-/*
- auto-plet-engraver.cc -- implement Auto_plet_engraver
-
+/*
+ tuplet-engraver.cc -- implement Tuplet_engraver
+
source file of the GNU LilyPond music typesetter
-
- (c) 1998--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
-
-#include "tuplet-engraver.hh"
-#include "command-request.hh"
-#include "tuplet-spanner.hh"
+
+ (c) 1998--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+*/
+
+#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"
+
+#include "translator.icc"
+
+struct Tuplet_description
+{
+ Music *music_;
+ Rational stop_;
+ Rational span_stop_;
+ Spanner *spanner_;
+ Tuplet_description ()
+ {
+ music_ = 0;
+ spanner_ = 0;
+ }
+};
+
+class Tuplet_engraver : public Engraver
+{
+public:
+ TRANSLATOR_DECLARATIONS (Tuplet_engraver);
+
+protected:
+ Array<Tuplet_description> tuplets_;
+
+ virtual void acknowledge_grob (Grob_info);
+ virtual bool try_music (Music *r);
+ PRECOMPUTED_VIRTUAL void start_translation_timestep ();
+ PRECOMPUTED_VIRTUAL void process_music ();
+};
bool
-Tuplet_engraver::do_try_music (Music *r)
+Tuplet_engraver::try_music (Music *music)
{
- if (Time_scaled_music * c = dynamic_cast<Time_scaled_music *> (r))
+ if (music->is_mus_type ("time-scaled-music"))
{
- Music *el = c->element_l ();
- if (!dynamic_cast<Request_chord*> (el))
+ Music *el = unsmob_music (music->get_property ("element"));
+ if (el && !el->is_mus_type ("event-chord"))
{
- time_scaled_music_arr_.push (c);
- stop_moments_.push (now_mom () + c->length_mom ());
+ Tuplet_description d;
+ d.music_ = music;
+ d.stop_ = now_mom ().main_part_ + music->get_length ().main_part_;
+ d.span_stop_ = d.stop_;
+
+ SCM s = get_property ("tupletSpannerDuration");
+ if (unsmob_moment (s))
+ d.span_stop_ = min (d.span_stop_, (now_mom () + *unsmob_moment (s)).main_part_);
+
+ tuplets_.push (d);
}
return true;
}
}
void
-Tuplet_engraver::do_process_requests ()
+Tuplet_engraver::process_music ()
{
- int dir = 0;
- Scalar prop = get_property ("tupletDirection", 0);
- if (prop.isnum_b())
- dir = (int)prop;
- int visibility = 3;
- prop = get_property ("tupletVisibility", 0);
- if (prop.isnum_b())
- visibility = (int)prop;
-
- for (int i= started_span_p_arr_.size ();
- i < time_scaled_music_arr_.size (); i++)
+ for (int i = 0; i < tuplets_.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 (tuplets_[i].spanner_)
+ continue;
+
+ Spanner *spanner = make_spanner ("TupletBracket",
+ tuplets_[i].music_->self_scm ());
+ tuplets_[i].spanner_ = spanner;
+
+ SCM proc = get_property ("tupletNumberFormatFunction");
+ if (ly_is_procedure (proc))
+ {
+ SCM t = scm_apply_0 (proc, scm_list_1 (tuplets_[i].music_->self_scm ()));
+ spanner->set_property ("text", t);
+ }
}
}
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);
- if (grace != get_property ("weAreGraceContext",0).to_bool ())
- return;
-
- if (Note_column *nc = dynamic_cast<Note_column *> (i.elem_l_))
- {
- 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_))
+ if (Note_column::has_interface (i.grob ()))
{
- for (int j = 0; j < started_span_p_arr_.size (); j++)
- started_span_p_arr_[j]->add_beam (b);
+ for (int j = 0; j < tuplets_.size (); j++)
+ if (tuplets_[j].spanner_)
+ Tuplet_bracket::add_column (tuplets_[j].spanner_,
+ 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 = tuplets_.size (); i--;)
{
- if (now >= stop_moments_[i])
+ if (now.main_part_ >= tuplets_[i].span_stop_)
+ {
+ if (Spanner *sp = tuplets_[i].spanner_)
+ {
+ if (!sp->get_bound (RIGHT))
+ sp->set_bound (RIGHT, sp->get_bound (LEFT));
+
+ tuplets_[i].spanner_ = 0;
+ }
+
+ if (tsd.to_bool ())
+ tuplets_[i].span_stop_ += tsd.main_part_;
+ }
+
+ if (now.main_part_ >= tuplets_[i].stop_)
{
- typeset_element (started_span_p_arr_[i]);
- started_span_p_arr_.del (i);
- stop_moments_.del(i);
- time_scaled_music_arr_.del(i);
+ tuplets_.del (i);
}
}
}
-void
-Tuplet_engraver::do_removal_processing ()
+Tuplet_engraver::Tuplet_engraver ()
{
- for (int i=0; i < started_span_p_arr_.size (); i++)
- {
- typeset_element (started_span_p_arr_[i]);
- }
}
-ADD_THIS_TRANSLATOR(Tuplet_engraver);
-
+ADD_TRANSLATOR (Tuplet_engraver,
+ /* descr */ "Catch Time_scaled_music and generate appropriate bracket ",
+ /* creats*/ "TupletBracket",
+ /* accepts */ "time-scaled-music",
+ /* acks */ "note-column-interface",
+ /* reads */ "tupletNumberFormatFunction tupletSpannerDuration",
+ /* write */ "");
projects / lilypond.git / blobdiff