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 "paper-score.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"
+#include "paper-book.hh"
+#include "paper-line.hh"
-// todo: use map.
-void
-fixup_refpoints (SCM s)
+System::System (SCM s)
+ : Spanner (s)
{
- for (; gh_pair_p (s); s = ly_cdr (s))
- {
- Grob::fixup_refpoint (ly_car (s));
- }
+ rank_ = 0;
}
+int
+System::element_count () const
+{
+ return scm_ilength (get_property ("all-elements"));
+}
-System::System (SCM s)
- : Spanner (s)
+int
+System::spanner_count () const
{
- rank_i_ = 0;
+ int k =0;
+ for (SCM s = get_property ("all-elements");
+ gh_pair_p (s); s = ly_cdr (s))
+ {
+ if (dynamic_cast<Spanner*> (unsmob_grob (gh_car (s))))
+ k++;
+ }
+
+ return k;
}
+
int
-System::element_count () const
+scm_default_compare (const void * a, const void *b)
{
- return scm_ilength (get_grob_property ("all-elements"));
+ SCM pa = *(SCM *)a;
+ SCM pb = *(SCM *)b;
+
+ if (pa < pb)
+ return -1;
+ else if (pa > pb)
+ return 1;
+ else
+ return 0;
}
-void
-System::typeset_grob (Grob * elem_p)
+/*
+ modify L in place: sort it
+*/
+SCM
+uniquify_list (SCM l)
{
- 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 ());
+ 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 *tail = &l;
+
+ for (int i = 0; i < len ; i++)
+ {
+ if (i && arr[i] == arr[i-1])
+ continue;
+
+ SCM_SETCAR (*tail, arr[i]);
+ tail = SCM_CDRLOC(*tail);
+ }
+
+ *tail = SCM_EOL;
+ delete[] arr;
+
+ return l;
}
void
-System::output_lines ()
+System::typeset_grob (Grob * elem)
{
- for (SCM s = get_grob_property ("all-elements");
- gh_pair_p (s); s = ly_cdr (s))
+ 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 ());
+}
+
+// todo: use map.
+static void
+fixup_refpoints (SCM s)
+{
+ for (; gh_pair_p (s); s = ly_cdr (s))
{
- Grob * g = unsmob_grob (ly_car (s));
- if (Spacing_interface::has_interface (g))
- g->suicide ();
- else
+ Grob::fixup_refpoint (ly_car (s));
+ }
+}
+
+SCM
+System::get_lines ()
+{
+ for (SCM s = get_property ("all-elements"); gh_pair_p (s); s = ly_cdr (s))
+ {
+ 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::is_breakable (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];
- SCM all = se->get_grob_property ("all-elements");
+ Grob *se = broken_intos_[i];
+ SCM all = se->get_property ("all-elements");
for (SCM s = all; gh_pair_p (s); s = ly_cdr (s))
- {
- fixup_refpoint (ly_car (s));
- }
+ fixup_refpoint (ly_car (s));
count += scm_ilength (all);
}
/*
needed for doing items.
*/
- fixup_refpoints (get_grob_property ("all-elements"));
+ fixup_refpoints (get_property ("all-elements"));
+ for (SCM s = get_property ("all-elements"); gh_pair_p (s); s = ly_cdr (s))
+ unsmob_grob (ly_car (s))->handle_broken_dependencies ();
+ handle_broken_dependencies ();
+
+#if 0 /* don't do this: strange side effects. */
- for (SCM s = get_grob_property ("all-elements");
- gh_pair_p (s); s = ly_cdr (s))
+ /* Because the this->get_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 < line_count; i++)
{
- unsmob_grob (ly_car (s))->handle_broken_dependencies ();
+ SCM all = broken_intos_[i]->get_property ("all-elements");
+ all = uniquify_list (all);
}
- handle_broken_dependencies ();
-
+#endif
+
if (verbose_global_b)
progress_indication (_f ("Element count %d.", count + element_count ()));
+ int line_count = broken_intos_.size ();
+ SCM lines = scm_c_make_vector (line_count, SCM_UNDEFINED);
- for (int i=0; i < broken_into_l_arr_.size (); i++)
+ for (int i = 0; i < line_count; i++)
{
- System *line_l = dynamic_cast<System*> (broken_into_l_arr_[i]);
-
if (verbose_global_b)
progress_indication ("[");
- line_l->post_processing (i+1 == broken_into_l_arr_.size ());
- if (verbose_global_b)
- {
- progress_indication (to_str (i));
- progress_indication ("]");
- }
-
- if (i < broken_into_l_arr_.size () - 1)
- {
- SCM lastcol = ly_car (line_l->get_grob_property ("columns"));
- Grob* e = unsmob_grob (lastcol);
+ System *system = dynamic_cast<System*> (broken_intos_[i]);
+ system->post_processing ();
+ scm_vector_set_x (lines, scm_int2num (i), system->get_line ());
- SCM between = ly_symbol2scm ("between-system-string");
- SCM inter = e->internal_get_grob_property (between);
- if (gh_string_p (inter))
- {
- pscore_l_->outputter_l_
- ->output_scheme (scm_list_n (between,
- inter, SCM_UNDEFINED));
- }
- }
+ if (verbose_global_b)
+ progress_indication (to_string (i) + "]");
}
+ return lines;
}
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;
do
{
- SCM between = loose->get_grob_property ("between-cols");
+ SCM between = loose->get_property ("between-cols");
if (!gh_pair_p (between))
break;
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 rx = right->extent (common, X_AXIS)[LEFT];
+ 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;
- }
- set_loose_columns (line_l, &breaking[i]);
- broken_into_l_arr_.push (line_l);
- }
-}
-
-
-void
-System::output_molecule (SCM expr, Offset o)
-{
-
- while (1)
- {
- if (!gh_pair_p (expr))
- return;
-
- SCM head =ly_car (expr);
- if (unsmob_input (head))
- {
- 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 ()),
- gh_int2scm (ip->line_number ()),
- gh_int2scm (ip->column_number ()),
- SCM_UNDEFINED));
- expr = ly_cadr (expr);
- }
- else if (head == ly_symbol2scm ("no-origin"))
- {
- pscore_l_->outputter_l_->output_scheme (scm_list_n (head, SCM_UNDEFINED));
- expr = ly_cadr (expr);
- }
- else if (head == ly_symbol2scm ("translate-molecule"))
- {
- o += ly_scm2offset (ly_cadr (expr));
- expr = ly_caddr (expr);
- }
- else if (head == ly_symbol2scm ("combine-molecule"))
- {
- output_molecule (ly_cadr (expr), o);
- expr = ly_caddr (expr);
- }
- else
- {
- pscore_l_->outputter_l_->
- output_scheme (scm_list_n (ly_symbol2scm ("placebox"),
- gh_double2scm (o[X_AXIS]),
- gh_double2scm (o[Y_AXIS]),
- expr,
- SCM_UNDEFINED));
-
- return;
+ dynamic_cast<Paper_column*> (c[j])->system_ = system;
}
+ set_loose_columns (system, &breaking[i]);
+ broken_intos_.push (system);
}
}
-void
-System::output_scheme (SCM s)
-{
- pscore_l_->outputter_l_->output_scheme (s);
-}
-
void
System::add_column (Paper_column*p)
{
Grob *me = this;
- SCM cs = me->get_grob_property ("columns");
+ SCM cs = me->get_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));
+ me->set_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 ()
{
- for (SCM s = get_grob_property ("all-elements"); gh_pair_p (s); s = ly_cdr (s))
+ for (SCM s = get_property ("all-elements"); gh_pair_p (s); s = ly_cdr (s))
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))
+ for (SCM s = get_property ("all-elements"); gh_pair_p (s); s = ly_cdr (s))
unsmob_grob (ly_car (s))->handle_prebroken_dependencies ();
- fixup_refpoints (get_grob_property ("all-elements"));
+ fixup_refpoints (get_property ("all-elements"));
- for (SCM s = get_grob_property ("all-elements"); gh_pair_p (s); s = ly_cdr (s))
+ for (SCM s = get_property ("all-elements"); gh_pair_p (s); s = ly_cdr (s))
{
Grob* sc = unsmob_grob (ly_car (s));
sc->calculate_dependencies (PRECALCED, PRECALCING, ly_symbol2scm ("before-line-breaking-callback"));
}
- progress_indication ("\n" + _ ("Calculating column positions...") + " ");
- for (SCM s = get_grob_property ("all-elements"); gh_pair_p (s); s = ly_cdr (s))
+ progress_indication ("\n" + _ ("Calculating line breaks...") + " ");
+ for (SCM s = get_property ("all-elements"); gh_pair_p (s); s = ly_cdr (s))
{
Grob * e = unsmob_grob (ly_car (s));
- SCM proc = e->get_grob_property ("spacing-procedure");
+ SCM proc = e->get_property ("spacing-procedure");
if (gh_procedure_p (proc))
gh_call1 (proc, e->self_scm ());
}
}
void
-System::post_processing (bool last_line)
+System::post_processing ()
{
- for (SCM s = get_grob_property ("all-elements");
- gh_pair_p (s); s = ly_cdr (s))
+ for (SCM s = get_property ("all-elements"); gh_pair_p (s); s = ly_cdr (s))
{
- Grob* sc = unsmob_grob (ly_car (s));
- sc->calculate_dependencies (POSTCALCED, POSTCALCING,
- ly_symbol2scm ("after-line-breaking-callback"));
+ Grob *g = unsmob_grob (ly_car (s));
+ g->calculate_dependencies (POSTCALCED, POSTCALCING,
+ ly_symbol2scm ("after-line-breaking-callback"));
}
- Interval i (extent (this, Y_AXIS));
- if (i.empty_b ())
- programming_error ("Huh? Empty System?");
+ Interval iv (extent (this, Y_AXIS));
+ if (iv.is_empty ())
+ programming_error ("System with zero extent.");
else
- translate_axis (- i[MAX], Y_AXIS);
+ translate_axis (-iv[MAX], Y_AXIS);
+
+ /* Generate all stencils to trigger font loads.
+ This might seem inefficient, but Stencils are cached per grob
+ anyway. */
+ SCM all = get_property ("all-elements");
+ all = uniquify_list (all);
- Real height = i.length ();
- if (height > 50 CM)
+ this->get_stencil ();
+ for (SCM s = all; gh_pair_p (s); s = ly_cdr (s))
{
- programming_error ("Improbable system height");
- height = 50 CM;
+ Grob *g = unsmob_grob (ly_car (s));
+ g->get_stencil ();
}
+}
- /*
- generate all molecules to trigger all font loads.
+SCM
+System::get_line ()
+{
+ static int const LAYER_COUNT = 3;
- (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))
- {
- unsmob_grob (ly_car (s))->get_molecule ();
- }
- /*
- font defs;
- */
- SCM font_names = ly_quote_scm (paper_l ()->font_descriptions ());
- output_scheme (scm_list_n (ly_symbol2scm ("define-fonts"),
- font_names,
- SCM_UNDEFINED));
+ SCM stencils = SCM_EOL;
+ if (Stencil *me = get_stencil ())
+ stencils = scm_cons (me->smobbed_copy (), stencils);
- /*
- line preamble.
- */
- output_scheme (scm_list_n (ly_symbol2scm ("start-system"),
- 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)
- output_molecule (m->get_expr (), Offset(0,0));
- }
+ /* Output stencils in three layers: 0, 1, 2. The default layer is
+ 1.
+
+ Start with layer 3, since scm_cons prepends to list.
+
+ */
+ SCM all = get_property ("all-elements");
- for (int i = 0; i < 3; i++)
- for (SCM s = get_grob_property ("all-elements"); gh_pair_p (s);
- s = ly_cdr (s))
+ for (int i = LAYER_COUNT; i--;)
+ for (SCM s = all; gh_pair_p (s); s = ly_cdr (s))
{
- Grob *sc = unsmob_grob (ly_car (s));
- Molecule *m = sc->get_molecule ();
- if (!m)
- continue;
-
- SCM s = sc->get_grob_property ("layer");
- int layer = gh_number_p (s) ? gh_scm2int (s) : 1;
- if (layer != i)
+ Grob *g = unsmob_grob (ly_car (s));
+ Stencil *stil = g->get_stencil ();
+
+ /* Skip empty stencils and grobs that are not in this layer. */
+ if (!stil
+ || robust_scm2int (g->get_property ("layer"), 1) != i)
continue;
-
- Offset o (sc->relative_coordinate (this, X_AXIS),
- sc->relative_coordinate (this, Y_AXIS));
-
- 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));
- }
-
- output_molecule (m->get_expr (), o);
+
+ Offset o (g->relative_coordinate (this, X_AXIS),
+ g->relative_coordinate (this, Y_AXIS));
+
+ Offset extra = robust_scm2offset (g->get_property ("extra-offset"),
+ Offset (0, 0))
+ * Staff_symbol_referencer::staff_space (g);
+
+ /*
+ must copy the stencil, for we cannot change the stencil
+ cached in G.
+ */
+ SCM my_stencil = stil->smobbed_copy ();
+ unsmob_stencil (my_stencil)->translate (o + extra);
+ stencils = scm_cons (my_stencil, stencils);
}
-
-
- if (last_line)
+ if (output_format_global != PAGE_LAYOUT)
{
- output_scheme (scm_list_n (ly_symbol2scm ("stop-last-system"), SCM_UNDEFINED));
- }
- else
- {
- output_scheme (scm_list_n (ly_symbol2scm ("stop-system"), SCM_UNDEFINED));
+ SCM lastcol = ly_car (get_property ("columns"));
+ Grob *g = unsmob_grob (lastcol);
+
+ SCM between = ly_symbol2scm ("between-system-string");
+ SCM inter = g->internal_get_property (between);
+ if (gh_string_p (inter))
+ stencils = scm_cons (scm_cons (between, inter), stencils);
}
-}
+ Interval x (extent (this, X_AXIS));
+ Interval y (extent (this, Y_AXIS));
+ Paper_line *pl = new Paper_line (Offset (x.length (), y.length ()),
+ stencils);
+
+ scm_gc_unprotect_object (pl->self_scm ());
+ return pl->self_scm ();
+}
Link_array<Item>
System::broken_col_range (Item const*l, Item const*r) const
{
Link_array<Item> ret;
- l = l->column_l ();
- r = r->column_l ();
- SCM s = get_grob_property ("columns");
+ l = l->get_column ();
+ r = r->get_column ();
+ SCM s = get_property ("columns");
while (gh_pair_p (s) && ly_car (s) != r->self_scm ())
s = ly_cdr (s);
-
+
if (gh_pair_p (s))
s = ly_cdr (s);
-
+
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::is_breakable (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");
bool bfound = false;
for (int i= acs.size (); i -- ;)
{
- bool brb = Item::breakable_b (acs[i]);
+ bool brb = Item::is_breakable (acs[i]);
bfound = bfound || brb;
/*
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.",
- "between-system-string all-elements columns");
+ "This is the toplevel object: each object in a score "
+ "ultimately has a System object as its X and Y parent. ",
+ "between-system-string all-elements columns")
projects / lilypond.git / blobdiff