quiet PS to PNG conversion

[lilypond.git] / lily / spacing-basic.cc

diff --git a/lily/spacing-basic.cc b/lily/spacing-basic.cc
index 2e81fdf416237d2569dcedd1f94960cb91e02bba..e0d9daaa00d7365b928b40885c014d7fd8d6d2e8 100644 (file)
--- a/lily/spacing-basic.cc
+++ b/lily/spacing-basic.cc
@@ -3,7 +3,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 2005--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 2005--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #include "spacing-spanner.hh"
@@ -35,6 +35,10 @@ Spacing_spanner::standard_breakable_column_spacing (Grob *me, Item *l, Item *r,
 
   do
     {
+      /*
+       TODO: this is fishy, the extent gets distorted due to wide
+       \marks, so better not do this.
+       */
       if (!Paper_column::is_musical (cols[d]))
        {
          /*
@@ -86,14 +90,7 @@ get_measure_length (Grob *column)
 
   extract_grob_set (sys, "columns", cols);
 
-  vsize col_idx = binary_search (cols, column,
-                                Paper_column::less_than);
-
-  if (col_idx == VPOS)
-    {
-      programming_error ( __FUNCTION__ + string (": Unknown column"));
-      return 0;
-    }
+  vsize col_idx = Paper_column::get_rank (column);
   
   do
     {
@@ -122,7 +119,7 @@ Spacing_spanner::note_spacing (Grob *me, Grob *lc, Grob *rc,
 
   if (! shortest_playing_len.to_bool ())
     {
-      programming_error ("can't find a ruling note at " + Paper_column::when_mom (lc).to_string ());
+      programming_error ("cannot find a ruling note at: " + Paper_column::when_mom (lc).to_string ());
       shortest_playing_len = 1;
     }
 
@@ -130,25 +127,25 @@ Spacing_spanner::note_spacing (Grob *me, Grob *lc, Grob *rc,
   Moment rwhen = Paper_column::when_mom (rc);
 
   Moment delta_t = rwhen - lwhen;
-  if (!Paper_column::is_musical (rc))
+
+  /*
+    when toying with mmrests, it is possible to have musical
+    column on the left and non-musical on the right, spanning
+    several measures.
+
+    TODO: efficiency: measure length can be cached, or stored as
+    property in paper-column.
+  */
+
+  if (Moment *measure_len = get_measure_length (lc))
     {
+      delta_t = min (delta_t, *measure_len);
+
       /*
-       when toying with mmrests, it is possible to have musical
-       column on the left and non-musical on the right, spanning
-       several measures.
+       The following is an extra safety measure, such that
+       the length of a mmrest event doesn't cause havoc.
       */
-
-      Moment *dt = get_measure_length (lc);
-      if (dt)
-       {
-         delta_t = min (delta_t, *dt);
-
-         /*
-           The following is an extra safety measure, such that
-           the length of a mmrest event doesn't cause havoc.
-         */
-         shortest_playing_len = min (shortest_playing_len, *dt);
-       }
+      shortest_playing_len = min (shortest_playing_len, *measure_len);
     }
 
   Real dist = 0.0;
@@ -171,7 +168,6 @@ Spacing_spanner::note_spacing (Grob *me, Grob *lc, Grob *rc,
        {
          Spacing_options grace_opts;
          grace_opts.init_from_grob (grace_spacing);
-
          bool bla;
          dist = grace_opts.get_duration_space (delta_t.grace_part_, &bla);
        }