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"
41 IMPLEMENT_SMOBS (Score);
42 IMPLEMENT_DEFAULT_EQUAL_P (Score);
43 IMPLEMENT_TYPE_P (Score, "ly:score?");
46 Score::mark_smob (SCM s)
48 Score *sc = (Score*) SCM_CELL_WORD_1 (s);
50 scm_gc_mark (sc->header_);
51 for (int i = sc->defs_.size (); i--;)
52 scm_gc_mark (sc->defs_[i]->self_scm ());
57 Score::print_smob (SCM , SCM p, scm_print_state*)
59 scm_puts ("#<Score>", p);
64 Score::Score (Score const &s)
74 Music *m =unsmob_music (s.music_);
75 music_ = m ? m->clone ()->self_scm () : SCM_EOL;
76 scm_gc_unprotect_object (music_);
78 for (int i = 0; i < s.defs_.size (); i++)
79 defs_.push (s.defs_[i]->clone ());
81 header_ = ly_make_anonymous_module (false);
82 if (ly_c_module_p (s.header_))
83 ly_import_module (header_, s.header_);
87 LY_DEFINE (ly_run_translator, "ly:run-translator",
88 2, 0, 0, (SCM mus, SCM output_def),
89 "Process @var{mus} according to @var{output_def}. "
90 "An interpretation context is set up, "
91 "and @var{mus} is interpreted with it. "
92 "The context is returned in its final state.")
94 Output_def *odef = unsmob_output_def (output_def);
95 Music *music = unsmob_music (mus);
100 SCM_ASSERT_TYPE (music, mus, SCM_ARG1, __FUNCTION__, "Music");
101 SCM_ASSERT_TYPE (odef, output_def, SCM_ARG2, __FUNCTION__, "Output definition");
105 Global_context *trans = new Global_context (odef, music->get_length ());
109 programming_error ("no toplevel translator");
112 progress_indication (_ ("Interpreting music... "));
114 SCM protected_iter = Music_iterator::get_static_get_iterator (music);
115 Music_iterator * iter = unsmob_iterator (protected_iter);
116 iter->init_translator (music, trans);
118 iter->construct_children ();
122 warning (_ ("Need music in a score"));
123 /* todo: should throw exception. */
127 trans->run_iterator_on_me (iter);
129 scm_remember_upto_here_1 (protected_iter);
132 if (verbose_global_b)
133 progress_indication (_f ("elapsed time: %.2f seconds", timer.read ()));
135 return scm_gc_unprotect_object (trans->self_scm ());
138 LY_DEFINE (ly_format_output, "ly:format-output",
139 2, 0, 0, (SCM context, SCM outname),
140 "Given a Score context in its final state,"
141 "process it and return the (rendered) result.")
143 Global_context *g = dynamic_cast<Global_context*> (unsmob_context (context));
144 SCM_ASSERT_TYPE (g, context, SCM_ARG1, __FUNCTION__, "Global context");
145 SCM_ASSERT_TYPE (ly_c_string_p (outname), outname, SCM_ARG2, __FUNCTION__, "output filename");
147 Music_output *output = g->get_output ();
148 progress_indication ("\n");
149 /* ugh, midi still wants outname */
150 return output->process (ly_scm2string (outname));
154 default_rendering (SCM music, SCM outdef,
156 SCM header, SCM outname)
158 SCM scaled_def = outdef;
159 SCM scaled_bookdef = book_outputdef;
161 Output_def *bpd = unsmob_output_def (book_outputdef);
164 if (bpd->c_variable ("is-bookpaper") == SCM_BOOL_T)
166 Real scale = ly_scm2double (bpd->c_variable ("outputscale"));
168 Output_def *def = scale_output_def (unsmob_output_def (outdef), scale);
169 scaled_def = def->self_scm ();
171 scaled_bookdef = scale_output_def (bpd, scale)->self_scm ();
172 unsmob_output_def (scaled_def)->parent_
173 = unsmob_output_def (scaled_bookdef);
175 scm_gc_unprotect_object (scaled_bookdef);
176 scm_gc_unprotect_object (scaled_def);
179 SCM context = ly_run_translator (music, scaled_def);
180 if (Global_context *g = dynamic_cast<Global_context*>
181 (unsmob_context (context)))
183 SCM systems = ly_format_output (context, outname);
184 Music_output *output = g->get_output ();
185 if (systems != SCM_UNDEFINED)
187 /* ugh, this is strange, Paper_book without a Book object. */
188 Paper_book *paper_book = new Paper_book ();
189 paper_book->header_ = header;
190 paper_book->bookpaper_ = unsmob_output_def (scaled_bookdef);
193 sc.systems_ = systems;
196 paper_book->score_systems_.push (sc);
198 paper_book->classic_output (ly_scm2string (outname));
199 scm_gc_unprotect_object (paper_book->self_scm ());
204 scm_remember_upto_here_1 (scaled_def);
205 scm_remember_upto_here_1 (scaled_bookdef);
209 Format score, return systems. OUTNAME is still passed to create a midi
212 PAPERBOOK should be scaled already.
216 Score::book_rendering (String outname,
217 Output_def *paperbook,
218 Output_def *default_def)
220 SCM scaled_bookdef = SCM_EOL;
223 if (paperbook && paperbook->c_variable ("is-bookpaper") == SCM_BOOL_T)
224 scale = ly_scm2double (paperbook->c_variable ("outputscale"));
226 SCM out = scm_makfrom0str (outname.to_str0 ());
227 SCM systems = SCM_EOL;
228 int outdef_count = defs_.size ();
229 for (int i = 0; !i || i < outdef_count; i++)
231 Output_def *def = outdef_count ? defs_[i] : default_def;
233 if (def->c_variable ("is-paper") == SCM_BOOL_T)
235 def = scale_output_def (def, scale);
236 def->parent_ = paperbook;
237 scaled = def->self_scm ();
238 scm_gc_unprotect_object (scaled);
241 /* TODO: fix or junk --no-paper. */
242 SCM context = ly_run_translator (music_, def->self_scm ());
243 if (dynamic_cast<Global_context*> (unsmob_context (context)))
245 SCM s = ly_format_output (context, out);
246 if (s != SCM_UNDEFINED)
250 scm_remember_upto_here_1 (scaled);
253 scm_remember_upto_here_1 (scaled_bookdef);
260 LY_DEFINE (ly_score_embedded_format, "ly:score-embedded-format",
261 2, 0, 0, (SCM score, SCM paper),
262 "Run @var{score} through @var{paper}, an output definition, "
263 "scaled to correct outputscale already, "
264 "return a list of paper-lines.")
266 Score * sc = unsmob_score (score);
267 Output_def *od = unsmob_output_def (paper);
269 SCM_ASSERT_TYPE (sc, score, SCM_ARG1, __FUNCTION__, "Score");
270 SCM_ASSERT_TYPE (od, paper, SCM_ARG2, __FUNCTION__, "Output_def");
272 Output_def * score_def = 0;
274 /* UGR, FIXME, these are default \paper blocks once again. They
276 for (int i = 0; !score_def && i < sc->defs_.size (); i++)
277 if (sc->defs_[i]->c_variable ("is-paper") == SCM_BOOL_T)
278 score_def = sc->defs_[i];
281 return scm_c_make_vector (0, SCM_EOL);
283 score_def = score_def->clone ();
284 SCM prot = score_def->self_scm ();
285 scm_gc_unprotect_object (prot);
287 /* TODO: SCORE_DEF should be scaled according to OD->parent_ or OD
289 score_def->parent_ = od;
291 SCM context = ly_run_translator (sc->music_, score_def->self_scm ());
292 SCM lines = ly_format_output (context, scm_makfrom0str ("<embedded>"));
294 scm_remember_upto_here_1 (prot);