void plot_fp_cells2( //draw words
ScrollView *win, //window tro draw in
ScrollView::Color colour, //colour of lines
TO_ROW *row, //for location
FPSEGPT_LIST *seg_list //segments to plot
) {
TBOX word_box; //bounding box
FPSEGPT_IT seg_it = seg_list;
//blobs in row
BLOBNBOX_IT blob_it = row->blob_list();
FPSEGPT *segpt; //current point
word_box = blob_it.data()->bounding_box();
for (blob_it.mark_cycle_pt(); !blob_it.cycled_list();)
word_box += box_next(&blob_it);
for (seg_it.mark_cycle_pt(); !seg_it.cycled_list(); seg_it.forward()) {
segpt = seg_it.data();
if (segpt->faked) {
colour = ScrollView::WHITE;
win->Pen(colour);
}
else {
win->Pen(colour);
}
win->Line(segpt->position(), word_box.bottom(), segpt->position(), word_box.top());
}
}
void make_illegal_segment( //find segmentation
FPSEGPT_LIST *prev_list, //previous segments
TBOX blob_box, //bounding box
BLOBNBOX_IT blob_it, //iterator
int16_t region_index, //number of segment
int16_t pitch, //pitch estimate
int16_t pitch_error, //tolerance
FPSEGPT_LIST *seg_list //output list
) {
int16_t x; //current coord
int16_t min_x = 0; //in this region
int16_t max_x = 0;
int16_t offset; //dist to edge
FPSEGPT *segpt; //segment point
FPSEGPT *prevpt; //previous point
float best_cost; //best path
FPSEGPT_IT segpt_it = seg_list;//iterator
//previous points
FPSEGPT_IT prevpt_it = prev_list;
best_cost = FLT_MAX;
for (prevpt_it.mark_cycle_pt (); !prevpt_it.cycled_list ();
prevpt_it.forward ()) {
prevpt = prevpt_it.data ();
if (prevpt->cost_function () < best_cost) {
//find least
best_cost = prevpt->cost_function ();
min_x = prevpt->position ();
max_x = min_x; //limits on coords
}
else if (prevpt->cost_function () == best_cost) {
max_x = prevpt->position ();
}
}
min_x += pitch - pitch_error;
max_x += pitch + pitch_error;
for (x = min_x; x <= max_x; x++) {
while (x > blob_box.right ()) {
blob_box = box_next (&blob_it);
}
offset = x - blob_box.left ();
if (blob_box.right () - x < offset)
offset = blob_box.right () - x;
segpt = new FPSEGPT (x, FALSE, offset,
region_index, pitch, pitch_error, prev_list);
if (segpt->previous () != nullptr) {
ASSERT_HOST (offset >= 0);
fprintf (stderr, "made fake at %d\n", x);
//make one up
segpt_it.add_after_then_move (segpt);
segpt->faked = TRUE;
segpt->fake_count++;
}
else
delete segpt;
}
}
void plot_fp_cells( //draw words
ScrollView *win, //window tro draw in
ScrollView::Color colour, //colour of lines
BLOBNBOX_IT *blob_it, //blobs
inT16 pitch, //of block
inT16 blob_count, //no of real blobs
STATS *projection, //vertical
inT16 projection_left, //edges //scale factor
inT16 projection_right,
float projection_scale) {
inT16 occupation; //occupied cells
TBOX word_box; //bounding box
FPSEGPT_LIST seg_list; //list of cuts
FPSEGPT_IT seg_it;
FPSEGPT *segpt; //current point
if (pitsync_linear_version)
check_pitch_sync2(blob_it, blob_count, pitch, 2, projection,
projection_left, projection_right,
projection_scale, occupation, &seg_list, 0, 0);
else
check_pitch_sync(blob_it, blob_count, pitch, 2, projection, &seg_list);
word_box = blob_it->data()->bounding_box();
for (; blob_count > 0; blob_count--)
word_box += box_next(blob_it);
seg_it.set_to_list(&seg_list);
for (seg_it.mark_cycle_pt(); !seg_it.cycled_list(); seg_it.forward()) {
segpt = seg_it.data();
if (segpt->faked) {
colour = ScrollView::WHITE;
win->Pen(colour);
}
else {
win->Pen(colour);
}
win->Line(segpt->position(), word_box.bottom(), segpt->position(), word_box.top());
}
}