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
  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->inside_staff_b_ , s_l->dir_) ].push (s_l);
  57     }
  58
  59   for (int j =0; j <4; j++)
  60     {
  61       placed_l_arr_a[j].sort (Script::compare);
  62     }
  63
  64
  65   for (int j =0; j < 4; j++)
  66     {
  67       if (placed_l_arr_a[j].size())
  68         for (int i=0; i  < support_l_arr_.size(); i++)
  69           placed_l_arr_a[j][0]->add_support (support_l_arr_[i]);
  70     }
  71
  72   Item * support_l=0;
  73   int j = 0;
  74   for (; j < 2; j++)
  75     {
  76       for (int i=0; i < placed_l_arr_a[j].size(); i++)
  77         {
  78           if (support_l)
  79             placed_l_arr_a[j][i]->add_support (support_l);
  80           support_l = placed_l_arr_a[j][i];
  81         }
  82     }
  83   support_l = 0;
  84   for (; j < 4; j++)
  85     {
  86       for (int i=0; i < placed_l_arr_a[j].size(); i++)
  87         {
  88           if (support_l)
  89             placed_l_arr_a[j][i]->add_support (support_l);
  90           support_l = placed_l_arr_a[j][i];
  91         }
  92     }
  93 }
  94
  95
  96 void
  97 Script_column::add_support (Item*i_l)
  98 {
  99   support_l_arr_.push (i_l);
 100   add_dependency (i_l);
 101   add_element (i_l);
 102 }
 103
 104 void
 105 Script_column::do_substitute_dependency (Score_elem*o,Score_elem*n)
 106 {
 107   if (o->item())
 108     {
 109       script_l_arr_.substitute ((Script*)o->item(),(Script*) (n?n->item ():0));
 110       support_l_arr_.substitute (o->item(), (n?n->item ():0));
 111     }
 112 }