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>
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"
44 IMPLEMENT_SMOBS (Score);
45 IMPLEMENT_DEFAULT_EQUAL_P (Score);
46 IMPLEMENT_TYPE_P (Score, "ly:score?");
49 Score::mark_smob (SCM s)
51 Score *sc = (Score*) SCM_CELL_WORD_1 (s);
53 scm_gc_mark (sc->header_);
54 for (int i = sc->defs_.size (); i--;)
55 scm_gc_mark (sc->defs_[i]->self_scm ());
60 Score::print_smob (SCM , SCM p, scm_print_state*)
62 scm_puts ("#<Score>", p);
70 store point & click locations.
71 Global to save some time. (Sue us!)
73 Score::Score (Score const &s)
83 Music *m =unsmob_music (s.music_);
84 music_ = m ? m->clone ()->self_scm () : SCM_EOL;
85 scm_gc_unprotect_object (music_);
87 for (int i = 0; i < s.defs_.size (); i++)
88 defs_.push (s.defs_[i]->clone ());
90 header_ = ly_make_anonymous_module (false);
91 if (ly_c_module_p (s.header_))
92 ly_import_module (header_, s.header_);
95 LY_DEFINE (ly_run_translator, "ly:run-translator",
96 2, 0, 0, (SCM mus, SCM output_def),
97 "Process @var{mus} according to @var{output_def}. "
98 "An interpretation context is set up, "
99 "and @var{mus} is interpreted with it. "
100 "The context is returned in its final state.")
102 Output_def *odef = unsmob_output_def (output_def);
103 Music *music = unsmob_music (mus);
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 (ly_c_string_p (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);
171 if (bpd->c_variable ("is-bookpaper") == SCM_BOOL_T)
173 Real scale = ly_scm2double (bpd->c_variable ("outputscale"));
175 Output_def * def = scale_output_def (unsmob_output_def (outdef), scale);
176 scaled_def = def->self_scm ();
178 scaled_bookdef = scale_output_def (bpd, scale)->self_scm ();
179 unsmob_output_def (scaled_def)->parent_ = unsmob_output_def (scaled_bookdef);
181 scm_gc_unprotect_object (scaled_bookdef);
182 scm_gc_unprotect_object (scaled_def);
185 SCM context = ly_run_translator (music, scaled_def);
187 if (Global_context *g = dynamic_cast<Global_context*>
188 (unsmob_context (context)))
190 SCM systems = ly_format_output (context, outname);
191 Music_output *output = g->get_output ();
192 if (systems != SCM_UNDEFINED)
195 ugh, this is strange, Paper_book without a Book object.
197 Paper_book *paper_book = new Paper_book ();
198 paper_book->header_ = header;
199 paper_book->bookpaper_ = unsmob_output_def (scaled_bookdef);
205 paper_book->score_lines_.push (sc);
207 paper_book->classic_output (ly_scm2string (outname));
208 scm_gc_unprotect_object (paper_book->self_scm ());
213 scm_remember_upto_here_1 (scaled_def);
214 scm_remember_upto_here_1 (scaled_bookdef);
218 PAPERBOOK should be scaled already.
221 Score::book_rendering (String outname,
222 Output_def *paperbook,
223 Output_def *default_def)
225 SCM scaled_bookdef = SCM_EOL;
228 if (paperbook && paperbook->c_variable ("is-bookpaper") == SCM_BOOL_T)
230 scale = ly_scm2double (paperbook->c_variable ("outputscale"));
233 SCM out = scm_makfrom0str (outname.to_str0 ());
234 SCM systems = SCM_EOL;
235 int outdef_count = defs_.size ();
236 for (int i = 0; !i || i < outdef_count; i++)
238 Output_def *def = outdef_count ? defs_[i] : default_def;
240 if (def->c_variable ("is-paper") == SCM_BOOL_T)
242 def = scale_output_def (def, scale);
243 def->parent_ = paperbook;
244 scaled = def->self_scm ();
245 scm_gc_unprotect_object (scaled);
249 TODO: fix or junk --no-paper.
252 SCM context = ly_run_translator (music_, def->self_scm ());
253 if (dynamic_cast<Global_context*> (unsmob_context (context)))
255 SCM s = ly_format_output (context, out);
256 if (s != SCM_UNDEFINED)
262 scm_remember_upto_here_1 (scaled);
265 scm_remember_upto_here_1 (scaled_bookdef);
269 LY_DEFINE (ly_score_bookify, "ly:score-bookify",
271 (SCM score_smob, SCM header),
272 "Return @var{score_smob} encapsulated in a Book object. Set "
273 "@var{header} as book level header.")
275 SCM_ASSERT_TYPE (unsmob_score (score_smob), score_smob, SCM_ARG1, __FUNCTION__, "score_smob");
277 Score *score = unsmob_score (score_smob);
278 Book *book = new Book;
279 book->scores_.push (score);
280 book->header_ = header;
281 scm_gc_unprotect_object (book->self_scm ());
282 return book->self_scm ();
286 LY_DEFINE (ly_score_embedded_format, "ly:score-embedded-format",
287 2, 0, 0, (SCM score, SCM paper),
288 "Run @var{score} through @var{paper}, a output definition, "
289 " scaled to correct outputscale already, return a list of paper-lines. ")
291 Score * sc = unsmob_score (score);
292 Output_def *od = unsmob_output_def (paper);
294 SCM_ASSERT_TYPE (sc, score, SCM_ARG1, __FUNCTION__, "Score");
295 SCM_ASSERT_TYPE (od, paper, SCM_ARG2, __FUNCTION__, "Output_def");
298 Output_def * score_def = 0;
301 UGR, FIXME, these are default \paper blocks once again. They suck.
303 for (int i = 0; !score_def && i < sc->defs_.size (); i++)
305 if (sc->defs_[i]->c_variable ("is-paper") == SCM_BOOL_T)
307 score_def = sc->defs_[i];
315 score_def = score_def->clone ();
316 SCM prot = score_def->self_scm ();
317 scm_gc_unprotect_object (prot);
321 TODO: SCORE_DEF should be scaled according to OD->parent_ or OD
326 score_def->parent_ = od;
328 SCM context = ly_run_translator (sc->music_, score_def->self_scm ());
329 lines = ly_format_output (context, scm_makfrom0str ("<embedded>"));
331 scm_remember_upto_here_1 (prot);