/*
head-grav.cc -- part of GNU LilyPond
- (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
+#include <ctype.h>
#include "rhythmic-head.hh"
#include "paper-def.hh"
#include "dot-column.hh"
#include "staff-symbol-referencer.hh"
#include "item.hh"
-#include "score-engraver.hh"
+#include "engraver.hh"
#include "warn.hh"
/**
*/
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_;
-public:
- VIRTUAL_COPY_CONS(Translator);
+ 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_l) ;
- virtual void create_grobs ();
- virtual void acknowledge_grob (Grob_info) ;
- virtual void stop_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::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))
+ else if (m->is_mus_type ("busy-playing-event"))
+ return note_reqs_.size ();
+ else if (m->is_mus_type ("abort-event"))
{
- return now_mom () < note_end_mom_;
+ in_ligature = 0;
+ }
+ else if (m->is_mus_type ("ligature-event"))
+ {
+ /*
+ 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::acknowledge_grob (Grob_info)
-{
- //create_grobs ();
-}
void
-Note_heads_engraver::create_grobs ()
+Note_heads_engraver::process_music ()
{
- if (note_p_arr_.size ())
- return ;
-
- 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);
+ Item *note =
+ new Item (get_property ((in_ligature) ? "LigatureHead" : "NoteHead"));
-
-
- Music * req = note_req_l_arr_[i];
+ Music * req = note_reqs_[i];
- 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_mus_property ("duration"));
+
+ note->set_grob_property ("duration-log", gh_int2scm (dur.duration_log ()));
if (dur.dot_count ())
{
Item * d = new Item (get_property ("Dots"));
- Rhythmic_head::set_dots (note_p, d);
+ 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 ()));
- d->set_parent (note_p, Y_AXIS);
- announce_grob (d,0);
- dot_p_arr_.push (d);
+ d->set_parent (note, Y_AXIS);
+ announce_grob (d, SCM_EOL);
+ dots_.push (d);
}
- note_p->set_grob_property("staff-position", gh_int2scm (unsmob_pitch (req->get_mus_property ("pitch"))->steps ()));
+ 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);
- announce_grob (note_p,req);
- note_p_arr_.push (note_p);
+ note->set_grob_property ("staff-position", gh_int2scm (pos));
+ announce_grob (note,req->self_scm());
+ notes_.push (note);
}
}
-
+
void
-Note_heads_engraver::stop_translation_timestep()
+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_grob (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_grob (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::start_translation_timestep ()
{
- /* TODO:make this settable?
- */
- if (note_end_mom_ > now_mom())
- {
- 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!
- }
}
-
-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