X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fmusic.hh;h=b0f48371048a50bc6f4a3d953d89fc20828a88da;hb=3ea291c21ce16aeaf00b6a6f500bf0a3a9b790d9;hp=9e50aa0998d47ef547b9d722efb9de174e59208b;hpb=422004486569407b8809da7f3c7053c1e4767bff;p=lilypond.git

diff --git a/lily/include/music.hh b/lily/include/music.hh
index 9e50aa0998..b0f4837104 100644
--- a/lily/include/music.hh
+++ b/lily/include/music.hh
@@ -1,74 +1,83 @@
 /*
-  music.hh -- declare Music
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 1997--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-*/
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
 
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
 
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
+*/
 
 #ifndef MUSIC_HH
 #define MUSIC_HH
 
-#include "virtual-methods.hh"
-#include "minterval.hh"
-#include "lily-proto.hh"
-#include "string.hh"
 #include "smobs.hh"
+#include "moment.hh"
+#include "pitch.hh"
+#include "prob.hh"
+#include "context.hh"
 
-/** Music is anything that has duration and supports both time compression and
-  transposition.
-  
-  In Lily, everything that can be thought to have a length and a pitch
-  (which has a duration which can be transposed) is considered "music",
+#define is_mus_type(x) internal_is_music_type (ly_symbol2scm (x))
 
-  Music is hierarchical: 
+class Music : public Prob
+{
+public:
+  Music (SCM init);
+  Music (Music const &m);
+  VIRTUAL_COPY_CONSTRUCTOR (Music, Music);
 
-  @see Music_sequence
+  Input *origin () const;
+  void set_spot (Input);
 
+  bool internal_is_music_type (SCM) const;
+
+  Stream_event *to_event (Context *) const;
+
+  DECLARE_SCHEME_CALLBACK (relative_callback, (SCM, SCM));
+  Pitch to_relative_octave (Pitch);
+  Pitch generic_to_relative_octave (Pitch);
+  Moment get_length () const;
+  Moment start_mom () const;
+  void print () const;
 
-  TODO: make a equalp function for general music. 
-  */
-class Music {
-public:
-  Input *origin () const; 
-  void set_spot (Input);  
-  
-  SCM get_mus_property (const char*) const;
-  SCM get_mus_property (SCM) const;
-  void set_mus_property (const char * , SCM val);
-  void set_immutable_mus_property (const char * , SCM val);
-  void set_immutable_mus_property (SCM key, SCM val);  
-  void set_mus_property (SCM , SCM val);  
-  void set_mus_pointer (const char*, SCM val);
-  SCM remove_mus_property (const char* nm);
-
-  virtual Musical_pitch to_relative_octave (Musical_pitch);
-
-  /// The duration of this piece of music
-  virtual Moment length_mom () const;
-
-  void print() const;
   /// Transpose, with the interval central C to #p#
-  virtual void transpose (Musical_pitch p);
+  void transpose (Pitch p);
 
   /// Scale the music in time by #factor#.
-  virtual void compress (Moment factor);
-  VIRTUAL_COPY_CONS(Music);
-  Music (Music const &m);
-  Music();
+  void compress (Moment factor);
+
+  // Broadcast the event in a context's event-source.
+  void send_to_context (Context *c);
+
+  DECLARE_SCHEME_CALLBACK (duration_length_callback, (SCM));
+
+protected:
+  virtual SCM copy_mutable_properties () const;
+  virtual void type_check_assignment (SCM, SCM) const;
+  virtual void derived_mark () const;
 protected:
-  virtual void do_print() const;
-  DECLARE_SMOBS(Music,);
-  SCM immutable_property_alist_;
-  SCM mutable_property_alist_;
- 
+  SCM length_callback_;
+  SCM start_callback_;
+  friend SCM ly_extended_make_music (SCM, SCM);
 };
 
+Music *unsmob_music (SCM);
+Music *make_music_by_name (SCM sym);
+SCM ly_music_deep_copy (SCM);
+SCM ly_camel_case_2_lisp_identifier (SCM name_sym);
 
-Music * unsmob_music (SCM);
-#endif // MUSIC_HH
-
+extern SCM ly_music_p_proc;
 
+/* common transposition function for music and event */
+void transpose_mutable (SCM alist, Pitch delta);
 
+#endif /* MUSIC_HH */