source file of the GNU LilyPond music typesetter
- (c) 1998--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1998--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "engraver.hh"
#include "side-position-interface.hh"
#include "item.hh"
-#include "musical-request.hh"
+#include "event.hh"
#include "stem.hh"
#include "rhythmic-head.hh"
+#include "self-alignment-interface.hh"
class Fingering_engraver : public Engraver
{
Link_array<Music> reqs_;
Link_array<Item> fingerings_;
- Link_array<Music> up_reqs_;
- Link_array<Music> hor_reqs_;
- Link_array<Music> down_reqs_;
-
public:
TRANSLATOR_DECLARATIONS(Fingering_engraver);
protected:
bool
Fingering_engraver::try_music (Music *m)
{
- if (dynamic_cast<Text_script_req*> (m))
+ if (m->is_mus_type ("fingering-event"))
{
- if (m->get_mus_property ("text-type") != ly_symbol2scm ("finger"))
- return false;
-
reqs_.push (m);
return true;
}
void
Fingering_engraver::acknowledge_grob (Grob_info inf)
{
-
if (Stem::has_interface (inf.grob_))
{
for (int i=0; i < fingerings_.size (); i++)
}
else if (Rhythmic_head::has_interface (inf.grob_))
{
- Music * mc =inf.music_cause ();
- Pitch * mp = mc? unsmob_pitch (mc->get_mus_property ("pitch")) :0;
for (int i=0; i < fingerings_.size (); i++)
{
Grob*t = fingerings_[i];
Side_position_interface::add_support (t,inf.grob_);
- Pitch *fp = unsmob_pitch (t->get_grob_property ("pitch"));
- if (fp)
- {
- if (!mp)
- continue;
-
- if (*fp == *mp)
- {
- Axis other = other_axis (Side_position_interface::get_axis (t));
- t->set_parent (inf.grob_, other);
- }
- }
- else
- {
- if (!t->get_parent (X_AXIS))
+ if (!t->get_parent (X_AXIS))
t->set_parent (inf.grob_, X_AXIS);
- }
}
}
}
-static int
-req_compare (Music * const &a,Music * const &b)
-{
- Pitch *pa = unsmob_pitch (a->get_mus_property ("pitch"));
- Pitch *pb = unsmob_pitch (b->get_mus_property ("pitch"));
-
- if (!pa && !pb)
- return 0;
- if (pa && !pb)
- return 1;
- if (!pa && pb)
- return -1;
-
- return Pitch::compare (*pa, *pb);
-}
-
void
Fingering_engraver::process_music ()
{
- if (!reqs_.size())
- return ;
-
- Link_array<Music> pitch_sorted_reqs = reqs_;
- for (int i= pitch_sorted_reqs.size(); i--;)
+ for (int i= reqs_.size(); i--;)
{
- SCM dir = pitch_sorted_reqs[i]->get_mus_property ("direction");
- if (ly_dir_p (dir) && to_dir (dir)) {
- if (to_dir (dir) == UP)
- up_reqs_.push (pitch_sorted_reqs[i]);
- else if (to_dir (dir) == DOWN)
- down_reqs_ .push (pitch_sorted_reqs[i]);
- pitch_sorted_reqs.del(i);
-
- continue ;
- }
- else if (!unsmob_pitch (pitch_sorted_reqs[i]->get_mus_property ("pitch")))
- {
- /*
- chuck out reqs that have no pitch. We put them over the note by default.
- */
- up_reqs_.push (pitch_sorted_reqs [i]);
- pitch_sorted_reqs.del (i);
- }
- }
- up_reqs_.reverse ();
- down_reqs_.reverse ();
-
- pitch_sorted_reqs.sort (&req_compare);
-
- if (to_boolean (get_property ("scriptHorizontal")))
- {
-#if 1 // -> 0 for testing horizontal fingerings.
-
- down_reqs_.push ( pitch_sorted_reqs[0]);
- pitch_sorted_reqs.del (0);
-
- if (pitch_sorted_reqs.size())
- {
- up_reqs_.push (pitch_sorted_reqs.top ());
- pitch_sorted_reqs.pop();
- }
-#endif
- hor_reqs_ = pitch_sorted_reqs;
+ SCM dir = reqs_[i]->get_mus_property ("direction");
+ make_script (to_dir (dir), reqs_[i], Y_AXIS, i);
}
- else
- {
- int sz = pitch_sorted_reqs.size ();
- down_reqs_.concat (pitch_sorted_reqs.slice(0, (sz + sz%2)/2 ));
- up_reqs_.concat (pitch_sorted_reqs.slice((sz + sz%2)/2, sz));
- hor_reqs_ .clear ();
- }
-
- for (int i = 0; i < down_reqs_.size();i++)
- make_script (DOWN, down_reqs_[i], Y_AXIS, i);
- for (int i = 0; i < up_reqs_.size();i++)
- make_script (UP, up_reqs_[i], Y_AXIS, i);
- for (int i = 0; i < hor_reqs_.size();i++)
- make_script (CENTER, hor_reqs_[i],X_AXIS, i);
}
void
Fingering_engraver::make_script (Direction d, Music *r,Axis a, int i)
{
- Item *fingering = new Item (get_property ("Fingering"));
+ Item *fingering = make_item ("Fingering");
Axis other = other_axis (a);
fingering->set_grob_property ("script-priority", gh_int2scm (priority));
- if (!ly_dir_p (fingering->get_grob_property ("direction")))
+ if (!is_direction (fingering->get_grob_property ("direction")))
{
if (d)
fingering->set_grob_property ("direction", gh_int2scm (d));
else
fingering->set_grob_property ("direction", gh_int2scm (RIGHT));
}
-
- fingering->set_grob_property ("text", r->get_mus_property ("text"));
-
+
+ SCM dig = r->get_mus_property ("digit");
+ fingering->set_grob_property ("text", scm_number_to_string (dig, gh_int2scm (10)));
+
announce_grob (fingering, r->self_scm());
fingerings_.push (fingering);
}
for (int i=0; i < fingerings_.size (); i++)
{
Item *ti = fingerings_[i];
- Side_position_interface::add_staff_support (ti);
typeset_grob (ti);
}
fingerings_.clear ();
Fingering_engraver::start_translation_timestep ()
{
reqs_.clear ();
- up_reqs_.clear ();
- down_reqs_.clear ();
- hor_reqs_.clear ();
}
Fingering_engraver::Fingering_engraver()
ENTER_DESCRIPTION(Fingering_engraver,
/* descr */ "Create fingering-scripts",
/* creats*/ "Fingering",
-/* acks */ "rhythmic-head-interface stem-interface",
-/* reads */ "scriptHorizontal",
+/* accepts */ "fingering-event",
+/* acks */ "rhythmic-head-interface stem-interface",
+/* reads */ "",
/* write */ "");