2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2005--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
7 LilyPond is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
12 LilyPond is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
21 #include "semi-tie-column.hh"
22 #include "semi-tie.hh"
24 #include "tie-column.hh"
26 #include "directional-element-interface.hh"
27 #include "pointer-group-interface.hh"
28 #include "staff-symbol-referencer.hh"
30 #include "tie-formatting-problem.hh"
31 #include "tie-column-format.hh"
33 ADD_INTERFACE (Semi_tie_column,
34 "The interface for a column of l.v. (laissez vibrer) ties.",
43 Cut & paste from tie-column.cc
45 MAKE_SCHEME_CALLBACK (Semi_tie_column, calc_positioning_done, 1);
47 Semi_tie_column::calc_positioning_done (SCM smob)
49 Grob *me = unsmob_grob (smob);
51 me->set_property ("positioning-done", SCM_BOOL_T);
53 extract_grob_set (me, "ties", lv_ro_ties);
54 vector<Grob *> lv_ties (lv_ro_ties);
56 vector_sort (lv_ties, Semi_tie::less);
58 Ties_configuration ties_config;
60 Tie_formatting_problem problem;
62 problem.from_semi_ties (lv_ties, to_dir (me->get_property ("head-direction")));
64 SCM manual_configs = me->get_property ("tie-configuration");
65 problem.set_manual_tie_configuration (manual_configs);
67 Ties_configuration base = problem.generate_optimal_configuration ();
68 for (vsize i = 0; i < lv_ties.size (); i++)
70 SCM cp = Tie::get_control_points (lv_ties[i], problem.common_x_refpoint (), base[i],
73 lv_ties[i]->set_property ("control-points", cp);
74 set_grob_direction (lv_ties[i], base[i].dir_);
76 problem.set_debug_scoring (base);
82 MAKE_SCHEME_CALLBACK (Semi_tie_column, calc_head_direction, 1);
84 Semi_tie_column::calc_head_direction (SCM smob)
86 Grob *me = unsmob_grob (smob);
88 extract_grob_set (me, "ties", ties);
90 for (vsize i = 0; i < ties.size (); i++)
92 Direction this_d = to_dir (ties[i]->get_property ("head-direction"));
93 if (i > 0 && d != this_d)
95 programming_error ("all semi-ties in a semi-tie-column should have the same head-direction");
96 return scm_from_int (d);
100 return scm_from_int (d);