source file of the GNU LilyPond music typesetter
- (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
Modified 2001--2002 by Rune Zedeler <rz@daimi.au.dk>
*/
#include "accidental-placement.hh"
#include "arpeggio.hh"
#include "context.hh"
-#include "engraver-group-engraver.hh"
#include "engraver.hh"
-#include "event.hh"
-#include "item.hh"
#include "protected-scm.hh"
#include "rhythmic-head.hh"
#include "side-position-interface.hh"
-#include "spanner.hh"
#include "tie.hh"
#include "warn.hh"
-
class Accidental_entry
{
public:
Music *melodic_;
Grob *accidental_;
Context *origin_;
+ Engraver *origin_trans_;
Grob *head_;
bool tied_;
virtual void process_acknowledged_grobs ();
virtual void finalize ();
+ virtual void derived_mark () const;
public:
- Protected_scm last_keysig_; // ugh.
-
+ SCM last_keysig_; // ugh.
+
/* Urgh. Since the accidentals depend on lots of variables, we have
- to store all information before we can really create the
- accidentals. */
+ to store all information before we can really create the
+ accidentals. */
Link_array<Grob> left_objects_;
Link_array<Grob> right_objects_;
Link_array<Spanner> ties_;
};
-
/*
TODO:
aren't. eg. localKeySignature is changed at runtime, which means
that references in grobs should always store ly_deep_copy ()s of
those.
- */
+*/
static void
set_property_on_children (Context *trans, char const *sym, SCM val)
{
trans->set_property (sym, ly_deep_copy (val));
- for (SCM p = trans->children_contexts (); ly_c_pair_p (p); p = ly_cdr (p))
+ for (SCM p = trans->children_contexts (); scm_is_pair (p); p = scm_cdr (p))
{
- Context *trg = unsmob_context (ly_car (p));
+ Context *trg = unsmob_context (scm_car (p));
set_property_on_children (trg, sym, ly_deep_copy (val));
}
}
last_keysig_ = SCM_EOL;
}
+void
+Accidental_engraver::derived_mark () const
+{
+ scm_gc_mark (last_keysig_);
+}
+
void
Accidental_engraver::update_local_key_signature ()
{
void
Accidental_engraver::initialize ()
{
- update_local_key_signature ();
+ update_local_key_signature ();
}
-
/** Calculate the number of accidentals on basis of the current local key
sig (passed as argument)
-
+
* First check step+octave (taking into account barnumbers if necessary).
-
+
* Then check the global signature (only step).
-
+
Return number of accidentals (0, 1 or 2). */
+
+static bool
+recent_enough (int bar_number, SCM alteration_def, SCM laziness)
+{
+ if (scm_is_number (alteration_def)
+ || laziness == SCM_BOOL_T)
+ return true;
+
+ return (bar_number <= scm_to_int (scm_cdr (alteration_def)) + scm_to_int (laziness));
+}
+
+static int
+extract_alteration (SCM alteration_def)
+{
+ if (scm_is_number (alteration_def))
+ return scm_to_int (alteration_def);
+ else if (scm_is_pair (alteration_def))
+ return scm_to_int (scm_car (alteration_def));
+ else if (alteration_def == SCM_BOOL_F)
+ return 0;
+ else
+ assert (0);
+ return 0;
+}
+
+bool
+is_tied (SCM alteration_def)
+{
+ return (alteration_def == SCM_BOOL_T)
+ || (scm_is_pair (alteration_def) && scm_car (alteration_def) == SCM_BOOL_T);
+}
+
static int
number_accidentals_from_sig (bool *different, SCM sig, Pitch *pitch,
- int curbarnum, SCM laziness, bool ignore_octave)
+ int bar_number, SCM laziness, bool ignore_octave)
{
int n = pitch->get_notename ();
int o = pitch->get_octave ();
- int a = pitch->get_alteration ();
- SCM prev_alt = SCM_BOOL_F;
+ SCM previous_alteration = SCM_BOOL_F;
- if (!ignore_octave)
+ SCM from_same_octave = ly_assoc_get (scm_cons (scm_int2num (o),
+ scm_int2num (n)), sig, SCM_BOOL_F);
+ SCM from_key_signature = ly_assoc_get (scm_int2num (n), sig, SCM_BOOL_F);
+ SCM from_other_octaves = SCM_BOOL_F;
+ for (SCM s = sig; scm_is_pair (s); s = scm_cdr (s))
{
- SCM prev_local
- = scm_assoc (scm_cons (scm_int2num (o), scm_int2num (n)), sig);
-
- if (ly_c_pair_p (prev_local))
- {
- if (ly_c_pair_p (ly_cdr (prev_local))
- && ly_c_number_p (laziness))
- {
- int barnum = ly_scm2int (ly_cddr (prev_local));
-
- prev_local = scm_cons (ly_car (prev_local), ly_cadr (prev_local));
- if (curbarnum <= barnum + ly_scm2int (laziness))
- prev_alt = prev_local;
- }
- }
+ SCM entry = scm_car (s);
+ if (scm_is_pair (scm_car (entry))
+ && scm_cdar (entry) == scm_int2num (n))
+ from_other_octaves = scm_cdr (entry);
}
- if (prev_alt == SCM_BOOL_F)
- prev_alt = scm_assoc (scm_int2num (n), sig);
-
- prev_alt = (prev_alt == SCM_BOOL_F) ? scm_int2num (0) : ly_cdr (prev_alt);
-
- /* UGH. prev_acc can be #t in case of ties. What is this for? */
- int p = ly_c_number_p (prev_alt) ? ly_scm2int (prev_alt) : 0;
+ if (from_same_octave != SCM_BOOL_F
+ && recent_enough (bar_number, from_same_octave, laziness))
+ {
+ previous_alteration = from_same_octave;
+ }
+ else if (ignore_octave
+ && from_other_octaves != SCM_BOOL_F
+ && recent_enough (bar_number, from_other_octaves, laziness))
+ {
+ previous_alteration = from_other_octaves;
+ }
+ else if (from_key_signature != SCM_BOOL_F)
+ {
+ previous_alteration = from_key_signature;
+ }
- int num;
- if (a == p && ly_c_number_p (prev_alt))
- num = 0;
- else if ( (abs (a)<abs (p) || p*a<0) && a != 0 )
- num = 2;
+ int num = 1;
+ if (is_tied (previous_alteration))
+ {
+ num = 1;
+ *different = true;
+ }
else
- num = 1;
-
- *different = (a != p);
+ {
+ int prev = extract_alteration (previous_alteration);
+ int alter = pitch->get_alteration ();
+
+ if (alter == prev)
+ num = 0;
+ else if ((abs (alter) < abs (prev) || prev * alter < 0) && alter != 0)
+ num = 2;
+ *different = (alter != prev);
+ }
return num;
}
static int
number_accidentals (bool *different,
Pitch *pitch, Context *origin,
- SCM accidentals, int curbarnum)
+ SCM accidentals, int bar_number)
{
int number = 0;
*different = false;
- if (ly_c_pair_p (accidentals) && !ly_c_symbol_p (ly_car (accidentals)))
- warning (_f ("Accidental typesetting list must begin with context-name: %s",
- ly_scm2string (ly_car (accidentals)).to_str0 ()));
-
- for (; ly_c_pair_p (accidentals) && origin;
- accidentals = ly_cdr (accidentals))
+ if (scm_is_pair (accidentals) && !scm_is_symbol (scm_car (accidentals)))
+ warning (_f ("Accidental typesetting list must begin with context-name: %s",
+ ly_scm2string (scm_car (accidentals)).to_str0 ()));
+
+ for (; scm_is_pair (accidentals) && origin;
+ accidentals = scm_cdr (accidentals))
{
// If pair then it is a new accidentals typesetting rule to be checked
- SCM rule = ly_car (accidentals);
- if (ly_c_pair_p (rule))
+ SCM rule = scm_car (accidentals);
+ if (scm_is_pair (rule))
{
- SCM type = ly_car (rule);
- SCM laziness = ly_cdr (rule);
+ SCM type = scm_car (rule);
+ SCM laziness = scm_cdr (rule);
SCM localsig = origin->get_property ("localKeySignature");
-
- bool same_octave_b =
- ly_c_eq_p (ly_symbol2scm ("same-octave"), type);
- bool any_octave_b =
- ly_c_eq_p (ly_symbol2scm ("any-octave"), type);
+
+ bool same_octave_b
+ = scm_is_eq (ly_symbol2scm ("same-octave"), type);
+ bool any_octave_b
+ = scm_is_eq (ly_symbol2scm ("any-octave"), type);
if (same_octave_b || any_octave_b)
{
bool d = false;
int n = number_accidentals_from_sig
- (&d, localsig, pitch, curbarnum, laziness, any_octave_b);
+ (&d, localsig, pitch, bar_number, laziness, any_octave_b);
*different = *different || d;
- number = max (number, n);
+ number = max (number, n);
}
else
- warning (_f ("ignoring unknown accidental: %s",
+ warning (_f ("ignoring unknown accidental: %s",
ly_symbol2string (type).to_str0 ()));
}
-
/*
if symbol then it is a context name. Scan parent contexts to find it.
*/
- else if (ly_c_symbol_p (rule))
+ else if (scm_is_symbol (rule))
{
Context *dad = origin;
while (dad && !dad->is_alias (rule))
dad = dad->get_parent_context ();
-
+
if (dad)
origin = dad;
}
- else warning (_f ("Accidental rule must be pair or context-name; Found %s",
+ else warning (_f ("Accidental rule must be pair or context-name; Found %s",
ly_scm2string (rule).to_str0 ()));
}
SCM smp = get_property ("measurePosition");
int bn = robust_scm2int (barnum, 0);
-
- Moment mp = (unsmob_moment (smp)) ? *unsmob_moment (smp) : Moment (0);
+
+ Moment mp = robust_scm2moment (smp, Moment (0));
if (mp.main_part_ < Rational (0))
bn--;
-
+
return bn;
}
{
if (accidentals_.size () && !accidentals_.top ().done_)
{
- SCM accidentals = get_property ("autoAccidentals");
- SCM cautionaries = get_property ("autoCautionaries");
+ SCM accidentals = get_property ("autoAccidentals");
+ SCM cautionaries = get_property ("autoCautionaries");
int barnum = get_bar_number ();
-
+
bool extra_natural_b = get_property ("extraNatural") == SCM_BOOL_T;
- for (int i = 0; i < accidentals_.size (); i++)
+ for (int i = 0; i < accidentals_.size (); i++)
{
- if (accidentals_[i].done_ )
+ if (accidentals_[i].done_)
continue;
- accidentals_[i].done_ = true;
+ accidentals_[i].done_ = true;
Grob *support = accidentals_[i].head_;
Music *note = accidentals_[i].melodic_;
Context *origin = accidentals_[i].origin_;
bool different = false;
bool different_caut = false;
-
+
int num = number_accidentals (&different,
pitch, origin,
accidentals, barnum);
cautionaries, barnum);
bool cautionary = to_boolean (note->get_property ("cautionary"));
-
+
if (num_caut > num)
{
num = num_caut;
if (num == 0 && to_boolean (note->get_property ("force-accidental")))
num = 1;
-
/*
Can not look for ties: it's not guaranteed that they reach
us before the notes
- */
-
+ */
+
if (num)
{
/*
We construct the accidentals at the originating Voice
level, so that we get the property settings for
Accidental from the respective Voice.
- */
+ */
Grob *a
- = make_item_from_properties (origin->implementation (),
+ = make_item_from_properties (accidentals_[i].origin_trans_,
ly_symbol2scm ("Accidental"),
- note->self_scm ());
+ note->self_scm (),
+ "Accidental");
a->set_parent (support, Y_AXIS);
if (!accidental_placement_)
if (cautionary)
a->set_property ("cautionary", SCM_BOOL_T);
-
+
support->set_property ("accidental-grob", a->self_scm ());
a->set_property ("accidentals", accs);
We add the accidentals to the support of the arpeggio,
so it is put left of the accidentals.
*/
- for (int i = 0; i < left_objects_.size (); i++)
+ for (int i = 0; i < left_objects_.size (); i++)
Side_position_interface::add_support (left_objects_[i], a);
- for (int i = 0; i < right_objects_.size (); i++)
+ for (int i = 0; i < right_objects_.size (); i++)
Side_position_interface::add_support (a, right_objects_[i]);
}
}
for (int j = ties_.size (); j--;)
{
Grob *r = Tie::head (ties_[j], RIGHT);
- for (int i = accidentals_.size (); i--;)
+ for (int i = accidentals_.size (); i--;)
if (accidentals_[i].head_ == r)
{
if (Grob *g = accidentals_[i].accidental_)
}
}
- for (int i = accidentals_.size (); i--;)
+ for (int i = accidentals_.size (); i--;)
{
int barnum = get_bar_number ();
Music *note = accidentals_[i].melodic_;
- Context * origin = accidentals_[i].origin_;
+ Context *origin = accidentals_[i].origin_;
Pitch *pitch = unsmob_pitch (note->get_property ("pitch"));
if (!pitch)
&& origin->where_defined (ly_symbol2scm ("localKeySignature")))
{
/*
- huh? we set props all the way to the top?
+ huh? we set props all the way to the top?
*/
SCM localsig = origin->get_property ("localKeySignature");
bool change = false;
&& note->is_mus_type ("note-event")
&& Rhythmic_head::has_interface (info.grob_))
{
- if (to_boolean ( get_property ("harmonicAccidentals"))
+ if (to_boolean (get_property ("harmonicAccidentals"))
|| !ly_c_equal_p (info.grob_->get_property ("style"),
- ly_symbol2scm ("harmonic")))
+ ly_symbol2scm ("harmonic")))
{
-
- Accidental_entry entry ;
+
+ Accidental_entry entry;
entry.head_ = info.grob_;
+ entry.origin_trans_ = dynamic_cast<Engraver *> (info.origin_trans_);
entry.origin_ = info.origin_trans_->context ();
entry.melodic_ = note;
}
}
else if (Tie::has_interface (info.grob_))
- ties_.push (dynamic_cast<Spanner*> (info.grob_));
+ ties_.push (dynamic_cast<Spanner *> (info.grob_));
else if (Arpeggio::has_interface (info.grob_))
- left_objects_.push (info.grob_);
+ left_objects_.push (info.grob_);
else if (info.grob_
->internal_has_interface (ly_symbol2scm ("finger-interface")))
- left_objects_.push (info.grob_);
+ left_objects_.push (info.grob_);
}
void
update_local_key_signature ();
}
-ENTER_DESCRIPTION (Accidental_engraver,
- "Make accidentals. "
- "Catch note heads, ties and notices key-change events. "
- "This engraver usually lives at Staff level, but "
- "reads the settings for Accidental at @code{Voice} level, "
- "so you can @code{\\override} them at @code{Voice}. ",
-
- "Accidental",
-
- "",
-
- "arpeggio-interface ",
- "autoAccidentals "
- "autoCautionaries",
- "finger-interface "
- "rhythmic-head-interface "
- "tie-interface "
-
- "extraNatural "
- "harmonicAccidentals "
- "localKeySignature "
-
- "localKeySignature");
+ADD_TRANSLATOR (Accidental_engraver,
+ "Make accidentals. "
+ "Catch note heads, ties and notices key-change events. "
+ "This engraver usually lives at Staff level, but "
+ "reads the settings for Accidental at @code{Voice} level, "
+ "so you can @code{\\override} them at @code{Voice}. ",
+ "Accidental",
+ "",
+ "arpeggio-interface "
+ "finger-interface "
+ "rhythmic-head-interface "
+ "tie-interface ",
+ "autoAccidentals "
+ "autoCautionaries "
+ "extraNatural "
+ "harmonicAccidentals "
+ "localKeySignature",
+ "localKeySignature");