void plot_to_row( //draw a row
TO_ROW *row, //row to draw
ScrollView::Color colour, //colour to draw in
FCOORD rotation //rotation for line
) {
FCOORD plot_pt; //point to plot
//blobs
BLOBNBOX_IT it = row->blob_list();
float left, right; //end of row
if (it.empty()) {
tprintf("No blobs in row at %g\n", row->parallel_c());
return;
}
left = it.data()->bounding_box().left();
it.move_to_last();
right = it.data()->bounding_box().right();
plot_blob_list(to_win, row->blob_list(), colour, ScrollView::BROWN);
to_win->Pen(colour);
plot_pt = FCOORD(left, row->line_m() * left + row->line_c());
plot_pt.rotate(rotation);
to_win->SetCursor(plot_pt.x(), plot_pt.y());
plot_pt = FCOORD(right, row->line_m() * right + row->line_c());
plot_pt.rotate(rotation);
to_win->DrawTo(plot_pt.x(), plot_pt.y());
}
void TO_ROW::insert_blob( //constructor
BLOBNBOX *blob //first blob
) {
BLOBNBOX_IT it = &blobs; //list of blobs
if (it.empty ())
it.add_before_then_move (blob);
else {
it.mark_cycle_pt ();
while (!it.cycled_list ()
&& it.data ()->bounding_box ().left () <=
blob->bounding_box ().left ())
it.forward ();
if (it.cycled_list ())
it.add_to_end (blob);
else
it.add_before_stay_put (blob);
}
}
