/*
- head-grav.cc -- part of GNU LilyPond
+ This file is part of LilyPond, the GNU music typesetter.
- (c) 1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ Copyright (C) 1997--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
+
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <ctype.h>
+#include "engraver.hh"
+
+#include <cctype>
+using namespace std;
+
+#include "duration.hh"
+#include "item.hh"
+#include "output-def.hh"
+#include "pitch.hh"
#include "rhythmic-head.hh"
-#include "paper-def.hh"
-#include "event.hh"
-#include "dots.hh"
-#include "dot-column.hh"
#include "staff-symbol-referencer.hh"
-#include "item.hh"
-#include "engraver.hh"
+#include "stream-event.hh"
#include "warn.hh"
-/**
- make balls and rests
- */
+#include "translator.icc"
-/*
- * TODO: junk bool in_ligature (and all the messy code around it).
- * This can be done by also junking LigatureHead in
- * scm/grob-description.scm. Instead, NoteHead should be used
- * throughout typesetting of ligatures; ligature-(start/stop)-events
- * should simply modify NoteHead properties values of
- * molecule-callback ligature-primitive-callback. --jr
- */
class Note_heads_engraver : public Engraver
{
- Link_array<Item> notes_;
-
- Link_array<Item> dots_;
- Link_array<Music> note_reqs_;
+ vector<Stream_event *> note_evs_;
public:
- TRANSLATOR_DECLARATIONS(Note_heads_engraver);
+ 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;
+ DECLARE_TRANSLATOR_LISTENER (note);
+ void process_music ();
+ void stop_translation_timestep ();
};
-Note_heads_engraver::Note_heads_engraver()
+Note_heads_engraver::Note_heads_engraver ()
{
- in_ligature = 0;
}
-bool
-Note_heads_engraver::try_music (Music *m)
+IMPLEMENT_TRANSLATOR_LISTENER (Note_heads_engraver, note);
+void
+Note_heads_engraver::listen_note (Stream_event *ev)
{
- if (m->is_mus_type ("note-event"))
- {
- note_reqs_.push (m);
- return true;
- }
- else if (m->is_mus_type ("busy-playing-event"))
- return note_reqs_.size ();
- else if (m->is_mus_type ("abort-event"))
- {
- 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 = (to_dir (m->get_mus_property("span-direction")) == START);
- return false;
- }
-
- return false;
+ note_evs_.push_back (ev);
}
-
void
Note_heads_engraver::process_music ()
{
- for (int i=0; i < note_reqs_.size (); 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 ())
- {
- Item * d = new Item (get_property ("Dots"));
- 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, Y_AXIS);
- announce_grob (d, SCM_EOL);
- 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);
-
- note->set_grob_property ("staff-position", gh_int2scm (pos));
- announce_grob (note,req->self_scm());
- notes_.push (note);
- }
-}
+ SCM c0 = get_property ("middleCPosition");
+ SCM layout_proc = get_property ("staffLineLayoutFunction");
-void
-Note_heads_engraver::stop_translation_timestep ()
-{
- for (int i=0; i < notes_.size (); i++)
+ for (vsize i = 0; i < note_evs_.size (); i++)
{
- typeset_grob (notes_[i]);
- }
+ Stream_event *ev = note_evs_[i];
+ Item *note = make_item ("NoteHead", ev->self_scm ());
- notes_.clear ();
- for (int i=0; i < dots_.size (); i++)
- {
- typeset_grob (dots_[i]);
+ Pitch *pit = unsmob_pitch (ev->get_property ("pitch"));
+
+#if 0 /* TODO: should have a mechanism to switch off these warnings. */
+
+ if (!pit)
+ ev->origin ()->warning (_ ("NoteEvent without pitch"));
+#endif
+
+ int pos;
+ if (pit == 0)
+ pos = 0;
+ else if (ly_is_procedure (layout_proc))
+ {
+ SCM pitch = ev->get_property ("pitch");
+ pos = scm_to_int (scm_call_1 (layout_proc, pitch));
+ }
+ else
+ pos = pit->steps ();
+
+ if (scm_is_number (c0))
+ pos += scm_to_int (c0);
+
+ note->set_property ("staff-position", scm_from_int (pos));
+
+ /*
+ Shape note heads change on step of the scale.
+ */
+ SCM shape_vector = get_property ("shapeNoteStyles");
+ if (scm_is_vector (shape_vector))
+ {
+ SCM scm_tonic = get_property ("tonic");
+ Pitch tonic (0, 0, 0);
+ if (unsmob_pitch (scm_tonic))
+ tonic = *unsmob_pitch (scm_tonic);
+
+ unsigned int delta = (pit->get_notename () - tonic.get_notename () + 7) % 7;
+
+ SCM style = SCM_EOL;
+ if (scm_c_vector_length (shape_vector) > delta
+ && scm_is_symbol (scm_vector_ref (shape_vector, scm_from_int (delta))))
+ style = scm_vector_ref (shape_vector, scm_from_int (delta));
+ if (scm_is_symbol (style))
+ note->set_property ("style", style);
+ }
}
- dots_.clear ();
- note_reqs_.clear ();
}
void
-Note_heads_engraver::start_translation_timestep ()
+Note_heads_engraver::stop_translation_timestep ()
{
+ note_evs_.clear ();
}
+ADD_TRANSLATOR (Note_heads_engraver,
+ /* doc */
+ "Generate note heads.",
+
+ /* create */
+ "NoteHead ",
+
+ /* read */
+ "middleCPosition "
+ "staffLineLayoutFunction ",
-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 */ "");
+ /* write */
+ ""
+ );