lily/book-scheme.cc

   1 /*
   2   book-scheme.cc -- implement Book bindings
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 2004--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include "book.hh"
  10 #include "output-def.hh"
  11 #include "score.hh"
  12 #include "ly-module.hh"
  13
  14 LY_DEFINE (ly_make_book, "ly:make-book",
  15            2, 0, 1, (SCM paper, SCM header, SCM scores),
  16            "Make a \\book of @var{paper} and @var{header} (which may be #f as well)  "
  17            "containing @code{\\scores}.")
  18 {
  19   Output_def *odef = unsmob_output_def (paper);
  20   SCM_ASSERT_TYPE (odef, paper,
  21                    SCM_ARG1, __FUNCTION__, "Output_def");
  22
  23   Book *book = new Book;
  24   book->paper_ = odef;
  25
  26   if (ly_c_module_p (header))
  27     book->header_ = header;
  28
  29   book->scores_ = scm_append (scm_list_2 (scores, book->scores_));
  30
  31   SCM x = book->self_scm ();
  32   scm_gc_unprotect_object (x);
  33   return x;
  34 }