source file of the GNU LilyPond music typesetter
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "dot-column.hh"
+
#include "note-column.hh"
-#include "script.hh"
-#include "note-head.hh"
+
+#include <math.h> // ceil
+
+#include "axis-group-interface.hh"
#include "stem.hh"
+#include "warn.hh"
+#include "output-def.hh"
+#include "staff-symbol-referencer.hh"
#include "rest.hh"
-#include "debug.hh"
-
+#include "note-head.hh"
+#include "accidental-placement.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
-{
- return rest_l_arr_.size ();
-}
-
-Note_column::Note_column()
+Note_column::has_rests (Grob *me)
{
- stem_l_ = 0;
- h_shift_b_ = false;
- dir_ =CENTER;
+ return unsmob_grob (me->get_property ("rest"));
}
-void
-Note_column::sort()
-{
- head_l_arr_.sort (Note_head::compare);
-}
-
-Interval_t<int>
-Note_column::head_positions_interval() const
+int
+Note_column::shift_compare (Grob *const &p1, Grob *const &p2)
{
- ((Note_column*)this)->sort();
- Interval_t<int> iv;
+ SCM s1 = p1->get_property ("horizontal-shift");
+ SCM s2 = p2->get_property ("horizontal-shift");
- iv.set_empty ();
-
- if (head_l_arr_.size ())
- iv = Interval_t<int>(head_l_arr_[0]->position_i_,
- head_l_arr_.top()->position_i_);
-
- return iv;
+ 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;
}
-Interval
-Note_column::width () const
+Item *
+Note_column::get_stem (Grob *me)
{
- if (head_l_arr_.size ())
- return head_l_arr_[0]->width ();
- else
- return Interval (0,0);
+ SCM s = me->get_property ("stem");
+ return unsmob_item (s);
}
-void
-Note_column::do_pre_processing()
+Slice
+Note_column::head_positions_interval (Grob *me)
{
+ Slice iv;
+
+ iv.set_empty ();
- if (!dir_)
+ SCM h = me->get_property ("note-heads");
+ for (; scm_is_pair (h); h = scm_cdr (h))
{
- if (stem_l_)
- dir_ = stem_l_->dir_;
- else if (head_l_arr_.size ())
- {
- dir_ = (head_positions_interval().center () >= 5) ? DOWN:UP;
- }
+ Grob *se = unsmob_grob (scm_car (h));
+
+ int j = Staff_symbol_referencer::get_rounded_position (se);
+ iv.unite (Slice (j, j));
}
- Script_column::do_pre_processing();
+ return iv;
}
-
+Direction
+Note_column::dir (Grob *me)
+{
+ Grob *stem = unsmob_grob (me->get_property ("stem"));
+ if (stem && Stem::has_interface (stem))
+ return Stem::get_direction (stem);
+ else if (scm_is_pair (me->get_property ("note-heads")))
+ return (Direction)sign (head_positions_interval (me).center ());
+
+ 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)
{
- add_support (stem_l);
- stem_l_ = stem_l;
- /*
- don't add stem to support; mostly invisible for rest-columns (and possibly taken . .)
- */
- Score_element::add_dependency (stem_l);
- for (int i=0; i < script_l_arr_.size(); i++)
- script_l_arr_[i]->set_stem (stem_l);
+ me->set_property ("stem", stem->self_scm ());
+ me->add_dependency (stem);
+ Axis_group_interface::add_element (me, stem);
}
-void
-Note_column::add_script (Script *script_l)
+Grob *
+Note_column::get_rest (Grob *me)
{
- Script_column::add_script (script_l) ;
- if (stem_l_)
- script_l->set_stem (stem_l_);
+ return unsmob_grob (me->get_property ("rest"));
}
void
-Note_column::do_substitute_dependency (Score_element*o, Score_element*n)
+Note_column::add_head (Grob *me, Grob *h)
{
- if (stem_l_ == o)
- {
- stem_l_ = n ? dynamic_cast<Stem *> (n):0;
- }
- if (dynamic_cast<Note_head *> (o))
+ bool both = false;
+ if (Rest::has_interface (h))
{
- head_l_arr_.substitute (dynamic_cast<Note_head *> (o),
- (n)? dynamic_cast<Note_head *> (n) : 0);
+ if (scm_is_pair (me->get_property ("note-heads")))
+ both = true;
+ else
+ me->set_property ("rest", h->self_scm ());
}
- Script_column::do_substitute_dependency (o,n);
- if (dynamic_cast<Rest *> (o))
+ else if (Note_head::has_interface (h))
{
- rest_l_arr_.substitute (dynamic_cast<Rest *> (o),
- (n)? dynamic_cast<Rest *> (n) : 0);
+ if (unsmob_grob (me->get_property ("rest")))
+ both = true;
+ Pointer_group_interface::add_grob (me, ly_symbol2scm ("note-heads"), 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, but only if
+ they have no staff-position set.
+*/
void
-Note_column::add_head (Rhythmic_head *h)
+Note_column::translate_rests (Grob *me, int dy)
{
- if (dynamic_cast<Rest *> (h))
+ Grob *r = unsmob_grob (me->get_property ("rest"));
+ if (r && !scm_is_number (r->get_property ("staff-position")))
{
- rest_l_arr_.push ((Rest*)h);
- add_support (h);
- }
- if (dynamic_cast<Note_head *> (h))
- {
- head_l_arr_.push ((Note_head*) h);
- add_support (h);
+ 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);
}
}
-/**
- translate the rest symbols
- */
void
-Note_column::translate_rests (int dy_i)
+Note_column::set_dotcol (Grob *me, Grob *d)
{
- invalidate_cache (Y_AXIS);
- for (int i=0; i < rest_l_arr_.size(); i++)
- rest_l_arr_[i]->position_i_ += dy_i;
+ Axis_group_interface::add_element (me, d);
}
-void
-Note_column::do_print() const
+Grob *
+Note_column::first_head (Grob *me)
{
-#ifndef NPRINT
- DOUT << "rests: " << rest_l_arr_.size() << ", ";
- DOUT << "heads: " << head_l_arr_.size();
-#endif
+ Grob *st = get_stem (me);
+ return st ? Stem::first_head (st) : 0;
}
-void
-Note_column::set_dotcol (Dot_column *d)
+/*
+ Return the first Accidentals grob that we find in a note-head.
+*/
+Grob *
+Note_column::accidentals (Grob *me)
{
- add_element (d);
+ SCM heads = me->get_property ("note-heads");
+ Grob *acc = 0;
+ for (;scm_is_pair (heads); heads = scm_cdr (heads))
+ {
+ Grob *h = unsmob_grob (scm_car (heads));
+ acc = h ? unsmob_grob (h->get_property ("accidental-grob")) : 0;
+ if (acc)
+ break;
+ }
+
+ if (!acc)
+ return 0;
+
+ if (Accidental_placement::has_interface (acc->get_parent (X_AXIS)))
+ return acc->get_parent (X_AXIS);
+
+ /* compatibility. */
+ return acc;
}
+
+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