release: 1.3.80

[lilypond.git] / lily / rest.cc

diff --git a/lily/rest.cc b/lily/rest.cc
index 0a7dc7419a8b8cfe7b847a910743b7eaf94f904f..dcff3064226b85e6e345e2a6635674194fc627b2 100644 (file)
--- a/lily/rest.cc
+++ b/lily/rest.cc
@@ -1,9 +1,9 @@
 /*
-  rest.cc -- implement 
+ rest.cc -- implement Rest
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+  (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
 #include "molecule.hh"
@@ -11,36 +11,65 @@
 #include "lookup.hh"
 #include "rest.hh"
 #include "dots.hh"
-#include "axis-group-element.hh"
-#include "p-score.hh"
+#include "paper-score.hh"
+#include "staff-symbol-referencer.hh"
 
-void
-Rest::do_add_processing ()
+// -> offset callback
+MAKE_SCHEME_CALLBACK(Rest,after_line_breaking);
+SCM
+Rest::after_line_breaking (SCM smob)
 {
-  if (balltype_i_ == 0)
-    position_i_ += 6;
-  else if (balltype_i_ == 1)
-    position_i_ += 4;
-  Rhythmic_head::do_add_processing ();
-  if (dots_l_)
-      dots_l_->position_i_ = position_i_;
-}
+  Score_element *me = unsmob_element (smob);
+  int bt = gh_scm2int (me->get_elt_property ("duration-log"));
+  if (bt == 0)
+    {
+      me->translate_axis (Staff_symbol_referencer::staff_space (me) , Y_AXIS);
+    }
 
-Rest::Rest ()
-{
-  position_i_ =0;
+  Score_element * d = unsmob_element (me->get_elt_property ("dot"));
+  if (d && bt > 4) // UGH.
+    {
+      d->set_elt_property ("staff-position",
+                          gh_int2scm ((bt == 7) ? 4 : 3));
+    }
+
+  return SCM_UNSPECIFIED;
 }
 
-Molecule *
-Rest::brew_molecule_p () const
+
+MAKE_SCHEME_CALLBACK(Rest,brew_molecule)
+SCM 
+Rest::brew_molecule (SCM smob) 
 {
-  int staff_size_i_ =8;
-  bool streepjes_b = (position_i_<-1) || (position_i_ > staff_size_i_+1);
+  Score_element* me = unsmob_element (smob);
+  
+  bool ledger_b =false;
+
+  SCM balltype = me->get_elt_property ("duration-log");
   
-  Atom s(paper ()->lookup_l()->rest (balltype_i_, streepjes_b));
-  Molecule * m = new Molecule ( Atom (s));
-  m->translate (position_i_ *  paper ()->internote_f (), Y_AXIS);
-  return m;
+  if (balltype == gh_int2scm (0) || balltype == gh_int2scm (1))
+    {
+      int sz = Staff_symbol_referencer::line_count (me);
+      Real dif = abs(Staff_symbol_referencer::position_f (me)  - (2* gh_scm2int (balltype) - 1)); 
+      ledger_b = dif > sz;
+    }
+  
+  String style; 
+  SCM style_sym =me->get_elt_property ("style");
+  if (gh_scm2int (balltype) >= 2 && gh_string_p (style_sym))
+    {
+      style = ly_scm2string (style_sym);
+    }
+
+  String idx =  ("rests-") + to_str (gh_scm2int (balltype))
+    + (ledger_b ? "o" : "") + style;
+
+  return me-> lookup_l ()->afm_find (idx).create_scheme();
 }
 
-IMPLEMENT_IS_TYPE_B1(Rest, Rhythmic_head);
+
+bool
+Rest::has_interface (Score_element*m)
+{
+  return m && m->has_interface (ly_symbol2scm ("rest-interface"));
+}