2 score.cc -- implement Score
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
16 #include "cpu-timer.hh"
17 #include "global-context.hh"
18 #include "lily-parser.hh"
19 #include "lilypond-key.hh"
22 #include "output-def.hh"
23 #include "paper-book.hh"
24 #include "paper-score.hh"
28 #include "ly-smobs.icc"
43 IMPLEMENT_SMOBS (Score);
44 IMPLEMENT_DEFAULT_EQUAL_P (Score);
45 IMPLEMENT_TYPE_P (Score, "ly:score?");
48 Score::mark_smob (SCM s)
50 Score *sc = (Score *) SCM_CELL_WORD_1 (s);
52 scm_gc_mark (sc->header_);
53 for (int i = sc->defs_.size (); i--;)
54 scm_gc_mark (sc->defs_[i]->self_scm ());
59 Score::print_smob (SCM, SCM p, scm_print_state*)
61 scm_puts ("#<Score>", p);
66 Score::Score (Score const &s)
71 error_found_ = s.error_found_;
74 Music *m = unsmob_music (s.music_);
77 Music *mclone = m->clone ();
78 music_ = mclone->unprotect ();
83 for (int i = 0, n = s.defs_.size (); i < n; i++)
85 Output_def *copy = s.defs_[i]->clone ();
89 header_ = ly_make_anonymous_module (false);
90 if (ly_is_module (s.header_))
91 ly_module_copy (header_, s.header_);
95 default_rendering (SCM music, SCM outdef,
101 SCM scaled_def = outdef;
102 SCM scaled_bookdef = book_outputdef;
104 Output_def *bpd = unsmob_output_def (book_outputdef);
107 if (bpd->c_variable ("is-paper") == SCM_BOOL_T)
109 Real scale = scm_to_double (bpd->c_variable ("outputscale"));
111 Output_def *def = scale_output_def (unsmob_output_def (outdef), scale);
112 Output_def *bdef = scale_output_def (bpd, scale);
115 scaled_def = def->self_scm ();
116 scaled_bookdef = bdef->self_scm ();
122 SCM context = ly_run_translator (music, scaled_def, key);
124 SCM output_as_scm = ly_format_output (context);
125 Music_output *output = unsmob_music_output (output_as_scm);
127 if (Paper_score *pscore = dynamic_cast<Paper_score *> (output))
129 /* ugh, this is strange, Paper_book without a Book object. */
130 Paper_book *paper_book = new Paper_book ();
131 paper_book->header_ = header;
132 paper_book->paper_ = unsmob_output_def (scaled_bookdef);
134 if (ly_is_module (header))
135 paper_book->add_score (header);
137 SCM systems = pscore->get_paper_systems ();
138 paper_book->add_score (systems);
140 paper_book->classic_output (outname);
141 paper_book->unprotect ();
144 scm_remember_upto_here_1 (scaled_def);
145 scm_remember_upto_here_1 (output_as_scm);
146 scm_remember_upto_here_1 (scaled_bookdef);
150 Format score, return list of Music_output objects.
152 LAYOUTBOOK should be scaled already.
155 Score::book_rendering (Output_def *layoutbook,
156 Output_def *default_def,
157 Object_key *book_key)
162 SCM scaled_bookdef = SCM_EOL;
165 if (layoutbook && layoutbook->c_variable ("is-paper") == SCM_BOOL_T)
166 scale = scm_to_double (layoutbook->c_variable ("outputscale"));
168 SCM outputs = SCM_EOL;
169 SCM *tail = &outputs;
171 int outdef_count = defs_.size ();
173 Object_key *key = new Lilypond_general_key (book_key, user_key_, 0);
174 SCM scm_key = key->unprotect ();
176 for (int i = 0; !i || i < outdef_count; i++)
178 Output_def *def = outdef_count ? defs_[i] : default_def;
179 SCM scaled = SCM_EOL;
181 if (def->c_variable ("is-layout") == SCM_BOOL_T)
183 def = scale_output_def (def, scale);
184 def->parent_ = layoutbook;
186 scaled = def->unprotect ();
189 /* TODO: fix or junk --no-layout. */
190 SCM context = ly_run_translator (music_, def->self_scm (), scm_key);
191 if (dynamic_cast<Global_context *> (unsmob_context (context)))
193 SCM s = ly_format_output (context);
195 *tail = scm_cons (s, SCM_EOL);
196 tail = SCM_CDRLOC (*tail);
199 scm_remember_upto_here_1 (scaled);
202 scm_remember_upto_here_1 (scm_key);
203 scm_remember_upto_here_1 (scaled_bookdef);
208 Score::set_music (SCM music)
210 if (unsmob_music (music_))
212 unsmob_music (music)->origin ()->error (_ ("already have music in score"));
213 unsmob_music (music_)->origin ()->error (_ ("this is the previous music"));
215 Music *m = unsmob_music (music);
216 if (m && to_boolean (m->get_property ("error-found")))
218 m->origin ()->error (_ ("errors found, ignoring music expression"));
220 this->error_found_ = this->error_found_
221 || to_boolean (m->get_property ("error-found"));
224 if (this->error_found_)
225 this->music_ = SCM_EOL;
227 this->music_ = music;
231 Score::get_music () const
237 Score::add_output_def (Output_def *def)