2 musical-request.hh -- declare Musical requests
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
10 #ifndef MUSICALREQUESTS_HH
11 #define MUSICALREQUESTS_HH
13 #include "lily-proto.hh"
15 #include "duration.hh"
16 #include "musical-pitch.hh"
19 A request which is coupled to a note (that has duration).
22 class Musical_req : public virtual Request {
26 REQUESTMETHODS(Musical_req);
31 /** a request with a duration.
32 This request is used only used as a base class.
34 class Rhythmic_req : public virtual Musical_req {
38 bool do_equal_b (Request*) const;
39 void compress (Moment);
40 virtual Moment length_mom () const;
41 static int compare (Rhythmic_req const&,Rhythmic_req const&);
42 REQUESTMETHODS(Rhythmic_req);
45 class Skip_req : public Rhythmic_req {
47 REQUESTMETHODS(Skip_req);
50 struct Spacing_req :virtual Request {
55 REQUESTMETHODS(Spacing_req);
58 struct Abbreviation_req : public Musical_req {
59 REQUESTMETHODS (Abbreviation_req);
64 class Blank_req : public Spacing_req, Rhythmic_req {
66 REQUESTMETHODS(Spacing_req);
69 /** a syllable or lyric is a string with rhythm.
71 class Lyric_req : public Rhythmic_req {
74 REQUESTMETHODS(Lyric_req);
79 /// request which has some kind of pitch
80 struct Melodic_req :virtual Musical_req
83 /// transpose. #delta# is relative to central c.
84 virtual void transpose (Musical_pitch delta);
86 bool do_equal_b (Request*) const;
87 static int compare (Melodic_req const&,Melodic_req const&);
88 REQUESTMETHODS(Melodic_req);
91 /// specify tonic of a chord
92 struct Tonic_req : public Melodic_req
95 REQUESTMETHODS(Tonic_req);
98 /// Put a note of specified type, height, and with accidental on the staff.
99 class Note_req : public Rhythmic_req, virtual public Melodic_req {
102 /// force/supress printing of accidental.
104 /// Cautionary, i.e. parenthesized accidental.
107 bool do_equal_b (Request*) const;
108 REQUESTMETHODS(Note_req);
112 Put a rest on the staff. Why a request? It might be a good idea to not typeset the rest, if the paper is too crowded.
114 class Rest_req : public Rhythmic_req {
116 REQUESTMETHODS(Rest_req);
120 Part: typeset a measure with the number of measures rest
121 Score: typeset all individual measures ass full rests
123 class Multi_measure_rest_req : public Rhythmic_req {
125 REQUESTMETHODS(Multi_measure_rest_req);
129 class Musical_span_req : public Span_req, public virtual Musical_req
132 REQUESTMETHODS(Musical_span_req);
138 Start / stop an abbreviation beam at this note.
140 class Abbreviation_beam_req : public Musical_span_req {
142 REQUESTMETHODS (Abbreviation_beam_req);
144 Abbreviation_beam_req ();
152 class Slur_req : public Musical_span_req {
154 REQUESTMETHODS(Slur_req);
159 class Extender_req : public Request {
161 REQUESTMETHODS(Extender_req);
165 class Musical_script_req : public Musical_req, public Script_req {
167 REQUESTMETHODS(Musical_script_req);
171 class Dynamic_req : public virtual Musical_req {
173 REQUESTMETHODS(Dynamic_req);
176 class Absolute_dynamic_req : public Dynamic_req {
178 String loudness_str_;
179 virtual bool do_equal_b (Request*) const;
180 String loudness_str () const;
181 Absolute_dynamic_req();
182 REQUESTMETHODS(Absolute_dynamic_req);
185 class Span_dynamic_req : public Dynamic_req, public Musical_span_req {
187 virtual bool do_equal_b (Request*) const;
188 /// Grow or shrink the volume: 1=cresc, -1 = decresc
189 Direction dynamic_dir_;
191 REQUESTMETHODS(Span_dynamic_req);
194 #endif // MUSICALREQUESTS_HH