/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 1996--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Copyright (C) 1996--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
LilyPond is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include "align-interface.hh"
#include "all-font-metrics.hh"
#include "axis-group-interface.hh"
+#include "break-align-interface.hh"
#include "grob-array.hh"
#include "hara-kiri-group-spanner.hh"
#include "international.hh"
#include "pointer-group-interface.hh"
#include "skyline-pair.hh"
#include "staff-symbol-referencer.hh"
+#include "system-start-delimiter.hh"
+#include "text-interface.hh"
#include "warn.hh"
+#include "unpure-pure-container.hh"
System::System (System const &src)
: Spanner (src)
Grob **ptr = &all_elements_->array_reference ()[0];
Grob **end = ptr + all_elements_->size ();
while (ptr < end)
- {
- scm_gc_mark ((*ptr)->self_scm ());
- ptr++;
- }
+ {
+ scm_gc_mark ((*ptr)->self_scm ());
+ ptr++;
+ }
}
if (pscore_)
}
static void
-fixup_refpoints (vector<Grob*> const &grobs)
+fixup_refpoints (vector<Grob *> const &grobs)
{
for (vsize i = grobs.size (); i--;)
grobs[i]->fixup_refpoint ();
{
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_non_musical (it))
- {
- it->find_prebroken_piece (LEFT)->suicide ();
- it->find_prebroken_piece (RIGHT)->suicide ();
- }
- g->suicide ();
- }
+ {
+ /*
+ Kill no longer needed grobs.
+ */
+ Item *it = dynamic_cast<Item *> (g);
+ if (it && Item::is_non_musical (it))
+ {
+ it->find_prebroken_piece (LEFT)->suicide ();
+ it->find_prebroken_piece (RIGHT)->suicide ();
+ }
+ g->suicide ();
+ }
else if (g->is_live ())
- g->do_break_processing ();
+ g->do_break_processing ();
}
/*
extract_grob_set (se, "all-elements", all_elts);
for (vsize j = 0; j < all_elts.size (); j++)
- {
- Grob *g = all_elts[j];
- g->fixup_refpoint ();
- }
+ {
+ Grob *g = all_elts[j];
+ g->fixup_refpoint ();
+ }
count += all_elts.size ();
}
that no duplicates are in the list. */
for (vsize i = 0; i < broken_intos_.size (); i++)
{
- System *child = dynamic_cast<System*> (broken_intos_[i]);
+ System *child = dynamic_cast<System *> (broken_intos_[i]);
child->all_elements_->remove_duplicates ();
+
for (vsize j = 0; j < child->all_elements_->size (); j++)
- {
- Grob *g = child->all_elements_->grob (j);
+ {
+ Grob *g = child->all_elements_->grob (j);
- (void) g->get_property ("after-line-breaking");
- }
+ (void) g->get_property ("after-line-breaking");
+ }
}
- if (be_verbose_global)
- message (_f ("Element count %d", count + element_count ()) + "\n");
+ debug_output (_f ("Element count %d", count + element_count ()) + "\n");
}
SCM
SCM ret = SCM_EOL;
for (vsize i = 0; i < broken_intos_.size (); i++)
ret = scm_cons (broken_intos_[i]->self_scm (), ret);
- return scm_reverse (ret);
+ return scm_reverse_x (ret, SCM_EOL);
}
SCM
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 ("[");
+ debug_output ("[", false);
System *system = dynamic_cast<System *> (broken_intos_[i]);
scm_vector_set_x (lines, scm_from_int (i),
- system->get_paper_system ());
+ system->get_paper_system ());
- if (be_verbose_global)
- progress_indication (to_string (i) + "]");
+ debug_output (::to_string (i) + "]", false);
}
return lines;
}
+vector<Grob *>
+System::get_footnote_grobs_in_range (vsize start, vsize end)
+{
+ vector<Grob *> out;
+ extract_grob_set (this, "footnotes-before-line-breaking", footnote_grobs);
+ for (vsize i = 0; i < footnote_grobs.size (); i++)
+ {
+ Grob *at_bat = footnote_grobs[i];
+ int pos = at_bat->spanned_rank_interval ()[LEFT];
+ bool end_of_line_visible = true;
+ if (Spanner *s = dynamic_cast<Spanner *>(at_bat))
+ {
+ Direction spanner_placement = robust_scm2dir (s->get_property ("spanner-placement"), LEFT);
+ if (spanner_placement == CENTER)
+ spanner_placement = LEFT;
+
+ pos = s->spanned_rank_interval ()[spanner_placement];
+ if (s->original ())
+ {
+ Spanner *orig = dynamic_cast<Spanner *>(s->original ());
+ at_bat = spanner_placement == LEFT ? orig->broken_intos_[0] : orig->broken_intos_.back ();
+ pos = at_bat->spanned_rank_interval ()[RIGHT];
+ }
+ }
+
+ if (Item *item = dynamic_cast<Item *>(at_bat))
+ {
+ /*
+ We use this to weed out grobs that fall at the end
+ of the line when we want grobs at the beginning.
+ */
+ end_of_line_visible = item->break_status_dir () == LEFT;
+
+ if (!Item::break_visible (item))
+ continue;
+ // safeguard to bring down the column rank so that end of line footnotes show up on the correct line
+ if (pos == int (start) && item->break_status_dir () != RIGHT)
+ continue;
+ if (pos == int (end) && item->break_status_dir () != LEFT)
+ continue;
+ if (pos != int (end) && pos != int (start) && item->break_status_dir () != CENTER)
+ continue;
+ }
+
+ if (pos < int (start))
+ continue;
+ if (pos > int (end))
+ continue;
+ if (pos == int (start) && end_of_line_visible)
+ continue;
+ if (pos == int (end) && !end_of_line_visible)
+ continue;
+ if (!at_bat->is_live ())
+ continue;
+ /*
+ TODO
+ Sometimes, there are duplicate entries in the all_elements_
+ list. In a separate patch, this practice should be squashed
+ so that the check below can be eliminated.
+ */
+ if (find (out.begin (), out.end (), at_bat) != out.end ())
+ continue;
+
+ out.push_back (at_bat);
+ }
+ return out;
+}
+
+vector<Real>
+System::get_footnote_heights_in_range (vsize start, vsize end)
+{
+ return internal_get_note_heights_in_range (start, end, true);
+}
+
+vector<Real>
+System::get_in_note_heights_in_range (vsize start, vsize end)
+{
+ return internal_get_note_heights_in_range (start, end, false);
+}
+
+vector<Real>
+System::internal_get_note_heights_in_range (vsize start, vsize end, bool foot)
+{
+ vector<Grob *> footnote_grobs = get_footnote_grobs_in_range (start, end);
+ vector<Real> out;
+
+ for (vsize i = footnote_grobs.size (); i--;)
+ if (foot
+ ? !to_boolean (footnote_grobs[i]->get_property ("footnote"))
+ : to_boolean (footnote_grobs[i]->get_property ("footnote")))
+ footnote_grobs.erase (footnote_grobs.begin () + i);
+
+ for (vsize i = 0; i < footnote_grobs.size (); i++)
+ {
+ SCM footnote_markup = footnote_grobs[i]->get_property ("footnote-text");
+
+ if (!Text_interface::is_markup (footnote_markup))
+ continue;
+
+ SCM props = scm_call_1 (ly_lily_module_constant ("layout-extract-page-properties"),
+ pscore_->layout ()->self_scm ());
+
+ SCM footnote_stl = Text_interface::interpret_markup (pscore_->layout ()->self_scm (),
+ props, footnote_markup);
+
+ Stencil *footnote_stencil = unsmob_stencil (footnote_stl);
+ out.push_back (footnote_stencil->extent (Y_AXIS).length ());
+ }
+
+ return out;
+}
+
+vsize
+System::num_footnotes ()
+{
+ extract_grob_set (this, "footnotes-after-line-breaking", footnote_grobs);
+ return footnote_grobs.size ();
+}
+
+bool
+grob_2D_less (Grob *g1, Grob *g2)
+{
+ int sri[] = {0, 0};
+ Grob *gs[] = {g1, g2};
+
+ for (int i = 0; i < 2; i++)
+ {
+ sri[i] = gs[i]->spanned_rank_interval ()[LEFT];
+ if (Spanner *s = dynamic_cast<Spanner *> (gs[i]))
+ {
+ if (s->broken_intos_.size ())
+ s = (scm_to_int (s->broken_intos_[0]->get_property ("spanner-placement")) == LEFT
+ ? s->broken_intos_[0]
+ : s->broken_intos_.back ());
+ gs[i] = s;
+ if (robust_scm2double (s->get_property ("X-offset"), 0.0) > 0)
+ sri[i] = s->spanned_rank_interval ()[RIGHT];
+ }
+ }
+
+ if (sri[0] == sri[1])
+ return Grob::vertical_less (gs[0], gs[1]);
+
+ return sri[0] < sri[1];
+}
+
+MAKE_SCHEME_CALLBACK (System, footnotes_before_line_breaking, 1);
+SCM
+System::footnotes_before_line_breaking (SCM smob)
+{
+ Grob *me = unsmob_grob (smob);
+ vector<Grob *> footnotes;
+ SCM grobs_scm = Grob_array::make_array ();
+ extract_grob_set (me, "all-elements", elts);
+ for (vsize i = 0; i < elts.size (); i++)
+ if (elts[i]->internal_has_interface (ly_symbol2scm ("footnote-interface")))
+ footnotes.push_back (elts[i]);
+
+ unsmob_grob_array (grobs_scm)->set_array (footnotes);
+ return grobs_scm;
+}
+
+MAKE_SCHEME_CALLBACK (System, footnotes_after_line_breaking, 1);
+SCM
+System::footnotes_after_line_breaking (SCM smob)
+{
+ Spanner *sys_span = unsmob_spanner (smob);
+ System *sys = dynamic_cast<System *> (sys_span);
+ Interval_t<int> sri = sys->spanned_rank_interval ();
+ vector<Grob *> footnote_grobs = sys->get_footnote_grobs_in_range (sri[LEFT], sri[RIGHT]);
+ vector_sort (footnote_grobs, grob_2D_less);
+
+ SCM grobs_scm = Grob_array::make_array ();
+ unsmob_grob_array (grobs_scm)->set_array (footnote_grobs);
+ return grobs_scm;
+}
+
+MAKE_SCHEME_CALLBACK (System, vertical_skyline_elements, 1);
+SCM
+System::vertical_skyline_elements (SCM smob)
+{
+ Grob *me_grob = unsmob_grob (smob);
+ vector<Grob *> vertical_skyline_grobs;
+ extract_grob_set (me_grob, "elements", my_elts);
+ for (vsize i = 0; i < my_elts.size (); i++)
+ if (System_start_delimiter::has_interface (my_elts[i]))
+ vertical_skyline_grobs.push_back (my_elts[i]);
+
+ System *me = dynamic_cast<System *> (me_grob);
+ Grob *align = unsmob_grob (me->get_object ("vertical-alignment"));
+ if (!align)
+ {
+ SCM grobs_scm = Grob_array::make_array ();
+ unsmob_grob_array (grobs_scm)->set_array (vertical_skyline_grobs);
+ return grobs_scm;
+ }
+
+ extract_grob_set (align, "elements", elts);
+
+ for (vsize i = 0; i < elts.size (); i++)
+ if (Hara_kiri_group_spanner::has_interface (elts[i]))
+ vertical_skyline_grobs.push_back (elts[i]);
+
+ SCM grobs_scm = Grob_array::make_array ();
+ unsmob_grob_array (grobs_scm)->set_array (vertical_skyline_grobs);
+ return grobs_scm;
+}
+
void
System::break_into_pieces (vector<Column_x_positions> const &breaking)
{
System *system = dynamic_cast<System *> (clone ());
system->rank_ = broken_intos_.size ();
- vector<Grob*> c (breaking[i].cols_);
+ vector<Grob *> c (breaking[i].cols_);
pscore_->typeset_system (system);
int st = Paper_column::get_rank (c[0]);
system->set_bound (RIGHT, c.back ());
SCM system_labels = SCM_EOL;
for (vsize j = 0; j < c.size (); j++)
- {
- c[j]->translate_axis (breaking[i].config_[j], X_AXIS);
- dynamic_cast<Paper_column *> (c[j])->set_system (system);
- /* collect the column labels */
- SCM col_labels = c[j]->get_property ("labels");
- if (scm_is_pair (col_labels))
- system_labels = scm_append (scm_list_2 (col_labels, system_labels));
- }
+ {
+ c[j]->translate_axis (breaking[i].config_[j], X_AXIS);
+ dynamic_cast<Paper_column *> (c[j])->set_system (system);
+ /* collect the column labels */
+ collect_labels (c[j], &system_labels);
+ }
+ /*
+ Collect labels from any loose columns too: theses will be set on
+ an empty bar line or a column which is otherwise unused mid-line
+ */
+ vector<Grob *> loose (breaking[i].loose_cols_);
+ for (vsize j = 0; j < loose.size (); j++)
+ collect_labels (loose[j], &system_labels);
+
system->set_property ("labels", system_labels);
-
+
set_loose_columns (system, &breaking[i]);
broken_intos_.push_back (system);
}
}
+void
+System::collect_labels (Grob const *col, SCM *labels)
+{
+ SCM col_labels = col->get_property ("labels");
+ if (scm_is_pair (col_labels))
+ *labels = scm_append (scm_list_2 (col_labels, *labels));
+}
+
void
System::add_column (Paper_column *p)
{
for (vsize i = 0; i < all_elements_->size (); i++)
all_elements_->grob (i)->discretionary_processing ();
- if (be_verbose_global)
- message (_f ("Grob count %d", element_count ()));
+ debug_output (_f ("Grob count %d", element_count ()));
/*
order is significant: broken grobs are added to the end of the
This might seem inefficient, but Stencils are cached per grob
anyway. */
- vector<Grob*> all_elts_sorted (all_elements_->array ());
- vector_sort (all_elts_sorted, std::less<Grob*> ());
- uniq (all_elts_sorted);
+ vector<Grob *> all_elts_sorted (all_elements_->array ());
+ uniquify (all_elts_sorted);
this->get_stencil ();
for (vsize i = all_elts_sorted.size (); i--;)
{
};
bool
-operator< (Layer_entry const &a,
- Layer_entry const &b)
+operator < (Layer_entry const &a,
+ Layer_entry const &b)
{
return a.layer_ < b.layer_;
}
-
SCM
System::get_paper_system ()
{
Layer_entry e;
e.grob_ = all_elements_->grob (j);
e.layer_ = robust_scm2int (e.grob_->get_property ("layer"), 1);
-
- entries.push_back (e);
+
+ entries.push_back (e);
}
vector_sort (entries, std::less<Layer_entry> ());
Stencil st = g->get_print_stencil ();
if (st.expr () == SCM_EOL)
- continue;
-
+ continue;
+
Offset o;
for (int a = X_AXIS; a < NO_AXES; a++)
- o[Axis (a)] = g->relative_coordinate (this, Axis (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 (0, 0))
+ * Staff_symbol_referencer::staff_space (g);
/* Must copy the stencil, for we cannot change the stencil
- cached in G. */
+ cached in G. */
st.translate (o + extra);
Interval x (extent (this, X_AXIS));
Interval y (extent (this, Y_AXIS));
Stencil sys_stencil (Box (x, y),
- scm_cons (ly_symbol2scm ("combine-stencil"),
- exprs));
+ scm_cons (ly_symbol2scm ("combine-stencil"),
+ exprs));
if (debug_skylines)
{
Skyline_pair *skylines = Skyline_pair::unsmob (get_property ("vertical-skylines"));
if (skylines)
- {
- Stencil up
- = Lookup::points_to_line_stencil (0.1, (*skylines)[UP].to_points (X_AXIS));
- Stencil down
- = Lookup::points_to_line_stencil (0.1, (*skylines)[DOWN].to_points (X_AXIS));
- sys_stencil.add_stencil (up.in_color (255, 0, 0));
- sys_stencil.add_stencil (down.in_color (0, 255, 0));
- }
+ {
+ Stencil up
+ = Lookup::points_to_line_stencil (0.1, (*skylines)[UP].to_points (X_AXIS));
+ Stencil down
+ = Lookup::points_to_line_stencil (0.1, (*skylines)[DOWN].to_points (X_AXIS));
+ sys_stencil.add_stencil (up.in_color (255, 0, 0));
+ sys_stencil.add_stencil (down.in_color (0, 255, 0));
+ }
}
Grob *left_bound = this->get_bound (LEFT);
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 (right_bound->original () == dynamic_cast<System *> (original ())->get_bound (RIGHT))
+ pl->set_property ("last-in-score", SCM_BOOL_T);
+
Interval staff_refpoints;
- extract_grob_set (this, "spaceable-staves", staves);
- for (vsize i = 0; i < staves.size (); i++)
- if (staves[i]->is_live ())
- staff_refpoints.add_point (staves[i]->relative_coordinate (this, Y_AXIS));
+ if (Grob *align = unsmob_grob (get_object ("vertical-alignment")))
+ {
+ extract_grob_set (align, "elements", staves);
+ for (vsize i = 0; i < staves.size (); i++)
+ if (staves[i]->is_live ()
+ && Page_layout_problem::is_spaceable (staves[i]))
+ staff_refpoints.add_point (staves[i]->relative_coordinate (this,
+ Y_AXIS));
+ }
pl->set_property ("staff-refpoint-extent", ly_interval2scm (staff_refpoints));
- pl->set_property ("system-grob", this->self_scm ());
+ pl->set_property ("system-grob", this->self_scm ());
return pl->unprotect ();
}
-vector<Item*>
+vector<Item *>
System::broken_col_range (Item const *left, Item const *right) const
{
- vector<Item*> ret;
+ vector<Item *> ret;
left = left->get_column ();
right = right->get_column ();
-
extract_grob_set (this, "columns", cols);
vsize i = Paper_column::get_rank (left);
i++;
while (i < cols.size ()
- && Paper_column::get_rank (cols[i]) < end_rank)
+ && Paper_column::get_rank (cols[i]) < end_rank)
{
Paper_column *c = dynamic_cast<Paper_column *> (cols[i]);
if (Paper_column::is_breakable (c) && !c->get_system ())
- ret.push_back (c);
+ ret.push_back (c);
i++;
}
return ret;
}
-
/** Return all columns, but filter out any unused columns , since they might
disrupt the spacing problem. */
-vector<Grob*>
+vector<Grob *>
System::used_columns () const
{
extract_grob_set (this, "columns", ro_columns);
while (last_breakable--)
{
if (Paper_column::is_breakable (ro_columns [last_breakable]))
- break;
+ break;
}
- vector<Grob*> columns;
+ vector<Grob *> columns;
for (int i = 0; i <= last_breakable; i++)
{
if (Paper_column::is_used (ro_columns[i]))
- columns.push_back (ro_columns[i]);
+ columns.push_back (ro_columns[i]);
}
return columns;
extract_grob_set (this, "columns", columns);
if (which >= columns.size ())
return 0;
-
- return dynamic_cast<Paper_column*> (columns[which]);
+
+ return dynamic_cast<Paper_column *> (columns[which]);
}
-Paper_score*
+Paper_score *
System::paper_score () const
{
return pscore_;
}
System *
-get_root_system (Grob *me)
+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);
+ return dynamic_cast<System *> (system_grob);
}
-Grob *
-System::get_vertical_alignment ()
+MAKE_SCHEME_CALLBACK (System, get_vertical_alignment, 1);
+SCM
+System::get_vertical_alignment (SCM smob)
{
- extract_grob_set (this, "elements", elts);
+ Grob *me = unsmob_grob (smob);
+ extract_grob_set (me, "elements", elts);
Grob *ret = 0;
for (vsize i = 0; i < elts.size (); i++)
if (Align_interface::has_interface (elts[i]))
{
- if (ret)
- programming_error ("found multiple vertical alignments in this system");
- ret = elts[i];
+ if (ret)
+ me->programming_error ("found multiple vertical alignments in this system");
+ ret = elts[i];
}
if (!ret)
- programming_error ("didn't find a vertical alignment in this system");
- return ret;
+ {
+ me->programming_error ("didn't find a vertical alignment in this system");
+ return SCM_EOL;
+ }
+ return ret->self_scm ();
}
// Finds the furthest staff in the given direction whose x-extent
Grob *
System::get_extremal_staff (Direction dir, Interval const &iv)
{
- Grob *align = get_vertical_alignment ();
+ Grob *align = unsmob_grob (get_object ("vertical-alignment"));
if (!align)
return 0;
for (vsize i = start; i != end; i += dir)
{
if (Hara_kiri_group_spanner::has_interface (elts[i]))
- Hara_kiri_group_spanner::consider_suicide (elts[i]);
+ Hara_kiri_group_spanner::consider_suicide (elts[i]);
Interval intersection = elts[i]->extent (this, X_AXIS);
intersection.intersect (iv);
if (elts[i]->is_live () && !intersection.is_empty ())
- return elts[i];
+ return elts[i];
}
return 0;
}
+// Finds the neighboring staff in the given direction over bounds
+Grob *
+System::get_neighboring_staff (Direction dir, Grob *vertical_axis_group, Interval_t<int> bounds)
+{
+ Grob *align = unsmob_grob (get_object ("vertical-alignment"));
+ if (!align)
+ return 0;
+
+ extract_grob_set (align, "elements", elts);
+ vsize start = (dir == UP) ? 0 : elts.size () - 1;
+ vsize end = (dir == UP) ? elts.size () : VPOS;
+
+ Grob *out = 0;
+
+ for (vsize i = start; i != end; i += dir)
+ {
+ if (elts[i] == vertical_axis_group)
+ return out;
+
+ if (Hara_kiri_group_spanner::has_interface (elts[i]))
+ Hara_kiri_group_spanner::consider_suicide (elts[i]);
+
+ bounds.intersect (elts[i]->spanned_rank_interval ());
+ if (elts[i]->is_live () && !bounds.is_empty ())
+ out = elts[i];
+ }
+
+ return 0;
+}
+
+Interval
+System::pure_refpoint_extent (vsize start, vsize end)
+{
+ Interval ret;
+ Grob *alignment = unsmob_grob (get_object ("vertical-alignment"));
+ if (!alignment)
+ return Interval ();
+
+ extract_grob_set (alignment, "elements", staves);
+ vector<Real> offsets = Align_interface::get_pure_minimum_translations (alignment, staves, Y_AXIS, start, end);
+
+ for (vsize i = 0; i < offsets.size (); ++i)
+ if (Page_layout_problem::is_spaceable (staves[i]))
+ {
+ ret[UP] = offsets[i];
+ break;
+ }
+
+ for (vsize i = offsets.size (); i--;)
+ if (Page_layout_problem::is_spaceable (staves[i]))
+ {
+ ret[DOWN] = offsets[i];
+ break;
+ }
+
+ return ret;
+}
+
Interval
System::part_of_line_pure_height (vsize start, vsize end, bool begin)
{
- Grob *alignment = get_vertical_alignment ();
+ Grob *alignment = unsmob_grob (get_object ("vertical-alignment"));
if (!alignment)
- {
- programming_error("system does not have a vertical alignment");
- return Interval();
- }
+ return Interval ();
+
extract_grob_set (alignment, "elements", staves);
- vector<Real> offsets = Align_interface::get_minimum_translations (alignment, staves, Y_AXIS, true, start, end);
+ vector<Real> offsets = Align_interface::get_pure_minimum_translations (alignment, staves, Y_AXIS, start, end);
Interval ret;
- for (vsize i = 0; i < staves.size(); ++i)
+ for (vsize i = 0; i < staves.size (); ++i)
{
- Interval iv = begin?
- Axis_group_interface::begin_of_line_pure_height (staves[i], start) :
- Axis_group_interface::rest_of_line_pure_height (staves[i], start, end);
- if (i<offsets.size())
+ Interval iv = begin
+ ? Axis_group_interface::begin_of_line_pure_height (staves[i], start)
+ : Axis_group_interface::rest_of_line_pure_height (staves[i], start, end);
+ if (i < offsets.size ())
iv.translate (offsets[i]);
ret.unite (iv);
}
+ Interval other_elements = begin
+ ? Axis_group_interface::begin_of_line_pure_height (this, start)
+ : Axis_group_interface::rest_of_line_pure_height (this, start, end);
+
+ ret.unite (other_elements);
+
return ret;
}
return part_of_line_pure_height (start, end, false);
}
+// This differs from Axis_group_interface::calc_pure_relevant_grobs
+// because here, we are only interested in those few elements that aren't
+// descended from VerticalAlignment (ie. things like RehearsalMark, BarLine).
+MAKE_SCHEME_CALLBACK (System, calc_pure_relevant_grobs, 1);
+SCM
+System::calc_pure_relevant_grobs (SCM smob)
+{
+ Grob *me = unsmob_grob (smob);
+
+ extract_grob_set (me, "elements", elts);
+ vector<Grob *> relevant_grobs;
+
+ for (vsize i = 0; i < elts.size (); ++i)
+ {
+ if (!Axis_group_interface::has_interface (elts[i]))
+ {
+ relevant_grobs.push_back (elts[i]);
+
+ if (Item *it = dynamic_cast<Item *> (elts[i]))
+ {
+ for (LEFT_and_RIGHT (d))
+ {
+ Item *piece = it->find_prebroken_piece (d);
+ if (piece && piece->is_live ())
+ relevant_grobs.push_back (piece);
+ }
+ }
+ }
+ }
+
+ SCM grobs_scm = Grob_array::make_array ();
+
+ unsmob_grob_array (grobs_scm)->set_array (relevant_grobs);
+ return grobs_scm;
+}
+
+MAKE_SCHEME_CALLBACK (System, height, 1);
+SCM
+System::height (SCM smob)
+{
+ return Axis_group_interface::height (smob);
+}
+
+MAKE_SCHEME_CALLBACK (System, calc_pure_height, 3);
+SCM
+System::calc_pure_height (SCM smob, SCM start_scm, SCM end_scm)
+{
+ System *me = dynamic_cast<System *> (unsmob_grob (smob));
+ int start = scm_to_int (start_scm);
+ int end = scm_to_int (end_scm);
+
+ Interval begin = me->begin_of_line_pure_height (start, end);
+ Interval rest = me->rest_of_line_pure_height (start, end);
+ begin.unite (rest);
+
+ return ly_interval2scm (begin);
+}
+
+Grob *
+System::get_pure_bound (Direction d, int start, int end)
+{
+ vector<vsize> ranks = pscore_->get_break_ranks ();
+ vector<vsize> indices = pscore_->get_break_indices ();
+ vector<Grob *> cols = pscore_->get_columns ();
+
+ vsize target_rank = (d == LEFT ? start : end);
+ vector<vsize>::const_iterator i
+ = lower_bound (ranks.begin (), ranks.end (), target_rank, std::less<vsize> ());
+
+ if (i != ranks.end () && (*i) == target_rank)
+ return cols[indices[i - ranks.begin ()]];
+ else
+ return 0;
+}
+
+Grob *
+System::get_maybe_pure_bound (Direction d, bool pure, int start, int end)
+{
+ return pure ? get_pure_bound (d, start, end) : get_bound (d);
+}
+
+enum
+{
+ SPACEABLE_STAVES,
+ NONSPACEABLE_STAVES,
+ ALL_STAVES
+};
+
+static SCM
+get_maybe_spaceable_staves (SCM smob, int filter)
+{
+ System *me = dynamic_cast<System *> (unsmob_grob (smob));
+ Grob *align = unsmob_grob (me->get_object ("vertical_alignment"));
+ SCM ret = SCM_EOL;
+
+ if (align)
+ {
+ SCM *tail = &ret;
+ extract_grob_set (align, "elements", staves);
+
+ for (vsize i = 0; i < staves.size (); ++i)
+ {
+ bool spaceable = Page_layout_problem::is_spaceable (staves[i]);
+ if (staves[i]->is_live ()
+ && ((filter == ALL_STAVES)
+ || (filter == SPACEABLE_STAVES && spaceable)
+ || (filter == NONSPACEABLE_STAVES && !spaceable)))
+ {
+ *tail = scm_cons (staves[i]->self_scm (), SCM_EOL);
+ tail = SCM_CDRLOC (*tail);
+ }
+ }
+ }
+
+ return ret;
+}
+
+MAKE_SCHEME_CALLBACK (System, get_staves, 1)
+SCM
+System::get_staves (SCM smob)
+{
+ return get_maybe_spaceable_staves (smob, ALL_STAVES);
+}
+
+MAKE_SCHEME_CALLBACK (System, get_spaceable_staves, 1)
+SCM
+System::get_spaceable_staves (SCM smob)
+{
+ return get_maybe_spaceable_staves (smob, SPACEABLE_STAVES);
+}
+
+MAKE_SCHEME_CALLBACK (System, get_nonspaceable_staves, 1)
+SCM
+System::get_nonspaceable_staves (SCM smob)
+{
+ return get_maybe_spaceable_staves (smob, NONSPACEABLE_STAVES);
+}
+
ADD_INTERFACE (System,
- "This is the top-level object: Each object in a score"
- " ultimately has a @code{System} object as its X and"
- " Y@tie{}parent.",
-
- /* properties */
- "all-elements "
- "columns "
- "labels "
- "pure-Y-extent "
- "spaceable-staves "
- "skyline-distance "
- "skyline-horizontal-padding "
- )
+ "This is the top-level object: Each object in a score"
+ " ultimately has a @code{System} object as its X and"
+ " Y@tie{}parent.",
+
+ /* properties */
+ "all-elements "
+ "columns "
+ "footnote-stencil "
+ "footnotes-before-line-breaking "
+ "footnotes-after-line-breaking "
+ "in-note-direction "
+ "in-note-padding "
+ "in-note-stencil "
+ "labels "
+ "pure-Y-extent "
+ "vertical-alignment "
+ );
projects / lilypond.git / blobdiff