source file of the GNU LilyPond music typesetter
- (c) 1996--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1996--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include <math.h>
-#include <libc-extension.hh>
-
-#include "debug.hh"
#include "spanner.hh"
+
+
+#include "pointer-group-interface.hh"
+#include "libc-extension.hh"
#include "paper-column.hh"
-#include "paper-score.hh"
-#include "molecule.hh"
-#include "paper-outputter.hh"
#include "paper-column.hh"
-#include "line-of-score.hh"
-#include "break-align-item.hh"
-#include "group-interface.hh"
+#include "paper-score.hh"
+#include "stencil.hh"
+#include "system.hh"
+#include "warn.hh"
+
+Grob *
+Spanner::clone (int count) const
+{
+ return new Spanner (*this, count);
+}
void
Spanner::do_break_processing ()
{
//break_into_pieces
- Item * left = spanned_drul_[LEFT];
- Item * right = spanned_drul_[RIGHT];
+ Item *left = spanned_drul_[LEFT];
+ Item *right = spanned_drul_[RIGHT];
if (!left || !right)
return;
-
+
/*
Check if our parent in X-direction spans equally wide
or wider than we do.
- */
- for (int a = X_AXIS; a < NO_AXES; a ++)
+ */
+ for (int a = X_AXIS; a < NO_AXES; a++)
{
- if (Spanner* parent = dynamic_cast<Spanner*> (parent_l ((Axis)a)))
+ if (Spanner *parent = dynamic_cast<Spanner *> (get_parent ((Axis)a)))
{
- if (!parent->spanned_rank_iv ().contains_b (this->spanned_rank_iv ()))
+ if (!parent->spanned_rank_iv ().superset (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 ().c_str (),
+ parent->name ().c_str ()));
}
}
}
-
- if (line_l () || broken_b ())
+
+ if (get_system () || is_broken ())
return;
if (left == right)
Direction d = LEFT;
do
{
- Item* bound = left->find_prebroken_piece (d);
+ 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 (broken_intos_.size ()));
+ 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_back (span);
}
}
- while ((flip (&d))!= LEFT);
+ while ((flip (&d)) != LEFT);
}
else
{
- Link_array<Item> break_points = pscore_l_->line_l_->broken_col_range (left,right);
+ System *root = get_root_system (this);
+ vector<Item*> break_points = root->broken_col_range (left, right);
- break_points.insert (left,0);
- break_points.push (right);
+ break_points.insert (break_points.begin () + 0, left);
+ break_points.push_back (right);
- for (int i=1; i < break_points.size (); i++)
+ for (vsize i = 1; i < break_points.size (); i++)
{
- Drul_array<Item*> bounds;
- bounds[LEFT] = break_points[i-1];
+ Drul_array<Item *> bounds;
+ bounds[LEFT] = break_points[i - 1];
bounds[RIGHT] = break_points[i];
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);
+ while ((flip (&d)) != LEFT);
- if (!bounds[LEFT] || ! bounds[RIGHT])
+ if (!bounds[LEFT] || ! bounds[RIGHT])
{
programming_error ("bounds of this piece aren't breakable. ");
- continue;
+ 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 (broken_intos_.size ()));
+ span->set_bound (LEFT, bounds[LEFT]);
+ span->set_bound (RIGHT, bounds[RIGHT]);
+
+ if (!bounds[LEFT]->get_system ()
- if (!bounds[LEFT]->line_l ()
-
- || !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_back (span);
}
}
}
- broken_into_l_arr_.sort (Spanner::compare);
+ vector_sort (broken_intos_, Spanner::compare);
+ for (vsize i = broken_intos_.size (); i--;)
+ broken_intos_[i]->break_index_ = i;
+}
+
+vsize
+Spanner::get_break_index () const
+{
+ return break_index_;
}
void
Spanner::set_my_columns ()
{
Direction i = (Direction) LEFT;
- do
+ do
{
- if (!spanned_drul_[i]->line_l ())
- set_bound (i,spanned_drul_[i]->find_prebroken_piece ((Direction) -i));
- }
+ if (!spanned_drul_[i]->get_system ())
+ set_bound (i, spanned_drul_[i]->find_prebroken_piece ((Direction) -i));
+ }
while (flip (&i) != LEFT);
-}
+}
Interval_t<int>
Spanner::spanned_rank_iv ()
{
Interval_t<int> iv (0, 0);
- if (spanned_drul_[LEFT])
- {
- iv[LEFT] = Paper_column::rank_i (spanned_drul_[LEFT]->column_l ());
- }
- if (spanned_drul_[RIGHT])
- {
- iv[RIGHT] = Paper_column::rank_i (spanned_drul_[RIGHT]->column_l ());
- }
+ if (spanned_drul_[LEFT] && spanned_drul_[LEFT]->get_column ())
+ iv[LEFT] = spanned_drul_[LEFT]->get_column ()->get_rank ();
+ if (spanned_drul_[RIGHT] && spanned_drul_[RIGHT]->get_column ())
+ iv[RIGHT] = spanned_drul_[RIGHT]->get_column ()->get_rank ();
return iv;
}
-Item*
+Item *
Spanner::get_bound (Direction d) const
{
return spanned_drul_ [d];
X-axis parent of THIS to S.
*/
void
-Spanner::set_bound (Direction d, Grob*s)
+Spanner::set_bound (Direction d, Grob *s)
{
- Item * i = dynamic_cast<Item*> (s);
+ Item *i = dynamic_cast<Item *> (s);
if (!i)
{
- programming_error ("Must have Item for spanner bound.");
+ programming_error ("must have Item for spanner bound");
return;
}
-
- spanned_drul_[d] =i;
+
+ spanned_drul_[d] = i;
/**
- We check for Line_of_score to prevent the column -> line_of_score
+ We check for System to prevent the column -> line_of_score
-> column -> line_of_score -> etc situation */
- if (d== LEFT && !dynamic_cast<Line_of_score*> (this))
- {
- set_parent (i, X_AXIS);
- }
+ if (d == LEFT && !dynamic_cast<System *> (this))
+ set_parent (i, X_AXIS);
/*
Signal that this column needs to be kept alive. They need to be
[maybe we should try keeping all columns alive?, and perhaps
inherit position from their (non-)musical brother]
-
+
*/
- if (dynamic_cast<Paper_column*> (i))
- {
- Pointer_group_interface::add_element (i, "bounded-by-me",this);
- }
+ if (dynamic_cast<Paper_column *> (i))
+ Pointer_group_interface::add_grob (i, ly_symbol2scm ("bounded-by-me"), this);
}
-Spanner::Spanner (SCM s)
- : Grob (s)
+Spanner::Spanner (SCM s, Object_key const *key)
+ : Grob (s, key)
{
- spanned_drul_[LEFT]=0;
- spanned_drul_[RIGHT]=0;
+ break_index_ = 0;
+ spanned_drul_[LEFT] = 0;
+ spanned_drul_[RIGHT] = 0;
}
-Spanner::Spanner (Spanner const &s)
- : Grob (s)
+Spanner::Spanner (Spanner const &s, int count)
+ : Grob (s, count)
{
- spanned_drul_[LEFT] = spanned_drul_[RIGHT] =0;
+ spanned_drul_[LEFT] = spanned_drul_[RIGHT] = 0;
}
Real
Spanner::spanner_length () const
-{
+{
Real l = spanned_drul_[LEFT]->relative_coordinate (0, X_AXIS);
Real r = spanned_drul_[RIGHT]->relative_coordinate (0, X_AXIS);
- if (r< l)
+ if (r < l)
programming_error ("spanner with negative length");
- return r-l;
+ return r - l;
}
-Line_of_score *
-Spanner::line_l () const
+System *
+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 (Line_of_score*l) const
+Grob *
+Spanner::find_broken_piece (System *l) const
{
- int idx = binsearch_link_array (broken_into_l_arr_, (Spanner*)l, Spanner::compare);
-
- if (idx < 0)
- return 0;
- else
- return broken_into_l_arr_ [idx];
+ vsize idx = binary_search (broken_intos_, (Spanner *)l, Spanner::compare);
+ if (idx != VPOS)
+ return broken_intos_ [idx];
+ return 0;
}
-
int
-Spanner::compare (Spanner * const &p1, Spanner * const &p2)
+Spanner::compare (Spanner *const &p1, Spanner *const &p2)
{
- return p1->line_l ()->rank_i_ - p2->line_l ()->rank_i_;
+ return p1->get_system ()->get_rank () - p2->get_system ()->get_rank ();
}
bool
-Spanner::broken_b () const
+Spanner::is_broken () const
{
- return broken_into_l_arr_.size ();
+ return broken_intos_.size ();
}
-
/*
If this is a broken spanner, return the amount the left end is to be
shifted horizontally so that the spanner starts after the initial
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)
+ if (sc != NULL
+ && sc->break_status_dir () == RIGHT)
{
/*
-
We used to do a full search for the Break_align_item.
But that doesn't make a difference, since the Paper_column
is likely to contain only a Break_align_item.
return 0.0;
}
-SCM
-Spanner::do_derived_mark ()
+void
+Spanner::derived_mark () const
{
- /*
- We'd be fucked if this is called before spanned_drul_[] is inited. */
- if (status_c_ == ORPHAN)
- return SCM_EOL;
-
Direction d = LEFT;
do
if (spanned_drul_[d])
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 ());
+ while (flip (&d) != LEFT)
+ ;
- return SCM_EOL;
+ for (vsize i = broken_intos_.size (); i--;)
+ scm_gc_mark (broken_intos_[i]->self_scm ());
}
+/*
+ Set left or right bound to IT.
+
+ Warning: caller should ensure that subsequent calls put in ITems
+ that are left-to-right ordered.
+*/
void
-add_bound_item (Spanner* sp, Item*it)
+add_bound_item (Spanner *sp, Grob *it)
{
if (!sp->get_bound (LEFT))
sp->set_bound (LEFT, it);
sp->set_bound (RIGHT, it);
}
-/*
- Extends EXTREMAL_PAIR to include IT
- */
-static void
-extend_spanner_over_item (Item *it, SCM extremal_pair)
+MAKE_SCHEME_CALLBACK (Spanner, set_spacing_rods, 1);
+SCM
+Spanner::set_spacing_rods (SCM smob)
{
- if (!it)
- return;
- Item * col = it->column_l ();
- Item * i1 = dynamic_cast<Item*> (unsmob_grob (ly_car (extremal_pair)));
- Item * i2 = dynamic_cast<Item*> (unsmob_grob (ly_cdr (extremal_pair)));
- int r = Paper_column::rank_i (col);
- if (!i1 || r < Paper_column::rank_i (i1->column_l ()))
- {
- gh_set_car_x (extremal_pair, it->self_scm ());
- }
- if (!i2 || r > Paper_column::rank_i (i2->column_l ()))
- {
- gh_set_cdr_x (extremal_pair, it->self_scm ());
- }
-}
+ Grob *me = unsmob_grob (smob);
-/*
- Extends EXTREMAL_PAIR to include every grob in VALUE
- */
-static void
-extend_spanner_over_elements (SCM value, SCM extremal_pair)
-{
- if (gh_pair_p (value))
- {
- extend_spanner_over_elements (ly_car (value), extremal_pair);
- extend_spanner_over_elements (ly_cdr (value), extremal_pair);
- }
- else if (unsmob_grob (value))
- {
- if (Spanner * sp = dynamic_cast<Spanner*> (unsmob_grob (value)))
- {
- extend_spanner_over_item (sp->get_bound (LEFT), extremal_pair);
- extend_spanner_over_item (sp->get_bound (RIGHT), extremal_pair);
- }
- else if (Item * it= dynamic_cast<Item*> (unsmob_grob (value)))
- extend_spanner_over_item (it, extremal_pair);
- }
-}
+ Rod r;
+ Spanner *sp = dynamic_cast<Spanner *> (me);
+ r.item_drul_[LEFT] = sp->get_bound (LEFT);
+ r.item_drul_[RIGHT] = sp->get_bound (RIGHT);
+ r.distance_
+ = robust_scm2double (me->get_property ("minimum-length"), 0);
+ r.add_to_cols ();
+ return SCM_UNSPECIFIED;
+}
/*
- Make sure that the left and right bounds encompasses all objects it
- points to.
-
- TODO: maybe be more specific. Most probably fucks up if someone sets
- a pointer to the staff symbol in S
+ Return I such that SP == SP->ORIGINAL ()->BROKEN_INTOS_[I].
*/
-void
-extend_spanner_over_elements (Grob*s)
+int
+broken_spanner_index (Spanner *sp)
{
- Spanner*sp = dynamic_cast<Spanner*> (s);
-
- SCM s1 = sp->get_bound (LEFT) ? sp->get_bound (LEFT)->self_scm () : SCM_EOL;
- SCM s2 = sp->get_bound (RIGHT) ? sp->get_bound (RIGHT)->self_scm () : SCM_EOL;
-
- SCM pair = gh_cons (s1,s2);
- extend_spanner_over_elements (sp->mutable_property_alist_, pair);
-
- Grob *p1 = unsmob_grob (ly_car (pair));
- Grob* p2 = unsmob_grob (ly_cdr (pair));
- sp->set_bound (LEFT,p1);
- sp->set_bound (RIGHT, p2);
+ Spanner *parent = dynamic_cast<Spanner *> (sp->original ());
+ return find (parent->broken_intos_, sp) - parent->broken_intos_.begin ();
}
-
-MAKE_SCHEME_CALLBACK (Spanner,set_spacing_rods,1);
-SCM
-Spanner::set_spacing_rods (SCM smob)
+Spanner *
+unsmob_spanner (SCM s)
{
- Grob*me = unsmob_grob (smob);
-
- Rod r;
- 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.add_to_cols ();
- return SCM_UNSPECIFIED;
+ return dynamic_cast<Spanner *> (unsmob_grob (s));
}
+
+ADD_INTERFACE (Spanner,
+ "spanner-interface",
+ "Some objects are horizontally spanned between objects. 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} objects), 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");
projects / lilypond.git / blobdiff