*/
#include "stem.hh"
+#include "spanner.hh"
#include <cmath> // rint
using namespace std;
return 0;
SCM lst = index_get_cell (pair, d);
- return scm_ilength (lst);
+
+ int len = scm_ilength (lst);
+ return max (len, 0);
}
Interval
return exthead;
}
-static int
-integer_compare (int const &a, int const &b)
-{
- return a - b;
-}
-
/* The positions, in ascending order. */
vector<int>
Stem::note_head_positions (Grob *me)
ps.push_back (p);
}
- vector_sort (ps, integer_compare);
+ vector_sort (ps, less<int> ());
return ps;
}
&& scm_to_int (me->get_property ("duration-log")) >= 1);
}
+MAKE_SCHEME_CALLBACK (Stem, pure_height, 3)
+SCM
+Stem::pure_height (SCM smob, SCM start, SCM end)
+{
+ (void) start;
+ (void) end;
+
+
+ Grob *me = unsmob_grob (smob);
+ Real ss = Staff_symbol_referencer::staff_space (me);
+ Real len = scm_to_double (calc_length (smob)) * ss / 2;
+ Direction dir = get_grob_direction (me);
+
+ Interval iv;
+ Interval hp = head_positions (me);
+ if (dir == UP)
+ iv = Interval (0, len);
+ else
+ iv = Interval (-len, 0);
+
+ if (!hp.is_empty ())
+ iv.translate (hp[dir] * ss / 2);
+
+ return ly_interval2scm (iv);
+}
+
MAKE_SCHEME_CALLBACK (Stem, calc_stem_end_position, 1)
SCM
Stem::calc_stem_end_position (SCM smob)
if (!head_count (me))
return scm_from_double (0.0);
+ if (Grob *beam = get_beam (me))
+ {
+ (void) beam->get_property ("quantized-positions");
+ return me->get_property ("stem-end-position");
+ }
Real ss = Staff_symbol_referencer::staff_space (me);
int durlog = duration_log (me);
extract_grob_set (me, "note-heads", ro_heads);
vector<Grob*> heads (ro_heads);
- vector_sort (heads, compare_position);
+ vector_sort (heads, position_less);
Direction dir = get_grob_direction (me);
if (dir < 0)
dir = UP;
set_grob_direction (me, dir);
}
-
+
+ bool is_harmonic_centered = false;
+ for (vsize i = 0; i < heads.size (); i++)
+ is_harmonic_centered = is_harmonic_centered
+ || heads[i]->get_property ("style") == ly_symbol2scm ("harmonic");
+ is_harmonic_centered = is_harmonic_centered && is_invisible (me);
+
Real w = hed->extent (hed, X_AXIS)[dir];
for (vsize i = 0; i < heads.size (); i++)
- heads[i]->translate_axis (w - heads[i]->extent (heads[i], X_AXIS)[dir],
- X_AXIS);
+ {
+ Real amount = w - heads[i]->extent (heads[i], X_AXIS)[dir];
+ if (is_harmonic_centered)
+ amount =
+ hed->extent (hed, X_AXIS).linear_combination (CENTER)
+ - heads[i]->extent (heads[i], X_AXIS).linear_combination (CENTER);
+
+ heads[i]->translate_axis (amount, X_AXIS);
+ }
bool parity = true;
Real lastpos = Real (Staff_symbol_referencer::get_position (heads[0]));
for (vsize i = 1; i < heads.size (); i++)
Stem::print (SCM smob)
{
Grob *me = unsmob_grob (smob);
+ Grob *beam = get_beam (me);
+
Stencil mol;
Direction d = get_grob_direction (me);
= to_boolean (me->get_property ("avoid-note-head"))
? last_head (me)
: first_head (me);
- Grob *beam = get_beam (me);
if (!lh && !stemlet)
return SCM_EOL;
}
/* FIXME: Too many properties */
-ADD_INTERFACE (Stem, "stem-interface",
+ADD_INTERFACE (Stem,
"The stem represent the graphical stem. "
"In addition, it internally connects note heads, beams and"
"tremolos. "