lily/tie-details.cc

   1 /*
   2   This file is part of LilyPond, the GNU music typesetter.
   3
   4   Copyright (C) 2005--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
   5
   6
   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.
  11
  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.
  16
  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/>.
  19 */
  20
  21 #include "tie.hh"
  22 #include "bezier.hh"
  23 #include "grob.hh"
  24 #include "staff-symbol-referencer.hh"
  25 #include "warn.hh"
  26 #include "tie-details.hh"
  27
  28
  29 /*
  30   this is a macro because we want ly_symbol2scm()
  31  */
  32 #define get_real_detail(src, defvalue) \
  33   robust_scm2double(ly_assoc_get (ly_symbol2scm (src), details, SCM_EOL), defvalue)
  34 #define get_int_detail(src, defvalue) \
  35   robust_scm2int(ly_assoc_get (ly_symbol2scm (src), details, SCM_EOL), defvalue)
  36
  37 void
  38 Tie_details::from_grob (Grob *me)
  39 {
  40   staff_symbol_referencer_ = me;
  41   staff_space_ = Staff_symbol_referencer::staff_space (me);
  42
  43   neutral_direction_ = to_dir (me->get_property ("neutral-direction"));
  44   if (!neutral_direction_)
  45     neutral_direction_ = DOWN;
  46
  47   SCM details = me->get_property ("details");
  48
  49   height_limit_ = get_real_detail ("height-limit", 0.75);
  50   ratio_ = get_real_detail ("ratio", .333);
  51   between_length_limit_ = get_real_detail ("between-length-limit", 1.0);
  52
  53   wrong_direction_offset_penalty_ = get_real_detail ("wrong-direction-offset-penalty", 10);
  54
  55   min_length_ = get_real_detail ("min-length", 1.0);
  56   min_length_penalty_factor_ = get_real_detail ("min-length-penalty-factor", 1.0);
  57
  58
  59   // in half-space
  60   center_staff_line_clearance_ = get_real_detail ("center-staff-line-clearance", 0.4);
  61   tip_staff_line_clearance_ = get_real_detail ("tip-staff-line-clearance", 0.4);
  62   staff_line_collision_penalty_ = get_real_detail ("staff-line-collision-penalty", 5);
  63   dot_collision_clearance_ = get_real_detail ( "dot-collision-clearance", 0.25);
  64   dot_collision_penalty_ = get_real_detail ( "dot-collision-penalty", 0.25);
  65   x_gap_ = get_real_detail ("note-head-gap", 0.2);
  66   stem_gap_ = get_real_detail ("stem-gap", 0.3);
  67   tie_column_monotonicity_penalty_ = get_real_detail ("tie-column-monotonicity-penalty", 100);
  68   tie_tie_collision_penalty_ = get_real_detail ("tie-tie-collision-penalty", 30);
  69   tie_tie_collision_distance_ = get_real_detail ("tie-tie-collision-distance", .25);
  70   horizontal_distance_penalty_factor_ = get_real_detail ("horizontal-distance-penalty-factor", 5);
  71   same_dir_as_stem_penalty_ = get_real_detail ("same-dir-as-stem-penalty", 20);
  72   vertical_distance_penalty_factor_ = get_real_detail ("vertical-distance-penalty-factor", 5);
  73   intra_space_threshold_ = get_real_detail ("intra-space-threshold", 1.0);
  74   outer_tie_length_symmetry_penalty_factor_ = get_real_detail ("outer-tie-length-symmetry-penalty-factor", 3.0);
  75   outer_tie_vertical_distance_symmetry_penalty_factor_ = get_real_detail ("outer-tie-vertical-distance-symmetry-penalty-factor", 3.0);
  76
  77   outer_tie_vertical_gap_ = get_real_detail ("outer-tie-vertical-gap", 0.15);
  78
  79   single_tie_region_size_ = get_int_detail ("single-tie-region-size", 3);
  80   skyline_padding_ = get_real_detail ("skyline-padding", 0.05);
  81   multi_tie_region_size_ = get_int_detail ("multi-tie-region-size", 1);
  82 }
  83
  84 Tie_details::Tie_details ()
  85 {
  86   staff_space_ = 1.0;
  87   height_limit_ = 1.0;
  88   ratio_ = .333;
  89 }
  90