]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/spacing-engraver.cc
Fix some bugs in the dynamic engraver and PostScript backend
[lilypond.git] / lily / spacing-engraver.cc
index cc4b3f39c8e462b1ccc27d7c8f13bdb727151f43..d567cb6ebc279d53e1f55ed741b7c9020bf2cf22 100644 (file)
@@ -3,7 +3,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1999--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1999--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #include "paper-column.hh"
@@ -14,6 +14,8 @@
 #include "pointer-group-interface.hh"
 #include "spanner.hh"
 
+#include "translator.icc"
+
 struct Rhythmic_tuple
 {
   Grob_info info_;
@@ -30,27 +32,28 @@ struct Rhythmic_tuple
   static int time_compare (Rhythmic_tuple const &, Rhythmic_tuple const &);
 };
 
-/**
-   Acknowledge rhythmic elements, for initializing spacing fields in
-   the columns.
-
-   should be the  last one of the toplevel context
+/*
+  TODO: allow starting & stopping of spacing regions.
+*/
+/*
+  Acknowledge rhythmic elements, for initializing spacing fields in
+  the columns.
 */
 class Spacing_engraver : public Engraver
 {
   PQueue<Rhythmic_tuple> playing_durations_;
-  Array<Rhythmic_tuple> now_durations_;
-  Array<Rhythmic_tuple> stopped_durations_;
+  vector<Rhythmic_tuple> now_durations_;
+  vector<Rhythmic_tuple> stopped_durations_;
   Moment now_;
   Spanner *spacing_;
 
   TRANSLATOR_DECLARATIONS (Spacing_engraver);
-  
+
 protected:
   DECLARE_ACKNOWLEDGER (staff_spacing);
   DECLARE_ACKNOWLEDGER (note_spacing);
   DECLARE_ACKNOWLEDGER (rhythmic_head);
-  
+
   void start_translation_timestep ();
   void stop_translation_timestep ();
   void process_music ();
@@ -108,7 +111,7 @@ Spacing_engraver::acknowledge_staff_spacing (Grob_info i)
 {
   Pointer_group_interface::add_grob (spacing_, ly_symbol2scm ("wishes"), i.grob ());
 }
-  
+
 void
 Spacing_engraver::acknowledge_rhythmic_head (Grob_info i)
 {
@@ -126,7 +129,7 @@ Spacing_engraver::acknowledge_rhythmic_head (Grob_info i)
        {
          Moment len = r->get_length ();
          Rhythmic_tuple t (i, now_mom () + len);
-         now_durations_.push (t);
+         now_durations_.push_back (t);
        }
     }
 }
@@ -136,18 +139,18 @@ Spacing_engraver::stop_translation_timestep ()
 {
   Paper_column *musical_column
     = dynamic_cast<Paper_column *> (unsmob_grob (get_property ("currentMusicalColumn")));
-  
- SCM proportional = get_property ("proportionalNotationDuration");
- if (unsmob_moment (proportional))
-   {
-     musical_column->set_property ("shortest-playing-duration", proportional);
-     musical_column->set_property ("shortest-starter-duration", proportional);
-     return; 
-   }
-  
+
 SCM proportional = get_property ("proportionalNotationDuration");
 if (unsmob_moment (proportional))
+    {
+      musical_column->set_property ("shortest-playing-duration", proportional);
+      musical_column->set_property ("shortest-starter-duration", proportional);
+      return;
+    }
+
   Moment shortest_playing;
   shortest_playing.set_infinite (1);
-  for (int i = 0; i < playing_durations_.size (); i++)
+  for (vsize i = 0; i < playing_durations_.size (); i++)
     {
       Music *mus = playing_durations_[i].info_.music_cause ();
       if (mus)
@@ -159,7 +162,7 @@ Spacing_engraver::stop_translation_timestep ()
   Moment starter;
   starter.set_infinite (1);
 
-  for (int i = 0; i < now_durations_.size (); i++)
+  for (vsize i = 0; i < now_durations_.size (); i++)
     {
       Moment m = now_durations_[i].info_.music_cause ()->get_length ();
       if (m.to_bool ())
@@ -172,7 +175,6 @@ Spacing_engraver::stop_translation_timestep ()
 
   shortest_playing = min (shortest_playing, starter);
 
   assert (starter.to_bool ());
   SCM sh = shortest_playing.smobbed_copy ();
   SCM st = starter.smobbed_copy ();
@@ -189,18 +191,22 @@ Spacing_engraver::start_translation_timestep ()
   while (playing_durations_.size () && playing_durations_.front ().end_ < now_)
     playing_durations_.delmin ();
   while (playing_durations_.size () && playing_durations_.front ().end_ == now_)
-    stopped_durations_.push (playing_durations_.get ());
+    stopped_durations_.push_back (playing_durations_.get ());
 }
 
-#include "translator.icc"
-
 ADD_ACKNOWLEDGER (Spacing_engraver, staff_spacing);
 ADD_ACKNOWLEDGER (Spacing_engraver, note_spacing);
 ADD_ACKNOWLEDGER (Spacing_engraver, rhythmic_head);
-  
+
 ADD_TRANSLATOR (Spacing_engraver,
-               /* descr */ "make a SpacingSpanner and do bookkeeping of shortest starting and playing notes  ",
-               /* creats*/ "SpacingSpanner",
-               /* accepts */ "",
-               /* reads */ "currentMusicalColumn currentCommandColumn proportionalNotationDuration",
+               "make a SpacingSpanner and do "
+               "bookkeeping of shortest starting and playing notes  ",
+
+               /* create */ "SpacingSpanner",
+               /* accept */ "",
+               /* read */
+               "currentMusicalColumn "
+               "currentCommandColumn "
+               "proportionalNotationDuration",
+               
                /* write */ "");