2 score.cc -- implement Score
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
11 #include "lily-parser.hh"
13 #include "cpu-timer.hh"
14 #include "global-context.hh"
15 #include "ly-module.hh"
16 #include "ly-smobs.icc"
18 #include "music-iterator.hh"
19 #include "output-def.hh"
20 #include "music-output.hh"
22 #include "paper-book.hh"
23 #include "output-def.hh"
24 #include "paper-score.hh"
25 #include "scm-hash.hh"
42 IMPLEMENT_SMOBS (Score);
43 IMPLEMENT_DEFAULT_EQUAL_P (Score);
44 IMPLEMENT_TYPE_P (Score, "ly:score?");
47 Score::mark_smob (SCM s)
49 Score *sc = (Score*) SCM_CELL_WORD_1 (s);
51 scm_gc_mark (sc->header_);
52 for (int i = sc->defs_.size (); i--;)
53 scm_gc_mark (sc->defs_[i]->self_scm ());
58 Score::print_smob (SCM , SCM p, scm_print_state*)
60 scm_puts ("#<Score>", p);
65 Score::Score (Score const &s)
75 Music *m =unsmob_music (s.music_);
76 music_ = m ? m->clone ()->self_scm () : SCM_EOL;
77 scm_gc_unprotect_object (music_);
79 for (int i = 0; i < s.defs_.size (); i++)
80 defs_.push (s.defs_[i]->clone ());
82 header_ = ly_make_anonymous_module (false);
83 if (ly_c_module_p (s.header_))
84 ly_import_module (header_, s.header_);
88 LY_DEFINE (ly_run_translator, "ly:run-translator",
89 2, 0, 0, (SCM mus, SCM output_def),
90 "Process @var{mus} according to @var{output_def}. "
91 "An interpretation context is set up, "
92 "and @var{mus} is interpreted with it. "
93 "The context is returned in its final state.")
95 Output_def *odef = unsmob_output_def (output_def);
96 Music *music = unsmob_music (mus);
99 || !music->get_length ().to_bool ())
101 warning (_ ("Need music in a score"));
105 SCM_ASSERT_TYPE (music, mus, SCM_ARG1, __FUNCTION__, "Music");
106 SCM_ASSERT_TYPE (odef, output_def, SCM_ARG2, __FUNCTION__, "Output definition");
110 Global_context *trans = new Global_context (odef, music->get_length ());
114 programming_error ("no toplevel translator");
117 progress_indication (_ ("Interpreting music... "));
119 SCM protected_iter = Music_iterator::get_static_get_iterator (music);
120 Music_iterator * iter = unsmob_iterator (protected_iter);
121 iter->init_translator (music, trans);
123 iter->construct_children ();
127 warning (_ ("Need music in a score"));
128 /* todo: should throw exception. */
132 trans->run_iterator_on_me (iter);
134 scm_remember_upto_here_1 (protected_iter);
137 if (verbose_global_b)
138 progress_indication (_f ("elapsed time: %.2f seconds", timer.read ()));
140 return scm_gc_unprotect_object (trans->self_scm ());
143 LY_DEFINE (ly_format_output, "ly:format-output",
144 2, 0, 0, (SCM context, SCM outname),
145 "Given a Score context in its final state,"
146 "process it and return the (rendered) result.")
148 Global_context *g = dynamic_cast<Global_context*> (unsmob_context (context));
149 SCM_ASSERT_TYPE (g, context, SCM_ARG1, __FUNCTION__, "Global context");
150 SCM_ASSERT_TYPE (scm_is_string (outname), outname, SCM_ARG2, __FUNCTION__, "output filename");
152 Music_output *output = g->get_output ();
153 progress_indication ("\n");
154 /* ugh, midi still wants outname */
155 return output->process (ly_scm2string (outname));
159 default_rendering (SCM music, SCM outdef,
161 SCM header, SCM outname)
163 SCM scaled_def = outdef;
164 SCM scaled_bookdef = book_outputdef;
166 Output_def *bpd = unsmob_output_def (book_outputdef);
169 if (bpd->c_variable ("is-bookpaper") == SCM_BOOL_T)
171 Real scale = scm_to_double (bpd->c_variable ("outputscale"));
173 Output_def *def = scale_output_def (unsmob_output_def (outdef), scale);
174 scaled_def = def->self_scm ();
176 scaled_bookdef = scale_output_def (bpd, scale)->self_scm ();
177 unsmob_output_def (scaled_def)->parent_
178 = unsmob_output_def (scaled_bookdef);
180 scm_gc_unprotect_object (scaled_bookdef);
181 scm_gc_unprotect_object (scaled_def);
184 SCM context = ly_run_translator (music, scaled_def);
185 if (Global_context *g = dynamic_cast<Global_context*>
186 (unsmob_context (context)))
188 SCM systems = ly_format_output (context, outname);
189 Music_output *output = g->get_output ();
190 if (systems != SCM_UNDEFINED)
192 /* ugh, this is strange, Paper_book without a Book object. */
193 Paper_book *paper_book = new Paper_book ();
194 paper_book->header_ = header;
195 paper_book->bookpaper_ = unsmob_output_def (scaled_bookdef);
198 sc.systems_ = systems;
201 paper_book->score_systems_.push (sc);
203 paper_book->classic_output (ly_scm2string (outname));
204 scm_gc_unprotect_object (paper_book->self_scm ());
209 scm_remember_upto_here_1 (scaled_def);
210 scm_remember_upto_here_1 (scaled_bookdef);
214 Format score, return systems. OUTNAME is still passed to create a midi
217 PAPERBOOK should be scaled already.
221 Score::book_rendering (String outname,
222 Output_def *paperbook,
223 Output_def *default_def)
228 SCM scaled_bookdef = SCM_EOL;
231 if (paperbook && paperbook->c_variable ("is-bookpaper") == SCM_BOOL_T)
232 scale = scm_to_double (paperbook->c_variable ("outputscale"));
234 SCM out = scm_makfrom0str (outname.to_str0 ());
235 SCM systems = SCM_EOL;
236 int outdef_count = defs_.size ();
237 for (int i = 0; !i || i < outdef_count; i++)
239 Output_def *def = outdef_count ? defs_[i] : default_def;
241 if (def->c_variable ("is-paper") == SCM_BOOL_T)
243 def = scale_output_def (def, scale);
244 def->parent_ = paperbook;
245 scaled = def->self_scm ();
246 scm_gc_unprotect_object (scaled);
249 /* TODO: fix or junk --no-paper. */
250 SCM context = ly_run_translator (music_, def->self_scm ());
251 if (dynamic_cast<Global_context*> (unsmob_context (context)))
253 SCM s = ly_format_output (context, out);
254 if (s != SCM_UNDEFINED)
258 scm_remember_upto_here_1 (scaled);
261 scm_remember_upto_here_1 (scaled_bookdef);
268 LY_DEFINE (ly_score_embedded_format, "ly:score-embedded-format",
269 2, 0, 0, (SCM score, SCM paper),
270 "Run @var{score} through @var{paper}, an output definition, "
271 "scaled to correct outputscale already, "
272 "return a list of paper-lines.")
274 Score * sc = unsmob_score (score);
275 Output_def *od = unsmob_output_def (paper);
277 if (sc->error_found_)
282 SCM_ASSERT_TYPE (sc, score, SCM_ARG1, __FUNCTION__, "Score");
283 SCM_ASSERT_TYPE (od, paper, SCM_ARG2, __FUNCTION__, "Output_def");
285 Output_def * score_def = 0;
287 /* UGR, FIXME, these are default \paper blocks once again. They
289 for (int i = 0; !score_def && i < sc->defs_.size (); i++)
290 if (sc->defs_[i]->c_variable ("is-paper") == SCM_BOOL_T)
291 score_def = sc->defs_[i];
294 return scm_c_make_vector (0, SCM_EOL);
296 score_def = score_def->clone ();
297 SCM prot = score_def->self_scm ();
298 scm_gc_unprotect_object (prot);
300 /* TODO: SCORE_DEF should be scaled according to OD->parent_ or OD
302 score_def->parent_ = od;
304 SCM context = ly_run_translator (sc->get_music (), score_def->self_scm ());
305 SCM lines = ly_format_output (context, scm_makfrom0str ("<embedded>"));
307 scm_remember_upto_here_1 (prot);
312 Score::set_music (SCM music, SCM parser)
315 SCM check_funcs = ly_scheme_function ("toplevel-music-functions");
316 for (; scm_is_pair (check_funcs); check_funcs = scm_cdr (check_funcs))
317 music = scm_call_2 (scm_car (check_funcs), music, parser);
319 if (unsmob_music (music_))
321 unsmob_music (music)->origin ()->error (_("Already have music in score"));
322 unsmob_music (music_)->origin ()->error (_("This is the previous music"));
324 Music * m = unsmob_music (music);
325 if (m && to_boolean (m->get_property ("error-found")))
327 m->origin()->error (_("Error found in this music expression. Ignoring it"));
329 this->error_found_ = this->error_found_ || to_boolean (m->get_property ("error-found"));
333 if (this->error_found_)
334 this->music_ = SCM_EOL;
336 this->music_ = music;
341 Score::get_music () const