#include "beam.hh"
#include "rest.hh"
#include "group-interface.hh"
-#include "cross-staff.hh"
+// #include "cross-staff.hh"
#include "staff-symbol-referencer.hh"
#include "spanner.hh"
void
-Stem::set_beaming (Score_element*me ,int i, Direction d )
+Stem::set_beaming (Grob*me ,int i, Direction d )
{
- SCM pair = me->get_elt_property ("beaming");
+ SCM pair = me->get_grob_property ("beaming");
if (!gh_pair_p (pair))
{
pair = gh_cons (gh_int2scm (0),gh_int2scm (0));
- me-> set_elt_property ("beaming", pair);
+ me-> set_grob_property ("beaming", pair);
}
index_set_cell (pair, d, gh_int2scm (i));
}
int
-Stem::beam_count (Score_element*me,Direction d)
+Stem::beam_count (Grob*me,Direction d)
{
- SCM p=me->get_elt_property ("beaming");
+ SCM p=me->get_grob_property ("beaming");
if (gh_pair_p (p))
return gh_scm2int (index_cell (p,d));
else
}
Interval
-Stem::head_positions (Score_element*me)
+Stem::head_positions (Grob*me)
{
if (!heads_i (me))
{
return iv;
}
- Drul_array<Score_element*> e (extremal_heads (me));
+ Drul_array<Grob*> e (extremal_heads (me));
return Interval (Staff_symbol_referencer::position_f (e[DOWN]),
Staff_symbol_referencer::position_f ( e[UP]));
Real
-Stem::chord_start_f (Score_element*me)
+Stem::chord_start_f (Grob*me)
{
return head_positions(me)[get_direction (me)]
* Staff_symbol_referencer::staff_space (me)/2.0;
}
Real
-Stem::stem_end_position (Score_element*me)
+Stem::stem_end_position (Grob*me)
{
- SCM p =me->get_elt_property ("stem-end-position");
+ SCM p =me->get_grob_property ("stem-end-position");
Real pos;
if (!gh_number_p (p))
{
pos = get_default_stem_end_position (me);
- me->set_elt_property ("stem-end-position", gh_double2scm (pos));
+ me->set_grob_property ("stem-end-position", gh_double2scm (pos));
}
else
pos = gh_scm2double (p);
}
Direction
-Stem::get_direction (Score_element*me)
+Stem::get_direction (Grob*me)
{
Direction d = Directional_element_interface::get (me);
void
-Stem::set_stemend (Score_element*me, Real se)
+Stem::set_stemend (Grob*me, Real se)
{
// todo: margins
Direction d= get_direction (me);
if (d && d * head_positions(me)[get_direction (me)] >= se*d)
warning (_ ("Weird stem size; check for narrow beams"));
- me->set_elt_property ("stem-end-position", gh_double2scm (se));
+ me->set_grob_property ("stem-end-position", gh_double2scm (se));
}
int
-Stem::type_i (Score_element*me)
+Stem::type_i (Grob*me)
{
return first_head (me) ? Rhythmic_head::balltype_i (first_head (me)) : 2;
}
/*
Note head that determines hshift for upstems
*/
-Score_element*
-Stem::support_head (Score_element*me)
+Grob*
+Stem::support_head (Grob*me)
{
- SCM h = me->get_elt_property ("support-head");
- Score_element * nh = unsmob_element (h);
+ SCM h = me->get_grob_property ("support-head");
+ Grob * nh = unsmob_grob (h);
if (nh)
return nh;
else if (heads_i (me) == 1)
UGH.
*/
- return unsmob_element (gh_car (me->get_elt_property ("heads")));
+ return unsmob_grob (gh_car (me->get_grob_property ("heads")));
}
else
return first_head (me);
int
-Stem::heads_i (Score_element*me)
+Stem::heads_i (Grob*me)
{
return Pointer_group_interface::count (me, "heads");
}
/*
The note head which forms one end of the stem.
*/
-Score_element*
-Stem::first_head (Score_element*me)
+Grob*
+Stem::first_head (Grob*me)
{
return extremal_heads (me)[-get_direction (me)];
}
/*
START is part where stem reaches `last' head.
*/
-Drul_array<Score_element*>
-Stem::extremal_heads (Score_element*me)
+Drul_array<Grob*>
+Stem::extremal_heads (Grob*me)
{
const int inf = 1000000;
Drul_array<int> extpos;
extpos[DOWN] = inf;
extpos[UP] = -inf;
- Drul_array<Score_element *> exthead;
+ Drul_array<Grob *> exthead;
exthead[LEFT] = exthead[RIGHT] =0;
- for (SCM s = me->get_elt_property ("heads"); gh_pair_p (s); s = gh_cdr (s))
+ for (SCM s = me->get_grob_property ("heads"); gh_pair_p (s); s = gh_cdr (s))
{
- Score_element * n = unsmob_element (gh_car (s));
+ Grob * n = unsmob_grob (gh_car (s));
int p = int(Staff_symbol_referencer::position_f (n));
}
void
-Stem::add_head (Score_element*me, Score_element *n)
+Stem::add_head (Grob*me, Grob *n)
{
- n->set_elt_property ("stem", me->self_scm ());
+ n->set_grob_property ("stem", me->self_scm ());
n->add_dependency (me);
if (Note_head::has_interface (n))
}
else
{
- n->set_elt_property ("rest", n->self_scm ());
+ n->set_grob_property ("rest", n->self_scm ());
}
}
bool
-Stem::invisible_b (Score_element*me)
+Stem::invisible_b (Grob*me)
{
return !(heads_i (me) && Rhythmic_head::balltype_i (support_head (me)) >= 1);
}
int
-Stem::get_center_distance (Score_element*me, Direction d)
+Stem::get_center_distance (Grob*me, Direction d)
{
int staff_center = 0;
int distance = (int) (d*(head_positions(me)[d] - staff_center));
}
Direction
-Stem::get_default_dir (Score_element*me)
+Stem::get_default_dir (Grob*me)
{
int du = get_center_distance (me,UP);
int dd = get_center_distance (me,DOWN);
if (sign (dd - du))
return Direction (sign (dd -du));
- return to_dir (me->get_elt_property ("default-neutral-direction"));
+ return to_dir (me->get_grob_property ("default-neutral-direction"));
}
Real
-Stem::get_default_stem_end_position (Score_element*me)
+Stem::get_default_stem_end_position (Grob*me)
{
- bool grace_b = to_boolean (me->get_elt_property ("grace"));
+ bool grace_b = to_boolean (me->get_grob_property ("grace"));
SCM s;
Array<Real> a;
Real length_f = 0.;
- SCM scm_len = me->get_elt_property("length");
+ SCM scm_len = me->get_grob_property("length");
if (gh_number_p (scm_len))
{
length_f = gh_scm2double (scm_len);
}
else
{
- s = me->get_elt_property("lengths");
+ s = me->get_grob_property("lengths");
for (SCM q = s; q != SCM_EOL; q = gh_cdr (q))
a.push (gh_scm2double (gh_car (q)));
a.clear ();
- s = me->get_elt_property ("stem-shorten");
+ s = me->get_grob_property ("stem-shorten");
for (SCM q = s; gh_pair_p (q); q = gh_cdr (q))
a.push (gh_scm2double (gh_car (q)));
Real st = head_positions(me)[dir] + dir * length_f;
- bool no_extend_b = to_boolean (me->get_elt_property ("no-stem-extend"));
+ bool no_extend_b = to_boolean (me->get_grob_property ("no-stem-extend"));
if (!grace_b && !no_extend_b && dir * st < 0) // junkme?
st = 0.0;
Number of hooks on the flag, ie. the log of the duration.
*/
int
-Stem::flag_i (Score_element*me)
+Stem::flag_i (Grob*me)
{
- SCM s = me->get_elt_property ("duration-log");
+ SCM s = me->get_grob_property ("duration-log");
return (gh_number_p (s)) ? gh_scm2int (s) : 2;
}
void
-Stem::position_noteheads (Score_element*me)
+Stem::position_noteheads (Grob*me)
{
if (!heads_i (me))
return;
- Link_array<Score_element> heads =
- Pointer_group_interface__extract_elements (me, (Score_element*)0, "heads");
+ Link_array<Grob> heads =
+ Pointer_group_interface__extract_elements (me, (Grob*)0, "heads");
heads.sort (compare_position);
Direction dir =get_direction (me);
heads.reverse ();
- Score_element *hed = support_head (me);
+ Grob *hed = support_head (me);
Real w = hed->extent (hed, X_AXIS)[dir];
for (int i=0; i < heads.size (); i++)
{
SCM
Stem::before_line_breaking (SCM smob)
{
- Score_element*me = unsmob_element (smob);
+ Grob*me = unsmob_grob (smob);
stem_end_position (me); // ugh. Trigger direction calc.
position_noteheads (me);
if (invisible_b (me))
{
- me->remove_elt_property ("molecule-callback");
+ me->remove_grob_property ("molecule-callback");
// suicide();
}
}
+/*
+ ugh.
+ When in a beam with tuplet brackets, brew_mol is called early,
+ caching a wrong value.
+ */
+MAKE_SCHEME_CALLBACK (Stem, height, 2);
+SCM
+Stem::height (SCM smob, SCM ax)
+{
+ Axis a = (Axis)gh_scm2int (ax);
+ Grob * me = unsmob_grob (smob);
+ assert ( a == Y_AXIS);
+
+ SCM mol = me->get_uncached_molecule ();
+ Interval iv;
+ if (mol != SCM_EOL)
+ iv = unsmob_molecule (mol)->extent (a);
+ return ly_interval2scm (iv);
+}
+
/**
set stem directions for hinting the optical spacing correction.
TODO: more advanced: supply height of noteheads as well, for more advanced spacing possibilities
*/
void
-Stem::set_spacing_hints (Score_element*me)
+Stem::set_spacing_hints (Grob*me)
{
if (!invisible_b (me))
{
Item* item = dynamic_cast<Item*> (me);
Item * col = item->column_l ();
- SCM dirlist =col->get_elt_property ("dir-list");
+ SCM dirlist =col->get_grob_property ("dir-list");
if (scm_sloppy_memq (scmdir, dirlist) == SCM_BOOL_F)
{
dirlist = gh_cons (scmdir, dirlist);
- col->set_elt_property ("dir-list", dirlist);
+ col->set_grob_property ("dir-list", dirlist);
}
}
}
Molecule
-Stem::flag (Score_element*me)
+Stem::flag (Grob*me)
{
String style;
- SCM st = me->get_elt_property ("flag-style");
+ SCM st = me->get_grob_property ("flag-style");
if ( gh_string_p (st))
{
style = ly_scm2string (st);
MAKE_SCHEME_CALLBACK(Stem,dim_callback,2);
SCM
-Stem::dim_callback (SCM e, SCM )
+Stem::dim_callback (SCM e, SCM ax)
{
- Score_element *se = unsmob_element (e);
+ Axis a = (Axis) gh_scm2int (ax);
+ assert (a == X_AXIS);
+ Grob *se = unsmob_grob (e);
Interval r (0, 0);
- if (unsmob_element (se->get_elt_property ("beam")) || abs (flag_i (se)) <= 2)
+ if (unsmob_grob (se->get_grob_property ("beam")) || abs (flag_i (se)) <= 2)
; // TODO!
else
{
SCM
Stem::brew_molecule (SCM smob)
{
- Score_element*me = unsmob_element (smob);
+ Grob*me = unsmob_grob (smob);
Molecule mol;
Direction d = get_direction (me);
Real dy = Staff_symbol_referencer::staff_space (me)/2.0;
Real head_wid = 0;
- if (Score_element *hed = support_head (me))
+ if (Grob *hed = support_head (me))
head_wid = hed->extent (hed,X_AXIS).length ();
stem_y[Direction(-d)] += d * head_wid * tan(ANGLE)/(2*dy);
if (!invisible_b (me))
{
- Real stem_width = gh_scm2double (me->get_elt_property ("thickness")) * me->paper_l ()->get_var ("stafflinethickness");
+ Real stem_width = gh_scm2double (me->get_grob_property ("thickness")) * me->paper_l ()->get_var ("stafflinethickness");
Molecule ss =Lookup::filledbox (Box (Interval (-stem_width/2, stem_width/2),
Interval (stem_y[DOWN]*dy, stem_y[UP]*dy)));
mol.add_molecule (ss);
SCM
Stem::off_callback (SCM element_smob, SCM )
{
- Score_element *me = unsmob_element (element_smob);
+ Grob *me = unsmob_grob (element_smob);
Real r=0;
- if (Score_element * f = first_head (me))
+ if (Grob * f = first_head (me))
{
Interval head_wid(0, f->extent (f,X_AXIS).length ());
- if (to_boolean (me->get_elt_property ("stem-centered")))
+ if (to_boolean (me->get_grob_property ("stem-centered")))
return gh_double2scm ( head_wid.center ());
- Real rule_thick = gh_scm2double (me->get_elt_property ("thickness")) * me->paper_l ()->get_var ("stafflinethickness");
+ Real rule_thick = gh_scm2double (me->get_grob_property ("thickness")) * me->paper_l ()->get_var ("stafflinethickness");
Direction d = get_direction (me);
r = head_wid[d] - d * rule_thick ;
}
-Score_element*
-Stem::beam_l (Score_element*me)
+Grob*
+Stem::beam_l (Grob*me)
{
- SCM b= me->get_elt_property ("beam");
- return unsmob_element (b);
+ SCM b= me->get_grob_property ("beam");
+ return unsmob_grob (b);
}
// ugh still very long.
Stem_info
-Stem::calc_stem_info (Score_element*me)
+Stem::calc_stem_info (Grob*me)
{
- Score_element * beam = beam_l (me);
+ Grob * beam = beam_l (me);
Direction beam_dir = Directional_element_interface::get (beam);
if (!beam_dir)
int multiplicity = Beam::get_multiplicity (beam);
- SCM space_proc = beam->get_elt_property ("space-function");
+ SCM space_proc = beam->get_grob_property ("space-function");
SCM space = gh_call1 (space_proc, gh_int2scm (multiplicity));
Real interbeam_f = gh_scm2double (space) * staff_space;
- Real thick = gh_scm2double (beam->get_elt_property ("thickness"));
+ Real thick = gh_scm2double (beam->get_grob_property ("thickness"));
Stem_info info;
info.idealy_f_ = chord_start_f (me);
// for simplicity, we calculate as if dir == UP
info.idealy_f_ *= beam_dir;
- SCM grace_prop = me->get_elt_property ("grace");
+ SCM grace_prop = me->get_grob_property ("grace");
bool grace_b = to_boolean (grace_prop);
Array<Real> a;
SCM s;
- s = me->get_elt_property("beamed-minimum-lengths");
+ s = me->get_grob_property("beamed-minimum-lengths");
a.clear ();
for (SCM q = s; q != SCM_EOL; q = gh_cdr (q))
a.push (gh_scm2double (gh_car (q)));
Real minimum_length = a[multiplicity <? (a.size () - 1)] * staff_space;
- s = me->get_elt_property ("beamed-lengths");
+ s = me->get_grob_property ("beamed-lengths");
a.clear();
for (SCM q = s; q != SCM_EOL; q = gh_cdr (q))
than middle staffline, just as normal stems.
*/
- bool no_extend_b = to_boolean (me->get_elt_property ("no-stem-extend"));
+ bool no_extend_b = to_boolean (me->get_grob_property ("no-stem-extend"));
if (!grace_b && !no_extend_b)
{
/* highest beam of (UP) beam must never be lower than middle
info.idealy_f_ = (info.maxy_f_ <? info.idealy_f_) >? info.miny_f_;
- s = beam->get_elt_property ("shorten");
+ s = beam->get_grob_property ("shorten");
if (gh_number_p (s))
info.idealy_f_ -= gh_scm2double (s);
- Real interstaff_f = -beam_dir* calc_interstaff_dist (dynamic_cast<Item*> (me), dynamic_cast<Spanner*> (beam));
+ Grob *common = me->common_refpoint (beam, Y_AXIS);
+ Real interstaff_f = beam_dir *
+ (me->relative_coordinate (common, Y_AXIS)
+ - beam->relative_coordinate (common, Y_AXIS));
info.idealy_f_ += interstaff_f;
info.miny_f_ += interstaff_f;
}
bool
-Stem::has_interface (Score_element*m)
+Stem::has_interface (Grob*m)
{
return m && m->has_interface (ly_symbol2scm ("stem-interface"));
}
void
-Stem::set_interface (Score_element*me)
+Stem::set_interface (Grob*me)
{
me->set_interface (ly_symbol2scm ("stem-interface"));
}