lily/graphical-axis-group.cc

   1 /*
   2   axis-group.cc -- implement Graphical_axis_group
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include "dimension-cache.hh"
  10 #include "interval.hh"
  11 #include "graphical-axis-group.hh"
  12 #include "axis-group-element.hh"
  13 #include "graphical-element.hh"
  14 #include "debug.hh"
  15
  16 /** don't copy anything: an element can only be in one
  17   Graphical_axis_group at one time. */
  18 Graphical_axis_group::Graphical_axis_group(Graphical_axis_group const&s)
  19 {
  20   axes_[0] = s.axes_[0];
  21   axes_[1] = s.axes_[1];
  22   ordered_b_ = s.ordered_b_;
  23 }
  24
  25 bool
  26 Graphical_axis_group::contains_b (Graphical_element const *e) const
  27 {
  28   return elem_l_arr_.find_l (e);
  29 }
  30
  31 Interval
  32 Graphical_axis_group::extent (Axis axis) const
  33 {
  34   Interval r;
  35   for (int i=0; i < elem_l_arr_.size(); i++)
  36     {
  37       r.unite (elem_l_arr_[i]->extent (axis)
  38                + elem_l_arr_[i]->relative_coordinate (this, axis)
  39                );
  40     }
  41   return r;
  42 }
  43
  44 void
  45 Graphical_axis_group::add_element (Graphical_element*e, Axis a1 , Axis a2)
  46 {
  47   used_b_ =true;
  48   e->used_b_ = true;
  49
  50   Axis as[2] = {
  51     (a1 == NO_AXES) ? axes_[0] : a1,
  52     (a2 == NO_AXES) ? axes_[1] : a2,
  53   };
  54
  55
  56
  57   for (int i = 0; i < 2; i++)
  58     {
  59       if (e->parent_l (as[i]))
  60         continue;
  61
  62       e->set_parent (this, as[i]);
  63
  64       //      e->dim_cache_[as[i]]->dependencies_l_arr_.push (dim_cache_[as[i]]);
  65     }
  66   assert (e->parent_l(Y_AXIS) == this || e->parent_l (X_AXIS) == this);
  67   elem_l_arr_.push (e);
  68 }
  69
  70
  71 /**
  72    ugr. duplication of functionality with remove_all ()
  73  */
  74 void
  75 Graphical_axis_group::remove_element (Graphical_element*e)
  76 {
  77   assert (contains_b (e));
  78   if (ordered_b_)
  79     elem_l_arr_.substitute (e,0);
  80   else
  81     elem_l_arr_.unordered_substitute (e,0);
  82
  83   do_remove (e);
  84 }
  85
  86 void
  87 Graphical_axis_group::do_remove (Graphical_element *e)
  88 {
  89   for (int i=0; i<  2; i++)
  90     {
  91       Axis a=axes_[i];
  92       if (e->parent_l (a) != this)
  93         continue;
  94       e->set_parent (0, a);
  95       //      e->dim_cache_[a]->dependencies_l_arr_.clear ();
  96     }
  97 }
  98
  99 void
 100 Graphical_axis_group::remove_all ()
 101 {
 102   for (int i=0; i < elem_l_arr_.size(); i++)
 103     do_remove (elem_l_arr_[i]);
 104
 105   elem_l_arr_.clear ();
 106 }
 107
 108
 109 void
 110 Graphical_axis_group::do_print() const
 111 {
 112 #ifndef NPRINT
 113   for (int i=0; i < elem_l_arr_.size(); i++)
 114     DEBUG_OUT << classname(elem_l_arr_[i]) << " ";
 115 #endif
 116 }
 117
 118 Graphical_axis_group::Graphical_axis_group ()
 119 {
 120   ordered_b_ = false;
 121   axes_[0] = (Axis)-1 ;
 122   axes_[1] = (Axis)-1 ;
 123 }
 124
 125 void
 126 Graphical_axis_group::set_axes (Axis a1, Axis a2)
 127 {
 128   axes_[0] = a1 ;
 129   axes_[1] = a2 ;
 130 }