+
+LY_DEFINE (ly_book_process, "ly:book-process",
+ 4, 0, 0, (SCM book_smob,
+ SCM default_paper,
+ SCM default_layout,
+ SCM output),
+ "Print book. @var{output} is passed to the backend unchanged. "
+ "Eg. it may be "
+ "a string (for file based outputs) or a socket (for network based "
+ "output).")
+{
+ Book *book = unsmob_book (book_smob);
+
+ LY_ASSERT_SMOB (Book, book_smob, 1);
+ LY_ASSERT_SMOB (Output_def, default_paper, 2);
+ LY_ASSERT_SMOB (Output_def, default_layout, 3);
+
+ Paper_book *pb = book->process (unsmob_output_def (default_paper),
+ unsmob_output_def (default_layout));
+ if (pb)
+ {
+ pb->output (output);
+ pb->unprotect ();
+ }
+
+ return SCM_UNSPECIFIED;
+}
+
+
+LY_DEFINE (ly_book_process_to_systems, "ly:book-process-to-systems",
+ 4, 0, 0, (SCM book_smob,
+ SCM default_paper,
+ SCM default_layout,
+ SCM output),
+ "Print book. @var{output} is passed to the backend unchanged. "
+ "Eg. it may be "
+ "a string (for file based outputs) or a socket (for network based "
+ "output).")
+{
+ LY_ASSERT_SMOB (Book, book_smob, 1);
+ LY_ASSERT_SMOB (Output_def, default_paper, 2);
+ LY_ASSERT_SMOB (Output_def, default_layout, 3);
+
+ Book *book = unsmob_book (book_smob);
+
+ Paper_book *pb = book->process (unsmob_output_def (default_paper),
+ unsmob_output_def (default_layout));
+ if (pb)
+ {
+ pb->classic_output (output);
+ pb->unprotect ();
+ }
+
+ return SCM_UNSPECIFIED;
+}
+