// NULLs out any neighbours that are DeletableNoise to remove references.
void BLOBNBOX::CleanNeighbours() {
for (int dir = 0; dir < BND_COUNT; ++dir) {
BLOBNBOX* neighbour = neighbours_[dir];
if (neighbour != NULL && neighbour->DeletableNoise()) {
neighbours_[dir] = NULL;
good_stroke_neighbours_[dir] = false;
}
}
}
// Helper to delete all the deletable blobs on the list.
void BLOBNBOX::DeleteNoiseBlobs(BLOBNBOX_LIST* blobs) {
BLOBNBOX_IT blob_it(blobs);
for (blob_it.mark_cycle_pt(); !blob_it.cycled_list(); blob_it.forward()) {
BLOBNBOX* blob = blob_it.data();
if (blob->DeletableNoise()) {
delete blob->cblob();
delete blob_it.extract();
}
}
}
// Helper to draw only DeletableNoise blobs (unowned, BRT_NOISE) on the
// given list in the given body_colour, with child outlines in the
// child_colour.
void BLOBNBOX::PlotNoiseBlobs(BLOBNBOX_LIST* list,
ScrollView::Color body_colour,
ScrollView::Color child_colour,
ScrollView* win) {
BLOBNBOX_IT it(list);
for (it.mark_cycle_pt(); !it.cycled_list(); it.forward()) {
BLOBNBOX* blob = it.data();
if (blob->DeletableNoise())
blob->plot(win, body_colour, child_colour);
}
}
