/*
- system.cc -- implement System
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1996--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1996--2006 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
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#include "system.hh"
#include "all-font-metrics.hh"
#include "axis-group-interface.hh"
#include "grob-array.hh"
+#include "hara-kiri-group-spanner.hh"
#include "international.hh"
+#include "lookup.hh"
#include "main.hh"
#include "output-def.hh"
+#include "page-layout-problem.hh"
#include "paper-column.hh"
#include "paper-score.hh"
#include "paper-system.hh"
#include "pointer-group-interface.hh"
-#include "spacing-interface.hh"
+#include "skyline-pair.hh"
#include "staff-symbol-referencer.hh"
-#include "tweak-registration.hh"
#include "warn.hh"
-#include "lookup.hh"
-extern bool debug_skylines;
-
-System::System (System const &src, int count)
- : Spanner (src, count)
+System::System (System const &src)
+ : Spanner (src)
{
all_elements_ = 0;
pscore_ = 0;
init_elements ();
}
-System::System (SCM s, Object_key const *key)
- : Spanner (s, key)
+System::System (SCM s)
+ : Spanner (s)
{
all_elements_ = 0;
rank_ = 0;
}
Grob *
-System::clone (int index) const
+System::clone () const
{
- return new System (*this, index);
+ return new System (*this);
}
int
grobs[i]->fixup_refpoint ();
}
-SCM
-System::get_paper_systems ()
+void
+System::do_break_substitution_and_fixup_refpoints ()
{
for (vsize i = 0; i < all_elements_->size (); 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);
+
+ (void) g->get_property ("after-line-breaking");
+ }
}
if (be_verbose_global)
- message (_f ("Element count %d.", count + element_count ()));
+ message (_f ("Element count %d", count + element_count ()) + "\n");
+}
+
+SCM
+System::get_broken_system_grobs ()
+{
+ 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);
+}
+SCM
+System::get_paper_systems ()
+{
SCM lines = scm_c_make_vector (broken_intos_.size (), SCM_EOL);
for (vsize i = 0; i < broken_intos_.size (); i++)
{
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 ());
{
for (vsize i = 0; i < breaking.size (); i++)
{
- System *system = dynamic_cast<System *> (clone (broken_intos_.size ()));
+ System *system = dynamic_cast<System *> (clone ());
system->rank_ = broken_intos_.size ();
vector<Grob*> c (breaking[i].cols_);
system->set_bound (LEFT, 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])->system_ = system;
+ 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));
}
+ system->set_property ("labels", system_labels);
set_loose_columns (system, &breaking[i]);
broken_intos_.push_back (system);
ga = unsmob_grob_array (scm_ga);
}
- p->rank_ = ga->size ();
+ p->set_rank (ga->size ());
ga->add (p);
Axis_group_interface::add_element (this, p);
}
-void
-apply_tweaks (Grob *g, bool 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))
- {
- SCM proc = scm_caar (s);
- SCM rest = scm_cdar (s);
- scm_apply_1 (proc, g->self_scm (), rest);
- }
- }
-}
-
void
System::pre_processing ()
{
fixup_refpoints (all_elements_->array ());
- for (vsize i = 0; i < all_elements_->size (); i++)
- apply_tweaks (all_elements_->grob (i), false);
-
for (vsize i = 0; i < all_elements_->size (); i++)
{
Grob *g = all_elements_->grob (i);
void
System::post_processing ()
{
- for (vsize i = 0; i < all_elements_->size (); i++)
- {
- Grob *g = all_elements_->grob (i);
-
- apply_tweaks (g, true);
- (void) g->get_property ("after-line-breaking");
- }
-
Interval iv (extent (this, Y_AXIS));
if (iv.is_empty ())
programming_error ("system with empty extent");
SCM exprs = SCM_EOL;
SCM *tail = &exprs;
+ post_processing ();
+
vector<Layer_entry> entries;
for (vsize j = 0; j < all_elements_->size (); j++)
{
Grob *g = entries[j].grob_;
Stencil st = g->get_print_stencil ();
- if (st.expr() == SCM_EOL)
+ if (st.expr () == SCM_EOL)
continue;
Offset o;
exprs));
if (debug_skylines)
{
- sys_stencil.add_stencil (Lookup::points_to_line_stencil (0.1, skylines_[UP].to_points ()).in_color (255, 0, 0));
- sys_stencil.add_stencil (Lookup::points_to_line_stencil (0.1, skylines_[DOWN].to_points ()).in_color (0, 255, 0));
+ 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));
+ }
}
Grob *left_bound = this->get_bound (LEFT);
/* 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 ("vertical-skylines", this->get_property ("vertical-skylines"));
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 = 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));
- }
+ 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));
+ pl->set_property ("staff-refpoint-extent", ly_interval2scm (staff_refpoints));
pl->set_property ("system-grob", this->self_scm ());
return pl->unprotect ();
&& 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_)
+ if (Paper_column::is_breakable (c) && !c->get_system ())
ret.push_back (c);
i++;
}
return columns;
}
-Grob*
+Paper_column *
System::column (vsize which) const
{
extract_grob_set (this, "columns", columns);
if (which >= columns.size ())
return 0;
- return columns[which];
+ return dynamic_cast<Paper_column*> (columns[which]);
}
Paper_score*
return dynamic_cast<System*> (system_grob);
}
-void
-System::build_skylines ()
+Grob *
+System::get_vertical_alignment ()
{
- vector<Box> boxes;
- for (vsize i = 0; i < all_elements_->size (); i++)
+ extract_grob_set (this, "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)
+ programming_error ("didn't find a vertical alignment in this system");
+ return ret;
+}
+
+// Finds the furthest staff in the given direction whose x-extent
+// overlaps with the given interval.
+Grob *
+System::get_extremal_staff (Direction dir, Interval const &iv)
+{
+ Grob *align = get_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;
+ for (vsize i = start; i != end; i += dir)
{
- Grob *g = all_elements_->grob (i);
- if (!unsmob_stencil (g->get_property ("stencil")))
- continue;
+ if (Hara_kiri_group_spanner::has_interface (elts[i]))
+ Hara_kiri_group_spanner::consider_suicide (elts[i]);
- 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));
+ Interval intersection = elts[i]->extent (this, X_AXIS);
+ intersection.intersect (iv);
+ if (elts[i]->is_live () && !intersection.is_empty ())
+ return elts[i];
}
-
- 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);
+ return 0;
}
-
ADD_INTERFACE (System,
- "This is the toplevel object: each object in a score "
- "ultimately has a System object as its X and Y parent. ",
+ "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 "