lily/script-column.cc

   1 /*
   2   script-column.cc -- implement Script_column
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9 #include "script-column.hh"
  10 #include "debug.hh"
  11 #include "script.hh"
  12 #include "note-head.hh"
  13 #include "stem.hh"
  14 #include "general-script-def.hh"
  15
  16 IMPLEMENT_IS_TYPE_B1(Script_column,Horizontal_vertical_group_item);
  17
  18
  19 void
  20 Script_column::add (Script*s_l)
  21 {
  22   script_l_arr_.push (s_l);
  23   add_dependency (s_l);
  24   add_element (s_l);
  25 }
  26
  27
  28 void
  29 Script_column::do_print() const
  30 {
  31 #ifndef NPRINT
  32   DOUT << "scripts: " << script_l_arr_.size() << '\n';
  33 #endif
  34 }
  35
  36 static int
  37 idx (bool inside, int dir)
  38 {
  39   int j = (dir+1);
  40   if (!inside)
  41     j ++;
  42   return j;
  43 }
  44
  45 void
  46 Script_column::do_pre_processing()
  47 {
  48   if (!script_l_arr_.size())
  49     return;
  50
  51   /* up+inside, up+outside, down+inside, down+outside */
  52   Array<Script*> placed_l_arr_a[4];
  53   for (int i=0; i < script_l_arr_.size(); i++)
  54     {
  55       Script*s_l = script_l_arr_[i];
  56       placed_l_arr_a[idx (s_l->specs_l_->inside_b(),
  57                           s_l->dir_) ].push (s_l);
  58     }
  59
  60   for (int j =0; j <4; j++)
  61     {
  62       placed_l_arr_a[j].sort (Script::compare);
  63     }
  64
  65
  66   for (int j =0; j < 4; j++)
  67     {
  68       if (placed_l_arr_a[j].size())
  69         for (int i=0; i  < support_l_arr_.size(); i++)
  70           placed_l_arr_a[j][0]->add_support (support_l_arr_[i]);
  71     }
  72
  73   Item * support_l=0;
  74   int j = 0;
  75   for (; j < 2; j++)
  76     {
  77       for (int i=0; i < placed_l_arr_a[j].size(); i++)
  78         {
  79           if (support_l)
  80             placed_l_arr_a[j][i]->add_support (support_l);
  81           support_l = placed_l_arr_a[j][i];
  82         }
  83     }
  84   support_l = 0;
  85   for (; j < 4; j++)
  86     {
  87       for (int i=0; i < placed_l_arr_a[j].size(); i++)
  88         {
  89           if (support_l)
  90             placed_l_arr_a[j][i]->add_support (support_l);
  91           support_l = placed_l_arr_a[j][i];
  92         }
  93     }
  94 }
  95
  96
  97 void
  98 Script_column::add_support (Item*i_l)
  99 {
 100   support_l_arr_.push (i_l);
 101   add_dependency (i_l);
 102   add_element (i_l);
 103 }
 104
 105 void
 106 Script_column::do_substitute_dependency (Score_elem*o,Score_elem*n)
 107 {
 108   if (o->item())
 109     {
 110       script_l_arr_.substitute ((Script*)o->item(),(Script*) (n?n->item ():0));
 111       support_l_arr_.substitute (o->item(), (n?n->item ():0));
 112     }
 113 }