lily/axis-group.cc

   1 /*
   2   axis-group.cc -- implement Axis_group_administration
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8 #include "interval.hh"
   9 #include "axis-group-administration.hh"
  10 #include "score-elem.hh"
  11 #include "debug.hh"
  12
  13 /** don't copy anything: an element can only be in one
  14   Axis_group_element at one time.  */
  15 Axis_group_administration::Axis_group_administration (Axis_group_administration const&)
  16 {
  17 }
  18
  19 bool
  20 Axis_group_administration::contains_b (Score_elem const *e) const
  21 {
  22   return elem_l_arr_.find_l (e);
  23 }
  24
  25 Interval
  26 Axis_group_administration::extent (Axis axis) const
  27 {
  28   Interval r;
  29   for (int i=0; i < elem_l_arr_.size(); i++)
  30     r.unite (elem_l_arr_[i]->extent (axis));
  31   return r;
  32 }
  33
  34 void
  35 Axis_group_administration::add_element (Score_elem*e,
  36                                         Axis_group_element*g, Axis a1, Axis a2)
  37 {
  38   Axis_group_element *& g1=e->axis_group_l_a_[a1];
  39   Axis_group_element *& g2 = e->axis_group_l_a_[a2];
  40
  41   assert (!g1 || g1 == g);
  42   assert (!g2 || g2 == g);
  43   g1 = g;
  44   g2 = g;
  45   elem_l_arr_.push (e);
  46 }
  47
  48
  49
  50 void
  51 Axis_group_administration::remove_element (Score_elem*e, Axis a1, Axis a2)
  52 {
  53   assert (contains_b (e));
  54   elem_l_arr_.unordered_substitute (e,0);
  55
  56   e->axis_group_l_a_[a1] = 0;
  57   e->axis_group_l_a_[a2] = 0;
  58 }
  59
  60 void
  61 Axis_group_administration::remove_all (Axis a1, Axis a2)
  62 {
  63   for (int i=0; i < elem_l_arr_.size(); i++)
  64     {
  65       Score_elem*e=elem_l_arr_[i];
  66       e->axis_group_l_a_[a1] = 0;
  67       e->axis_group_l_a_[a2] = 0;
  68     }
  69   elem_l_arr_.clear();
  70 }
  71
  72
  73 void
  74 Axis_group_administration::print() const
  75 {
  76 #ifndef NPRINT
  77   for (int i=0; i < elem_l_arr_.size(); i++)
  78     DOUT << elem_l_arr_[i]->name() << ' ';
  79 #endif
  80 }