source file of the GNU LilyPond music typesetter
- (c) 2002--2004 Juergen Reuter <reuter@ipd.uka.de>
-
+ (c) 2002--2008 Juergen Reuter <reuter@ipd.uka.de>
+
Han-Wen Nienhuys <hanwen@xs4all.nl
-
*/
#include "engraver.hh"
+
+#include "accidental-placement.hh"
+#include "axis-group-interface.hh"
#include "item.hh"
#include "note-head.hh"
-#include "staff-symbol-referencer.hh"
-#include "event.hh"
-#include "pitch.hh"
#include "pitch-interval.hh"
+#include "pointer-group-interface.hh"
#include "protected-scm.hh"
#include "side-position-interface.hh"
+#include "separation-item.hh"
+#include "staff-symbol-referencer.hh"
+#include "stream-event.hh"
+#include "translator.icc"
class Ambitus_engraver : public Engraver
{
public:
-TRANSLATOR_DECLARATIONS (Ambitus_engraver);
- virtual void process_music ();
- virtual void acknowledge_grob (Grob_info);
- virtual void stop_translation_timestep ();
+ TRANSLATOR_DECLARATIONS (Ambitus_engraver);
+ void process_music ();
+ void acknowledge_note_head (Grob_info);
+ void stop_translation_timestep ();
virtual void finalize ();
+ virtual void derived_mark () const;
private:
void create_ambitus ();
Item *ambitus_;
+ Item *group_;
Drul_array<Item *> heads_;
Drul_array<Item *> accidentals_;
+ Drul_array<Stream_event *> causes_;
Pitch_interval pitch_interval_;
bool is_typeset_;
int start_c0_;
- Protected_scm start_key_sig_;
+ SCM start_key_sig_;
};
void
-Ambitus_engraver::create_ambitus ()
+Ambitus_engraver::derived_mark () const
{
- ambitus_ = make_item ("Ambitus",SCM_EOL);
- is_typeset_ = false;
+ scm_gc_mark (start_key_sig_);
}
+void
+Ambitus_engraver::create_ambitus ()
+{
+ ambitus_ = make_item ("AmbitusLine", SCM_EOL);
+ group_ = make_item ("Ambitus", SCM_EOL);
+ Direction d = DOWN;
+ do
+ {
+ heads_[d] = make_item ("AmbitusNoteHead", SCM_EOL);
+ accidentals_[d] = make_item ("AmbitusAccidental", SCM_EOL);
+ accidentals_[d]->set_parent (heads_[d], Y_AXIS);
+ heads_[d]->set_object ("accidental-grob",
+ accidentals_[d]->self_scm ());
+ Axis_group_interface::add_element (group_, heads_[d]);
+ Axis_group_interface::add_element (group_, accidentals_[d]);
+ }
+ while (flip (&d) != DOWN);
+
+ ambitus_->set_parent (heads_[DOWN], X_AXIS);
+ Axis_group_interface::add_element (group_, ambitus_);
+
+ is_typeset_ = false;
+}
Ambitus_engraver::Ambitus_engraver ()
{
ambitus_ = 0;
+ heads_[LEFT] = heads_[RIGHT] = 0;
+ accidentals_[LEFT] = accidentals_[RIGHT] = 0;
+ group_ = 0;
is_typeset_ = false;
+ start_key_sig_ = SCM_EOL;
}
void
Ambitus_engraver::process_music ()
{
/*
- * Ensure that ambitus is created in the very first timestep (on
- * which lily does not call start_translation_timestep ()).
- * Otherwise, if a voice begins with a rest, the ambitus grob will
- * be placed after the rest.
+ * Ensure that ambitus is created in the very first timestep
*/
if (!ambitus_)
- {
- create_ambitus ();
- }
+ create_ambitus ();
}
void
start_c0_ = robust_scm2int (get_property ("middleCPosition"), 0);
start_key_sig_ = get_property ("keySignature");
- Direction d = DOWN;
- do
- {
- heads_[d] = make_item ("AmbitusNoteHead", SCM_EOL);
- accidentals_[d] = make_item ("AmbitusAccidental", SCM_EOL);
- heads_[d]->set_property ("accidental-grob", accidentals_[d]->self_scm ());
- Side_position_interface::add_support (accidentals_[d], heads_[d]);
- }
- while (flip (&d) != DOWN);
- ambitus_->set_parent (heads_[DOWN], X_AXIS);
is_typeset_ = true;
}
}
void
-Ambitus_engraver::acknowledge_grob (Grob_info info)
+Ambitus_engraver::acknowledge_note_head (Grob_info info)
{
- Item *item = dynamic_cast <Item *>(info.grob_);
- if (item)
+ Stream_event *nr = info.event_cause ();
+ if (nr && nr->in_event_class ("note-event"))
{
- if (Note_head::has_interface (info.grob_))
- {
- Music *nr = info.music_cause ();
- if (nr && nr->is_mus_type ("note-event"))
- {
- Pitch pitch = *unsmob_pitch (nr->get_property ("pitch"));
- pitch_interval_.add_point (pitch);
- }
- }
+ Pitch pitch = *unsmob_pitch (nr->get_property ("pitch"));
+ Drul_array<bool> expands = pitch_interval_.add_point (pitch);
+ if (expands[UP])
+ causes_[UP] = nr;
+ if (expands[DOWN])
+ causes_[DOWN] = nr;
}
}
{
if (ambitus_ && !pitch_interval_.is_empty ())
{
+ Grob *accidental_placement =
+ make_item ("AccidentalPlacement",
+ accidentals_[DOWN]->self_scm ());
+
Direction d = DOWN;
do
{
Pitch p = pitch_interval_[d];
+ heads_[d]->set_property ("cause", causes_[d]->self_scm());
heads_[d]->set_property ("staff-position",
- scm_from_int (start_c0_ +
- p.steps ()));
+ scm_from_int (start_c0_
+ + p.steps ()));
SCM handle = scm_assoc (scm_cons (scm_from_int (p.get_octave ()),
scm_from_int (p.get_notename ())),
start_key_sig_);
- int sig_alter = (handle != SCM_BOOL_F) ? ly_scm2int (ly_car (handle)) : 0;
+ if (handle == SCM_BOOL_F)
+ handle = scm_assoc (scm_from_int (p.get_notename ()),
+ start_key_sig_);
+
+ Rational sig_alter = (handle != SCM_BOOL_F)
+ ? robust_scm2rational (scm_cdr (handle), Rational (0)) : Rational (0);
+
if (sig_alter == p.get_alteration ())
{
- accidentals_[d]->suicide();
- heads_[d]->set_property ("accidental-grob", SCM_EOL);
+ accidentals_[d]->suicide ();
+ heads_[d]->set_object ("accidental-grob", SCM_EOL);
}
else
{
- accidentals_[d]->set_property ("accidentals",
- scm_list_1 (scm_from_int (p.get_alteration ())));
+ accidentals_[d]->set_property ("alteration", ly_rational2scm (p.get_alteration ()));
}
+ Separation_item::add_conditional_item (heads_[d], accidental_placement);
+ Accidental_placement::add_accidental (accidental_placement, accidentals_[d]);
}
while (flip (&d) != DOWN);
- ambitus_->set_property ("note-heads", scm_list_2 (heads_[DOWN]->self_scm (),
- heads_[UP]->self_scm ()));
+
+ Pointer_group_interface::add_grob (ambitus_, ly_symbol2scm ("note-heads"), heads_[DOWN]);
+ Pointer_group_interface::add_grob (ambitus_, ly_symbol2scm ("note-heads"), heads_[UP]);
+ Axis_group_interface::add_element (group_, accidental_placement);
}
else
{
Direction d = DOWN;
do
{
- accidentals_[d]->suicide();
- heads_[d]->suicide();
- }
+ accidentals_[d]->suicide ();
+ heads_[d]->suicide ();
+ }
while (flip (&d) != DOWN);
- ambitus_->suicide();
+
+ ambitus_->suicide ();
}
}
-ENTER_DESCRIPTION (Ambitus_engraver,
-/* descr */ "",
-/* creats*/ "Ambitus",
-/* accepts */ "",
-/* acks */ "note-head-interface",
-/* reads */ "",
-/* write */ "");
+ADD_ACKNOWLEDGER (Ambitus_engraver, note_head);
+ADD_TRANSLATOR (Ambitus_engraver,
+ /* doc */
+ "",
+
+ /* create */
+ "AccidentalPlacement "
+ "Ambitus "
+ "AmbitusAccidental "
+ "AmbitusLine "
+ "AmbitusNoteHead ",
+
+ /* read */
+ "",
+
+ /* write */
+ ""
+ );
projects / lilypond.git / blobdiff