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