Grob *head_up = Note_column::first_head (clash_up);
Grob *head_down = Note_column::first_head (clash_down);
+ Interval extent_up = head_up->extent (head_up, X_AXIS);
+ Interval extent_down = head_down->extent (head_down, X_AXIS);
+
/* Staff-positions of all noteheads on each stem */
vector<int> ups = Stem::note_head_positions (stems[UP]);
vector<int> dps = Stem::note_head_positions (stems[DOWN]);
}
full_collide = full_collide || (close_half_collide
- && distant_half_collide);
+ && distant_half_collide)
+ || ( distant_half_collide // like full_ for wholes and longer
+ && (up_ball_type <= 0 || down_ball_type <= 0));
/* Determine which chord goes on the left, and which goes right.
Up-stem usually goes on the right, but if chords just 'touch' we can put
*/
if (Stem::duration_log (stems[DOWN]) == 1
&& Stem::duration_log (stems[UP]) >= 3)
- shift_amount = (1 - head_up->extent (head_up, X_AXIS).length ()
- / head_down->extent (head_down, X_AXIS).length ()) * 0.5;
+ shift_amount = (1 - extent_up[RIGHT] / extent_down[RIGHT]) * 0.5;
}
if (dot_wipe_head)
else
shift_amount *= 0.17;
- /*
- */
- if (full_collide
- && down_ball_type *up_ball_type == 0)
- {
- if (up_ball_type == 0 && down_ball_type == 1)
- shift_amount *= 1.25;
- else if (up_ball_type == 0 && down_ball_type == 2)
- shift_amount *= 1.35;
- else if (down_ball_type == 0 && up_ball_type == 1)
- shift_amount *= 0.7;
- else if (down_ball_type == 0 && up_ball_type == 2)
- shift_amount *= 0.75;
- }
+ /* The offsets computed in this routine are multiplied,
+ in calc_positioning_done(), by the width of the downstem note.
+ The shift required to clear collisions, however, depends on the extents
+ of the note heads on the sides that interfere. */
+ if (shift_amount < 0.0) // Down-stem shifts right.
+ shift_amount *= (extent_up[RIGHT] - extent_down[LEFT]) / extent_down.length ();
+ else // Up-stem shifts right.
+ shift_amount *= (extent_down[RIGHT] - extent_up[LEFT]) / extent_down.length ();
/* If any dotted notes ended up on the left,
tell the Dot_Columnn to avoid the note heads on the right.