/*
- auto-plet-engraver.cc -- implement Auto_plet_engraver
+ plet-engraver.cc -- implement Tuplet_engraver
source file of the GNU LilyPond music typesetter
- (c) 1998--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1998--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "tuplet-engraver.hh"
-#include "command-request.hh"
-#include "tuplet-spanner.hh"
+
+
+#include "tuplet-bracket.hh"
#include "note-column.hh"
#include "time-scaled-music.hh"
#include "beam.hh"
#include "music-list.hh"
+#include "engraver.hh"
+#include "spanner.hh"
+
+class Tuplet_engraver : public Engraver
+{
+public:
+ TRANSLATOR_DECLARATIONS(Tuplet_engraver);
+
+protected:
+ Link_array<Music> time_scaled_musics_;
+ /// when does the scaled music stop? Array order is synced with time_scaled_musics_
+ Array<Rational> stop_moments_;
+ /// when does the current spanner stop? Array order is synced with time_scaled_musics_
+ Array<Rational> span_stop_moments_;
+
+ /// The spanners. Array order is synced with time_scaled_musics_
+ Link_array<Spanner> started_spanners_;
+
+ virtual void finalize ();
+ virtual void acknowledge_grob (Grob_info);
+ virtual bool try_music (Music*r);
+ virtual void start_translation_timestep ();
+ virtual void process_acknowledged_grobs ();
+};
bool
-Tuplet_engraver::do_try_music (Music *r)
+Tuplet_engraver::try_music (Music *c)
{
- if (Time_scaled_music * c = dynamic_cast<Time_scaled_music *> (r))
+ if (c->is_mus_type ("time-scaled-music"))
{
- Music *el = c->element_l ();
- if (!dynamic_cast<Request_chord*> (el))
+ Music *el = unsmob_music (c->get_mus_property ("element"));
+ if (el && !el->is_mus_type ("event-chord"))
{
- time_scaled_music_arr_.push (c);
- stop_moments_.push (now_mom () + c->length_mom ());
+ time_scaled_musics_.push (c);
+ Rational m = now_mom ().main_part_ + c->get_length ().main_part_;
+ stop_moments_.push (m);
+
+ SCM s = get_property ("tupletSpannerDuration");
+ if (unsmob_moment (s))
+ m = m <? (now_mom () + *unsmob_moment (s)).main_part_;
+
+ span_stop_moments_.push (m);
}
return true;
}
}
void
-Tuplet_engraver::do_process_requests ()
+Tuplet_engraver::process_acknowledged_grobs ()
{
- int dir = 0;
- SCM prop = get_property ("tupletDirection", 0);
- if (isdir_b (prop))
- dir = to_dir (prop);
- int visibility = 3;
- prop = get_property ("tupletVisibility", 0);
- if (SCM_NUMBERP(prop))
- visibility = gh_scm2int (prop); // bool ?
-
- for (int i= started_span_p_arr_.size ();
- i < time_scaled_music_arr_.size (); i++)
+ SCM v = get_property ("tupletInvisible");
+ if (to_boolean (v))
+ return;
+
+ for (int i= 0; i < time_scaled_musics_.size (); i++)
{
- Tuplet_spanner* glep = new Tuplet_spanner;
- started_span_p_arr_.push (glep);
- glep->number_str_ = to_str (time_scaled_music_arr_[i]->den_i_);
- glep->set_elt_property(tuplet_visibility_scm_sym,
- gh_int2scm (visibility));
- if (dir != 0)
- glep->set_elt_property(dir_forced_scm_sym, gh_int2scm (dir));
- announce_element (Score_element_info (glep, time_scaled_music_arr_ [i]));
+ if (i < started_spanners_.size () && started_spanners_[i])
+ continue;
+
+ Spanner* glep = make_spanner ("TupletBracket");
+
+ if (i >= started_spanners_.size ())
+ started_spanners_.push (glep);
+ else
+ started_spanners_[i] = glep;
+
+
+ SCM proc = get_property ("tupletNumberFormatFunction");
+ if (gh_procedure_p (proc))
+ {
+ SCM t = gh_apply (proc, scm_list_n (time_scaled_musics_[i]->self_scm (), SCM_UNDEFINED));
+ glep->set_grob_property ("text", t);
+ }
+
+ announce_grob(glep, time_scaled_musics_ [i]->self_scm());
}
}
void
-Tuplet_engraver::acknowledge_element (Score_element_info i)
+Tuplet_engraver::acknowledge_grob (Grob_info i)
{
- bool grace= (i.elem_l_->get_elt_property (grace_scm_sym) != SCM_BOOL_F);
- SCM wg = get_property ("weAreGraceContext",0);
- bool wgb = gh_boolean_p (wg) && gh_scm2bool (wg);
- if (grace != wgb)
- return;
-
- if (Note_column *nc = dynamic_cast<Note_column *> (i.elem_l_))
+ if (Note_column::has_interface (i.grob_))
{
- for (int j =0; j <started_span_p_arr_.size (); j++)
- started_span_p_arr_[j]->add_column (nc);
- }
- else if (Beam *b = dynamic_cast<Beam *> (i.elem_l_))
- {
- for (int j = 0; j < started_span_p_arr_.size (); j++)
- started_span_p_arr_[j]->add_beam (b);
+ for (int j =0; j <started_spanners_.size (); j++)
+ if (started_spanners_[j])
+ Tuplet_bracket::add_column (started_spanners_[j], dynamic_cast<Item*> (i.grob_));
}
}
void
-Tuplet_engraver::do_post_move_processing ()
+Tuplet_engraver::start_translation_timestep ()
{
Moment now = now_mom ();
- for (int i= started_span_p_arr_.size (); i--; )
+
+ Moment tsd;
+ SCM s = get_property ("tupletSpannerDuration");
+ if (unsmob_moment (s))
+ tsd = unsmob_moment (s)->main_part_;
+
+ for (int i= started_spanners_.size (); i--;)
{
- if (now >= stop_moments_[i])
+ if (now.main_part_ >= span_stop_moments_[i])
{
- typeset_element (started_span_p_arr_[i]);
- started_span_p_arr_.del (i);
- stop_moments_.del(i);
- time_scaled_music_arr_.del(i);
+ if (Spanner *sp = started_spanners_[i])
+ {
+ if (!sp->get_bound (RIGHT))
+ sp->set_bound (RIGHT, sp->get_bound (LEFT));
+
+ typeset_grob (sp);
+
+ started_spanners_[i] =0;
+ }
+
+ if (tsd.to_bool ())
+ span_stop_moments_[i] += tsd.main_part_;
+ }
+
+ if (now.main_part_ >= stop_moments_[i])
+ {
+ started_spanners_.del (i);
+ stop_moments_.del (i);
+ span_stop_moments_.del (i);
+ time_scaled_musics_.del (i);
}
}
}
void
-Tuplet_engraver::do_removal_processing ()
+Tuplet_engraver::finalize ()
{
- for (int i=0; i < started_span_p_arr_.size (); i++)
+ for (int i=0; i < started_spanners_.size (); i++)
{
- typeset_element (started_span_p_arr_[i]);
+ if (started_spanners_[i])
+ typeset_grob (started_spanners_[i]);
}
}
-ADD_THIS_TRANSLATOR(Tuplet_engraver);
+
+Tuplet_engraver::Tuplet_engraver(){}
+
+ENTER_DESCRIPTION(Tuplet_engraver,
+/* descr */ "Catch Time_scaled_music and generate appropriate bracket ",
+/* creats*/ "TupletBracket",
+/* accepts */ "time-scaled-music",
+/* acks */ "note-column-interface",
+/* reads */ "tupletNumberFormatFunction tupletSpannerDuration tupletInvisible",
+/* write */ "");
projects / lilypond.git / blobdiff