source file of the GNU LilyPond music typesetter
- (c) 1996--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1996--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include <math.h>
#include <libc-extension.hh>
#include "system.hh"
#include "group-interface.hh"
-
-MAKE_SCHEME_CALLBACK (Spanner, get_broken_into, 1);
-SCM
-Spanner::get_broken_into (SCM smob)
-{
- if (Spanner *me = dynamic_cast<Spanner*> (unsmob_grob (smob)))
-#if 0
- return ly_grob_array2scm (me->broken_into_l_arr_);
-#else
- {
- SCM s = SCM_EOL;
- for (int i = me->broken_into_l_arr_.size (); i; i--)
- s = gh_cons (me->broken_into_l_arr_[i-1]->self_scm (), s);
- return s;
- }
-#endif
-
- return SCM_EOL;
-}
-
void
Spanner::do_break_processing ()
{
{
if (!parent->spanned_rank_iv ().contains_b (this->spanned_rank_iv ()))
{
- programming_error (to_str ("Spanner `%s' is not fully contained in parent spanner `%s'.",
- name ().ch_C (),
- parent->name ().ch_C ()));
+ programming_error (to_string ("Spanner `%s' is not fully contained in parent spanner `%s'.",
+ name ().to_str0 (),
+ parent->name ().to_str0 ()));
}
}
}
- if (line_l () || broken_b ())
+ if (get_system () || broken_b ())
return;
if (left == right)
Item* bound = left->find_prebroken_piece (d);
if (!bound)
programming_error ("no broken bound");
- else if (bound->line_l ())
+ else if (bound->get_system ())
{
- Spanner * span_p = dynamic_cast<Spanner*> (clone ());
- span_p->set_bound (LEFT, bound);
- span_p->set_bound (RIGHT, bound);
+ Spanner * span = dynamic_cast<Spanner*> (clone ());
+ span->set_bound (LEFT, bound);
+ span->set_bound (RIGHT, bound);
- assert (span_p->line_l ());
- span_p->line_l ()->typeset_grob (span_p);
- broken_into_l_arr_.push (span_p);
+ assert (span->get_system ());
+ span->get_system ()->typeset_grob (span);
+ broken_intos_.push (span);
}
}
while ((flip (&d))!= LEFT);
}
else
{
- Link_array<Item> break_points = pscore_l_->line_l_->broken_col_range (left,right);
+ Link_array<Item> break_points = pscore_->system_->broken_col_range (left,right);
break_points.insert (left,0);
break_points.push (right);
Direction d = LEFT;
do
{
- if (!bounds[d]->line_l ())
+ if (!bounds[d]->get_system ())
bounds[d] = bounds[d]->find_prebroken_piece (- d);
}
while ((flip (&d))!= LEFT);
continue;
}
- Spanner *span_p = dynamic_cast<Spanner*> (clone ());
- span_p->set_bound (LEFT,bounds[LEFT]);
- span_p->set_bound (RIGHT,bounds[RIGHT]);
+ Spanner *span = dynamic_cast<Spanner*> (clone ());
+ span->set_bound (LEFT,bounds[LEFT]);
+ span->set_bound (RIGHT,bounds[RIGHT]);
- if (!bounds[LEFT]->line_l ()
+ if (!bounds[LEFT]->get_system ()
- || !bounds[RIGHT]->line_l ()
- || bounds[LEFT]->line_l () != bounds[RIGHT]->line_l ())
+ || !bounds[RIGHT]->get_system ()
+ || bounds[LEFT]->get_system () != bounds[RIGHT]->get_system ())
{
programming_error ("bounds of spanner are invalid");
- span_p->suicide ();
+ span->suicide ();
}
else
{
- bounds[LEFT]->line_l ()->typeset_grob (span_p);
- broken_into_l_arr_.push (span_p);
+ bounds[LEFT]->get_system ()->typeset_grob (span);
+ broken_intos_.push (span);
}
}
}
- broken_into_l_arr_.sort (Spanner::compare);
+ broken_intos_.sort (Spanner::compare);
+ for (int i= broken_intos_.size();i--;)
+ broken_intos_[i]->break_index_ = i;
+}
+
+int
+Spanner::get_break_index ()const
+{
+ return break_index_;
}
void
Direction i = (Direction) LEFT;
do
{
- if (!spanned_drul_[i]->line_l ())
+ if (!spanned_drul_[i]->get_system ())
set_bound (i,spanned_drul_[i]->find_prebroken_piece ((Direction) -i));
}
while (flip (&i) != LEFT);
if (spanned_drul_[LEFT])
{
- iv[LEFT] = Paper_column::rank_i (spanned_drul_[LEFT]->column_l ());
+ iv[LEFT] = Paper_column::get_rank (spanned_drul_[LEFT]->get_column ());
}
if (spanned_drul_[RIGHT])
{
- iv[RIGHT] = Paper_column::rank_i (spanned_drul_[RIGHT]->column_l ());
+ iv[RIGHT] = Paper_column::get_rank (spanned_drul_[RIGHT]->get_column ());
}
return iv;
}
+
Item*
Spanner::get_bound (Direction d) const
{
Spanner::Spanner (SCM s)
: Grob (s)
{
+ break_index_ = 0;
spanned_drul_[LEFT]=0;
spanned_drul_[RIGHT]=0;
+
Group_interface::add_thing (this, ly_symbol2scm ("interfaces"), ly_symbol2scm ("spanner-interface"));
-
-
}
Spanner::Spanner (Spanner const &s)
}
System *
-Spanner::line_l () const
+Spanner::get_system () const
{
if (!spanned_drul_[LEFT] || !spanned_drul_[RIGHT])
return 0;
- if (spanned_drul_[LEFT]->line_l () != spanned_drul_[RIGHT]->line_l ())
+ if (spanned_drul_[LEFT]->get_system () != spanned_drul_[RIGHT]->get_system ())
return 0;
- return spanned_drul_[LEFT]->line_l ();
+ return spanned_drul_[LEFT]->get_system ();
}
Grob*
Spanner::find_broken_piece (System*l) const
{
- int idx = binsearch_link_array (broken_into_l_arr_, (Spanner*)l, Spanner::compare);
+ int idx = binsearch_links (broken_intos_, (Spanner*)l, Spanner::compare);
if (idx < 0)
return 0;
else
- return broken_into_l_arr_ [idx];
+ return broken_intos_ [idx];
}
int
Spanner::compare (Spanner * const &p1, Spanner * const &p2)
{
- return p1->line_l ()->rank_i_ - p2->line_l ()->rank_i_;
+ return p1->get_system ()->rank_ - p2->get_system ()->rank_;
}
bool
Spanner::broken_b () const
{
- return broken_into_l_arr_.size ();
+ return broken_intos_.size ();
}
Real
Spanner::get_broken_left_end_align () const
{
- Paper_column *sc = dynamic_cast<Paper_column*> (spanned_drul_[LEFT]->column_l ());
+ Paper_column *sc = dynamic_cast<Paper_column*> (spanned_drul_[LEFT]->get_column ());
// Relevant only if left span point is first column in line
if (sc != NULL &&
- sc->break_status_dir () == RIGHT)
+ sc->break_status_dir () == RIGHT)
{
/*
}
SCM
-Spanner::do_derived_mark ()
+Spanner::do_derived_mark () const
{
/*
We'd be fucked if this is called before spanned_drul_[] is inited. */
- if (status_c_ == ORPHAN)
+ if (status_ == ORPHAN)
return SCM_EOL;
Direction d = LEFT;
scm_gc_mark (spanned_drul_[d]->self_scm ());
while (flip (&d) != LEFT);
- for (int i= broken_into_l_arr_.size () ; i--;)
- scm_gc_mark (broken_into_l_arr_[i]->self_scm ());
+ for (int i= broken_intos_.size () ; i--;)
+ scm_gc_mark (broken_intos_[i]->self_scm ());
return SCM_EOL;
}
Spanner*sp = dynamic_cast<Spanner*> (me);
r.item_l_drul_[LEFT] = sp->get_bound (LEFT);
r.item_l_drul_[RIGHT] = sp->get_bound (RIGHT);
- r.distance_f_ =
- gh_scm2double (me->get_grob_property ("minimum-length"))
- * 1.0;
+ r.distance_ =
+ robust_scm2double (me->get_grob_property ("minimum-length"), 0);
r.add_to_cols ();
return SCM_UNSPECIFIED;
}
+/*
+ Return I such that SP == SP->ORIGINAL_->BROKEN_INTOS_[I].
+ */
+int
+broken_spanner_index (Spanner * sp)
+{
+ Spanner * parent = dynamic_cast<Spanner*> (sp->original_);
+ return parent->broken_intos_.find_index (sp);
+}
+
+
Spanner*
unsmob_spanner (SCM s )
{
ADD_INTERFACE(Spanner,
"spanner-interface",
- "
-Other grobs have a shape that depends on the horizontal spacing. For
-example, slur, beam, tie, etc. These grobs form a subtype called
-@code{Spanner}. All spanners have two span-points (these must be
-@code{Item}s), one on the left and one on the right. The left bound is
-also the X-reference point of the spanner.
-",
+"Other grobs have a shape that depends on the horizontal spacing. For\n"
+"example, slur, beam, tie, etc. These grobs form a subtype called\n"
+"@code{Spanner}. All spanners have two span-points (these must be\n"
+"@code{Item}s), one on the left and one on the right. The left bound is\n"
+"also the X-reference point of the spanner.\n"
+,
"minimum-length");