/*
- head-grav.cc -- part of GNU LilyPond
+ note-heads-engraver.cc -- part of GNU LilyPond
- (c) 1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include <ctype.h>
#include "rhythmic-head.hh"
-#include "paper-def.hh"
-#include "musical-request.hh"
+#include "output-def.hh"
+#include "event.hh"
#include "dots.hh"
#include "dot-column.hh"
#include "staff-symbol-referencer.hh"
#include "item.hh"
-#include "score-engraver.hh"
+#include "engraver.hh"
#include "warn.hh"
-/**
- make balls and rests
- */
class Note_heads_engraver : public Engraver
{
- Link_array<Item> note_p_arr_;
-
- Link_array<Item> dot_p_arr_;
- Link_array<Note_req> note_req_l_arr_;
- Moment note_end_mom_;
+ Link_array<Item> notes_;
+ Link_array<Item> dots_;
+ Link_array<Music> note_reqs_;
+
public:
- TRANSLATOR_DECLARATIONS(Note_heads_engraver);
+ TRANSLATOR_DECLARATIONS (Note_heads_engraver);
protected:
- virtual void start_translation_timestep ();
- virtual bool try_music (Music *req_l) ;
+ virtual bool try_music (Music *req) ;
virtual void process_music ();
virtual void stop_translation_timestep ();
};
+Note_heads_engraver::Note_heads_engraver ()
+{
+}
+
bool
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);
- note_end_mom_ = note_end_mom_ >? now_mom () + m->length_mom ();
-
+ note_reqs_.push (m);
return true;
}
- else if (dynamic_cast<Busy_playing_req*> (m))
- {
- return now_mom () < note_end_mom_;
- }
- return false;
+ else if (m->is_mus_type ("busy-playing-event"))
+ return note_reqs_.size ();
+ return false;
}
void
Note_heads_engraver::process_music ()
{
- for (int i=0; i < note_req_l_arr_.size (); i++)
+ for (int i=0; i < note_reqs_.size (); i++)
{
- Item *note_p = new Item (get_property ("NoteHead"));
-
- Staff_symbol_referencer::set_interface (note_p);
-
-
- Music * req = note_req_l_arr_[i];
+ Music * req = note_reqs_[i];
+ Item *note = make_item ("NoteHead", req->self_scm ());
- Duration dur = *unsmob_duration (req->get_mus_property ("duration"));
- note_p->set_grob_property ("duration-log",
- gh_int2scm (dur.duration_log () <? 2));
+ Duration dur = *unsmob_duration (req->get_property ("duration"));
+ note->set_property ("duration-log", scm_int2num (dur.duration_log ()));
if (dur.dot_count ())
{
- Item * d = new Item (get_property ("Dots"));
- Rhythmic_head::set_dots (note_p, d);
+ Item * d = make_item ("Dots", note->self_scm ());
+ Rhythmic_head::set_dots (note, d);
if (dur.dot_count ()
- != gh_scm2int (d->get_grob_property ("dot-count")))
- d->set_grob_property ("dot-count", gh_int2scm (dur.dot_count ()));
+ != robust_scm2int (d->get_property ("dot-count"), 0))
+ d->set_property ("dot-count", scm_int2num (dur.dot_count ()));
- d->set_parent (note_p, Y_AXIS);
- announce_grob (d,0);
- dot_p_arr_.push (d);
+ d->set_parent (note, Y_AXIS);
+
+ dots_.push (d);
}
- Pitch *pit =unsmob_pitch (req->get_mus_property ("pitch"));
-
- int pos = pit->steps ();
- SCM c0 = get_property ("centralCPosition");
- if (gh_number_p (c0))
- pos += gh_scm2int (c0);
+ Pitch *pit =unsmob_pitch (req->get_property ("pitch"));
- note_p->set_grob_property ("staff-position", gh_int2scm (pos));
- if (to_boolean (get_property ("easyPlay")))
- {
- char s[2] = "a";
- s[0] = (pit->notename_i_ + 2)%7 + 'a';
+ int pos = pit ? pit->steps () : 0;
+ SCM c0 = get_property ("middleCPosition");
+ if (scm_is_number (c0))
+ pos += scm_to_int (c0);
- s[0] = toupper (s[0]);
- note_p->set_grob_property ("note-character", ly_str02scm (s));
- }
-
- announce_grob (note_p,req);
- note_p_arr_.push (note_p);
+ note->set_property ("staff-position", scm_int2num (pos));
+ notes_.push (note);
}
}
-
+
void
Note_heads_engraver::stop_translation_timestep ()
{
- for (int i=0; i < note_p_arr_.size (); i++)
- {
- typeset_grob (note_p_arr_[i]);
- }
- note_p_arr_.clear ();
- for (int i=0; i < dot_p_arr_.size (); i++)
- {
- typeset_grob (dot_p_arr_[i]);
- }
- dot_p_arr_.clear ();
-
- note_req_l_arr_.clear ();
+ notes_.clear ();
+ dots_.clear ();
+ note_reqs_.clear ();
}
-void
-Note_heads_engraver::start_translation_timestep ()
-{
-
- /*
- TODO: make this settable?
-
- TODO: what if someone wants a line break in a grace note section??
- */
- // if (note_end_mom_ > now_mom ())
- if (note_end_mom_.main_part_ > now_mom ().main_part_)
- {
- Score_engraver * e = 0;
- Translator * t = daddy_grav_l ();
- for (; !e && t; t = t->daddy_trans_l_)
- {
- e = dynamic_cast<Score_engraver*> (t);
- }
-
- if (!e)
- programming_error ("No score engraver!");
- else
- e->forbid_breaks (); // guh. Use properties!
- }
-}
-Note_heads_engraver::Note_heads_engraver()
-{}
-ENTER_DESCRIPTION(Note_heads_engraver,
-/* descr */ "Generate one or more noteheads from Music of type Note_req.",
+ENTER_DESCRIPTION (Note_heads_engraver,
+/* descr */ "Generate noteheads.",
/* creats*/ "NoteHead Dots",
-/* acks */ "",
-/* reads */ "",
+/* accepts */ "note-event busy-playing-event",
+/* acks */ "",
+/* reads */ "middleCPosition",
/* write */ "");
projects / lilypond.git / blobdiff