/*
- head-grav.cc -- part of GNU LilyPond
+ tab-note-heads-engraver.cc -- part of GNU LilyPond
- (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 2002--2008 Han-Wen Nienhuys, Jean-Baptiste Lamy <jiba@tuxfamily.org>,
*/
-#include <ctype.h>
-#include <stdio.h>
-#include "rhythmic-head.hh"
-#include "paper-def.hh"
-#include "event.hh"
-#include "dots.hh"
-#include "dot-column.hh"
-#include "staff-symbol-referencer.hh"
+#include <cctype>
+#include <cstdio>
+
+#include "engraver.hh"
+
+using namespace std;
+
+#include "duration.hh"
#include "item.hh"
-#include "score-engraver.hh"
+#include "output-def.hh"
+#include "pitch.hh"
+#include "rhythmic-head.hh"
+#include "stream-event.hh"
#include "warn.hh"
+#include "context.hh"
+
+#include "translator.icc"
/**
make (guitar-like) tablature note
*/
class Tab_note_heads_engraver : public Engraver
{
- Link_array<Item> notes_;
-
- Link_array<Item> dots_;
- Link_array<Music> note_events_;
- Link_array<Music> tabstring_events_;
+ vector<Item*> notes_;
+
+ vector<Stream_event*> note_events_;
+ vector<Stream_event*> tabstring_events_;
public:
TRANSLATOR_DECLARATIONS (Tab_note_heads_engraver);
protected:
- virtual bool try_music (Music *event) ;
- virtual void process_music ();
+ DECLARE_TRANSLATOR_LISTENER (note);
+ DECLARE_TRANSLATOR_LISTENER (string_number);
+ void process_music ();
- virtual void stop_translation_timestep ();
+ void stop_translation_timestep ();
};
-
Tab_note_heads_engraver::Tab_note_heads_engraver ()
{
}
-bool
-Tab_note_heads_engraver::try_music (Music *m)
+IMPLEMENT_TRANSLATOR_LISTENER (Tab_note_heads_engraver, note);
+void
+Tab_note_heads_engraver::listen_note (Stream_event *ev)
{
- if (m->is_mus_type ("note-event"))
- {
- note_events_.push (m);
- return true;
- }
- else if (m->is_mus_type ("string-number-event"))
- {
- tabstring_events_.push (m);
- return true;
- }
- else if (m->is_mus_type ("busy-playing-event"))
- {
- return note_events_.size ();
- }
-
- return false;
+ note_events_.push_back (ev);
}
+IMPLEMENT_TRANSLATOR_LISTENER (Tab_note_heads_engraver, string_number);
+void
+Tab_note_heads_engraver::listen_string_number (Stream_event *ev)
+{
+ tabstring_events_.push_back (ev);
+}
void
Tab_note_heads_engraver::process_music ()
{
- int j = 0;
- for (int i=0; i < note_events_.size (); i++)
+ vsize j = 0;
+ for (vsize i = 0; i < note_events_.size (); i++)
{
- SCM stringTunings = get_property ("stringTunings");
- int number_of_strings = ((int) ly_length (stringTunings));
+ SCM string_tunings = get_property ("stringTunings");
+ int string_count = scm_ilength (string_tunings);
bool high_string_one = to_boolean (get_property ("highStringOne"));
-
- Music * event = note_events_[i];
- Item * note = make_item ("TabNoteHead", event->self_scm ());
+ Stream_event *event = note_events_[i];
-
- Music * tabstring_event=0;
+ Stream_event *tabstring_event = 0;
- for (SCM s =event->get_property ("articulations");
- !tabstring_event && ly_c_pair_p (s); s = ly_cdr (s))
+ for (SCM s = event->get_property ("articulations");
+ !tabstring_event && scm_is_pair (s); s = scm_cdr (s))
{
- Music * art = unsmob_music (ly_car (s));
+ Stream_event *art = unsmob_stream_event (scm_car (s));
- if (art->is_mus_type ("string-number-event"))
+ if (art->in_event_class ("string-number-event"))
tabstring_event = art;
}
- if (!tabstring_event && j < tabstring_events_.size ())
+ if (!tabstring_event && j < tabstring_events_.size ())
{
tabstring_event = tabstring_events_[j];
- if (j +1 < tabstring_events_.size ())
+ if (j + 1 < tabstring_events_.size ())
j++;
}
- int tab_string;
- bool string_found;
+ int string_number = 0;
if (tabstring_event)
- {
- tab_string = ly_scm2int (tabstring_event->get_property ("string-number"));
- string_found = true;
- }
- else
- {
- tab_string = high_string_one ? 1 : number_of_strings;
- string_found = false;
- }
-
- Duration dur = *unsmob_duration (event->get_property ("duration"));
- note->set_property ("duration-log",
- scm_int2num (dur.duration_log ()));
+ string_number = scm_to_int (tabstring_event->get_property ("string-number"));
- if (dur.dot_count ())
+ if (!string_number)
{
- Item * d = make_item ("Dots", event->self_scm ());
- Rhythmic_head::set_dots (note, d);
-
- if (dur.dot_count ()
- != ly_scm2int (d->get_property ("dot-count")))
- d->set_property ("dot-count", scm_int2num (dur.dot_count ()));
-
- d->set_parent (note, Y_AXIS);
+ SCM scm_pitch = event->get_property ("pitch");
+ int min_fret = robust_scm2int (get_property ("minimumFret"), 0);
+ int start = (high_string_one) ? 1 : string_count;
+ int end = (high_string_one) ? string_count+1 : 0;
+
+ int i = start;
+ do
+ {
+ int fret = unsmob_pitch (scm_pitch)->rounded_semitone_pitch ()
+ - scm_to_int (robust_list_ref (i - 1, string_tunings));
- dots_.push (d);
+ if (fret >= min_fret)
+ {
+ string_number = i;
+ break;
+ }
+ i += high_string_one ? 1 : -1;
+ }
+ while (i != end);
}
-
- SCM scm_pitch = event->get_property ("pitch");
- SCM proc = get_property ("tablatureFormat");
- SCM min_fret_scm = get_property ("minimumFret");
- int min_fret = ly_c_number_p (min_fret_scm) ? ly_scm2int (min_fret_scm) : 0;
-
- while (!string_found)
+ if (string_number)
{
- int fret = unsmob_pitch (scm_pitch)->semitone_pitch ()
- - ly_scm2int (scm_list_ref (stringTunings,scm_int2num (tab_string-1)));
- if (fret<min_fret)
- tab_string += high_string_one ? 1 : -1;
- else
- string_found = true;
- }
+ SCM proc = get_property ("tablatureFormat");
+ SCM text = scm_call_3 (proc, scm_from_int (string_number),
+ context ()->self_scm (),
+ event->self_scm ());
+ Item *note = make_item ("TabNoteHead", event->self_scm ());
+ note->set_property ("text", text);
- SCM text = scm_call_3 (proc, scm_int2num (tab_string), stringTunings, scm_pitch);
- int pos = 2 * tab_string - number_of_strings - 1; // No tab-note between the string !!!
- if (to_boolean (get_property ("stringOneTopmost")))
- pos = -pos;
-
- note->set_property ("text", text);
+ int pos = 2 * string_number - string_count - 1; // No tab-note between the string !!!
+ if (to_boolean (get_property ("stringOneTopmost")))
+ pos = - pos;
+
+ note->set_property ("staff-position", scm_from_int (pos));
- note->set_property ("staff-position", scm_int2num (pos));
- notes_.push (note);
+ notes_.push_back (note);
+ }
+ else
+ event->origin ()->warning ("could not calculate a string number.");
}
}
-
void
Tab_note_heads_engraver::stop_translation_timestep ()
{
- for (int i=0; i < notes_.size (); i++)
- {
- typeset_grob (notes_[i]);
- }
-
notes_.clear ();
- for (int i=0; i < dots_.size (); i++)
- {
- typeset_grob (dots_[i]);
- }
-
- dots_.clear ();
note_events_.clear ();
tabstring_events_.clear ();
}
+ADD_TRANSLATOR (Tab_note_heads_engraver,
+ /* doc */
+ "Generate one or more tablature noteheads from event of type"
+ " @code{NoteEvent}.",
+
+ /* create */
+ "TabNoteHead ",
+
+ /* read */
+ "middleCPosition "
+ "stringTunings "
+ "minimumFret "
+ "tablatureFormat "
+ "highStringOne "
+ "stringOneTopmost ",
-ENTER_DESCRIPTION (Tab_note_heads_engraver,
-/* descr */ "Generate one or more tablature noteheads from Music of type NoteEvent.",
-/* creats*/ "TabNoteHead Dots",
-/* accepts */ "note-event string-number-event busy-playing-event",
-/* acks */ "",
-/* reads */ "middleCPosition stringTunings minimumFret tablatureFormat highStringOne stringOneTopmost",
-/* write */ "");
+ /* write */ ""
+ );
projects / lilypond.git / blobdiff