/*
- head-grav.cc -- part of GNU LilyPond
+ This file is part of LilyPond, the GNU music typesetter.
- (c) 1997--2001 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 <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 "musical-request.hh"
-#include "dots.hh"
-#include "dot-column.hh"
#include "staff-symbol-referencer.hh"
-#include "item.hh"
-#include "score-engraver.hh"
+#include "stream-event.hh"
#include "warn.hh"
-/**
- make balls and rests
- */
+#include "translator.icc"
+
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_;
+ 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_l) ;
- virtual void process_music ();
-
- virtual void stop_translation_timestep ();
+ DECLARE_TRANSLATOR_LISTENER (note);
+ void process_music ();
+ void stop_translation_timestep ();
};
-bool
-Note_heads_engraver::try_music (Music *m)
+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 (dynamic_cast<Busy_playing_req*> (m))
- {
- return now_mom () < note_end_mom_;
- }
- return false;
-
}
-
+IMPLEMENT_TRANSLATOR_LISTENER (Note_heads_engraver, note);
void
-Note_heads_engraver::process_music ()
+Note_heads_engraver::listen_note (Stream_event *ev)
{
- for (int i=0; i < note_req_l_arr_.size (); i++)
- {
- Item *note_p = new Item (get_property ("NoteHead"));
-
- Staff_symbol_referencer::set_interface (note_p);
-
-
-
- Music * req = note_req_l_arr_[i];
-
- Duration dur = *unsmob_duration (req->get_mus_property ("duration"));
- note_p->set_grob_property ("duration-log",
- gh_int2scm (dur.duration_log () <? 2));
-
- if (dur.dot_count ())
- {
- Item * d = new Item (get_property ("Dots"));
- Rhythmic_head::set_dots (note_p, 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);
- }
-
- 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_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';
-
- 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_evs_.push_back (ev);
}
-
+
void
-Note_heads_engraver::stop_translation_timestep ()
+Note_heads_engraver::process_music ()
{
- 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++)
+ SCM c0 = get_property ("middleCPosition");
+ SCM layout_proc = get_property ("staffLineLayoutFunction");
+
+ for (vsize i = 0; i < note_evs_.size (); i++)
{
- typeset_grob (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::start_translation_timestep ()
+Note_heads_engraver::stop_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_evs_.clear ();
}
-Note_heads_engraver::Note_heads_engraver()
-{}
+ADD_TRANSLATOR (Note_heads_engraver,
+ /* doc */
+ "Generate note heads.",
+
+ /* create */
+ "NoteHead ",
+
+ /* read */
+ "middleCPosition "
+ "staffLineLayoutFunction ",
-ENTER_DESCRIPTION(Note_heads_engraver,
-/* descr */ "Generate one or more noteheads from Music of type Note_req.",
-/* creats*/ "NoteHead Dots",
-/* acks */ "",
-/* reads */ "",
-/* write */ "");
+ /* write */
+ ""
+ );
projects / lilypond.git / blobdiff