source file of the GNU LilyPond music typesetter
- (c) 2002--2005 Juergen Reuter <reuter@ipd.uka.de>
-
+ (c) 2002--2007 Juergen Reuter <reuter@ipd.uka.de>
+
Han-Wen Nienhuys <hanwen@xs4all.nl
-
*/
#include "engraver.hh"
+
+#include "axis-group-interface.hh"
+#include "item.hh"
#include "note-head.hh"
#include "pitch-interval.hh"
+#include "pointer-group-interface.hh"
#include "protected-scm.hh"
-#include "staff-symbol-referencer.hh"
-#include "axis-group-interface.hh"
#include "side-position-interface.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;
void
Ambitus_engraver::create_ambitus ()
{
- ambitus_ = make_item ("AmbitusLine",SCM_EOL);
- group_ = make_item ("Ambitus",SCM_EOL);
+ 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_property ("accidental-grob", accidentals_[d]->self_scm ());
+ 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]);
Side_position_interface::add_support (accidentals_[d], heads_[d]);
}
while (flip (&d) != DOWN);
+
ambitus_->set_parent (heads_[DOWN], X_AXIS);
Axis_group_interface::add_element (group_, ambitus_);
-
- is_typeset_ = false;
-}
+ is_typeset_ = false;
+}
Ambitus_engraver::Ambitus_engraver ()
{
* be placed after the rest.
*/
if (!ambitus_)
- {
- create_ambitus ();
- }
+ create_ambitus ();
}
void
start_c0_ = robust_scm2int (get_property ("middleCPosition"), 0);
start_key_sig_ = get_property ("keySignature");
-
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"));
+ pitch_interval_.add_point (pitch);
}
}
{
Pitch p = pitch_interval_[d];
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 ())),
if (handle == SCM_BOOL_F)
handle = scm_assoc (scm_from_int (p.get_notename ()),
start_key_sig_);
-
- int sig_alter = (handle != SCM_BOOL_F) ? scm_to_int (scm_cdr (handle)) : 0;
+
+ Rational sig_alter = (handle != SCM_BOOL_F)
+ ? ly_scm2rational (scm_cdr (handle)) : 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 ()));
}
}
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]);
}
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 ();
}
}
+ADD_ACKNOWLEDGER (Ambitus_engraver, note_head);
ADD_TRANSLATOR (Ambitus_engraver,
-/* descr */ "",
-/* creats*/ "Ambitus AmbitusLine AmbitusNoteHead AmbitusAccidental",
-/* accepts */ "",
-/* acks */ "note-head-interface",
-/* reads */ "",
-/* write */ "");
+ /* doc */ "",
+ /* create */
+ "Ambitus "
+ "AmbitusLine "
+ "AmbitusNoteHead "
+ "AmbitusAccidental",
+ /* read */ "",
+ /* write */ "");