lily/tie-details.cc

   1 /*
   2   tie-details.cc -- implement Tie_configuration, Tie_details
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 2005--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
   7
   8 */
   9
  10 #include "tie.hh"
  11 #include "bezier.hh"
  12 #include "grob.hh"
  13 #include "staff-symbol-referencer.hh"
  14 #include "warn.hh"
  15 #include "tie-details.hh"
  16
  17
  18 /*
  19   this is a macro because we want ly_symbol2scm()
  20  */
  21 #define get_real_detail(src, defvalue) \
  22   robust_scm2double(ly_assoc_get (ly_symbol2scm (src), details, SCM_EOL), defvalue)
  23 #define get_int_detail(src, defvalue) \
  24   robust_scm2int(ly_assoc_get (ly_symbol2scm (src), details, SCM_EOL), defvalue)
  25
  26 void
  27 Tie_details::from_grob (Grob *me)
  28 {
  29   staff_symbol_referencer_ = me;
  30   staff_space_ = Staff_symbol_referencer::staff_space (me);
  31
  32   neutral_direction_ = to_dir (me->get_property ("neutral-direction"));
  33   if (!neutral_direction_)
  34     neutral_direction_ = DOWN;
  35
  36   SCM details = me->get_property ("details");
  37
  38   height_limit_ = get_real_detail ("height-limit", 0.75);
  39   ratio_ = get_real_detail ("ratio", .333);
  40   between_length_limit_ = get_real_detail ("between-length-limit", 1.0);
  41
  42   wrong_direction_offset_penalty_ = get_real_detail ("wrong-direction-offset-penalty", 10);
  43
  44   min_length_ = get_real_detail ("min-length", 1.0);
  45   min_length_penalty_factor_ = get_real_detail ("min-length-penalty-factor", 1.0);
  46
  47
  48   // in half-space
  49   center_staff_line_clearance_ = get_real_detail ("center-staff-line-clearance", 0.4);
  50   tip_staff_line_clearance_ = get_real_detail ("tip-staff-line-clearance", 0.4);
  51   staff_line_collision_penalty_ = get_real_detail ("staff-line-collision-penalty", 5);
  52   dot_collision_clearance_ = get_real_detail ( "dot-collision-clearance", 0.25);
  53   dot_collision_penalty_ = get_real_detail ( "dot-collision-penalty", 0.25);
  54   x_gap_ = get_real_detail ("note-head-gap", 0.2);
  55   stem_gap_ = get_real_detail ("stem-gap", 0.3);
  56   tie_column_monotonicity_penalty_ = get_real_detail ("tie-column-monotonicity-penalty", 100);
  57   tie_tie_collision_penalty_ = get_real_detail ("tie-tie-collision-penalty", 30);
  58   tie_tie_collision_distance_ = get_real_detail ("tie-tie-collision-distance", .25);
  59   horizontal_distance_penalty_factor_ = get_real_detail ("horizontal-distance-penalty-factor", 5);
  60   same_dir_as_stem_penalty_ = get_real_detail ("same-dir-as-stem-penalty", 20);
  61   vertical_distance_penalty_factor_ = get_real_detail ("vertical-distance-penalty-factor", 5);
  62   intra_space_threshold_ = get_real_detail ("intra-space-threshold", 1.0);
  63   outer_tie_length_symmetry_penalty_factor_ = get_real_detail ("outer-tie-length-symmetry-penalty-factor", 3.0);
  64   outer_tie_vertical_distance_symmetry_penalty_factor_ = get_real_detail ("outer-tie-vertical-distance-symmetry-penalty-factor", 3.0);
  65
  66   outer_tie_vertical_gap_ = get_real_detail ("outer-tie-vertical-gap", 0.15);
  67
  68   single_tie_region_size_ = get_int_detail ("single-tie-region-size", 3);
  69   skyline_padding_ = get_real_detail ("skyline-padding", 0.05);
  70   multi_tie_region_size_ = get_int_detail ("multi-tie-region-size", 1);
  71 }
  72
  73 Tie_details::Tie_details ()
  74 {
  75   staff_space_ = 1.0;
  76   height_limit_ = 1.0;
  77   ratio_ = .333;
  78 }
  79