2003 -> 2004

[lilypond.git] / lily / volta-bracket.cc

diff --git a/lily/volta-bracket.cc b/lily/volta-bracket.cc
index ffe9e5b887fc451117fcdc22f3a9f0862f12e3a6..01fb504dbc2bd3207c4cf8127f961cc75d93d6ac 100644 (file)
--- a/lily/volta-bracket.cc
+++ b/lily/volta-bracket.cc
@@ -3,14 +3,15 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--2002 Jan Nieuwenhuizen <janneke@gnu.org>
+  (c) 1997--2004 Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
 #include <string.h>
 
 #include "box.hh"
-#include "debug.hh"
+#include "warn.hh"
 #include "font-interface.hh"
+#include "line-interface.hh"
 #include "molecule.hh"
 #include "paper-column.hh"
 #include "paper-def.hh"
@@ -19,7 +20,7 @@
 #include "group-interface.hh"
 #include "side-position-interface.hh"
 #include "directional-element-interface.hh"
-
+#include "lookup.hh"
 
 /*
   this is too complicated. Yet another version of side-positioning,
@@ -36,75 +37,81 @@ SCM
 Volta_bracket_interface::brew_molecule (SCM smob) 
 {
   Grob *me = unsmob_grob (smob);
-  Link_array<Item> bar_arr
+  Link_array<Item> bars
     = Pointer_group_interface__extract_grobs (me, (Item*)0, "bars");
 
-  if (!bar_arr.size ())
+  if (!bars.size ())
     return SCM_EOL;
 
-  Spanner *orig_span =  dynamic_cast<Spanner*> (me->original_l_);
+  Spanner *orig_span =  dynamic_cast<Spanner*> (me->original_);
 
-  bool first_bracket = orig_span && (orig_span->broken_into_l_arr_[0] == (Spanner*)me);
-  
-  bool last_bracket = orig_span && (orig_span->broken_into_l_arr_.top () == (Spanner*)me);
+  bool broken_first_bracket = orig_span && (orig_span->broken_intos_[0] == (Spanner*)me);
+
+  bool broken_last_bracket = orig_span && (orig_span->broken_intos_.top () == (Spanner*)me);
 
-  bool no_vertical_start = orig_span && !first_bracket;
-  bool no_vertical_end = orig_span && !last_bracket;
-  SCM bars = me->get_grob_property ("bars");
-  Grob * endbar =   unsmob_grob (ly_car (bars));
+  bool no_vertical_start = orig_span && !broken_first_bracket;
+  bool no_vertical_end = orig_span && !broken_last_bracket;
+  SCM s = me->get_grob_property ("bars");
+  Grob * endbar =   unsmob_grob (ly_car (s));
   SCM glyph = endbar->get_grob_property("glyph");
-  String str = ly_scm2string(glyph);
-  const char* cs = str.ch_C();
+  
+  String str;
+  if (gh_string_p (glyph))
+    str = ly_scm2string(glyph);
+  else
+    return SCM_EOL;
+  
+  const char* cs = str.to_str0 ();
   no_vertical_end |=
     (strcmp(cs,":|")!=0 && strcmp(cs,"|:")!=0 && strcmp(cs,"|.")!=0
      && strcmp(cs,":|:")!=0 && strcmp(cs,".|")!=0);
 
-  Real staff_thick = me->paper_l ()->get_var ("linethickness");  
+  Paper_def * paper =me->get_paper ();
   Real half_space = 0.5;
 
   Item * bound = dynamic_cast<Spanner*> (me)->get_bound (LEFT);
 
   /*
     not a start, but really broken in two
-   */
+  */
   Real left =0.;  
   if (bound->break_status_dir () == RIGHT)
-  {
-    Paper_column *pc = bound->column_l ();
-    left = pc->extent (pc, X_AXIS)[RIGHT]   - bound->relative_coordinate (pc, X_AXIS);
-  }
+    {
+      Paper_column *pc = bound->get_column ();
+      left = pc->extent (pc, X_AXIS)[RIGHT]   - bound->relative_coordinate (pc, X_AXIS);
+    }
   else
-  {
-    /*
-      the volta spanner is attached to the bar-line, which is moved
-      to the right. We don't need to compensate for the left edge.
-    */
-  }
+    {
+      /*
+       the volta spanner is attached to the bar-line, which is moved
+       to the right. We don't need to compensate for the left edge.
+      */
+    }
 
   Real w = dynamic_cast<Spanner*> (me)->spanner_length () - left - half_space;
-  Real h =  gh_scm2double (me->get_grob_property ("height"));
-  Real t =  staff_thick * gh_scm2double (me->get_grob_property ("thickness"));
+  Real h =  robust_scm2double (me->get_grob_property ("height"), 1);
 
-  /*
-    ugh: should build from line segments.
-   */
-  SCM at = (scm_list_n (ly_symbol2scm ("volta"),
-                    gh_double2scm (h),
-                    gh_double2scm (w),
-                    gh_double2scm (t),
-                    gh_int2scm (no_vertical_start),
-                    gh_int2scm (no_vertical_end),
-                    SCM_UNDEFINED));
-
-  Box b (Interval (0, w), Interval (0, h));
-  Molecule mol (b, at);
-  SCM text = me->get_grob_property ("text");
-  SCM properties = scm_list_n (me->mutable_property_alist_,
-                              me->immutable_property_alist_,SCM_UNDEFINED);
-  Molecule num = Text_item::text2molecule (me, text, properties);
-
-  mol.add_at_edge (X_AXIS, LEFT, num, - num.extent (X_AXIS).length ()
-                  - 1.0);
+  Molecule start,end ;
+  if (!no_vertical_start)
+    start = Line_interface::line (me, Offset (0,0), Offset (0, h)); 
+  
+  if (!no_vertical_end)
+    end = Line_interface::line (me, Offset (w, 0), Offset (w,h));
+
+  Molecule mol = Line_interface::line (me, Offset (0, h), Offset (w,h));
+  mol.add_molecule (start);
+  mol.add_molecule (end);
+
+  if (!orig_span || broken_first_bracket)
+    {
+      SCM text = me->get_grob_property ("text");
+      SCM properties = me->get_property_alist_chain (SCM_EOL);
+      SCM snum  = Text_item::interpret_markup (paper->self_scm (), properties, text);
+      Molecule num = *unsmob_molecule (snum);
+
+      mol.add_at_edge (X_AXIS, LEFT, num, - num.extent (X_AXIS).length ()
+                      - 1.0, 0);
+    }
   mol.translate_axis (left, X_AXIS);
   return mol.smobbed_copy ();
 }
@@ -125,6 +132,6 @@ Volta_bracket_interface::add_column (Grob*me, Grob* c)
 }
 
 ADD_INTERFACE (Volta_bracket_interface,"volta-bracket-interface",
-  "Volta bracket with number",
-  "bars thickness height");
+              "Volta bracket with number",
+              "bars thickness height");