source file of the GNU LilyPond music typesetter
- (c) 1998--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1998--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "beam.hh"
#include "music-list.hh"
#include "engraver.hh"
+#include "spanner.hh"
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<Moment> stop_moments_;
+ Array<Rational> stop_moments_;
/// when does the current spanner stop? Array order is synced with time_scaled_music_arr_
- Array<Moment> span_stop_moments_;
+ Array<Rational> span_stop_moments_;
/// The spanners. Array order is synced with time_scaled_music_arr_
- Link_array<Tuplet_spanner> started_span_p_arr_;
+ Link_array<Spanner> started_span_p_arr_;
- virtual void do_removal_processing ();
- virtual void acknowledge_element (Score_element_info);
- virtual bool do_try_music (Music*r);
- virtual void do_process_music ();
- virtual void do_post_move_processing ();
+ virtual void finalize ();
+ virtual void acknowledge_grob (Grob_info);
+ virtual bool try_music (Music*r);
+ virtual void start_translation_timestep ();
+ virtual void create_grobs ();
};
bool
-Tuplet_engraver::do_try_music (Music *r)
+Tuplet_engraver::try_music (Music *r)
{
if (Time_scaled_music * c = dynamic_cast<Time_scaled_music *> (r))
{
- Music *el = c->element_l ();
+ Music *el = c->element ();
if (!dynamic_cast<Request_chord*> (el))
{
time_scaled_music_arr_.push (c);
- Moment m = now_mom () + c->length_mom ();
+ Rational m = now_mom ().main_part_ + c->length_mom ().main_part_;
stop_moments_.push (m);
SCM s = get_property ("tupletSpannerDuration");
- if (SMOB_IS_TYPE_B(Moment, s))
- m = m <? (now_mom () + *SMOB_TO_TYPE(Moment,s));
+ if (unsmob_moment (s))
+ m = m <? (now_mom () + *unsmob_moment (s)).main_part_;
span_stop_moments_.push (m);
}
}
void
-Tuplet_engraver::do_process_music ()
+Tuplet_engraver::create_grobs ()
{
SCM v = get_property ("tupletInvisible");
if (to_boolean (v))
if (i < started_span_p_arr_.size () && started_span_p_arr_[i])
continue;
- Tuplet_spanner* glep = new Tuplet_spanner;
+ 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;
- glep->set_elt_property ("text",
- ly_str02scm (to_str (time_scaled_music_arr_[i]->den_i_).ch_C()));
+
+ SCM proc = get_property ("tupletNumberFormatFunction");
+ if (gh_procedure_p (proc))
+ {
+ SCM t = gh_apply (proc, scm_list_n (time_scaled_music_arr_[i]->self_scm (), SCM_UNDEFINED));
+ glep->set_grob_property ("text", t);
+ }
- announce_element (Score_element_info (glep, time_scaled_music_arr_ [i]));
+ announce_grob (glep, time_scaled_music_arr_ [i]);
}
}
void
-Tuplet_engraver::acknowledge_element (Score_element_info i)
+Tuplet_engraver::acknowledge_grob (Grob_info i)
{
- bool grace= to_boolean (i.elem_l_->get_elt_property ("grace"));
- SCM wg = get_property ("weAreGraceContext");
- bool wgb = to_boolean (wg);
- if (grace != wgb)
- return;
-
- if (Note_column *nc = dynamic_cast<Note_column *> (i.elem_l_))
+ if (Note_column::has_interface (i.grob_l_))
{
for (int j =0; j <started_span_p_arr_.size (); j++)
if (started_span_p_arr_[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++)
- if (started_span_p_arr_[j])
- started_span_p_arr_[j]->add_beam (b);
+ Tuplet_bracket::add_column (started_span_p_arr_[j], dynamic_cast<Item*> (i.grob_l_));
}
}
void
-Tuplet_engraver::do_post_move_processing ()
+Tuplet_engraver::start_translation_timestep ()
{
Moment now = now_mom ();
Moment tsd;
SCM s = get_property ("tupletSpannerDuration");
- if (SMOB_IS_TYPE_B(Moment, s))
- tsd = *SMOB_TO_TYPE(Moment,s);
+ if (unsmob_moment (s))
+ tsd = unsmob_moment (s)->main_part_;
- for (int i= started_span_p_arr_.size (); i--; )
+ for (int i= started_span_p_arr_.size (); i--;)
{
- if (now >= span_stop_moments_[i])
+ if (now.main_part_ >= span_stop_moments_[i])
{
if (started_span_p_arr_[i])
{
- typeset_element (started_span_p_arr_[i]);
+ typeset_grob (started_span_p_arr_[i]);
started_span_p_arr_[i] =0;
}
- if (tsd)
- span_stop_moments_[i] += tsd;
+ if (tsd.to_bool ())
+ span_stop_moments_[i] += tsd.main_part_;
}
- if (now >= stop_moments_[i])
+ if (now.main_part_ >= stop_moments_[i])
{
started_span_p_arr_.del (i);
- stop_moments_.del(i);
+ stop_moments_.del (i);
span_stop_moments_.del (i);
- time_scaled_music_arr_.del(i);
+ time_scaled_music_arr_.del (i);
}
}
}
void
-Tuplet_engraver::do_removal_processing ()
+Tuplet_engraver::finalize ()
{
for (int i=0; i < started_span_p_arr_.size (); i++)
{
if (started_span_p_arr_[i])
- typeset_element (started_span_p_arr_[i]);
+ typeset_grob (started_span_p_arr_[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",
+/* acks */ "note-column-interface",
+/* reads */ "tupletNumberFormatFunction tupletSpannerDuration tupletInvisible",
+/* write */ "");
projects / lilypond.git / blobdiff