/*
- head-grav.cc -- part of GNU LilyPond
+ This file is part of LilyPond, the GNU music typesetter.
- (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ Copyright (C) 1997--2015 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 "note-head.hh"
-#include "note-heads-engraver.hh"
-#include "paper-def.hh"
-#include "musical-request.hh"
-#include "dots.hh"
-#include "dot-column.hh"
+#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 "staff-symbol-referencer.hh"
+#include "stream-event.hh"
+#include "warn.hh"
-Note_heads_engraver::Note_heads_engraver()
+#include "translator.icc"
+
+class Note_heads_engraver : public Engraver
{
-}
+ vector<Stream_event *> note_evs_;
+
+public:
+ TRANSLATOR_DECLARATIONS (Note_heads_engraver);
-bool
-Note_heads_engraver::do_try_music (Music *m)
+protected:
+ DECLARE_TRANSLATOR_LISTENER (note);
+ void process_music ();
+ void stop_translation_timestep ();
+};
+
+Note_heads_engraver::Note_heads_engraver ()
{
- if (Note_req * n =dynamic_cast <Note_req *> (m))
- {
- note_req_l_arr_.push (n);
- note_end_mom_ = note_end_mom_ >? now_mom () + m->length_mom ();
-
- return true;
- }
- else if (Tonic_req* t = dynamic_cast<Tonic_req*> (m))
- {
- return true;
- }
- else if (Inversion_req* i = dynamic_cast<Inversion_req*> (m))
- {
- return true;
- }
- else if (Bass_req* b = dynamic_cast<Bass_req*> (m))
- {
- return true;
- }
- else if (Busy_playing_req * p = dynamic_cast<Busy_playing_req*> (m))
- {
- return now_mom () < note_end_mom_;
- }
- else if (Pitch_interrogate_req *p = dynamic_cast<Pitch_interrogate_req*> (m))
- {
- for (int i= note_req_l_arr_.size (); i--;)
- p->pitch_arr_.push (note_req_l_arr_[i]->pitch_); // GUH UGH UGHUGH.
- return true;
- }
- return false;
-
}
+IMPLEMENT_TRANSLATOR_LISTENER (Note_heads_engraver, note);
void
-Note_heads_engraver::do_process_music()
+Note_heads_engraver::listen_note (Stream_event *ev)
{
- if (note_p_arr_.size ())
- return ;
-
- for (int i=0; i < note_req_l_arr_.size (); i++)
- {
- Note_head *note_p = new Note_head (get_property ("basicNoteHeadProperties"));
-
- Staff_symbol_referencer_interface si (note_p);
- si.set_interface ();
-
-
- Note_req * note_req_l = note_req_l_arr_[i];
-
- note_p->set_elt_property ("duration-log",
- gh_int2scm (note_req_l->duration_.durlog_i_ <? 2));
-
- if (note_req_l->duration_.dots_i_)
- {
- Dots * d = new Dots (get_property ("basicDotsProperties"));
-
- Staff_symbol_referencer_interface sd (d);
- sd.set_interface ();
-
- note_p->add_dots (d);
- d->set_elt_property ("dot-count", gh_int2scm (note_req_l->duration_.dots_i_));
- announce_element (Score_element_info (d,0));
- dot_p_arr_.push (d);
- }
- si.set_position(note_req_l->pitch_.steps ());
-
- Score_element_info itinf (note_p,note_req_l);
- announce_element (itinf);
- note_p_arr_.push (note_p);
- }
+ note_evs_.push_back (ev);
}
-
+
void
-Note_heads_engraver::do_pre_move_processing()
+Note_heads_engraver::process_music ()
{
- for (int i=0; i < note_p_arr_.size (); i++)
- {
- typeset_element (note_p_arr_[i]);
- }
- note_p_arr_.clear ();
- for (int i=0; i < dot_p_arr_.size (); i++)
+ SCM c0 = get_property ("middleCPosition");
+ SCM layout_proc = get_property ("staffLineLayoutFunction");
+
+ for (vsize i = 0; i < note_evs_.size (); i++)
{
- typeset_element (dot_p_arr_[i]);
+ Stream_event *ev = note_evs_[i];
+ Item *note = make_item ("NoteHead", ev->self_scm ());
+
+ Pitch *pit = Pitch::unsmob (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;
+ if (Pitch::is_smob (scm_tonic))
+ tonic = *Pitch::unsmob (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);
+ }
}
- dot_p_arr_.clear ();
-
- note_req_l_arr_.clear ();
}
+void
+Note_heads_engraver::stop_translation_timestep ()
+{
+ note_evs_.clear ();
+}
+ADD_TRANSLATOR (Note_heads_engraver,
+ /* doc */
+ "Generate note heads.",
+ /* create */
+ "NoteHead ",
-ADD_THIS_TRANSLATOR(Note_heads_engraver);
+ /* read */
+ "middleCPosition "
+ "staffLineLayoutFunction ",
+ /* write */
+ ""
+ );
projects / lilypond.git / blobdiff