source file of the GNU LilyPond music typesetter
- (c) 1996--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1996--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "system.hh"
-
#include "align-interface.hh"
+#include "all-font-metrics.hh"
#include "axis-group-interface.hh"
-#include "warn.hh"
+#include "grob-array.hh"
+#include "international.hh"
#include "main.hh"
-#include "paper-column.hh"
#include "output-def.hh"
+#include "paper-column.hh"
#include "paper-score.hh"
-#include "warn.hh"
-#include "all-font-metrics.hh"
+#include "paper-system.hh"
+#include "pointer-group-interface.hh"
#include "spacing-interface.hh"
#include "staff-symbol-referencer.hh"
-#include "paper-book.hh"
-#include "paper-system.hh"
#include "tweak-registration.hh"
-#include "grob-array.hh"
-#include "pointer-group-interface.hh"
+#include "warn.hh"
+
+extern bool debug_skylines;
System::System (System const &src, int count)
: Spanner (src, count)
{
all_elements_ = 0;
+ pscore_ = 0;
rank_ = 0;
init_elements ();
}
{
SCM scm_arr = Grob_array::make_array ();
all_elements_ = unsmob_grob_array (scm_arr);
+ all_elements_->set_ordered (false);
set_object ("all-elements", scm_arr);
}
Grob *
-System::clone (int count) const
+System::clone (int index) const
{
- return new System (*this, count);
+ return new System (*this, index);
}
int
System::spanner_count () const
{
int k = 0;
- for (int i = all_elements_->size (); i--;)
+ for (vsize i = all_elements_->size (); i--;)
if (dynamic_cast<Spanner *> (all_elements_->grob (i)))
k++;
return k;
void
System::typeset_grob (Grob *elem)
{
- if (elem->pscore_)
+ if (elem->layout_)
programming_error ("adding element twice");
else
{
- elem->pscore_ = pscore_;
+ elem->layout_ = pscore_->layout ();
all_elements_->add (elem);
elem->unprotect ();
}
void
System::derived_mark () const
{
- if (!all_elements_->is_empty ())
+ if (!all_elements_->empty ())
{
- Grob **ptr = &all_elements_->array_reference ().elem_ref (0);
+ Grob **ptr = &all_elements_->array_reference ()[0];
Grob **end = ptr + all_elements_->size ();
while (ptr < end)
{
}
static void
-fixup_refpoints (Link_array<Grob> const &grobs)
+fixup_refpoints (vector<Grob*> const &grobs)
{
- for (int i = grobs.size (); i--;)
+ for (vsize i = grobs.size (); i--;)
grobs[i]->fixup_refpoint ();
}
SCM
System::get_paper_systems ()
{
- for (int i = 0; i < all_elements_->size (); i++)
+ for (vsize i = 0; i < all_elements_->size (); i++)
{
Grob *g = all_elements_->grob (i);
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))
+ if (it && Item::is_non_musical (it))
{
it->find_prebroken_piece (LEFT)->suicide ();
it->find_prebroken_piece (RIGHT)->suicide ();
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 (vsize i = 0; i < broken_intos_.size (); i++)
{
Grob *se = broken_intos_[i];
extract_grob_set (se, "all-elements", all_elts);
- for (int j = 0; j < all_elts.size (); j++)
+ for (vsize j = 0; j < all_elts.size (); j++)
{
Grob *g = all_elts[j];
g->fixup_refpoint ();
*/
fixup_refpoints (all_elements_->array ());
- for (int i = 0; i < all_elements_->size (); i++)
+ for (vsize i = 0; i < all_elements_->size (); i++)
all_elements_->grob (i)->handle_broken_dependencies ();
handle_broken_dependencies ();
-#if 0 /* FIXME: strange side effects. */
-
/* 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. ly_list_qsort_uniq_x ()
- makes sure that no duplicates are in the list. */
- for (int i = 0; i < line_count; i++)
+ it leads to duplicated symbols in the output. uniq makes sure
+ that no duplicates are in the list. */
+ for (vsize i = 0; i < broken_intos_.size (); i++)
{
- SCM all = broken_intos_[i]->get_object ("all-elements");
- all = ly_list_qsort_uniq_x (all);
+ System *child = dynamic_cast<System*> (broken_intos_[i]);
+ child->all_elements_->remove_duplicates ();
}
-#endif
if (be_verbose_global)
message (_f ("Element count %d.", count + element_count ()));
- int line_count = broken_intos_.size ();
- SCM lines = scm_c_make_vector (line_count, SCM_EOL);
-
- for (int i = 0; i < line_count; i++)
+ SCM lines = scm_c_make_vector (broken_intos_.size (), SCM_EOL);
+ for (vsize i = 0; i < broken_intos_.size (); i++)
{
if (be_verbose_global)
progress_indication ("[");
System *system = dynamic_cast<System *> (broken_intos_[i]);
+
system->post_processing ();
- scm_vector_set_x (lines, scm_from_int (i), system->get_paper_system ());
+ system->build_skylines ();
+ if (i > 0)
+ {
+ System *prev = dynamic_cast<System*> (broken_intos_[i-1]);
+ Real r = prev->skylines_[DOWN].distance (system->skylines_[UP]);
+ system->set_property ("skyline-distance", scm_from_double (r));
+ }
+ scm_vector_set_x (lines, scm_from_int (i),
+ system->get_paper_system ());
if (be_verbose_global)
progress_indication (to_string (i) + "]");
}
void
-System::break_into_pieces (Array<Column_x_positions> const &breaking)
+System::break_into_pieces (vector<Column_x_positions> const &breaking)
{
- for (int i = 0; i < breaking.size (); i++)
+ for (vsize i = 0; i < breaking.size (); i++)
{
- System *system = dynamic_cast<System *> (clone (i));
- system->rank_ = i;
+ System *system = dynamic_cast<System *> (clone (broken_intos_.size ()));
+ system->rank_ = broken_intos_.size ();
- Link_array<Grob> c (breaking[i].cols_);
+ vector<Grob*> c (breaking[i].cols_);
pscore_->typeset_system (system);
+ int st = Paper_column::get_rank (c[0]);
+ int end = Paper_column::get_rank (c.back ());
+ Interval iv (pure_height (this, st, end));
+ system->set_property ("pure-Y-extent", ly_interval2scm (iv));
+
system->set_bound (LEFT, c[0]);
- system->set_bound (RIGHT, c.top ());
- for (int j = 0; j < c.size (); j++)
+ system->set_bound (RIGHT, c.back ());
+ for (vsize j = 0; j < c.size (); j++)
{
c[j]->translate_axis (breaking[i].config_[j], X_AXIS);
dynamic_cast<Paper_column *> (c[j])->system_ = system;
}
+
set_loose_columns (system, &breaking[i]);
- broken_intos_.push (system);
+ broken_intos_.push_back (system);
}
}
p->rank_
= ga->size ()
- ? Paper_column::get_rank (ga->array ().top ()) + 1
+ ? Paper_column::get_rank (ga->array ().back ()) + 1
: 0;
ga->add (p);
void
apply_tweaks (Grob *g, bool broken)
{
- if (bool (g->original_) == broken)
+ if (bool (g->original ()) == broken)
{
SCM tweaks = global_registry_->get_tweaks (g);
for (SCM s = tweaks; scm_is_pair (s); s = scm_cdr (s))
void
System::pre_processing ()
{
- for (int i = 0; i < all_elements_->size (); i++)
+ for (vsize i = 0; i < all_elements_->size (); i++)
all_elements_->grob (i)->discretionary_processing ();
if (be_verbose_global)
array, and should be processed before the original is potentially
killed.
*/
- for (int i = all_elements_->size (); i--;)
+ for (vsize i = all_elements_->size (); i--;)
all_elements_->grob (i)->handle_prebroken_dependencies ();
fixup_refpoints (all_elements_->array ());
- for (int i = 0; i < all_elements_->size (); i++)
+ for (vsize i = 0; i < all_elements_->size (); i++)
apply_tweaks (all_elements_->grob (i), false);
- for (int i = 0; i < all_elements_->size (); i++)
+ for (vsize i = 0; i < all_elements_->size (); i++)
{
Grob *g = all_elements_->grob (i);
(void) g->get_property ("before-line-breaking");
}
- message (_ ("Calculating line breaks..."));
- progress_indication (" ");
-
- for (int i = 0; i < all_elements_->size (); i++)
+ for (vsize i = 0; i < all_elements_->size (); i++)
{
Grob *e = all_elements_->grob (i);
- SCM proc = e->get_property ("spacing-procedure");
- if (ly_is_procedure (proc))
- scm_call_1 (proc, e->self_scm ());
+ (void) e->get_property ("springs-and-rods");
}
}
void
System::post_processing ()
{
- for (int i = 0; i < all_elements_->size (); i++)
+ for (vsize i = 0; i < all_elements_->size (); i++)
{
Grob *g = all_elements_->grob (i);
This might seem inefficient, but Stencils are cached per grob
anyway. */
- Link_array<Grob> all_elts_sorted (all_elements_->array ());
- all_elts_sorted.default_sort ();
- all_elts_sorted.uniq ();
+ vector<Grob*> all_elts_sorted (all_elements_->array ());
+ vector_sort (all_elts_sorted, std::less<Grob*> ());
+ uniq (all_elts_sorted);
this->get_stencil ();
- for (int i = all_elts_sorted.size (); i--;)
+ for (vsize i = all_elts_sorted.size (); i--;)
{
Grob *g = all_elts_sorted[i];
g->get_stencil ();
}
}
+struct Layer_entry
+{
+ Grob *grob_;
+ int layer_;
+};
+
+bool
+operator< (Layer_entry const &a,
+ Layer_entry const &b)
+{
+ return a.layer_ < b.layer_;
+}
+
+
SCM
System::get_paper_system ()
{
- static int const LAYER_COUNT = 3;
-
SCM exprs = SCM_EOL;
SCM *tail = &exprs;
- /* Output stencils in three layers: 0, 1, 2. Default layer: 1. */
- for (int i = 0; i < LAYER_COUNT; i++)
- for (int j = all_elements_->size (); j--;)
- {
- Grob *g = all_elements_->grob (j);
- Stencil *stil = g->get_stencil ();
+ vector<Layer_entry> entries;
+ for (vsize j = 0; j < all_elements_->size (); j++)
+ {
+ Layer_entry e;
+ e.grob_ = all_elements_->grob (j);
+ e.layer_ = robust_scm2int (e.grob_->get_property ("layer"), 1);
+
+ entries.push_back (e);
+ }
- /* Skip empty stencils and grobs that are not in this layer. */
- if (!stil
- || robust_scm2int (g->get_property ("layer"), 1) != i)
- continue;
+ vector_sort (entries, std::less<Layer_entry> ());
+ for (vsize j = 0; j < entries.size (); j++)
+ {
+ Grob *g = entries[j].grob_;
+ Stencil st = g->get_print_stencil ();
- Offset o (g->relative_coordinate (this, X_AXIS),
- g->relative_coordinate (this, Y_AXIS));
+ if (st.expr() == SCM_EOL)
+ continue;
+
+ Offset o;
+ for (int a = X_AXIS; a < NO_AXES; a++)
+ o[Axis (a)] = g->relative_coordinate (this, Axis (a));
- Offset extra = robust_scm2offset (g->get_property ("extra-offset"),
- Offset (0, 0))
- * Staff_symbol_referencer::staff_space (g);
+ 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. */
+ /* Must copy the stencil, for we cannot change the stencil
+ cached in G. */
- Stencil st = *stil;
- st.translate (o + extra);
+ st.translate (o + extra);
- *tail = scm_cons (st.expr (), SCM_EOL);
- tail = SCM_CDRLOC (*tail);
- }
+ *tail = scm_cons (st.expr (), SCM_EOL);
+ tail = SCM_CDRLOC (*tail);
+ }
if (Stencil *me = get_stencil ())
exprs = scm_cons (me->expr (), exprs);
Stencil sys_stencil (Box (x, y),
scm_cons (ly_symbol2scm ("combine-stencil"),
exprs));
-
-
+ if (debug_skylines)
+ {
+ sys_stencil.add_stencil (points_to_line_stencil (skylines_[UP].to_points ()).in_color (255, 0, 0));
+ sys_stencil.add_stencil (points_to_line_stencil (skylines_[DOWN].to_points ()).in_color (0, 255, 0));
+ }
Grob *left_bound = this->get_bound (LEFT);
SCM prop_init = left_bound->get_property ("line-break-system-details");
- Paper_system *pl = new Paper_system (sys_stencil,
- prop_init);
- pl->set_property ("penalty",
- left_bound->get_property ("page-penalty"));
-
+ Prob *pl = make_paper_system (prop_init);
+ paper_system_set_stencil (pl, sys_stencil);
+
+ /* information that the page breaker might need */
+ Grob *right_bound = this->get_bound (RIGHT);
+ pl->set_property ("skyline-distance", get_property ("skyline-distance"));
+ pl->set_property ("page-break-permission", right_bound->get_property ("page-break-permission"));
+ pl->set_property ("page-turn-permission", right_bound->get_property ("page-turn-permission"));
+ pl->set_property ("page-break-penalty", right_bound->get_property ("page-break-penalty"));
+ pl->set_property ("page-turn-penalty", right_bound->get_property ("page-turn-penalty"));
+
if (!scm_is_pair (pl->get_property ("refpoint-Y-extent")))
{
Interval staff_refpoints;
staff_refpoints.set_empty ();
extract_grob_set (this, "spaceable-staves", staves);
- for (int i = staves.size (); i--;)
+ for (vsize i = 0; i < staves.size (); i++)
{
Grob *g = staves[i];
staff_refpoints.add_point (g->relative_coordinate (this, Y_AXIS));
}
pl->set_property ("refpoint-Y-extent", ly_interval2scm (staff_refpoints));
}
-
+
+ pl->set_property ("system-grob", this->self_scm ());
+
return pl->unprotect ();
}
-Link_array<Item>
+vector<Item*>
System::broken_col_range (Item const *left, Item const *right) const
{
- Link_array<Item> ret;
+ vector<Item*> ret;
left = left->get_column ();
right = right->get_column ();
+
extract_grob_set (this, "columns", cols);
- int i = 0;
- while (i < cols.size ()
- && cols[i] != left)
- i++;
+ vsize i = binary_search (cols, (Grob *) left,
+ Paper_column::less_than);
+
+ int end_rank = Paper_column::get_rank (right);
if (i < cols.size ())
i++;
while (i < cols.size ()
- && cols[i] != right)
+ && Paper_column::get_rank (cols[i]) < end_rank)
{
Paper_column *c = dynamic_cast<Paper_column *> (cols[i]);
- if (Item::is_breakable (c) && !c->system_)
- ret.push (c);
+ if (Paper_column::is_breakable (c) && !c->system_)
+ ret.push_back (c);
i++;
}
return ret;
}
+
/** Return all columns, but filter out any unused columns , since they might
disrupt the spacing problem. */
-Link_array<Grob>
+vector<Grob*>
System::columns () const
{
extract_grob_set (this, "columns", ro_columns);
while (last_breakable--)
{
- if (Item::is_breakable (ro_columns [last_breakable]))
+ if (Paper_column::is_breakable (ro_columns [last_breakable]))
break;
}
- Link_array<Grob> columns;
+ vector<Grob*> columns;
for (int i = 0; i <= last_breakable; i++)
{
if (Paper_column::is_used (ro_columns[i]))
- columns.push (ro_columns[i]);
+ columns.push_back (ro_columns[i]);
}
return columns;
}
+Paper_score*
+System::paper_score () const
+{
+ return pscore_;
+}
+
int
System::get_rank () const
{
return rank_;
}
-ADD_INTERFACE (System, "system-interface",
+System *
+get_root_system (Grob *me)
+{
+ Grob *system_grob = me;
+
+ while (system_grob->get_parent (Y_AXIS))
+ system_grob = system_grob->get_parent (Y_AXIS);
+
+ return dynamic_cast<System*> (system_grob);
+}
+
+void
+System::build_skylines ()
+{
+ vector<Box> boxes;
+ for (vsize i = 0; i < all_elements_->size (); i++)
+ {
+ Grob *g = all_elements_->grob (i);
+ if (!unsmob_stencil (g->get_property ("stencil")))
+ continue;
+
+ Interval xiv = g->extent (this, X_AXIS);
+ Interval yiv = g->extent (this, Y_AXIS);
+ if (!xiv.is_empty () && !yiv.is_empty ())
+ boxes.push_back (Box (xiv, yiv));
+ }
+
+ SCM horizon_padding_scm = get_property ("skyline-horizontal-padding");
+ Real horizon_padding = robust_scm2double (horizon_padding_scm, 0);
+ skylines_[UP] = Skyline (boxes, horizon_padding, X_AXIS, UP);
+ skylines_[DOWN] = Skyline (boxes, horizon_padding, X_AXIS, DOWN);
+}
+
+
+ADD_INTERFACE (System,
"This is the toplevel object: each object in a score "
"ultimately has a System object as its X and Y parent. ",
- "all-elements spaceable-staves columns")
+
+ /* properties */
+ "all-elements "
+ "columns "
+ "pure-Y-extent "
+ "spaceable-staves "
+ "skyline-distance "
+ "skyline-horizontal-padding "
+ )
projects / lilypond.git / blobdiff