partial: 0.1.61.jcn

[lilypond.git] / lily / key-item.cc

diff --git a/lily/key-item.cc b/lily/key-item.cc
index 726af8cb3065c2d959546121406cfebade8d9982..d80f01670dda03f6d76f5524e3708d7995004fe3 100644 (file)
--- a/lily/key-item.cc
+++ b/lily/key-item.cc
@@ -1,70 +1,102 @@
+/*
+  key-item.cc -- implement Key_item
+
+  source file of the GNU LilyPond music typesetter
+
+  (c) 1996,1997 Han-Wen Nienhuys <hanwen@stack.nl>
+
+  keyplacement by Mats Bengtsson
+*/
+
 #include "key-item.hh"
 #include "key.hh"
 #include "debug.hh"
 #include "molecule.hh"
 #include "paper-def.hh"
 #include "lookup.hh"
-//#include "clef-reg.hh"
-#include "key-reg.hh"
+
+#include "key-grav.hh"
 
 const int FLAT_TOP_PITCH=2; /* fes,ges,as and bes typeset in lower octave */
 const int SHARP_TOP_PITCH=4; /*  ais and bis typeset in lower octave */
 
-
-
-Key_item::Key_item(int c)
+Key_item::Key_item (int c)
 {
-    set_c_position(c);
+  breakable_b_ =true;
+  default_b_ = false;
+  set_c_position (c);
 }
 
 void
-Key_item::read(Key_register const & key_reg_r)
+Key_item::read (Key_engraver const & key_grav_r)
 {
-    const Array<int> &idx_arr =key_reg_r.accidental_idx_arr_; 
-    for (int i = 0 ; i< idx_arr.size(); i++) {
-       int note = idx_arr[i];
-       int acc = key_reg_r.key_.acc(note);
+  assert (!key_grav_r.key_.multi_octave_b_);
+  const Array<int> &idx_arr =key_grav_r.accidental_idx_arr_; 
+  for (int i = 0 ; i< idx_arr.size(); i++) 
+    {
+      int note = idx_arr[i];
+      int acc = ((Key &) key_grav_r.key_).oct (0).acc (note);
 
-       add(note, acc);
+      add (note, acc);
     }
 }
 
 void 
-Key_item::set_c_position(int c0)
+Key_item::set_c_position (int c0)
 {
-    int octaves =(abs(c0) / 7) +1 ;
-    c_position=(c0 + 7*octaves)%7;
+  int from_bottom_pos = c0 + 4;        // ugh
+  int octaves =(from_bottom_pos / 7) +1 ;
+  from_bottom_pos =(from_bottom_pos + 7*octaves)%7;
+  c_position  = from_bottom_pos - 4;
 }
 
 
 void
-Key_item::add(int p, int a)
+Key_item::add (int p, int a)
 {
-    if ((a<0 && p>FLAT_TOP_PITCH) ||
-        (a>0 && p>SHARP_TOP_PITCH)) {
+  if ((a<0 && ((p>FLAT_TOP_PITCH) || (p+c_position>4)) && (p+c_position>1)) 
+      ||
+      (a>0 && ((p>SHARP_TOP_PITCH) || (p+c_position>5)) && (p+c_position>2))) 
+    {
       p -= 7; /* Typeset below c_position */
     }
-    pitch.push(p);
-    acc.push(a);
+  pitch.push (p);
+  acc.push (a);
 }
 
 
 Molecule*
-Key_item::brew_molecule_p()const
+Key_item::brew_molecule_p() const
+{
+  Molecule*output = new Molecule;
+  Real inter = paper()->internote_f ();
+  
+  for (int i =0; i < pitch.size(); i++) 
+    {
+      Atom a =paper()->lookup_l ()->accidental (acc[i]);
+      a.translate_axis ((c_position + pitch[i]) * inter, Y_AXIS);
+      Molecule m (a);
+      output->add_at_edge (X_AXIS, RIGHT, m);  
+    }
+  if (pitch.size()) 
+    {
+      Molecule m (paper()->lookup_l ()->fill (Box (
+                                                  Interval (0, paper()->note_width ()),
+                                                  Interval (0,0))));
+
+      output->add_at_edge (X_AXIS, RIGHT, m);
+    }
+  return output;
+}
+
+IMPLEMENT_IS_TYPE_B1(Key_item,Item);
+
+void 
+Key_item::do_pre_processing()
 {
-    Molecule*output = new Molecule;
-    Real inter = paper()->internote();
-    
-    for (int i =0; i < pitch.size(); i++) {
-       Symbol s= paper()->lookup_l()->accidental(acc[i]);
-       Atom a(s);
-       a.translate(Offset(0,(c_position + pitch[i]) * inter));
-       Molecule m(a);
-       output->add_right(m);   
+  if (default_b_) 
+    {
+      transparent_b_ = (break_status_i() != 1);
+      set_empty (transparent_b_);
     }
-    Molecule m(paper()->lookup_l()->fill(Box(
-       Interval(0, paper()->note_width()),
-       Interval(0,0))));
-    output->add_right(m);
-    return output;
 }