release: 1.1.1

[lilypond.git] / lily / script.cc

diff --git a/lily/script.cc b/lily/script.cc
index b350c8e7c91a0ac39946c8901ebc5c9f4de5c471..c7e5d4177050a6481fcfc3882adb8b2dc06687b3 100644 (file)
--- a/lily/script.cc
+++ b/lily/script.cc
@@ -1,11 +1,11 @@
 /*
   script.cc -- implement Script
 
-  source file of the LilyPond music typesetter
+  source file of the GNU LilyPond music typesetter
 
-  (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+  (c)  1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
-
+#include "script-def.hh"
 #include "musical-request.hh"
 #include "paper-def.hh"
 #include "script.hh"
@@ -13,92 +13,135 @@
 #include "molecule.hh"
 #include "lookup.hh"
 
+void
+Script::do_print () const
+{
+#ifndef NPRINT
+  specs_p_->print ();
+#endif
+}
 
+void
+Script::do_substitute_dependency (Score_element*o,Score_element*n)
+{
+  Staff_side::do_substitute_dependency (o,n);
+  if (o == stem_l_)
+    {
+      stem_l_ = dynamic_cast<Stem *> (n);
+    }
+}
 
 void
-Script::set_stem(Stem*st_l)
+Script::set_stem (Stem*st_l)
 {
-    stem_l_ = st_l;
-    add_support(st_l);
+  stem_l_ = st_l;
+  add_support (st_l);
 }
 
 
-Script::Script(Script_req* rq)
-    :Staff_side(this)
-{    
-    specs_l_ = rq->scriptdef_p_;
-    inside_staff_b_ = specs_l_->inside_staff_b_;
-    stem_l_ = 0;
-    pos_i_ = 0;
-    symdir_i_=1;
-    dir_i_ =rq->dir_i_;
+Script::Script ()
+{
+  axis_ = Y_AXIS;
+  specs_p_ = 0;
+  stem_l_ = 0;
+  postbreak_only_b_ = true;
+  dir_ =  CENTER;
 }
 
 void
-Script::set_symdir()
+Script::set_default_dir ()
 {
-    if (specs_l_->invertsym_b_)
-       symdir_i_ = (dir_i_ < 0) ? -1:1;
+  int s_i=specs_p_->rel_stem_dir ();
+  if (s_i)
+    {
+      if (stem_l_)
+       dir_ = Direction (stem_l_->dir_ * s_i);
+      else
+       {
+         specs_p_->warning (_ ("script needs stem direction"));
+         dir_ = DOWN;
+       }
+    }
+  else
+    {
+      dir_ =specs_p_->staff_dir ();
+    }
+  assert (dir_);
 }
 
-void
-Script::set_default_dir()
+
+Interval
+Script::do_width () const
 {
-    int s_i=specs_l_->rel_stem_dir_i_;
-    if (s_i && stem_l_)
-       dir_i_ = stem_l_->dir_i_ * s_i;
-    else {
-       dir_i_ =specs_l_->staff_dir_i_;
-    }
+  return specs_p_->get_atom (paper (), dir_).extent ().x ();
 }
 
 void
-Script::set_default_index()
+Script::do_pre_processing ()
 {
-    pos_i_ = get_position_i(symbol().dim.y);
+  Staff_side::do_pre_processing ();
+  if (breakable_b_ && postbreak_only_b_ && (break_status_dir () != RIGHT))
+    {
+      transparent_b_ = true;
+      set_empty (true);
+    }
+  
+  if (axis_ == Y_AXIS && !dir_)
+    set_default_dir ();
 }
 
 Interval
-Script::do_width() const
+Script::symbol_height () const
 {
-    return symbol().dim.x;
+  return specs_p_->get_atom (paper (), dir_).extent ().y ();
 }
 
-Symbol
-Script::symbol()const
+Interval
+Script::symbol_width () const
 {
-    String preidx_str = (symdir_i_ < 0) ?"-" :"";
-    return paper()->lookup_l()->script(preidx_str + specs_l_->symidx);
+  return specs_p_->width (paper ());
 }
 
-void
-Script::do_pre_processing()
+Molecule*
+Script::brew_molecule_p () const
 {
-    if (!dir_i_)
-       set_default_dir();
-    set_symdir();
+  Real dx =0.;
+
+  Molecule*mol_p = new Molecule (specs_p_->get_atom (paper (), dir_));
+  /*
+    ugh, staccato dots are not centred between stafflines (how?)?
+  */
+  Real correct =0.0;
+  if (axis_ == Y_AXIS){
+    dx =  paper ()->note_width ()/2;
+    correct = - (Real)dir_ * 2.0 * paper ()->rule_thickness ();
+    mol_p->translate_axis (dx, X_AXIS);        // FIXME! ugh
+  }
+  
+  mol_p->translate_axis (coordinate_offset_f_ + correct, axis_);
+
+  return mol_p;
 }
 
-void
-Script::do_post_processing()
+
+IMPLEMENT_IS_TYPE_B2 (Script,Item,Staff_side);
+
+int
+Script::compare (Script  *const&l1, Script *const&l2)
 {
-    set_default_index();
+  return l1->specs_p_->priority_i() - l2->specs_p_->priority_i ();
 }
 
-Molecule*
-Script::brew_molecule_p() const
+Script::~Script ()
 {
-    Real dy = paper()->internote();
-    
-    Molecule*out = new Molecule(Atom(symbol()));
-    out->translate(Offset(0,dy * pos_i_));
-    return out;
+  delete specs_p_;
 }
-IMPLEMENT_STATIC_NAME(Script);
-
-int 
-Script::compare(Script  *const&l1, Script *const&l2) 
+ 
+Script::Script (Script const&s)
+  : Item (s), Staff_side(s)
 {
-    return l1->specs_l_->priority_i_ - l2->specs_l_->priority_i_;
+  specs_p_ = s.specs_p_ ? s.specs_p_->clone (): 0;
+  stem_l_ =s.stem_l_;
+  postbreak_only_b_ = s.postbreak_only_b_;
 }
-    
+