/*
- head-grav.cc -- part of GNU LilyPond
+ completion-note-heads-engraver.cc -- Completion_heads_engraver
(c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include <ctype.h>
+#include <cctype>
#include "rhythmic-head.hh"
-#include "paper-def.hh"
+#include "output-def.hh"
#include "event.hh"
#include "dots.hh"
#include "dot-column.hh"
#include "warn.hh"
#include "spanner.hh"
#include "tie.hh"
+#include "global-context.hh"
+
+/*
+TODO: make matching rest engraver.
+*/
/*
When we catch the note, we predict the end of the note. We keep the
events living until we reach the predicted end-time.
- Every time process_music() is called and there are note events, we
+ Every time process_music () is called and there are note events, we
figure out how long the note to typeset should be. It should be no
longer than what's specified, than what is left to do and it should
not cross barlines.
Link_array<Music> scratch_note_reqs_;
Moment note_end_mom_;
- bool first_b_;
+ bool is_first_;
Rational left_to_do_;
Rational do_nothing_until_;
Duration find_nearest_duration (Rational length);
public:
- TRANSLATOR_DECLARATIONS(Completion_heads_engraver);
+ TRANSLATOR_DECLARATIONS (Completion_heads_engraver);
protected:
virtual void initialize ();
void
Completion_heads_engraver::initialize ()
{
- first_b_ = false;
+ is_first_ = false;
}
bool
{
note_reqs_.push (m);
- first_b_ = true;
+ is_first_ = true;
Moment musiclen = m->get_length ();
- Moment now = now_mom();
+ Moment now = now_mom ();
if (now_mom ().grace_part_)
{
}
else if (m->is_mus_type ("busy-playing-event"))
{
- return note_reqs_.size ();
+ return note_reqs_.size() && is_first_;
}
return false;
Duration
Completion_heads_engraver::find_nearest_duration (Rational length)
{
- int log_limit= 6;
+ int log_limit = 6;
- Duration d(0,0);
+ Duration d (0,0);
/*
this could surely be done more efficient. Left to the reader as an
void
Completion_heads_engraver::process_music ()
{
- if (!first_b_ && !left_to_do_)
+ if (!is_first_ && !left_to_do_)
return ;
- first_b_ = false;
+ is_first_ = false;
Moment now = now_mom ();
if (do_nothing_until_ > now.main_part_)
}
else
{
- orig = unsmob_duration (note_reqs_[0]->get_mus_property ("duration"));
+ orig = unsmob_duration (note_reqs_[0]->get_property ("duration"));
note_dur = *orig;
}
Moment nb = next_barline_moment ();
Moment next = now;
next.main_part_ += note_dur.get_length ();
- top_engraver ()->add_moment_to_process (next);
+
+ get_global_context ()->add_moment_to_process (next);
do_nothing_until_ = next.main_part_;
}
for (int i = 0;
left_to_do_ && i < note_reqs_.size (); i++)
{
- Item *note = make_item ("NoteHead");
-
Music * req = note_reqs_[i];
- if (scratch_note_reqs_.size())
+ if (scratch_note_reqs_.size ())
{
req = scratch_note_reqs_[i];
- SCM pits = note_reqs_[i]->get_mus_property ("pitch");
- req->set_mus_property ("pitch",pits);
+ SCM pits = note_reqs_[i]->get_property ("pitch");
+ req->set_property ("pitch",pits);
}
- req->set_mus_property ("duration", note_dur.smobbed_copy ());
- note->set_grob_property ("duration-log",
- gh_int2scm (note_dur.duration_log ()));
+ req->set_property ("duration", note_dur.smobbed_copy ());
+
+ Item *note = make_item ("NoteHead", req->self_scm ());
+ note->set_property ("duration-log",
+ scm_int2num (note_dur.duration_log ()));
- int dots= note_dur.dot_count ();
+ int dots = note_dur.dot_count ();
if (dots)
{
- Item * d = make_item ("Dots");
+ Item * d = make_item ("Dots", SCM_EOL);
Rhythmic_head::set_dots (note, d);
/*
measly attempt to save an eeny-weenie bit of memory.
*/
- if (dots != gh_scm2int (d->get_grob_property ("dot-count")))
- d->set_grob_property ("dot-count", gh_int2scm (dots));
+ if (dots != scm_to_int (d->get_property ("dot-count")))
+ d->set_property ("dot-count", scm_int2num (dots));
d->set_parent (note, Y_AXIS);
- announce_grob (d, SCM_EOL);
dots_.push (d);
}
- Pitch *pit =unsmob_pitch (req->get_mus_property ("pitch"));
+ Pitch *pit = unsmob_pitch (req->get_property ("pitch"));
int pos = pit->steps ();
- SCM c0 = get_property ("centralCPosition");
- if (gh_number_p (c0))
- pos += gh_scm2int (c0);
+ SCM c0 = get_property ("middleCPosition");
+ if (scm_is_number (c0))
+ pos += scm_to_int (c0);
- note->set_grob_property ("staff-position", gh_int2scm (pos));
- announce_grob (note,req->self_scm ());
+ note->set_property ("staff-position", scm_int2num (pos));
notes_.push (note);
}
- if (prev_notes_.size() == notes_.size ())
+ if (prev_notes_.size () == notes_.size ())
{
- for (int i= 0; i < notes_.size(); i++)
+ for (int i = 0; i < notes_.size (); i++)
{
- Grob * p = make_spanner ("Tie");
+ Grob * p = make_spanner ("Tie", SCM_EOL);
Tie::set_interface (p); // cannot remove yet!
Tie::set_head (p, LEFT, prev_notes_[i]);
Tie::set_head (p, RIGHT, notes_[i]);
ties_.push (p);
- announce_grob(p, SCM_EOL);
+
}
}
don't do complicated arithmetic with grace notes.
*/
if (orig
- && now_mom().grace_part_ )
+ && now_mom ().grace_part_ )
{
left_to_do_ = Rational (0,0);
}
void
Completion_heads_engraver::stop_translation_timestep ()
{
- for (int i = ties_.size (); i--;)
- typeset_grob (ties_[i]);
- ties_.clear();
+ ties_.clear ();
- for (int i=0; i < notes_.size (); i++)
- {
- typeset_grob (notes_[i]);
- }
- if (notes_.size())
+ if (notes_.size ())
prev_notes_ = notes_;
notes_.clear ();
- for (int i=0; i < dots_.size (); i++)
- {
- typeset_grob (dots_[i]);
- }
dots_.clear ();
- for (int i = scratch_note_reqs_.size(); i--;)
+ for (int i = scratch_note_reqs_.size (); i--;)
{
scm_gc_unprotect_object (scratch_note_reqs_[i]->self_scm () );
-
}
- scratch_note_reqs_.clear();
+ scratch_note_reqs_.clear ();
}
void
}
}
-Completion_heads_engraver::Completion_heads_engraver()
+Completion_heads_engraver::Completion_heads_engraver ()
{
}
-ENTER_DESCRIPTION(Completion_heads_engraver,
+ENTER_DESCRIPTION (Completion_heads_engraver,
/* descr */ "This engraver replaces "
"@code{Note_heads_engraver}. It plays some trickery to "
"break long notes and automatically tie them into the next measure.",
/* creats*/ "NoteHead Dots Tie",
/* accepts */ "busy-playing-event note-event",
/* acks */ "",
-/* reads */ "centralCPosition measurePosition measureLength",
+/* reads */ "middleCPosition measurePosition measureLength",
/* write */ "");