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 "ly-smobs.icc"
15 #include "music-output-def.hh"
16 #include "music-output.hh"
17 #include "music-iterator.hh"
19 #include "global-context.hh"
20 #include "scm-hash.hh"
21 #include "cpu-timer.hh"
23 #include "paper-def.hh"
24 #include "ly-module.hh"
25 #include "paper-book.hh"
26 #include "paper-score.hh"
44 IMPLEMENT_SMOBS (Score);
45 IMPLEMENT_DEFAULT_EQUAL_P (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);
69 store point & click locations.
70 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 ();
91 if (is_module (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 Music_output_def *odef = unsmob_music_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,
116 programming_error ("no toplevel translator");
119 progress_indication (_ ("Interpreting music... "));
121 SCM protected_iter = Music_iterator::get_static_get_iterator (music);
122 Music_iterator * iter = unsmob_iterator (protected_iter);
123 iter->init_translator (music, trans);
125 iter->construct_children ();
129 warning (_ ("Need music in a score"));
130 return SCM_BOOL_F; // todo: should throw exception.
133 trans->run_iterator_on_me (iter);
135 scm_remember_upto_here_1 (protected_iter);
138 if (verbose_global_b)
139 progress_indication (_f ("elapsed time: %.2f seconds", timer.read ()));
142 return scm_gc_unprotect_object (trans->self_scm ());
145 LY_DEFINE (ly_format_output, "ly:format-output",
146 2, 0, 0, (SCM context, SCM outname),
147 "Given a Score context in its final state,"
148 "process it and return the (rendered) result.")
150 Global_context *g = dynamic_cast<Global_context*> (unsmob_context (context));
151 SCM_ASSERT_TYPE (g, context, SCM_ARG1, __FUNCTION__, "Global context");
152 SCM_ASSERT_TYPE (ly_c_string_p (outname), outname, SCM_ARG2, __FUNCTION__, "output filename");
154 Music_output *output = g->get_output ();
155 progress_indication ("\n");
156 // ugh, midi still wants outname
157 return output->process (ly_scm2string (outname));
161 default_rendering (SCM music, SCM outdef, SCM header, SCM outname)
163 SCM context = ly_run_translator (music, outdef);
165 if (Global_context *g = dynamic_cast<Global_context*>
166 (unsmob_context (context)))
168 SCM systems = ly_format_output (context, outname);
169 Music_output *output = g->get_output ();
170 if (systems != SCM_UNDEFINED)
172 Paper_book *paper_book = new Paper_book ();
173 Paper_score *ps = dynamic_cast<Paper_score*> (output);
174 paper_book->papers_.push (ps->paper_);
175 paper_book->scores_.push (systems);
176 paper_book->headers_.push (header);
178 paper_book->classic_output (ly_scm2string (outname));
179 scm_gc_unprotect_object (paper_book->self_scm ());
186 Score::book_rendering (String outname, Music_output_def *default_def,
189 SCM out = scm_makfrom0str (outname.to_str0 ());
190 SCM systems = SCM_EOL;
191 int outdef_count = defs_.size ();
192 for (int i = 0; !i || i < outdef_count; i++)
194 Music_output_def *def = outdef_count ? defs_[i] : default_def;
195 SCM context = ly_run_translator (music_, def->self_scm ());
196 if (Global_context *g = dynamic_cast<Global_context*>
197 (unsmob_context (context)))
199 SCM s = ly_format_output (context, out);
200 if (s != SCM_UNDEFINED)
204 Music_output *output = g->get_output ();
205 if (Paper_score *ps = dynamic_cast<Paper_score*> (output))