_WINDOW)
create_to_win(page_tr);
plot_blob_list (to_win, &block->noise_blobs, CORAL, BLUE);
plot_blob_list (to_win, &block->small_blobs, GOLDENROD, YELLOW);
plot_blob_list (to_win, &block->large_blobs, DARK_GREEN, YELLOW);
plot_blob_list (to_win, &block->blobs, WHITE, BROWN);
}
if (textord_show_boxes && testing_on) {
if (to_win == NO_WINDOW)
create_to_win(page_tr);
plot_box_list (to_win, &block->noise_blobs, WHITE);
plot_box_list (to_win, &block->small_blobs, WHITE);
plot_box_list (to_win, &block->large_blobs, WHITE);
plot_box_list (to_win, &block->blobs, WHITE);
}
#endif
}
}
void filter_blobs( //split into groups
ICOORD page_tr, //top right
TO_BLOCK_LIST *blocks, //output list
BOOL8 testing_on //for plotting
) {
TO_BLOCK_IT block_it = blocks; //destination iterator
TO_BLOCK *block; //created block
if (to_win != NULL)
to_win->Clear();
for (block_it.mark_cycle_pt (); !block_it.cycled_list ();
block_it.forward ()) {
block = block_it.data ();
block->line_size = filter_noise_blobs (&block->blobs,
&block->noise_blobs,
&block->small_blobs,
&block->large_blobs);
block->line_spacing =
block->line_size * (textord_merge_desc + textord_merge_x +
textord_merge_asc +
textord_merge_asc) / textord_merge_x;
block->line_size *= textord_min_linesize;
block->max_blob_size = block->line_size * textord_excess_blobsize;
#ifndef GRAPHICS_DISABLED
if (textord_show_blobs && testing_on) {
if (to_win == NULL)
create_to_win(page_tr);
block->plot_graded_blobs(to_win);
}
if (textord_show_boxes && testing_on) {
if (to_win == NULL)
create_to_win(page_tr);
plot_box_list (to_win, &block->noise_blobs, ScrollView::WHITE);
plot_box_list (to_win, &block->small_blobs, ScrollView::WHITE);
plot_box_list (to_win, &block->large_blobs, ScrollView::WHITE);
plot_box_list (to_win, &block->blobs, ScrollView::WHITE);
}
#endif
}
}
