/*
- tie-column.cc -- implement Tie_column
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2000--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2000--2005 Han-Wen Nienhuys <hanwen@cs.uu.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 "tie-column.hh"
-#include <math.h>
-#include <map>
+#include <cmath>
+#include "output-def.hh"
#include "skyline.hh"
#include "warn.hh"
#include "paper-column.hh"
#include "tie.hh"
#include "directional-element-interface.hh"
#include "tie-column-format.hh"
+#include "tie-formatting-problem.hh"
+#include "tie-configuration.hh"
+
+using namespace std;
void
-Tie_column::add_tie (Grob *me, Grob *tie)
+Tie_column::add_tie (Grob *tc, Grob *tie)
{
+ Spanner *me = dynamic_cast<Spanner *> (tc);
+
if (tie->get_parent (Y_AXIS)
&& Tie_column::has_interface (tie->get_parent (Y_AXIS)))
return;
- if (!Pointer_group_interface::count (me, ly_symbol2scm ("ties")))
+ if (!me->get_bound (LEFT)
+ || (Paper_column::get_rank (me->get_bound (LEFT)->get_column ())
+ > Paper_column::get_rank (dynamic_cast<Spanner*> (tie)->get_bound (LEFT)->get_column ())))
{
- dynamic_cast<Spanner *> (me)->set_bound (LEFT, Tie::head (tie, LEFT));
- dynamic_cast<Spanner *> (me)->set_bound (RIGHT, Tie::head (tie, RIGHT));
+ me->set_bound (LEFT, Tie::head (tie, LEFT));
+ me->set_bound (RIGHT, Tie::head (tie, RIGHT));
}
-
+
tie->set_parent (me, Y_AXIS);
Pointer_group_interface::add_grob (me, ly_symbol2scm ("ties"), tie);
- tie->add_dependency (me);
-}
-
-void
-Tie_column::set_directions (Grob *me)
-{
- if (!to_boolean (me->get_property ("positioning-done")))
- {
- me->set_property ("positioning-done", SCM_BOOL_T);
- new_directions (me);
- }
-}
-
-
-
-MAKE_SCHEME_CALLBACK (Tie_column, after_line_breaking, 1);
-SCM
-Tie_column::after_line_breaking (SCM smob)
-{
- set_directions (unsmob_grob (smob));
- return SCM_UNSPECIFIED;
}
/*
}
while (flip (&dir) != LEFT);
}
+
return SCM_UNSPECIFIED;
}
-
-void
-Tie_column::new_directions (Grob *me)
+MAKE_SCHEME_CALLBACK (Tie_column, calc_positioning_done, 1)
+SCM
+Tie_column::calc_positioning_done (SCM smob)
{
+ Grob *me = unsmob_grob (smob);
extract_grob_set (me, "ties", ro_ties);
- Link_array<Grob> ties (ro_ties);
+ vector<Grob*> ties (ro_ties);
if (!ties.size ())
- return;
+ return SCM_BOOL_T;
- if (ties.size() == 1)
- {
- Tie::set_default_control_points (ties[0]);
- return ;
- }
-
- ties.sort (&Tie::compare);
- Array<Tie_configuration> tie_configs;
- for (int i = 0; i < ties.size (); i++)
- {
- Tie_configuration conf;
- conf.dir_ = get_grob_direction (ties[i]);
- conf.position_ = Tie::get_position (ties[i]);
- tie_configs.push (conf);
- }
+ me->set_property ("positioning-done", SCM_BOOL_T);
+
+ vector_sort (ties, Tie::less);
+
+ Tie_formatting_problem problem;
+ problem.from_ties (ties);
SCM manual_configs = me->get_property ("tie-configuration");
- bool manual_override = false;
- set_manual_tie_configuration (&tie_configs,
- &manual_override,
- manual_configs);
- set_tie_config_directions (&tie_configs);
-
- Grob *common = me;
- for (int i = 0; i < ties.size (); i++)
- {
- common = dynamic_cast<Spanner*> (ties[i])->get_bound (LEFT)->common_refpoint (common, X_AXIS);
- common = dynamic_cast<Spanner*> (ties[i])->get_bound (RIGHT)->common_refpoint (common, X_AXIS);
- }
+ problem.set_manual_tie_configuration (manual_configs);
- Drul_array< Array<Skyline_entry> > skylines;
- set_chord_outlines (&skylines, ties, common);
-
- Tie_details details;
- details.init (ties[0]);
- /*
- Let the ties flow out, according to our single-tie formatting.
- */
- if (!manual_override)
- {
- Tie::get_configuration (ties[0], common, &tie_configs.elem_ref (0),
- &skylines,
- details
- );
- Tie::get_configuration (ties.top (), common,
- &tie_configs.elem_ref (tie_configs.size()-1),
- &skylines,
- details
- );
- }
+ Ties_configuration base = problem.generate_optimal_configuration ();
- /*
- Calculate final width and shape of the ties.
- */
- for (int i = 0; i < ties.size(); i++)
+ for (vsize i = 0; i < base.size (); i++)
{
- if (!manual_override
- && (i == 0 || i == ties.size () -1))
- continue;
+ SCM cp = Tie::get_control_points (ties[i], problem.common_x_refpoint (),
+ base[i],
+ problem.details_);
+ ties[i]->set_property ("control-points", cp);
+ set_grob_direction (ties[i],
+ base[i].dir_);
- final_shape_adjustment (tie_configs[i],
- skylines,
- ties[0],
- details);
- }
-
-
- /*
- Try to shift small ties into available spaces.
- */
- if (!manual_override)
- {
- shift_small_ties (&tie_configs, ties[0], details);
- }
-
- for (int i = 0; i < ties.size(); i++)
- {
- Tie::set_control_points (ties[i], common, tie_configs[i],
- details
- );
- set_grob_direction (ties[i], tie_configs[i].dir_);
+ problem.set_debug_scoring (base);
}
+ return SCM_BOOL_T;
}
-ADD_INTERFACE (Tie_column, "tie-column-interface",
- "Object that sets directions of multiple ties in a tied chord",
+ADD_INTERFACE (Tie_column,
+ "Object that sets directions of multiple ties in a tied"
+ " chord.",
/* properties */
"positioning-done "