source file of the GNU LilyPond music typesetter
- (c) 1996--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1996--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
+#include "system.hh"
+
#include <math.h>
+#include "align-interface.hh"
#include "axis-group-interface.hh"
#include "warn.hh"
-#include "system.hh"
#include "main.hh"
#include "paper-column.hh"
-#include "paper-def.hh"
-#include "paper-outputter.hh"
+#include "output-def.hh"
#include "paper-score.hh"
-#include "string.hh"
#include "warn.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"
+#include "paper-system.hh"
+#include "tweak-registration.hh"
+
-System::System (SCM s)
- : Spanner (s)
+System::System (System const &src, int count)
+ : Spanner (src, count)
{
rank_ = 0;
}
+System::System (SCM s, Object_key const*key)
+ : Spanner (s, key)
+{
+ rank_ = 0;
+}
+
+
+Grob *
+System::clone (int count) const
+{
+ return new System (*this, count);
+}
+
+
int
System::element_count () const
{
System::spanner_count () const
{
int k = 0;
- for (SCM s = get_property ("all-elements"); is_pair (s); s = ly_cdr (s))
- if (dynamic_cast<Spanner*> (unsmob_grob (ly_car (s))))
+ for (SCM s = get_property ("all-elements"); scm_is_pair (s); s = scm_cdr (s))
+ if (dynamic_cast<Spanner*> (unsmob_grob (scm_car (s))))
k++;
return k;
}
{
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 ());
+ else
+ {
+ 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 (; is_pair (s); s = ly_cdr (s))
+ for (; scm_is_pair (s); s = scm_cdr (s))
{
- Grob::fixup_refpoint (ly_car (s));
+ Grob::fixup_refpoint (scm_car (s));
}
}
SCM
System::get_lines ()
{
- for (SCM s = get_property ("all-elements"); is_pair (s); s = ly_cdr (s))
+ for (SCM s = get_property ("all-elements"); scm_is_pair (s); s = scm_cdr (s))
{
- Grob *g = unsmob_grob (ly_car (s));
+ Grob *g = unsmob_grob (scm_car (s));
if (g->internal_has_interface (ly_symbol2scm ("only-prebreak-interface")))
{
/*
}
g->suicide ();
}
- else if (g->live ())
+ else if (g->is_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_intos_.size (); i++)
+ for (int i = 0; i < broken_intos_.size (); i++)
{
Grob *se = broken_intos_[i];
SCM all = se->get_property ("all-elements");
- for (SCM s = all; is_pair (s); s = ly_cdr (s))
- fixup_refpoint (ly_car (s));
+ for (SCM s = all; scm_is_pair (s); s = scm_cdr (s))
+ fixup_refpoint (scm_car (s));
count += scm_ilength (all);
}
*/
fixup_refpoints (get_property ("all-elements"));
- for (SCM s = get_property ("all-elements"); is_pair (s); s = ly_cdr (s))
- unsmob_grob (ly_car (s))->handle_broken_dependencies ();
+ for (SCM s = get_property ("all-elements"); scm_is_pair (s); s = scm_cdr (s))
+ unsmob_grob (scm_car (s))->handle_broken_dependencies ();
handle_broken_dependencies ();
#if 0 /* don't do this: strange side effects. */
}
#endif
- if (verbose_global_b)
+ if (be_verbose_global)
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);
+ SCM lines = scm_c_make_vector (line_count, SCM_EOL);
- for (int i = 0; i < line_count; i++)
+ for (int i = 0; i < line_count; i++)
{
- if (verbose_global_b)
+ if (be_verbose_global)
progress_indication ("[");
System *system = dynamic_cast<System*> (broken_intos_[i]);
system->post_processing ();
scm_vector_set_x (lines, scm_int2num (i), system->get_line ());
- if (verbose_global_b)
+ if (be_verbose_global)
progress_indication (to_string (i) + "]");
}
- return lines;
+ return lines;
}
-
-
-
/* Find the loose columns in POSNS, and drape them around the columns
specified in BETWEEN-COLS. */
static void
while (1)
{
SCM between = loose->get_property ("between-cols");
- if (!is_pair (between))
+ if (!scm_is_pair (between))
break;
- Item *le = dynamic_cast<Item*> (unsmob_grob (ly_car (between)));
- Item *re = dynamic_cast<Item*> (unsmob_grob (ly_cdr (between)));
+ Item *le = dynamic_cast<Item*> (unsmob_grob (scm_car (between)));
+ Item *re = dynamic_cast<Item*> (unsmob_grob (scm_cdr (between)));
if (!(le && re))
break;
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);
+ Interval cval = col->extent (col, X_AXIS);
/* Put it in the middle. This is not an ideal solution -- the
break alignment code inserts a fixed space before the clef
void
System::break_into_pieces (Array<Column_x_positions> const &breaking)
{
- for (int i=0; i < breaking.size (); i++)
+ for (int i = 0; i < breaking.size (); i++)
{
- System *system = dynamic_cast <System*> (clone ());
+ System *system = dynamic_cast <System*> (clone (i));
system->rank_ = i;
Link_array<Grob> c (breaking[i].cols_);
pscore_->typeset_line (system);
- system->set_bound (LEFT,c[0]);
- system->set_bound (RIGHT,c.top ());
- for (int j=0; j < c.size (); j++)
+ 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);
+ c[j]->translate_axis (breaking[i].config_[j], X_AXIS);
dynamic_cast<Paper_column*> (c[j])->system_ = system;
}
set_loose_columns (system, &breaking[i]);
{
Grob *me = this;
SCM cs = me->get_property ("columns");
- Grob * prev = is_pair (cs) ? unsmob_grob (ly_car (cs)) : 0;
+ Grob *prev = scm_is_pair (cs) ? unsmob_grob (scm_car (cs)) : 0;
p->rank_ = prev ? Paper_column::get_rank (prev) + 1 : 0;
- me->set_property ("columns", scm_cons (p->self_scm (), cs));
+ me->set_property ("columns", scm_cons (p->self_scm (), cs));
Axis_group_interface::add_element (me, p);
}
void
-System::pre_processing ()
+apply_tweaks (Grob *g, bool broken)
{
- for (SCM s = get_property ("all-elements"); is_pair (s); s = ly_cdr (s))
- unsmob_grob (ly_car (s))->discretionary_processing ();
+ if (bool (g->original_) == broken)
+ {
+ SCM tweaks = global_registry_->get_tweaks (g);
+ for (SCM s = tweaks; scm_is_pair (s); s = scm_cdr (s))
+ {
+ SCM proc = scm_caar (s);
+ SCM rest = scm_cdar (s);
+ scm_apply_1 (proc, g->self_scm(), rest);
+ }
+ }
+}
- if (verbose_global_b)
- progress_indication (_f ("Grob count %d", element_count ()));
+void
+System::pre_processing ()
+{
+ for (SCM s = get_property ("all-elements"); scm_is_pair (s); s = scm_cdr (s))
+ unsmob_grob (scm_car (s))->discretionary_processing ();
+ if (be_verbose_global)
+ progress_indication (_f ("Grob count %d", element_count ()));
- for (SCM s = get_property ("all-elements"); is_pair (s); s = ly_cdr (s))
- unsmob_grob (ly_car (s))->handle_prebroken_dependencies ();
+ for (SCM s = get_property ("all-elements"); scm_is_pair (s); s = scm_cdr (s))
+ unsmob_grob (scm_car (s))->handle_prebroken_dependencies ();
fixup_refpoints (get_property ("all-elements"));
+
- for (SCM s = get_property ("all-elements"); is_pair (s); s = ly_cdr (s))
+ for (SCM s = get_property ("all-elements"); scm_is_pair (s); s = scm_cdr (s))
+ apply_tweaks (unsmob_grob (scm_car (s)), false);
+
+ for (SCM s = get_property ("all-elements"); scm_is_pair (s); s = scm_cdr (s))
{
- Grob* sc = unsmob_grob (ly_car (s));
+ Grob *sc = unsmob_grob (scm_car (s));
sc->calculate_dependencies (PRECALCED, PRECALCING, ly_symbol2scm ("before-line-breaking-callback"));
}
- progress_indication ("\n" + _ ("Calculating line breaks...") + " ");
- for (SCM s = get_property ("all-elements"); is_pair (s); s = ly_cdr (s))
+ progress_indication ("\n");
+ progress_indication (_ ("Calculating line breaks..."));
+ progress_indication (" ");
+ for (SCM s = get_property ("all-elements"); scm_is_pair (s); s = scm_cdr (s))
{
- Grob * e = unsmob_grob (ly_car (s));
+ Grob *e = unsmob_grob (scm_car (s));
SCM proc = e->get_property ("spacing-procedure");
- if (is_procedure (proc))
+ if (ly_c_procedure_p (proc))
scm_call_1 (proc, e->self_scm ());
}
}
void
System::post_processing ()
{
- for (SCM s = get_property ("all-elements"); is_pair (s); s = ly_cdr (s))
+ for (SCM s = get_property ("all-elements"); scm_is_pair (s); s = scm_cdr (s))
{
- Grob *g = unsmob_grob (ly_car (s));
+ Grob *g = unsmob_grob (scm_car (s));
+
+ apply_tweaks (g, true);
+
g->calculate_dependencies (POSTCALCED, POSTCALCING,
ly_symbol2scm ("after-line-breaking-callback"));
}
programming_error ("System with zero extent.");
else
translate_axis (-iv[MAX], Y_AXIS);
-
+
/* Generate all stencils to trigger font loads.
This might seem inefficient, but Stencils are cached per grob
anyway. */
all = ly_list_qsort_uniq_x (all);
this->get_stencil ();
- for (SCM s = all; is_pair (s); s = ly_cdr (s))
+ for (SCM s = all; scm_is_pair (s); s = scm_cdr (s))
{
- Grob *g = unsmob_grob (ly_car (s));
+ Grob *g = unsmob_grob (scm_car (s));
g->get_stencil ();
}
}
{
static int const LAYER_COUNT = 3;
- SCM stencils = SCM_EOL;
- if (Stencil *me = get_stencil ())
- stencils = scm_cons (me->smobbed_copy (), stencils);
-
- /* Output stencils in three layers: 0, 1, 2. Default layer: 1.
+ SCM exprs = SCM_EOL;
+ SCM *tail = &exprs;
- Start with layer 3, since scm_cons prepends to list. */
+ /* Output stencils in three layers: 0, 1, 2. Default layer: 1. */
SCM all = get_property ("all-elements");
-
- Real penalty = 0;
- for (int i = LAYER_COUNT; i--;)
- for (SCM s = all; is_pair (s); s = ly_cdr (s))
+
+ for (int i = 0; i < LAYER_COUNT; i++)
+ for (SCM s = all; scm_is_pair (s); s = scm_cdr (s))
{
- Grob *g = unsmob_grob (ly_car (s));
+ Grob *g = unsmob_grob (scm_car (s));
Stencil *stil = g->get_stencil ();
/* Skip empty stencils and grobs that are not in this layer. */
/* 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);
-
- // FIXME: never original
- if (1 || g->original_)
- {
- SCM s = g->get_property ("page-penalty");
- // FIXME: 'page-penalty is never set
- // FIXME; page breaking is not discrete at +-10000
- if (is_number (s)) // && fabs (ly_scm2double (s)) < 10000)
- penalty += ly_scm2double (s);
- }
+
+ Stencil st = *stil;
+ st.translate (o + extra);
+
+ *tail = scm_cons (st.expr (), SCM_EOL);
+ tail = SCM_CDRLOC(*tail);
}
+ if (Stencil *me = get_stencil ())
+ exprs = scm_cons (me->expr (), exprs);
+
Interval x (extent (this, X_AXIS));
Interval y (extent (this, Y_AXIS));
- Paper_line *pl = new Paper_line (Offset (x.length (), y.length ()),
- stencils, penalty);
-
- scm_gc_unprotect_object (pl->self_scm ());
- return pl->self_scm ();
+ Stencil sys_stencil (Box (x, y),
+ scm_cons (ly_symbol2scm ("combine-stencil"),
+ exprs));
+
+ Interval staff_refpoints;
+ staff_refpoints.set_empty();
+ for (SCM s = get_property ("spaceable-staves");
+ scm_is_pair (s); s = scm_cdr (s))
+ {
+ Grob *g = unsmob_grob (scm_car (s));
+ staff_refpoints.add_point (g->relative_coordinate (this, Y_AXIS));
+ }
+
+
+ Paper_system *pl = new Paper_system (sys_stencil, false);
+ pl->staff_refpoints_ = staff_refpoints;
+ Item * break_point = this->get_bound(LEFT);
+ pl->break_before_penalty_ =
+ robust_scm2double (break_point->get_property ("page-penalty"), 0.0);
+
+ return scm_gc_unprotect_object (pl->self_scm ());
}
Link_array<Item>
-System::broken_col_range (Item const*l, Item const*r) const
+System::broken_col_range (Item const *left, Item const *right) const
{
Link_array<Item> ret;
- l = l->get_column ();
- r = r->get_column ();
+ left = left->get_column ();
+ right = right->get_column ();
SCM s = get_property ("columns");
- while (is_pair (s) && ly_car (s) != r->self_scm ())
- s = ly_cdr (s);
+ while (scm_is_pair (s) && scm_car (s) != right->self_scm ())
+ s = scm_cdr (s);
- if (is_pair (s))
- s = ly_cdr (s);
+ if (scm_is_pair (s))
+ s = scm_cdr (s);
- while (is_pair (s) && ly_car (s) != l->self_scm ())
+ while (scm_is_pair (s) && scm_car (s) != left->self_scm ())
{
- Paper_column*c = dynamic_cast<Paper_column*> (unsmob_grob (ly_car (s)));
+ Paper_column*c = dynamic_cast<Paper_column*> (unsmob_grob (scm_car (s)));
if (Item::is_breakable (c) && !c->system_)
ret.push (c);
- s = ly_cdr (s);
+ s = scm_cdr (s);
}
ret.reverse ();
return ret;
}
-/**
- Return all columns, but filter out any unused columns , since they might
- disrupt the spacing problem.
- */
+/** Return all columns, but filter out any unused columns , since they might
+ disrupt the spacing problem. */
Link_array<Grob>
-System::columns ()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 found = false;
+ for (int i = acs.size (); i--;)
{
bool brb = Item::is_breakable (acs[i]);
- bfound = bfound || brb;
+ found = found || brb;
/*
the last column should be breakable. Weed out any columns that
seem empty. We need to retain breakable columns, in case
someone forced a breakpoint.
*/
- if (!bfound || !Paper_column::is_used (acs[i]))
+ if (!found || !Paper_column::is_used (acs[i]))
acs.del (i);
}
return acs;
}
-ADD_INTERFACE (System,"system-interface",
+ADD_INTERFACE (System, "system-interface",
"This is the toplevel object: each object in a score "
"ultimately has a System object as its X and Y parent. ",
- "all-elements columns")
+ "all-elements spaceable-staves columns")
projects / lilypond.git / blobdiff