/*
head-grav.cc -- part of GNU LilyPond
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
+#include <ctype.h>
-#include "note-head.hh"
-#include "note-heads-engraver.hh"
+#include "rhythmic-head.hh"
#include "paper-def.hh"
-#include "musical-request.hh"
+#include "request.hh"
#include "dots.hh"
#include "dot-column.hh"
+#include "staff-symbol-referencer.hh"
+#include "item.hh"
+#include "engraver.hh"
+#include "warn.hh"
+
+/**
+ make balls and rests
+ */
+class Note_heads_engraver : public Engraver
+{
+ Link_array<Item> notes_;
+
+ Link_array<Item> dots_;
+ Link_array<Music> note_reqs_;
+
+public:
+ TRANSLATOR_DECLARATIONS(Note_heads_engraver);
+
+protected:
+ virtual void start_translation_timestep ();
+ virtual bool try_music (Music *req) ;
+ virtual void process_music ();
+
+ virtual void stop_translation_timestep ();
+
+private:
+ bool in_ligature;
+};
Note_heads_engraver::Note_heads_engraver()
{
+ in_ligature = 0;
}
bool
-Note_heads_engraver::do_try_music (Music *m)
+Note_heads_engraver::try_music (Music *m)
{
- if (Note_req * n =dynamic_cast <Note_req *> (m))
+ if (m->is_mus_type ("note-event"))
{
- note_req_l_arr_.push (n);
- notes_end_pq_.insert (now_mom () + m->length_mom ());
-
+ note_reqs_.push (m);
return true;
}
- else if (Tonic_req* t = dynamic_cast<Tonic_req*> (m))
+ else if (m->is_mus_type ("busy-playing-event"))
+ return note_reqs_.size ();
+ else if (m->is_mus_type ("abort-event"))
{
- return true;
+ in_ligature = 0;
}
- else if (Busy_playing_req * p = dynamic_cast<Busy_playing_req*> (m))
+ else if (m->is_mus_type ("ligature-event"))
{
- return notes_end_pq_.size ();
+ /*
+ Urg ; this is not protocol. We should accept and return
+ true, or ignore.
+ */
+ in_ligature = (m->get_mus_property("span-direction")
+ == gh_int2scm (START));
}
- return false;
+ return false;
}
+
void
-Note_heads_engraver::do_process_requests()
+Note_heads_engraver::process_music ()
{
- if (note_p_arr_.size ())
- return ;
-
- String noteheadstyle = get_property ("noteHeadStyle", 0);
- for (int i=0; i < note_req_l_arr_.size (); i++)
+ for (int i=0; i < note_reqs_.size (); i++)
{
- Note_head *note_p = new Note_head;
- Note_req * note_req_l = note_req_l_arr_[i];
- note_p->balltype_i_ = note_req_l->duration_.durlog_i_;
- note_p->dots_i_ = note_req_l->duration_.dots_i_;
- if (note_p->dots_i_)
+ Item *note =
+ new Item (get_property ((in_ligature) ? "LigatureHead" : "NoteHead"));
+
+ Music * req = note_reqs_[i];
+
+ Duration dur = *unsmob_duration (req->get_mus_property ("duration"));
+
+ note->set_grob_property ("duration-log", gh_int2scm (dur.duration_log ()));
+
+ if (dur.dot_count ())
{
- Dots * d = new Dots;
- note_p->dots_l_ = d;
-
- Scalar dir = get_property ("verticalDirection",0);
- if (dir.isdir_b())
- {
- d->resolve_dir_ = (Direction)(int)dir;
- }
+ Item * d = new Item (get_property ("Dots"));
+ Rhythmic_head::set_dots (note, d);
- announce_element (Score_element_info (d,0));
- dot_p_arr_.push (d);
+ if (dur.dot_count ()
+ != gh_scm2int (d->get_grob_property ("dot-count")))
+ d->set_grob_property ("dot-count", gh_int2scm (dur.dot_count ()));
+
+ d->set_parent (note, Y_AXIS);
+ announce_grob (d, SCM_EOL);
+ dots_.push (d);
}
- note_p->position_i_ = note_req_l->pitch_.steps ();
- if (noteheadstyle == "transparent")
- note_p->set_elt_property (transparent_scm_sym, SCM_BOOL_T);
- else
- note_p->set_elt_property (style_scm_sym,
- ly_ch_C_to_scm (noteheadstyle.ch_C()));
+ Pitch *pit =unsmob_pitch (req->get_mus_property ("pitch"));
-
- Score_element_info itinf (note_p,note_req_l);
- announce_element (itinf);
- note_p_arr_.push (note_p);
+ int pos = pit->steps ();
+ SCM c0 = get_property ("centralCPosition");
+ if (gh_number_p (c0))
+ pos += gh_scm2int (c0);
+
+ note->set_grob_property ("staff-position", gh_int2scm (pos));
+ announce_grob (note,req->self_scm());
+ notes_.push (note);
}
}
-
+
void
-Note_heads_engraver::do_pre_move_processing()
+Note_heads_engraver::stop_translation_timestep ()
{
- for (int i=0; i < note_p_arr_.size (); i++)
+ for (int i=0; i < notes_.size (); i++)
{
- typeset_element (note_p_arr_[i]);
+ typeset_grob (notes_[i]);
}
- note_p_arr_.clear ();
- for (int i=0; i < dot_p_arr_.size (); i++)
+
+ notes_.clear ();
+ for (int i=0; i < dots_.size (); i++)
{
- typeset_element (dot_p_arr_[i]);
+ typeset_grob (dots_[i]);
}
- dot_p_arr_.clear ();
-
- note_req_l_arr_.clear ();
+ dots_.clear ();
+ note_reqs_.clear ();
}
void
-Note_heads_engraver::do_post_move_processing()
+Note_heads_engraver::start_translation_timestep ()
{
- Moment n (now_mom ());
- while (notes_end_pq_.size () && notes_end_pq_.front () <=n)
- notes_end_pq_.get ();
}
-
-ADD_THIS_TRANSLATOR(Note_heads_engraver);
+ENTER_DESCRIPTION(Note_heads_engraver,
+/* descr */ "Generate noteheads (also serves a double functions: makes ligatures.",
+/* creats*/ "NoteHead LigatureHead Dots",
+/* accepts */ "note-event busy-playing-event ligature-event abort-event",
+/* acks */ "",
+/* reads */ "centralCPosition",
+/* write */ "");
projects / lilypond.git / blobdiff