source file of the GNU LilyPond music typesetter
- (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include <math.h> // ceil
-#include "axis-group-interface.hh"
-#include "dot-column.hh"
#include "note-column.hh"
-#include "beam.hh"
+
+#include <cmath> // ceil
+using namespace std;
+
+#include "accidental-placement.hh"
+#include "axis-group-interface.hh"
+#include "directional-element-interface.hh"
+#include "international.hh"
#include "note-head.hh"
-#include "stem.hh"
+#include "output-def.hh"
+#include "pointer-group-interface.hh"
#include "rest.hh"
-#include "debug.hh"
-#include "paper-def.hh"
-#include "group-interface.hh"
#include "staff-symbol-referencer.hh"
+#include "stem.hh"
+#include "warn.hh"
+
+/*
+ TODO: figure out if we can prune this class. This is just an
+ annoying layer between (rest)collision & (note-head + stem)
+*/
bool
-Note_column::rest_b () const
+Note_column::has_rests (Grob *me)
{
- SCM r = get_elt_pointer ("rests");
-
- return gh_pair_p (r);
+ return unsmob_grob (me->get_object ("rest"));
}
int
-Note_column::shift_compare (Note_column *const &p1, Note_column*const&p2)
+Note_column::shift_compare (Grob *const &p1, Grob *const &p2)
{
- SCM s1 = p1->get_elt_property ("horizontal-shift");
- SCM s2 = p2->get_elt_property ("horizontal-shift");
+ SCM s1 = p1->get_property ("horizontal-shift");
+ SCM s2 = p2->get_property ("horizontal-shift");
- int h1 = (gh_number_p (s1))? gh_scm2int (s1) :0;
- int h2 = (gh_number_p (s2)) ? gh_scm2int (s2):0;
+ int h1 = (scm_is_number (s1)) ? scm_to_int (s1) : 0;
+ int h2 = (scm_is_number (s2)) ? scm_to_int (s2) : 0;
return h1 - h2;
}
-Note_column::Note_column( SCM s)
- : Item (s)
+Item *
+Note_column::get_stem (Grob *me)
{
- set_elt_pointer ("rests", SCM_EOL);
- set_elt_pointer ("note-heads", SCM_EOL);
- Axis_group_interface (this).set_interface ();
- Axis_group_interface (this).set_axes (X_AXIS, Y_AXIS);
- Group_interface (this, "interfaces").add_thing (ly_symbol2scm ("Note_column"));
+ SCM s = me->get_object ("stem");
+ return unsmob_item (s);
}
-Stem *
-Note_column::stem_l () const
-{
- SCM s = get_elt_pointer ("stem");
- return dynamic_cast<Stem*> (unsmob_element (s));
-
-}
-
-
Slice
-Note_column::head_positions_interval() const
+Note_column::head_positions_interval (Grob *me)
{
- Slice iv;
+ Slice iv;
iv.set_empty ();
- SCM h = get_elt_pointer ("note-heads");
- for (; gh_pair_p (h); h = gh_cdr (h))
+ extract_grob_set (me, "note-heads", heads);
+ for (vsize i = 0; i < heads.size (); i++)
{
- Score_element *se = unsmob_element (gh_car (h));
- Staff_symbol_referencer_interface si (se);
-
- int j = int (si.position_f ());
- iv.unite (Slice (j,j));
+ Grob *se = heads[i];
+
+ int j = Staff_symbol_referencer::get_rounded_position (se);
+ iv.unite (Slice (j, j));
}
return iv;
}
Direction
-Note_column::dir () const
+Note_column::dir (Grob *me)
{
- if (stem_l ())
- return stem_l ()->get_direction ();
- else if (gh_pair_p (get_elt_pointer ("note-heads")))
- return (Direction)sign (head_positions_interval().center ());
+ Grob *stem = unsmob_grob (me->get_object ("stem"));
+ if (stem && Stem::has_interface (stem))
+ return get_grob_direction (stem);
+ else
+ {
+ extract_grob_set (me, "note-heads", heads);
+ if (heads.size ())
+ return (Direction)sign (head_positions_interval (me).center ());
+ }
- programming_error ("Note column without heads and stem!");
+ programming_error ("note column without heads and stem");
return CENTER;
}
-
void
-Note_column::set_stem (Stem * stem_l)
+Note_column::set_stem (Grob *me, Grob *stem)
{
- set_elt_pointer ("stem", stem_l->self_scm_);
-
- add_dependency (stem_l);
- Axis_group_interface (this).add_element (stem_l);
+ me->set_object ("stem", stem->self_scm ());
+ Axis_group_interface::add_element (me, stem);
}
-
+Grob *
+Note_column::get_rest (Grob *me)
+{
+ return unsmob_grob (me->get_object ("rest"));
+}
void
-Note_column::add_head (Rhythmic_head *h)
+Note_column::add_head (Grob *me, Grob *h)
{
- if (Rest*r=dynamic_cast<Rest *> (h))
+ bool both = false;
+ if (Rest::has_interface (h))
{
- Pointer_group_interface gi (this, "rests");
- gi.add_element (h);
+ extract_grob_set (me, "note-heads", heads);
+ if (heads.size ())
+ both = true;
+ else
+ me->set_object ("rest", h->self_scm ());
}
- if (Note_head *nh=dynamic_cast<Note_head *> (h))
+ else if (Note_head::has_interface (h))
{
- Pointer_group_interface gi (this, "note-heads");
- gi.add_element (nh);
+ if (unsmob_grob (me->get_object ("rest")))
+ both = true;
+ Pointer_group_interface::add_grob (me, ly_symbol2scm ("note-heads"), h);
}
- Axis_group_interface (this).add_element (h);
+
+ if (both)
+ me->warning (_ ("can't have note heads and rests together on a stem"));
+ else
+ Axis_group_interface::add_element (me, h);
}
/**
- translate the rest symbols vertically by amount DY_I.
- */
+ translate the rest symbols vertically by amount DY, but only if
+ they have no staff-position set.
+*/
void
-Note_column::translate_rests (int dy_i)
+Note_column::translate_rests (Grob *me, int dy)
{
- SCM s = get_elt_pointer ("rests");
- for (; gh_pair_p (s); s = gh_cdr (s))
+ Grob *r = unsmob_grob (me->get_object ("rest"));
+ if (r && !scm_is_number (r->get_property ("staff-position")))
{
- Score_element * se = unsmob_element (gh_car (s));
- Staff_symbol_referencer_interface si (se);
-
- se->translate_axis (dy_i * si.staff_space ()/2.0, Y_AXIS);
+ r->translate_axis (dy * Staff_symbol_referencer::staff_space (r) / 2.0, Y_AXIS);
+ Grob *p = r->get_parent (Y_AXIS);
+ p->flush_extent_cache (Y_AXIS);
}
}
-
void
-Note_column::set_dotcol (Dot_column *d)
+Note_column::set_dotcol (Grob *me, Grob *d)
{
- Axis_group_interface (this).add_element (d);
+ Axis_group_interface::add_element (me, d);
}
-/*
- [TODO]
- handle rest under beam (do_post: beams are calculated now)
- what about combination of collisions and rest under beam.
-
- Should lookup
-
- rest -> stem -> beam -> interpolate_y_position ()
-*/
-
-void
-Note_column::after_line_breaking ()
+Grob *
+Note_column::first_head (Grob *me)
{
- if (!stem_l () || !rest_b ())
- return;
-
- Beam * b = stem_l ()->beam_l ();
- if (!b || !b->visible_stem_count ())
- return;
-
- /* ugh. Should be done by beam.
- (what? should be done --jcn)
- scary too?: height is calculated during post_processing
- */
- Real beam_dy = 0;
- Real beam_y = 0;
-
- SCM s = b->get_elt_property ("height");
- if (gh_number_p (s))
- beam_dy = gh_scm2double (s);
-
- s = b->get_elt_property ("y-position");
- if (gh_number_p (s))
- beam_y = gh_scm2double (s);
-
-
- Real x0 = b->first_visible_stem ()->relative_coordinate (0, X_AXIS);
- Real dx = b->last_visible_stem ()->relative_coordinate (0, X_AXIS) - x0;
- Real dydx = beam_dy && dx ? beam_dy/dx : 0;
-
- Direction d = stem_l ()->get_direction ();
- Real beamy = (stem_l ()->relative_coordinate (0, X_AXIS) - x0) * dydx + beam_y;
-
- s = get_elt_pointer ("rests");
- Score_element * se = unsmob_element (gh_car (s));
- Staff_symbol_referencer_interface si (se);
-
- Real staff_space = si.staff_space ();
- Real rest_dim = extent (Y_AXIS)[d]*2.0 /staff_space ;
-
- Real minimum_dist
- = paper_l ()->get_var ("restcollision_minimum_beamdist") ;
- Real dist =
- minimum_dist + -d * (beamy - rest_dim) >? 0;
-
- int stafflines = si.line_count ();
-
- // move discretely by half spaces.
- int discrete_dist = int (ceil (dist ));
-
- // move by whole spaces inside the staff.
- if (discrete_dist < stafflines+1)
- discrete_dist = int (ceil (discrete_dist / 2.0)* 2.0);
-
- translate_rests (-d * discrete_dist);
+ Grob *st = get_stem (me);
+ return st ? Stem::first_head (st) : 0;
}
-
-Interval
-Note_column::rest_dim () const
+/*
+ Return the first Accidentals grob that we find in a note-head.
+*/
+Grob *
+Note_column::accidentals (Grob *me)
{
- Interval restdim;
- SCM s = get_elt_pointer ("rests");
- for (; gh_pair_p (s); s = gh_cdr (s))
+ extract_grob_set (me, "note-heads", heads);
+ Grob *acc = 0;
+ for (vsize i = 0; i < heads.size (); i++)
{
- Score_element * sc = unsmob_element ( gh_car (s));
- restdim.unite (sc->extent (Y_AXIS));
+ Grob *h = heads[i];
+ acc = h ? unsmob_grob (h->get_object ("accidental-grob")) : 0;
+ if (acc)
+ break;
}
-
- return restdim;
+
+ if (!acc)
+ return 0;
+
+ if (Accidental_placement::has_interface (acc->get_parent (X_AXIS)))
+ return acc->get_parent (X_AXIS);
+
+ /* compatibility. */
+ return acc;
}
-Note_head*
-Note_column::first_head () const
+Grob *
+Note_column::arpeggio (Grob *me)
{
- Stem * st = stem_l ();
- return st? st->first_head (): 0;
+ return unsmob_grob (me->get_object ("arpeggio"));
}
+
+ADD_INTERFACE (Note_column, "note-column-interface",
+ "Stem and noteheads combined",
+ "arpeggio note-heads rest-collision rest horizontal-shift stem accidentals force-hshift");
projects / lilypond.git / blobdiff