- /*
- If, after correcting, we're close to stem-end...
- */
- Drul_array<Real> snapy_f_drul;
- snapy_f_drul[LEFT] = snapy_f_drul[RIGHT] = 0;
- Drul_array<Real> snapx_f_drul;
- snapx_f_drul[LEFT] = snapx_f_drul[RIGHT] = 0;
- Drul_array<bool> snapped_b_drul;
- snapped_b_drul[LEFT] = snapped_b_drul[RIGHT] = false;
- do
- {
- Note_column * nc = note_column_drul[d];
- if (nc == spanned_drul_[d]
- && nc->stem_l ()
- && nc->stem_l ()->get_direction () == my_dir
- && abs (nc->stem_l ()->extent (Y_AXIS)[my_dir]
- - dy_f_drul_[d] + (d == LEFT ? 0 : interstaff_f))
- <= snap_f)
- {
- /*
- prepare to attach to stem-end
- */
- snapx_f_drul[d] = nc->stem_l ()->hpos_f ()
- - spanned_drul_[d]->relative_coordinate (0, X_AXIS);
-
- snapy_f_drul[d] = nc->stem_l ()->extent (Y_AXIS)[my_dir]
- + interstaff_interval[d]
- + my_dir * 2 * y_gap_f;
-
- snapped_b_drul[d] = true;
- }
- }
- while (flip (&d) != LEFT);
-
- /*
- only use snapped positions if sign (dy) will not change
- and dy doesn't change too much
- */
- if (!fix_broken_b)
- dy_f += interstaff_f;
-
-
- /*
- (sigh)
-
- More refactoring could be done.
- */
- Real maxsnap = abs (dy_f * snap_max_dy_f);
- if (snapped_b_drul[LEFT] && snapped_b_drul[RIGHT]
- && ((sign (snapy_f_drul[RIGHT] - snapy_f_drul[LEFT]) == sign (dy_f)))
- && (!dy_f || (abs (snapy_f_drul[RIGHT] - snapy_f_drul[LEFT] - dy_f)
- < maxsnap)))
- {
- dy_f_drul_ = snapy_f_drul;
- dx_f_drul_ = snapx_f_drul;
- }
- else
- do
- {
- Direction od = (Direction)-d;
- if (snapped_b_drul[d]
- && d * sign (snapy_f_drul[d] - dy_f_drul_[od]) == sign (dy_f)
- && (!dy_f || (abs (snapy_f_drul[d] - dy_f_drul_[od] - d * dy_f)
- < maxsnap)))
- {
- dy_f_drul_[d] = snapy_f_drul[d];
- dx_f_drul_[d] = snapx_f_drul[d];
- }
- }
- while (flip (&d) != LEFT);
-}
-
-
-int
-Slur::cross_staff_count ()const
-{
- Link_array<Note_column> encompass_arr =
- Group_interface__extract_elements (this, (Note_column*)0, "note-columns");
-
- int k=0;
-
- for (int i = 0; i < encompass_arr.size (); i++)
- {
- if (calc_interstaff_dist (encompass_arr[i], this))
- k++;
- }
- return k;