/*
- plet-engraver.cc -- implement Tuplet_engraver
+ tuplet-engraver.cc -- implement Tuplet_engraver
source file of the GNU LilyPond music typesetter
- (c) 1998--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1998--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-
-#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"
+struct Tuplet_description
+{
+ Music *music_;
+ Rational stop_;
+ Rational span_stop_;
+ Spanner *spanner_;
+ Tuplet_description()
+ {
+ music_ = 0;
+ spanner_ = 0;
+ }
+};
+
class Tuplet_engraver : public Engraver
{
public:
- VIRTUAL_COPY_CONS (Translator);
+ TRANSLATOR_DECLARATIONS (Tuplet_engraver);
protected:
- Link_array<Time_scaled_music> time_scaled_music_arr_;
- /// when does the scaled music stop? Array order is synced with time_scaled_music_arr_
- Array<Rational> stop_moments_;
- /// when does the current spanner stop? Array order is synced with time_scaled_music_arr_
- Array<Rational> span_stop_moments_;
-
- /// The spanners. Array order is synced with time_scaled_music_arr_
- Link_array<Spanner> started_span_p_arr_;
+ Array<Tuplet_description> tuplets_;
- virtual void finalize ();
virtual void acknowledge_grob (Grob_info);
virtual bool try_music (Music*r);
virtual void start_translation_timestep ();
- virtual void create_grobs ();
+ virtual void process_music ();
};
bool
-Tuplet_engraver::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 ();
- 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);
- Rational m = now_mom ().main_part_ + c->length_mom ().main_part_;
- stop_moments_.push (m);
-
+ 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))
- m = m <? (now_mom () + *unsmob_moment (s)).main_part_;
+ d.span_stop_ = d.span_stop_ <? (now_mom () + *unsmob_moment (s)).main_part_;
- span_stop_moments_.push (m);
+ tuplets_.push (d);
}
return true;
}
}
void
-Tuplet_engraver::create_grobs ()
+Tuplet_engraver::process_music ()
{
- SCM v = get_property ("tupletInvisible");
- if (to_boolean (v))
- return;
-
- for (int i= 0; i < time_scaled_music_arr_.size (); i++)
+ for (int i = 0; i < tuplets_.size (); i++)
{
- if (i < started_span_p_arr_.size () && started_span_p_arr_[i])
+ if (tuplets_[i].spanner_)
continue;
- Spanner* glep = new Spanner (get_property ("TupletBracket"));
- Tuplet_bracket::set_interface (glep);
- if (i >= started_span_p_arr_.size ())
- started_span_p_arr_.push (glep);
- else
- started_span_p_arr_[i] = glep;
-
+ Spanner* spanner = make_spanner ("TupletBracket",
+ tuplets_[i].music_->self_scm ());
+ tuplets_[i].spanner_ = spanner;
SCM proc = get_property ("tupletNumberFormatFunction");
- if (gh_procedure_p (proc))
+ if (ly_c_procedure_p (proc))
{
- SCM t = gh_apply (proc, gh_list (time_scaled_music_arr_[i]->self_scm (), SCM_UNDEFINED));
- glep->set_grob_property ("text", t);
+ SCM t = scm_apply_0 (proc, scm_list_1 (tuplets_[i].music_->self_scm ()));
+ spanner->set_property ("text", t);
}
-
- announce_grob (glep, time_scaled_music_arr_ [i]);
}
}
void
Tuplet_engraver::acknowledge_grob (Grob_info i)
{
- if (Note_column::has_interface (i.elem_l_))
+ if (Note_column::has_interface (i.grob_))
{
- for (int j =0; j <started_span_p_arr_.size (); j++)
- if (started_span_p_arr_[j])
- Tuplet_bracket::add_column (started_span_p_arr_[j], dynamic_cast<Item*> (i.elem_l_));
+ for (int j = 0; j < tuplets_.size (); j++)
+ if (tuplets_[j].spanner_)
+ Tuplet_bracket::add_column (tuplets_[j].spanner_,
+ dynamic_cast<Item*> (i.grob_));
}
}
if (unsmob_moment (s))
tsd = unsmob_moment (s)->main_part_;
- for (int i= started_span_p_arr_.size (); i--;)
+ for (int i = tuplets_.size (); i--;)
{
- if (now.main_part_ >= span_stop_moments_[i])
+ if (now.main_part_ >= tuplets_[i].span_stop_)
{
- if (started_span_p_arr_[i])
+ if (Spanner *sp = tuplets_[i].spanner_)
{
- typeset_grob (started_span_p_arr_[i]);
- started_span_p_arr_[i] =0;
+ if (!sp->get_bound (RIGHT))
+ sp->set_bound (RIGHT, sp->get_bound (LEFT));
+
+ tuplets_[i].spanner_ = 0;
}
- if (tsd)
- span_stop_moments_[i] += tsd.main_part_;
+ if (tsd.to_bool ())
+ tuplets_[i].span_stop_ += tsd.main_part_;
}
- if (now.main_part_ >= stop_moments_[i])
+ if (now.main_part_ >= tuplets_[i].stop_)
{
- started_span_p_arr_.del (i);
- stop_moments_.del (i);
- span_stop_moments_.del (i);
- time_scaled_music_arr_.del (i);
+ tuplets_.del (i);
}
}
}
-void
-Tuplet_engraver::finalize ()
+Tuplet_engraver::Tuplet_engraver ()
{
- for (int i=0; i < started_span_p_arr_.size (); i++)
- {
- if (started_span_p_arr_[i])
- typeset_grob (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 */ "");