2 audio-item.hh -- declare Audio_items
4 (c) 1996, 1997--2000 Jan Nieuwenhuizen <janneke@gnu.org>
11 #include "lily-proto.hh"
13 #include "audio-element.hh"
15 #include "musical-pitch.hh"
17 #include "drul-array.hh"
20 Any piece of audio information.
21 We need virtual conclassors,
22 let's try decentralised factory for specific audio implemenations.
25 class Audio_item : public Audio_element
30 Audio_column* audio_column_l_;
33 virtual void do_print () const;
36 Audio_item (Audio_item const&);
37 Audio_item& operator=( Audio_item const&);
40 class Audio_dynamic : public Audio_item
43 Audio_dynamic (int volume);
48 class Audio_key : public Audio_item
51 Audio_key (Key_def const& key);
56 class Audio_instrument : public Audio_item
59 Audio_instrument (String instrument_str);
64 class Audio_note : public Audio_item
67 Audio_note (Musical_pitch p, Moment m, int transposing_i = 0);
69 void tie_to (Audio_note*);
74 Moment delayed_until_mom_;
79 class Audio_text : public Audio_item
83 TEXT = 1, COPYRIGHT, TRACK_NAME, INSTRUMENT_NAME, LYRIC,
87 Audio_text (Audio_text::Type type, String text_str);
93 class Audio_tempo : public Audio_item
96 Audio_tempo (int per_minute_4_i);
101 class Audio_tie : public Audio_item
105 void set_note (Direction, Audio_note*);
106 Drul_array<Audio_note*> note_l_drul_;
109 class Audio_time_signature : public Audio_item
112 Audio_time_signature (int beats, int one_beat);
118 #endif // AUDIO_ITEM_HH