source file of the GNU LilyPond music typesetter
- (C) 2000 Juergen Reuter <reuterj@ira.uka.de>,
-
+ (c) 2000--2005 Juergen Reuter <reuter@ipd.uka.de>,
Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
*/
#include "engraver.hh"
-#include "bar.hh"
+#include "bar-line.hh"
#include "item.hh"
#include "note-head.hh"
#include "staff-symbol-referencer.hh"
#include "warn.hh"
-#include "musical-request.hh"
/*
- This class implements an engraver for custos symbols.
-*/
+ * This class implements an engraver for custos symbols.
+ *
+ * FIXME: note heads inside of ligatures (i.e. ligature heads) are
+ * sometimes not recognized by this engraver. --jr
+ */
class Custos_engraver : public Engraver
{
public:
- Custos_engraver ();
+ TRANSLATOR_DECLARATIONS (Custos_engraver);
virtual void start_translation_timestep ();
virtual void acknowledge_grob (Grob_info);
- virtual void create_grobs ();
+ virtual void process_acknowledged_grobs ();
virtual void stop_translation_timestep ();
virtual void finalize ();
- VIRTUAL_COPY_CONS (Translator);
private:
- Item * create_custos ();
+ Item *create_custos ();
bool custos_permitted;
- Link_array<Grob> custos_arr_;
+ Link_array<Grob> custodes_;
Array<Pitch> pitches_;
};
custos_permitted = false;
}
-
void
Custos_engraver::stop_translation_timestep ()
{
/*
delay typeset until we're at the next moment, so we can silence custodes at the end of the piece.
- */
+ */
+ pitches_.clear ();
+
+ custos_permitted = false;
}
void
Custos_engraver::start_translation_timestep ()
{
- for (int i = custos_arr_.size (); i--;)
- {
- typeset_grob (custos_arr_[i]);
- }
- custos_arr_.clear ();
- pitches_.clear ();
-
- custos_permitted = false;
+ custodes_.clear ();
}
-
void
Custos_engraver::acknowledge_grob (Grob_info info)
{
- Item *item = dynamic_cast <Item *> (info.elem_l_);
+ Item *item = dynamic_cast<Item *> (info.grob ());
if (item)
{
- if (Bar::has_interface (info.elem_l_))
+ Music *m = info.music_cause ();
+ if (Bar_line::has_interface (info.grob ()))
custos_permitted = true;
- else if (Note_head::has_interface (info.elem_l_))
+ else if (Note_head::has_interface (info.grob ())
+ && m
+ && m->is_mus_type ("note-event"))
{
/*
don't look at the staff-position, since we can't be sure
whether Clef_engraver already applied a vertical shift.
*/
- Note_req * nr = dynamic_cast<Note_req*> (info.req_l_);
- if (nr)
- pitches_.push (*unsmob_pitch (nr->get_mus_property ("pitch")));
+ pitches_.push (*unsmob_pitch (m->get_property ("pitch")));
}
}
}
void
-Custos_engraver::create_grobs ()
+Custos_engraver::process_acknowledged_grobs ()
{
- if (gh_string_p (get_property ("whichBar")))
+ if (scm_is_string (get_property ("whichBar")))
custos_permitted = true;
-
+
if (custos_permitted)
{
for (int i = pitches_.size (); i--;)
Item *c = create_custos ();
int p = pitches_[i].steps ();
- SCM c0 = get_property ("centralCPosition");
- if (gh_number_p (c0))
- p += gh_scm2int (c0);
-
-
- c->set_grob_property ("staff-position",
- gh_int2scm (p));
-
+ SCM c0 = get_property ("middleCPosition");
+ if (scm_is_number (c0))
+ p += scm_to_int (c0);
+
+ c->set_property ("staff-position",
+ scm_int2num (p));
}
pitches_.clear ();
}
}
-Item*
+Item *
Custos_engraver::create_custos ()
{
- SCM basicProperties = get_property ("Custos");
- Item* custos = new Item (basicProperties);
-
- announce_grob (custos, 0);
- custos_arr_.push (custos);
-
+ Item *custos = make_item ("Custos", SCM_EOL);
+
+ custodes_.push (custos);
+
return custos;
}
void
Custos_engraver::finalize ()
{
- for (int i = custos_arr_.size (); i--;)
+ for (int i = custodes_.size (); i--;)
{
- custos_arr_[i]->suicide ();
- typeset_grob (custos_arr_[i]);
+ custodes_[i]->suicide ();
}
- custos_arr_.clear ();
+ custodes_.clear ();
}
-ADD_THIS_TRANSLATOR (Custos_engraver);
-
+ADD_TRANSLATOR (Custos_engraver,
+ /* descr */ "",
+ /* creats*/ "Custos",
+ /* accepts */ "",
+ /* acks */ "bar-line-interface note-head-interface",
+ /* reads */ "",
+ /* write */ "");