if (d && d * head_positions (me)[get_grob_direction (me)] >= se * d)
me->warning (_ ("weird stem size, check for narrow beams"));
- Interval height = me->pure_height (me, 0, INT_MAX);
+ // trigger note collision mechanisms
+ Real stem_beg = internal_calc_stem_begin_position (me, false);
Real staff_space = Staff_symbol_referencer::staff_space (me);
Real half_space = staff_space * 0.5;
+ Interval height;
+ height[-d] = stem_beg * half_space;
height[d] = se * half_space + beam_end_corrective (me);
Real stemlet_length = robust_scm2double (me->get_property ("stemlet-length"),
Grob *n = heads[i];
int p = Staff_symbol_referencer::get_rounded_position (n);
- Direction d = LEFT;
- do
+ for (LEFT_and_RIGHT (d))
{
if (d * p > d * extpos[d])
{
extpos[d] = p;
}
}
- while (flip (&d) != DOWN);
}
return exthead;
}
-/* The positions, in ascending order. */
+/* The staff positions, in ascending order.
+ * If FILTER, include the main column of noteheads only */
vector<int>
-Stem::note_head_positions (Grob *me)
+Stem::note_head_positions (Grob *me, bool filter)
{
vector<int> ps;
extract_grob_set (me, "note-heads", heads);
+ Grob *xref = common_refpoint_of_array (heads, me, X_AXIS);
for (vsize i = heads.size (); i--;)
{
Grob *n = heads[i];
- int p = Staff_symbol_referencer::get_rounded_position (n);
+ if (filter
+ && n->relative_coordinate (xref, X_AXIS) != 0.0)
+ continue;
+ int p = Staff_symbol_referencer::get_rounded_position (n);
ps.push_back (p);
}
Stem::is_normal_stem (Grob *me)
{
if (!head_count (me))
- return false;
+ return false;
extract_grob_set (me, "note-heads", heads);
SCM style = heads[0]->get_property ("style");
{
Interval overshoot;
Direction dir = get_grob_direction (me);
- Direction d = DOWN;
- do
+ for (DOWN_and_UP (d))
overshoot[d] = d == dir ? dir * infinity_f : iv[d];
- while (flip (&d) != DOWN);
vector<Interval> heights;
vector<Grob *> my_stems;
{
Interval overshoot;
Direction dir = get_grob_direction (me);
- Direction d = DOWN;
- do
+ for (DOWN_and_UP (d))
overshoot[d] = d == dir ? dir * infinity_f : my_iv[d];
- while (flip (&d) != DOWN);
iv.intersect (overshoot);
dynamic_cast<Item *> (me)->cache_pure_height (iv);