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 "string.hh"
#include "warn.hh"
#include "dimensions.hh"
-#include "molecule.hh"
+#include "stencil.hh"
#include "all-font-metrics.hh"
#include "spacing-interface.hh"
+#include "staff-symbol-referencer.hh"
// todo: use map.
void
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)
{
+ if (elem->pscore_)
+ programming_error ("Adding element twice.");
+
elem->pscore_ = pscore_;
- Pointer_group_interface::add_grob (this, ly_symbol2scm ("all-elements"),elem);
+ Pointer_group_interface::add_grob (this, ly_symbol2scm ("all-elements"), elem);
scm_gc_unprotect_object (elem->self_scm ());
}
gh_pair_p (s); s = ly_cdr (s))
{
Grob * g = unsmob_grob (ly_car (s));
- if (Spacing_interface::has_interface (g))
+ if (g->internal_has_interface (ly_symbol2scm ("only-prebreak-interface")))
{
/*
Kill no longer needed grobs.
}
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 ()));
if (verbose_global_b)
progress_indication ("[");
- system->post_processing (i+1 == broken_intos_.size ());
+ bool last = i+1 == broken_intos_.size ();
+ system->post_processing (last);
if (verbose_global_b)
{
if (col->system_)
continue;
-
Item * left = 0;
Item * right = 0;
if (!left && l)
{
left = l->get_column ();
+ if (!left->get_system ())
+ left = left->find_prebroken_piece (RIGHT);
}
divide_over ++;
-
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->system_ = 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);
dx *= 0.5;
col->system_ = which;
+ col->translate_axis (- col->relative_coordinate (common, X_AXIS), X_AXIS);
col->translate_axis (lx + dx - cval[LEFT], X_AXIS);
-#endif
}
}
{
System *system = dynamic_cast <System*> (clone ());
system->rank_ = i;
- // system->set_immutable_grob_property ("rank", gh_int2scm (i));
+
Link_array<Grob> c (breaking[i].cols_);
pscore_->typeset_line (system);
}
}
-
void
-System::output_molecule (SCM expr, Offset o)
+System::output_stencil (SCM expr, Offset o)
{
-
while (1)
{
if (!gh_pair_p (expr))
pscore_->outputter_->output_scheme (scm_list_n (head, SCM_UNDEFINED));
expr = ly_cadr (expr);
}
- else if (head == ly_symbol2scm ("translate-molecule"))
+ else if (head == ly_symbol2scm ("translate-stencil"))
{
o += ly_scm2offset (ly_cadr (expr));
expr = ly_caddr (expr);
}
- else if (head == ly_symbol2scm ("combine-molecule"))
+ else if (head == ly_symbol2scm ("combine-stencil"))
{
- output_molecule (ly_cadr (expr), o);
+ output_stencil (ly_cadr (expr), o);
expr = ly_caddr (expr);
}
else
Axis_group_interface::add_element (me, p);
}
-
-
-/*
- TODO: use scm_map iso. for loops.
- */
void
System::pre_processing ()
{
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.
+ generate all stencils to trigger all font loads.
(ugh. This is not very memory efficient.) */
- this->get_molecule();
- for (SCM s = get_grob_property ("all-elements"); gh_pair_p (s); s = ly_cdr (s))
+
+ SCM all = get_grob_property ("all-elements") ;
+ all = uniquify_list (all);
+
+ /*
+ triger font loads first.
+
+ This might seem inefficient, but Stencils are cached per grob
+ anyway.
+ */
+ this->get_stencil();
+ 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_stencil ();
}
+
/*
font defs;
*/
/*
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();
+ Stencil *m = this->get_stencil();
if (m)
- output_molecule (m->get_expr (), Offset(0,0));
+ output_stencil (m->get_expr (), Offset(0,0));
}
for (int i = 0; i < 3; i++)
s = ly_cdr (s))
{
Grob *sc = unsmob_grob (ly_car (s));
- Molecule *m = sc->get_molecule ();
+ Stencil *m = sc->get_stencil ();
if (!m)
continue;
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);
+ output_stencil (m->get_expr (), o);
}
seem empty. We need to retain breakable columns, in case
someone forced a breakpoint.
*/
- if (!bfound || !Paper_column::used_b (acs[i]))
+ if (!bfound || !Paper_column::is_used (acs[i]))
acs.del (i);
}
return acs;
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