-
-LY_DEFINE (ly_score_process, "ly:render-music-as-systems",
- 5, 0, 0, (SCM music,
- SCM outdef,
- SCM book_outputdef,
- SCM header,
- SCM outname),
- "Create output using a default \\book block. ")
-{
- SCM_ASSERT_TYPE(unsmob_music(music), music,
- SCM_ARG1, __FUNCTION__, "music");
- SCM_ASSERT_TYPE(unsmob_output_def (outdef), outdef,
- SCM_ARG2, __FUNCTION__, "output def");
- SCM_ASSERT_TYPE(unsmob_output_def (book_outputdef), book_outputdef,
- SCM_ARG3, __FUNCTION__, "output def");
- SCM_ASSERT_TYPE(scm_is_string (outname), outname,
- SCM_ARG5, __FUNCTION__, "string");
-
-
- SCM scaled_def = outdef;
- SCM scaled_bookdef = book_outputdef;
-
- Output_def *bpd = unsmob_output_def (book_outputdef);
-
- /* ugh . */
- assert (bpd->c_variable ("is-paper") == SCM_BOOL_T);
-
- Real scale = scm_to_double (bpd->c_variable ("output-scale"));
-
- Output_def *def = scale_output_def (unsmob_output_def (outdef), scale);
- Output_def *bdef = scale_output_def (bpd, scale);
- def->parent_ = bdef;
-
- scaled_def = def->self_scm ();
- scaled_bookdef = bdef->self_scm ();
-
- def->unprotect ();
- bdef->unprotect ();
-
- SCM context = ly_run_translator (music, scaled_def, SCM_BOOL_F);
- SCM output_as_scm = ly_format_output (context);
- Music_output *output = unsmob_music_output (output_as_scm);
-
- Paper_score *pscore = dynamic_cast<Paper_score *> (output);
- assert (pscore);
-
- /* ugh, this is strange, Paper_book without a Book object. */
- Paper_book *paper_book = new Paper_book ();
- paper_book->header_ = header;
- paper_book->paper_ = unsmob_output_def (scaled_bookdef);
-
- if (ly_is_module (header))
- paper_book->add_score (header);
-
- paper_book->add_score (pscore->self_scm ());
- paper_book->classic_output (outname);
- paper_book->unprotect ();
-
- scm_remember_upto_here_1 (scaled_def);
- scm_remember_upto_here_1 (scaled_bookdef);
-
- return SCM_UNSPECIFIED;
-}
-