/*
- paper-system.cc -- implement Paper_system
+ paper-system.cc -- implement Prob functions for paper-system
source file of the GNU LilyPond music typesetter
- (c) 2004--2006 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 2004--2009 Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "paper-system.hh"
#include "item.hh"
-Paper_system::Paper_system (Stencil s, SCM immutable_init)
- : Prob (immutable_init)
+Prob *
+make_paper_system (SCM immutable_init)
{
- SCM yext = get_property ("Y-extent");
+ Prob *prob = new Prob (ly_symbol2scm ("paper-system"), immutable_init);
+ return prob;
+}
+
+void
+paper_system_set_stencil (Prob *prob, Stencil s)
+{
+ SCM yext = prob->get_property ("Y-extent");
if (is_number_pair (yext))
{
-
- Box b = s.extent_box();
+ Box b = s.extent_box ();
b[Y_AXIS] = ly_scm2interval (yext);
s = Stencil (b, s.expr ());
}
- set_property ("stencil", s.smobbed_copy ());
-}
-
-Paper_system *
-unsmob_paper_system (SCM x)
-{
- Prob *prob = unsmob_prob (x);
- return dynamic_cast<Paper_system*> (prob);
-}
-
-LY_DEFINE(ly_paper_system_p, "ly:paper-system?",
- 1,0,0, (SCM obj),
- "Type predicate.")
-{
- return scm_from_bool (unsmob_paper_system (obj));
+ prob->set_property ("stencil", s.smobbed_copy ());
}