#include "staff-symbol-referencer.hh"
#include "tweak-registration.hh"
#include "warn.hh"
-#include "warn.hh"
+
+extern bool debug_skylines;
System::System (System const &src, int count)
: Spanner (src, count)
{
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
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 ();
+ 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 ());
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.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_back (system);
}
anyway. */
vector<Grob*> all_elts_sorted (all_elements_->array ());
- vector_sort (all_elts_sorted, default_compare);
+ vector_sort (all_elts_sorted, std::less<Grob*> ());
uniq (all_elts_sorted);
this->get_stencil ();
for (vsize i = all_elts_sorted.size (); i--;)
}
}
+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 (vsize j = all_elements_->size (); j--;)
- {
- Grob *g = all_elements_->grob (j);
- Stencil st = g->get_print_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 (st.expr() == SCM_EOL
- || 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;
- for (int a = X_AXIS; a < NO_AXES; a++)
- o[Axis (a)] = g->relative_coordinate (this, Axis (a));
+ 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. */
- 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");
Prob *pl = make_paper_system (prop_init);
paper_system_set_stencil (pl, sys_stencil);
- /* backwards-compatibility hack for the old page-breaker */
- SCM turn_perm = left_bound->get_property ("page-break-permission");
- if (!scm_is_symbol (turn_perm))
- pl->set_property ("penalty", scm_from_double (10001.0));
- else if (turn_perm == ly_symbol2scm ("force"))
- pl->set_property ("penalty", scm_from_double (-10001.0));
- else
- pl->set_property ("penalty", scm_from_double (0.0));
-
+ /* 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 (vsize 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));
left = left->get_column ();
right = right->get_column ();
+
extract_grob_set (this, "columns", cols);
- vsize 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 (Paper_column::is_breakable (c) && !c->system_)
return ret;
}
+
/** Return all columns, but filter out any unused columns , since they might
disrupt the spacing problem. */
vector<Grob*>
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, "system-interface",
+ADD_INTERFACE (System,
"This is the toplevel object: each object in a score "
"ultimately has a System object as its X and Y parent. ",
/* properties */
"all-elements "
"columns "
+ "pure-Y-extent "
"spaceable-staves "
+ "skyline-distance "
+ "skyline-horizontal-padding "
)