lily/super-elem.cc

   1 /*
   2   super-elem.cc -- implement Super_elem
   3
   4   source file of the LilyPond music typesetter
   5
   6   (c)  1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include "super-element.hh"
  10 #include "line-of-score.hh"
  11 #include "p-score.hh"
  12 #include "string.hh"
  13 #include "tex-outputter.hh"
  14
  15 void
  16 Super_elem::handle_broken_dependencies()
  17 {
  18   lines_arr_ = line_of_score_l_->get_lines();
  19   for (int i =0; i < lines_arr_.size(); i++)
  20     add_dependency (lines_arr_[i]);
  21 }
  22
  23
  24 void
  25 Super_elem::do_substitute_dependency (Score_element*o,Score_element* n)
  26 {
  27   if (line_of_score_l_ == o->access_Spanner ())
  28     line_of_score_l_ = n? (Line_of_score*) n->access_Spanner () : 0;
  29 }
  30
  31 Super_elem::Super_elem()
  32 {
  33   line_of_score_l_ = new Line_of_score ;
  34 }
  35
  36 void
  37 Super_elem::do_add_processing()
  38 {
  39   pscore_l_->typeset_unbroken_spanner (line_of_score_l_);
  40   add_dependency (line_of_score_l_);
  41 }
  42
  43 IMPLEMENT_IS_TYPE_B1(Super_elem,Score_element);
  44
  45
  46 /**
  47     for administration of what was done already
  48     */
  49 enum Score_element_status {
  50   ORPHAN=0,                     // not yet added to pstaff
  51   VIRGIN,                       // added to pstaff
  52   PREBROKEN,
  53   PRECALCING,
  54   PRECALCED,            // calcs before spacing done
  55   SPACING,
  56   SPACED,
  57   BROKEN,
  58   POSTCALCING,          // busy calculating. This is used to trap cyclic deps.
  59   POSTCALCED,           // after spacing calcs done
  60   BREWING,
  61   BREWED,
  62   UNLINKING,
  63   UNLINKED,
  64 };
  65
  66 void
  67 Super_elem::pre_processing ()
  68 {
  69   calcalute_dependencies (PRECALCING, PRECALCED, &Score_element::do_pre_processing);
  70 }
  71
  72 void
  73 Super_elem::space_processing ()
  74 {
  75   calcalute_dependencies (SPACING, SPACED, &Score_element::do_space_processing);
  76 }
  77
  78 /* for break processing, use only one status, because copies have to
  79   have correct status. (Previously,
  80   Score_element::handle_[pre]broken_dependencies assigned to status_i_
  81   */
  82 void
  83 Super_elem::breakable_col_processing ()
  84 {
  85   calcalute_dependencies (PREBROKEN, PREBROKEN, &Score_element::do_breakable_col_processing);
  86 }
  87
  88 void
  89 Super_elem::break_processing ()
  90 {
  91   calcalute_dependencies (BROKEN, BROKEN, &Score_element::do_break_processing);
  92 }
  93 void
  94 Super_elem::post_processing ()
  95 {
  96   calcalute_dependencies (POSTCALCING, POSTCALCED, &Score_element::do_post_processing);
  97 }
  98
  99 void
 100 Super_elem::output_all ()
 101 {
 102   for (int i=0; i < lines_arr_.size(); i++)
 103     {
 104       pscore_l_->outputter_l_->start_line ();
 105       lines_arr_[i]->calcalute_dependencies (BREWING, BREWED, &Score_element::do_brew_molecule);
 106       pscore_l_->outputter_l_->stop_line ();
 107     }
 108 }
 109
 110
 111
 112 void
 113 Super_elem::unlink_all ()
 114 {
 115   calcalute_dependencies (UNLINKING, UNLINKED, &Score_element::junk_links);
 116 }
 117