X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fextender-spanner.cc;h=a9eb6640c59dd66286073bd1adc46401b6123d9b;hb=01d84d552854fb399bd0e819502c6c2db2a1b214;hp=4a06ed13f6d16b578d95241178372f4fb296fe65;hpb=25c92bfff1189d93b80cdef0da0d570d14834c8d;p=lilypond.git

diff --git a/lily/extender-spanner.cc b/lily/extender-spanner.cc
index 4a06ed13f6..a9eb6640c5 100644
--- a/lily/extender-spanner.cc
+++ b/lily/extender-spanner.cc
@@ -6,116 +6,74 @@
   (c) 1998, 1999 Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
+/*
+  TODO: too complicated implementation.  Why the dx_drul?.
+ */
 
+#
+#include "dimension-cache.hh"
 #include "box.hh"
 #include "debug.hh"
 #include "lookup.hh"
 #include "molecule.hh"
-#include "p-col.hh"
+#include "paper-column.hh"
 #include "paper-def.hh"
 #include "extender-spanner.hh"
 
 Extender_spanner::Extender_spanner ()
   : Directional_spanner ()
 {
-  item_l_drul_[LEFT] = item_l_drul_[RIGHT] = 0;
-  dy_f_drul_[LEFT] = dy_f_drul_[RIGHT] = 0.0;
   dx_f_drul_[LEFT] = dx_f_drul_[RIGHT] = 0.0;
+  dim_cache_[Y_AXIS]->set_callback (Dimension_cache::point_dimension_callback);
 }
 
-Extender_spanner::Extender_spanner (Extender_spanner const& c)
-  : Directional_spanner (c)
-{
-  item_l_drul_ = c.item_l_drul_;
-  dy_f_drul_ = c.dy_f_drul_;
-  dx_f_drul_ = c.dx_f_drul_;
-}
-
-Extender_spanner::~Extender_spanner ()
-{
-}
 
-Offset
-Extender_spanner::center () const
-{
-  Real dx = extent (X_AXIS).length ();
 
-  return Offset (dx / 2, 0);
-}
 
 Molecule*
 Extender_spanner::do_brew_molecule_p () const
 {
   Molecule* mol_p = new Molecule;
 
-  Real w = extent (X_AXIS).length ();
+  Real w = spanner_length ();
   
   w += (dx_f_drul_[RIGHT] - dx_f_drul_[LEFT]);
-  Real h = paper ()->get_realvar (ly_symbol ("extender_height"));
+  Real h = paper_l ()->get_var ("extender_height");
   Molecule a = lookup_l ()->filledbox ( Box (Interval (0,w), Interval (0,h)));
-  a.translate (Offset (dx_f_drul_[LEFT], dy_f_drul_[LEFT]));
+  a.translate (Offset (dx_f_drul_[LEFT], 0));
 
   mol_p->add_molecule (a);
 
   return mol_p;
 }
 
-void
-Extender_spanner::do_add_processing ()
-{
-  Direction d = LEFT;
-  Drul_array<Item *> new_textitem_drul = item_l_drul_;
-  do {
-    if (!item_l_drul_[d])
-      new_textitem_drul[d] = item_l_drul_[(Direction)-d];
-  } while (flip(&d) != LEFT);
-  item_l_drul_ = new_textitem_drul;
-}
 
-Interval
-Extender_spanner::do_height () const
-{
-  return Interval (0,0);
-}
 
 void
 Extender_spanner::do_post_processing ()
 {
-  assert (item_l_drul_[LEFT] || item_l_drul_[RIGHT]);
-
   // UGH
-  Real nw_f = paper ()->note_width () * 0.8;
+  Real gap = paper_l ()->get_var ("interline");
 
   Direction d = LEFT;
   do
     {
-      Item* t = item_l_drul_[d]
-	? item_l_drul_[d] : item_l_drul_[(Direction)-d];
+      Item* t = spanned_drul_[d]
+	? spanned_drul_[d] : spanned_drul_[(Direction)-d];
       if (d == LEFT)
         dx_f_drul_[d] += t->extent (X_AXIS).length ();
       else
-	dx_f_drul_[d] -= d * nw_f / 2;
+	dx_f_drul_[d] -= d * gap / 2;
     }
   while (flip(&d) != LEFT);
 }
 
-void
-Extender_spanner::do_substitute_dependency (Score_element* o, Score_element* n)
-{
-  Item* new_l = n ? dynamic_cast<Item *> (n) : 0;
-  if (dynamic_cast <Item *> (o) == item_l_drul_[LEFT])
-    item_l_drul_[LEFT] = new_l;
-  else if (dynamic_cast <Item *> (o) == item_l_drul_[RIGHT])
-    item_l_drul_[RIGHT] = new_l;
-}
   
 void
 Extender_spanner::set_textitem (Direction d, Item* textitem_l)
 {
-  assert (!item_l_drul_[d]);
-  item_l_drul_[d] = textitem_l;
   set_bounds (d, textitem_l);
-
   add_dependency (textitem_l);
 }
 
+