lily/tie-helper.cc

   1 /*
   2   tie-helper.cc -- implement Tie_configuration, Tie_details
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 2005--2006 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-formatting-problem.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
  24 void
  25 Tie_details::from_grob (Grob *me)
  26 {
  27   staff_symbol_referencer_ = me;
  28   staff_space_ = Staff_symbol_referencer::staff_space (me);
  29
  30   SCM details = me->get_property ("details");
  31
  32   height_limit_ = get_real_detail("height-limit", 0.75);
  33   ratio_ = get_real_detail("ratio", .333);
  34   between_length_limit_ = get_real_detail ("between-length-limit", 1.0);
  35
  36   wrong_direction_offset_penalty_ = get_real_detail("wrong-direction-offset-penalty", 10);
  37
  38   length_penalty_factor_ = get_real_detail("length-penalty-factor", 1.0);
  39   min_length_ = get_real_detail("min-length", 0.333);
  40
  41   // in half-space
  42   center_staff_line_clearance_ = get_real_detail ("center-staff-line-clearance", 0.4);
  43   tip_staff_line_clearance_ = get_real_detail ("tip-staff-line-clearance", 0.4);
  44   staff_line_collision_penalty_ = get_real_detail("staff-line-collision-penalty", 5);
  45   dot_collision_clearance_ = get_real_detail ( "dot-collision-clearance", 0.25);
  46   dot_collision_penalty_ = get_real_detail ( "dot-collision-penalty", 0.25);
  47   x_gap_ = get_real_detail ("note-head-gap", 0.2);
  48   stem_gap_ = get_real_detail ("stem-gap", 0.3);
  49   tie_column_monotonicity_penalty_ = get_real_detail ("tie-column-monotonicity-penalty", 100);
  50   tie_tie_collision_penalty_ = get_real_detail ("tie-tie-collision-penalty", 30);
  51   tie_tie_collision_distance_ = get_real_detail ("tie-tie-collision-distance", .25);
  52   horizontal_distance_penalty_factor_ = get_real_detail ("horizontal-distance-penalty-factor", 5);
  53   vertical_distance_penalty_factor_ = get_real_detail ("vertical-distance-penalty-factor", 5);
  54   intra_space_threshold_ = get_real_detail ("intra-space-threshold", 1.0);
  55   outer_tie_length_symmetry_penalty_factor_ = get_real_detail ("outer-tie-length-symmetry-penalty-factor", 3.0);
  56   outer_tie_vertical_distance_symmetry_penalty_factor_ = get_real_detail ("outer-tie-vertical-distance-symmetry-penalty-factor", 3.0);
  57
  58 }
  59
  60 Tie_details::Tie_details ()
  61 {
  62   staff_space_ = 1.0;
  63   height_limit_ = 1.0;
  64   ratio_ = .333;
  65 }
  66