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 "input-smob.hh"
#include "axis-group-interface.hh"
-#include "debug.hh"
+#include "warn.hh"
#include "system.hh"
#include "main.hh"
#include "paper-column.hh"
#include "dimensions.hh"
#include "molecule.hh"
#include "all-font-metrics.hh"
+#include "spacing-interface.hh"
+#include "staff-symbol-referencer.hh"
// todo: use map.
void
System::System (SCM s)
: Spanner (s)
{
- rank_i_ = 0;
+ rank_ = 0;
}
int
return scm_ilength (get_grob_property ("all-elements"));
}
+int
+System::spanner_count () const
+{
+ int k =0;
+ for (SCM s = get_grob_property ("all-elements");
+ gh_pair_p (s); s = ly_cdr (s))
+ {
+ if (dynamic_cast<Spanner*> (unsmob_grob (gh_car(s))))
+ k++;
+ }
+
+ return k;
+}
+
+
+int
+scm_default_compare (const void * a, const void *b)
+{
+ SCM pa = *(SCM *)a;
+ SCM pb = *(SCM *)b;
+
+ if (pa < pb) return -1 ;
+ else if (pa > pb) return 1;
+ else return 0;
+}
+
+/*
+ modify L in place: sort it
+*/
+
+SCM
+uniquify_list (SCM l)
+{
+ int len = scm_ilength (l);
+ SCM * arr = new SCM[len];
+ int k = 0;
+ for (SCM s =l ; SCM_NNULLP (s); s = SCM_CDR(s))
+ arr[k++] = SCM_CAR(s);
+
+ assert (k == len);
+ qsort (arr, len, sizeof (SCM), &scm_default_compare);
+
+ k = 0;
+ SCM s =l;
+ for (int i = 0; i < len ; i++)
+ {
+ if (i && arr[i] == arr[i-1])
+ continue;
+
+ SCM_SETCAR(s, arr[i]);
+
+ if (i < len - 1)
+ s = SCM_CDR(s);
+ }
+
+ SCM_SETCDR(s, SCM_EOL);
+ delete arr;
+
+ return l;
+}
+
void
-System::typeset_grob (Grob * elem_p)
+System::typeset_grob (Grob * elem)
{
- elem_p->pscore_l_ = pscore_l_;
- Pointer_group_interface::add_grob (this, ly_symbol2scm ("all-elements"),elem_p);
- scm_gc_unprotect_object (elem_p->self_scm ());
+ if (elem->pscore_)
+ programming_error ("Adding element twice.");
+
+ elem->pscore_ = pscore_;
+ Pointer_group_interface::add_grob (this, ly_symbol2scm ("all-elements"), elem);
+ scm_gc_unprotect_object (elem->self_scm ());
}
void
for (SCM s = get_grob_property ("all-elements");
gh_pair_p (s); s = ly_cdr (s))
{
- unsmob_grob (ly_car (s))->do_break_processing ();
+ Grob * g = unsmob_grob (ly_car (s));
+ if (g->internal_has_interface (ly_symbol2scm ("only-prebreak-interface")))
+ {
+ /*
+ Kill no longer needed grobs.
+ */
+ Item * it = dynamic_cast<Item*> (g);
+ if (it && Item::breakable_b(it))
+ {
+ it->find_prebroken_piece (LEFT)->suicide();
+ it->find_prebroken_piece (RIGHT)->suicide();
+ }
+ g->suicide ();
+ }
+ else if (g->live ())
+ g->do_break_processing ();
}
/*
fixups must be done in broken line_of_scores, because new elements
are put over there. */
int count = 0;
- for (int i=0; i < broken_into_l_arr_.size (); i++)
+ for (int i=0; i < broken_intos_.size (); i++)
{
- Grob *se = broken_into_l_arr_[i];
+ Grob *se = broken_intos_[i];
SCM all = se->get_grob_property ("all-elements");
for (SCM s = all; gh_pair_p (s); s = ly_cdr (s))
{
}
handle_broken_dependencies ();
+ /*
+ Because the this->get_grob_property (all-elements) contains items
+ in 3 versions, handle_broken_dependencies () will leave duplicated
+ items in all-elements. Strictly speaking this is harmless, but it
+ leads to duplicated symbols in the output. uniquify_list() makes
+ sure that no duplicates are in the list.
+ */
+ for (int i=0; i < broken_intos_.size (); i++)
+ {
+ /*
+ don't do this: strange side effects.
+ */
+ // SCM al = broken_intos_[i]->get_grob_property ("all-elements");
+ // al = uniquify_list (al);
+ }
+
if (verbose_global_b)
progress_indication (_f ("Element count %d.", count + element_count ()));
- for (int i=0; i < broken_into_l_arr_.size (); i++)
+ for (int i=0; i < broken_intos_.size (); i++)
{
- System *line_l = dynamic_cast<System*> (broken_into_l_arr_[i]);
+ System *system = dynamic_cast<System*> (broken_intos_[i]);
if (verbose_global_b)
progress_indication ("[");
- line_l->post_processing (i+1 == broken_into_l_arr_.size ());
+ bool last = i+1 == broken_intos_.size ();
+ system->post_processing (last);
if (verbose_global_b)
{
- progress_indication (to_str (i));
+ progress_indication (to_string (i));
progress_indication ("]");
}
- if (i < broken_into_l_arr_.size () - 1)
+ if (i < broken_intos_.size () - 1)
{
- SCM lastcol = ly_car (line_l->get_grob_property ("columns"));
+ SCM lastcol = ly_car (system->get_grob_property ("columns"));
Grob* e = unsmob_grob (lastcol);
SCM between = ly_symbol2scm ("between-system-string");
SCM inter = e->internal_get_grob_property (between);
if (gh_string_p (inter))
{
- pscore_l_->outputter_l_
+ pscore_->outputter_
->output_scheme (scm_list_n (between,
inter, SCM_UNDEFINED));
}
Item *loose = dynamic_cast<Item*> (posns->loose_cols_[i]);
Paper_column* col = dynamic_cast<Paper_column*> (loose);
- if (col->line_l_)
+ if (col->system_)
continue;
-
Item * left = 0;
Item * right = 0;
if (!left && l)
{
- left = l->column_l ();
+ left = l->get_column ();
+ if (!left->get_system ())
+ left = left->find_prebroken_piece (RIGHT);
}
divide_over ++;
-
- loose = right = r->column_l ();
+ loose = right = r->get_column ();
}
while (1);
-
-
-#if 0
- Real rx = right->relative_coordinate (right->get_parent (X_AXIS), X_AXIS);
- Real lx = left->relative_coordinate (left->get_parent (X_AXIS), X_AXIS);
-
- /*
- divide space equally over loose columns.
- */
- int j = 1;
- loose = col;
- while (1)
- {
- SCM between = loose->get_grob_property ("between-cols");
- if (!gh_pair_p (between))
- break;
-
- Paper_column *thiscol = dynamic_cast<Paper_column*> (loose);
- thiscol->line_l_ = which;
- thiscol->translate_axis (lx + j*(rx - lx)/divide_over, X_AXIS);
-
- j ++;
- loose = dynamic_cast<Item*> (unsmob_grob (ly_cdr (between)));
- }
-#else
+ if (!right->get_system ())
+ right = right->find_prebroken_piece (LEFT);
+
/*
We divide the remaining space of the column over the left and
right side. At the moment, we
Grob * common = right->common_refpoint (left, X_AXIS);
Real rx = right->extent(common, X_AXIS)[LEFT];
- Real lx = left->extent(common, X_AXIS)[RIGHT];
+ Real lx = left->extent(common, X_AXIS)[RIGHT];
Real total_dx = rx - lx;
Interval cval =col->extent (col, X_AXIS);
else
dx *= 0.5;
- col->line_l_ = which;
+ col->system_ = which;
+ col->translate_axis (- col->relative_coordinate (common, X_AXIS), X_AXIS);
col->translate_axis (lx + dx - cval[LEFT], X_AXIS);
-#endif
}
}
{
for (int i=0; i < breaking.size (); i++)
{
- System *line_l = dynamic_cast <System*> (clone ());
- line_l->rank_i_ = i;
- // line_l->set_immutable_grob_property ("rank", gh_int2scm (i));
+ System *system = dynamic_cast <System*> (clone ());
+ system->rank_ = i;
+
Link_array<Grob> c (breaking[i].cols_);
- pscore_l_->typeset_line (line_l);
+ pscore_->typeset_line (system);
- line_l->set_bound (LEFT,c[0]);
- line_l->set_bound (RIGHT,c.top ());
+ system->set_bound (LEFT,c[0]);
+ system->set_bound (RIGHT,c.top ());
for (int j=0; j < c.size (); j++)
{
c[j]->translate_axis (breaking[i].config_[j],X_AXIS);
- dynamic_cast<Paper_column*> (c[j])->line_l_ = line_l;
+ dynamic_cast<Paper_column*> (c[j])->system_ = system;
}
- set_loose_columns (line_l, &breaking[i]);
- broken_into_l_arr_.push (line_l);
+ set_loose_columns (system, &breaking[i]);
+ broken_intos_.push (system);
}
}
-
void
System::output_molecule (SCM expr, Offset o)
{
-
while (1)
{
if (!gh_pair_p (expr))
{
Input * ip = unsmob_input (head);
-
- pscore_l_->outputter_l_->output_scheme (scm_list_n (ly_symbol2scm ("define-origin"),
- ly_str02scm (ip->file_str ().ch_C ()),
+ pscore_->outputter_->output_scheme (scm_list_n (ly_symbol2scm ("define-origin"),
+ scm_makfrom0str (ip->file_string ().to_str0 ()),
gh_int2scm (ip->line_number ()),
gh_int2scm (ip->column_number ()),
SCM_UNDEFINED));
}
else if (head == ly_symbol2scm ("no-origin"))
{
- pscore_l_->outputter_l_->output_scheme (scm_list_n (head, SCM_UNDEFINED));
+ pscore_->outputter_->output_scheme (scm_list_n (head, SCM_UNDEFINED));
expr = ly_cadr (expr);
}
else if (head == ly_symbol2scm ("translate-molecule"))
}
else
{
- pscore_l_->outputter_l_->
+ pscore_->outputter_->
output_scheme (scm_list_n (ly_symbol2scm ("placebox"),
gh_double2scm (o[X_AXIS]),
gh_double2scm (o[Y_AXIS]),
void
System::output_scheme (SCM s)
{
- pscore_l_->outputter_l_->output_scheme (s);
+ pscore_->outputter_->output_scheme (s);
}
void
SCM cs = me->get_grob_property ("columns");
Grob * prev = gh_pair_p (cs) ? unsmob_grob (ly_car (cs)) : 0;
- p->rank_i_ = prev ? Paper_column::rank_i (prev) + 1 : 0;
+ p->rank_ = prev ? Paper_column::get_rank (prev) + 1 : 0;
me->set_grob_property ("columns", gh_cons (p->self_scm (), cs));
Axis_group_interface::add_element (me, p);
}
-
-
-/*
- TODO: use scm_map iso. for loops.
- */
void
System::pre_processing ()
{
unsmob_grob (ly_car (s))->discretionary_processing ();
if (verbose_global_b)
- progress_indication (_f ("Element count %d ", element_count ()));
+ progress_indication (_f ("Grob count %d ", element_count ()));
for (SCM s = get_grob_property ("all-elements"); gh_pair_p (s); s = ly_cdr (s))
sc->calculate_dependencies (PRECALCED, PRECALCING, ly_symbol2scm ("before-line-breaking-callback"));
}
- progress_indication ("\n" + _ ("Calculating column positions...") + " ");
+ progress_indication ("\n" + _ ("Calculating line breaks...") + " ");
for (SCM s = get_grob_property ("all-elements"); gh_pair_p (s); s = ly_cdr (s))
{
Grob * e = unsmob_grob (ly_car (s));
}
}
+
+ const int LAYER_COUNT= 3;
+
+
+
void
System::post_processing (bool last_line)
{
}
Interval i (extent (this, Y_AXIS));
- if (i.empty_b ())
+ if (i.is_empty ())
programming_error ("Huh? Empty System?");
else
translate_axis (- i[MAX], Y_AXIS);
generate all molecules to trigger all font loads.
(ugh. This is not very memory efficient.) */
+
+ SCM all = get_grob_property ("all-elements") ;
+ all = uniquify_list (all);
+
+ /*
+ triger font loads first.
+
+ This might seem inefficient, but Molecules are cached per grob
+ anyway.
+ */
this->get_molecule();
- for (SCM s = get_grob_property ("all-elements"); gh_pair_p (s); s = ly_cdr (s))
+ for (SCM s = all; gh_pair_p (s); s = ly_cdr (s))
{
- unsmob_grob (ly_car (s))->get_molecule ();
+ Grob * g = unsmob_grob (ly_car (s));
+ g->get_molecule ();
}
+
/*
font defs;
*/
- SCM font_names = ly_quote_scm (paper_l ()->font_descriptions ());
+ SCM font_names = ly_quote_scm (get_paper ()->font_descriptions ());
output_scheme (scm_list_n (ly_symbol2scm ("define-fonts"),
font_names,
SCM_UNDEFINED));
/*
line preamble.
*/
+ Interval j (extent (this, X_AXIS));
+ Real length = j[RIGHT];
+
output_scheme (scm_list_n (ly_symbol2scm ("start-system"),
+ gh_double2scm (length),
gh_double2scm (height),
SCM_UNDEFINED));
/* Output elements in three layers, 0, 1, 2.
The default layer is 1. */
-
{
Molecule *m = this->get_molecule();
if (m)
SCM e = sc->get_grob_property ("extra-offset");
if (gh_pair_p (e))
{
- o[X_AXIS] += gh_scm2double (ly_car (e));
- o[Y_AXIS] += gh_scm2double (ly_cdr (e));
+ Offset z = ly_scm2offset (e);
+ z *= Staff_symbol_referencer::staff_space (sc);
+
+ o += z;
}
output_molecule (m->get_expr (), o);
{
Link_array<Item> ret;
- l = l->column_l ();
- r = r->column_l ();
+ l = l->get_column ();
+ r = r->get_column ();
SCM s = get_grob_property ("columns");
while (gh_pair_p (s) && ly_car (s) != r->self_scm ())
while (gh_pair_p (s) && ly_car (s) != l->self_scm ())
{
Paper_column*c = dynamic_cast<Paper_column*> (unsmob_grob (ly_car (s)));
- if (Item::breakable_b (c) && !c->line_l_)
+ if (Item::breakable_b (c) && !c->system_)
ret.push (c);
s = ly_cdr (s);
disrupt the spacing problem.
*/
Link_array<Grob>
-System::column_l_arr ()const
+System::columns ()const
{
Link_array<Grob> acs
= Pointer_group_interface__extract_grobs (this, (Grob*) 0, "columns");
ADD_INTERFACE (System,"system-interface",
- "Super grob, parent of all:
-
-The columns of a score that form one line. The toplevel grob. Any
-grob has a Line_of_score as both X and Y reference point. The
-Paper_score contains one grob of this type. Control enters the
-Grob dependency calculation from this single Line_of_score
-object.",
+ "Super grob, parent of all: "
+"\n\n"
+"The columns of a score that form one line. The toplevel grob. Any "
+"grob has a Line_of_score as both X and Y reference point. The "
+"Paper_score contains one grob of this type. Control enters the "
+"Grob dependency calculation from this single Line_of_score "
+"object.",
"between-system-string all-elements columns");
projects / lilypond.git / blobdiff