lily/axis-group-administration.cc

   1 /*
   2   axis-group.cc -- implement Axis_group_administration
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--1998 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8 #include "interval.hh"
   9 #include "axis-group-administration.hh"
  10 #include "axis-group-element.hh"
  11 #include "graphical-element.hh"
  12 #include "debug.hh"
  13
  14 /** don't copy anything: an element can only be in one
  15   Axis_group_element at one time.  */
  16 Axis_group_administration::Axis_group_administration (Axis_group_administration const&)
  17 {
  18 }
  19
  20 bool
  21 Axis_group_administration::contains_b (Graphical_element const *e) const
  22 {
  23   return elem_l_arr_.find_l (e);
  24 }
  25
  26 Interval
  27 Axis_group_administration::extent (Axis axis) const
  28 {
  29   Interval r;
  30   for (int i=0; i < elem_l_arr_.size(); i++)
  31     r.unite (elem_l_arr_[i]->extent (axis));
  32   return r;
  33 }
  34
  35 void
  36 Axis_group_administration::add_element (Graphical_element*e,
  37                                         Axis_group_element*g, Axis a1, Axis a2)
  38 {
  39   // don't add self to self.
  40   assert (e != g);
  41   Axis_group_element *& g1 = e->axis_group_l_a_[a1];
  42   Axis_group_element *& g2 = e->axis_group_l_a_[a2];
  43
  44   assert (!g1 || g1 == g);
  45   assert (!g2 || g2 == g);
  46   g1 = g;
  47   g2 = g;
  48   elem_l_arr_.push (e);
  49 }
  50
  51
  52
  53 void
  54 Axis_group_administration::remove_element (Graphical_element*e, Axis a1, Axis a2)
  55 {
  56   assert (contains_b (e));
  57   elem_l_arr_.unordered_substitute (e,0);
  58
  59   e->axis_group_l_a_[a1] = 0;
  60   e->axis_group_l_a_[a2] = 0;
  61 }
  62
  63 void
  64 Axis_group_administration::remove_all (Axis a1, Axis a2)
  65 {
  66   for (int i=0; i < elem_l_arr_.size(); i++)
  67     {
  68       Graphical_element*e=elem_l_arr_[i];
  69       e->axis_group_l_a_[a1] = 0;
  70       e->axis_group_l_a_[a2] = 0;
  71     }
  72   elem_l_arr_.clear ();
  73 }
  74
  75
  76 void
  77 Axis_group_administration::print() const
  78 {
  79 #ifndef NPRINT
  80   for (int i=0; i < elem_l_arr_.size(); i++)
  81     DOUT << elem_l_arr_[i]->name () << ' ';
  82 #endif
  83 }