#include "tweak-registration.hh"
#include "warn.hh"
+extern bool debug_skylines;
+
System::System (System const &src, int count)
: Spanner (src, count)
{
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 ());
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--;)
entries.push_back (e);
}
- vector_sort (entries, default_compare);
+ vector_sort (entries, std::less<Layer_entry> ());
for (vsize j = 0; j < entries.size (); j++)
{
Grob *g = entries[j].grob_;
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;
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. ",
"columns "
"pure-Y-extent "
"spaceable-staves "
+ "skyline-distance "
+ "skyline-horizontal-padding "
)