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"
49 IMPLEMENT_SMOBS (Score);
50 IMPLEMENT_DEFAULT_EQUAL_P (Score);
54 Score::mark_smob (SCM s)
56 Score * sc = (Score*) SCM_CELL_WORD_1 (s);
59 scm_gc_mark (sc->header_);
60 for (int i = sc->defs_.size (); i--;)
61 scm_gc_mark (sc->defs_[i]->self_scm ());
67 Score::print_smob (SCM , SCM p, scm_print_state*)
69 scm_puts ("#<Score>", p);
77 store point & click locations.
78 Global to save some time. (Sue us!)
81 Score::Score (Score const &s)
88 Music * m =unsmob_music (s.music_);
89 music_ = m?m->clone ()->self_scm () : SCM_EOL;
90 scm_gc_unprotect_object (music_);
92 for (int i = 0; i < s.defs_.size (); i++)
93 defs_.push (s.defs_[i]->clone ());
95 header_ = ly_make_anonymous_module ();
96 if (ly_module_p (s.header_))
97 ly_copy_module_variables (header_, s.header_);
100 LY_DEFINE (ly_run_translator, "ly:run-translator",
101 2, 0, 0, (SCM mus, SCM output_def),
102 "Process @var{mus} according to @var{output_def}. "
103 "An interpretation context is set up, "
104 "and @var{mus} is interpreted with it. "
105 "The context is returned in its final state.")
107 Music_output_def *odef = unsmob_music_output_def (output_def);
108 Music *music = unsmob_music (mus);
110 SCM_ASSERT_TYPE (music, mus, SCM_ARG1, __FUNCTION__, "Music");
111 SCM_ASSERT_TYPE (odef, output_def, SCM_ARG2, __FUNCTION__, "Output definition");
115 Global_context * trans = new Global_context (odef);
119 programming_error ("no toplevel translator");
122 progress_indication (_ ("Interpreting music..."));
124 trans->final_mom_ = music->get_length ();
125 SCM protected_iter = Music_iterator::get_static_get_iterator (music);
126 Music_iterator * iter = unsmob_iterator (protected_iter);
127 iter->init_translator (music, trans);
129 iter->construct_children ();
133 warning (_ ("Need music in a score"));
134 return SCM_BOOL_F; // todo: shoudl throw exception.
137 trans->run_iterator_on_me (iter);
139 scm_remember_upto_here_1 (protected_iter);
142 if (verbose_global_b)
143 progress_indication (_f ("elapsed time: %.2f seconds", timer.read ()));
146 return scm_gc_unprotect_object (trans->self_scm ());
149 // FIXME: silly name, score/music is rendered, not the output -- render midi?
150 LY_DEFINE (ly_render_output, "ly:render-output",
151 2, 0, 0, (SCM context, SCM outname),
152 "Given a Score context in its final state,"
153 "process it and return the (rendered) result.")
155 Global_context *g = dynamic_cast<Global_context*> (unsmob_context (context));
156 SCM_ASSERT_TYPE (g, context, SCM_ARG1, __FUNCTION__, "Global context");
157 SCM_ASSERT_TYPE (gh_string_p (outname), outname, SCM_ARG2, __FUNCTION__, "output filename");
159 Music_output *output = g->get_output ();
160 progress_indication ("\n");
161 // ugh, midi still wants outname
162 return output->process (ly_scm2string (outname));
166 default_rendering (SCM music, SCM outdef, SCM header, SCM outname)
168 SCM context = ly_run_translator (music, outdef);
170 if (Global_context *g = dynamic_cast<Global_context*>
171 (unsmob_context (context)))
173 SCM systems = ly_render_output (context, outname);
174 Music_output *output = g->get_output ();
175 if (systems != SCM_UNDEFINED)
177 paper_book->scores_.push (systems);
178 paper_book->headers_.push (header);
179 Paper_score *ps = dynamic_cast<Paper_score*> (output);
180 paper_book->papers_.push (ps->paper_);
182 paper_book->classic_output (ly_scm2string (outname));