* input/regression/font-name.ly: show Pango fonts for

[lilypond.git] / lily / span-dynamic-performer.cc

diff --git a/lily/span-dynamic-performer.cc b/lily/span-dynamic-performer.cc
index 640fb128757f2f7510f021f01e370732dc5c0c71..5754244f61440528ae92693b7e41b23bb8e1f819 100644 (file)
--- a/lily/span-dynamic-performer.cc
+++ b/lily/span-dynamic-performer.cc
@@ -3,44 +3,41 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 2000--2004 Jan Nieuwenhuizen <janneke@gnu.org>
+  (c) 2000--2005 Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
 #include "performer.hh"
-
-#include "event.hh"
 #include "audio-item.hh"
 
 /*
   TODO: fold this into 1 engraver: \< and \> should also stop when
   absdyn is encountered.
- */
-
+*/
 struct Audio_dynamic_tuple
 {
-  Audio_dynamic* audio_;
+  Audio_dynamic *audio_;
   Moment mom_;
 };
 
 /**
    perform span-dynamics
- */
+*/
 class Span_dynamic_performer : public Performer
 {
 public:
-  TRANSLATOR_DECLARATIONS(Span_dynamic_performer);
+  TRANSLATOR_DECLARATIONS (Span_dynamic_performer);
 
 protected:
-  virtual bool try_music (Music*);
+  virtual bool try_music (Music *);
   virtual void acknowledge_audio_element (Audio_element_info);
   virtual void process_music ();
   virtual void stop_translation_timestep ();
 
 private:
-  Audio_dynamic* audio_;
+  Audio_dynamic *audio_;
   Real last_volume_;
-  Music* span_start_event_;
-  Drul_array<Music*> span_events_;
+  Music *span_start_event_;
+  Drul_array<Music *> span_events_;
   Array<Audio_dynamic_tuple> dynamic_tuples_;
   Array<Audio_dynamic_tuple> finished_dynamic_tuples_;
   Direction dir_;
@@ -59,7 +56,7 @@ Span_dynamic_performer::Span_dynamic_performer ()
 void
 Span_dynamic_performer::acknowledge_audio_element (Audio_element_info i)
 {
-  if (Audio_dynamic * d = dynamic_cast <Audio_dynamic*> (i.elem_))
+  if (Audio_dynamic *d = dynamic_cast<Audio_dynamic *> (i.elem_))
     {
       last_volume_ = d->volume_;
     }
@@ -78,7 +75,7 @@ Span_dynamic_performer::process_music ()
       Audio_dynamic_tuple a = { audio_, now_mom () };
       dynamic_tuples_.push (a);
     }
-  
+
   if (span_events_[STOP])
     {
       if (!span_start_event_)
@@ -97,26 +94,25 @@ Span_dynamic_performer::process_music ()
 
   if (span_events_[START])
     {
-      dir_ =  (span_events_[START]->is_mus_type ("crescendo-event"))
+      dir_ = (span_events_[START]->is_mus_type ("crescendo-event"))
        ? RIGHT : LEFT;
       span_start_event_ = span_events_[START];
-      
+
       dynamic_tuples_.clear ();
       Audio_dynamic_tuple a = { audio_, now_mom () };
       dynamic_tuples_.push (a);
     }
 
-
   if (span_events_[STOP])
-    { 
+    {
       finished_dynamic_tuples_.top ().audio_->volume_ = last_volume_;
     }
-  
+
   if (span_events_[START])
     {
       dynamic_tuples_[0].audio_->volume_ = last_volume_;
     }
-  span_start_event_ = 0;
+
   span_events_[START] = 0;
   span_events_[STOP] = 0;
 }
@@ -133,26 +129,26 @@ Span_dynamic_performer::stop_translation_timestep ()
        urg.
        Catch and fix the case of:
 
-             |                         |
-           x|                        x|
-            f cresc.  -- -- -- -- --  pp 
+       |                         |
+       x|                        x|
+       f cresc.  -- -- -- -- --  pp
 
-        Actually, we should provide a non-displayed dynamic/volume setting,
-        to set volume to 'ff' just before the pp.
-       */
+       Actually, we should provide a non-displayed dynamic/volume setting,
+       to set volume to 'ff' just before the pp.
+      */
       if (!dv || sign (dv) != finished_dir_)
        {
          // urg.  20%: about two volume steps
          dv = (Real)finished_dir_ * 0.2;
          if (!start_volume)
            start_volume = finished_dynamic_tuples_.top
- ().audio_->volume_ - dv;
+             ().audio_->volume_ - dv;
        }
       Moment start_mom = finished_dynamic_tuples_[0].mom_;
       Moment dt = finished_dynamic_tuples_.top ().mom_ - start_mom;
-      for (int i=0; i < finished_dynamic_tuples_.size (); i++)
+      for (int i = 0; i < finished_dynamic_tuples_.size (); i++)
        {
-         Audio_dynamic_tuple* a = &finished_dynamic_tuples_[i];
+         Audio_dynamic_tuple *a = &finished_dynamic_tuples_[i];
          Real volume = start_volume + dv * (Real) (a->mom_ - start_mom).main_part_
            / (Real)dt.main_part_;
          a->audio_->volume_ = volume;
@@ -168,11 +164,10 @@ Span_dynamic_performer::stop_translation_timestep ()
 
   span_events_[STOP] = 0;
   span_events_[START] = 0;
-
 }
 
 bool
-Span_dynamic_performer::try_music (Music* r)
+Span_dynamic_performer::try_music (Music *r)
 {
   if (r->is_mus_type ("crescendo-event")
       || r->is_mus_type ("decrescendo-event"))
@@ -183,7 +178,7 @@ Span_dynamic_performer::try_music (Music* r)
     }
   return false;
 }
-ENTER_DESCRIPTION (Span_dynamic_performer,
-                  "", "",
-                  "crescendo-event decrescendo-event", 
-                  "", "", "");
+ADD_TRANSLATOR (Span_dynamic_performer,
+               "", "",
+               "crescendo-event decrescendo-event",
+               "", "", "");