/*
- 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 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 2004--2008 Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "paper-system.hh"
+#include "item.hh"
-#include "virtual-methods.hh"
-
-#include "ly-smobs.icc"
-
-IMPLEMENT_SMOBS (Paper_system);
-IMPLEMENT_TYPE_P (Paper_system, "ly:paper-system?");
-IMPLEMENT_DEFAULT_EQUAL_P (Paper_system);
-
-
-
-Paper_system::Paper_system (Stencil s, bool is_title)
+Prob *
+make_paper_system (SCM immutable_init)
{
- is_title_ = is_title;
- number_ = 0;
- break_before_penalty_ = 0;
- smobify_self ();
- stencil_ = s;
- staff_refpoints_ = Interval(0,0);
+ Prob *prob = new Prob (ly_symbol2scm ("paper-system"), immutable_init);
+ return prob;
}
-Paper_system::~Paper_system ()
+void
+paper_system_set_stencil (Prob *prob, Stencil s)
{
-}
+ SCM yext = prob->get_property ("Y-extent");
-SCM
-Paper_system::mark_smob (SCM smob)
-{
- Paper_system *system = (Paper_system*) SCM_CELL_WORD_1 (smob);
- return system-> stencil_.expr ();
-}
+ if (is_number_pair (yext))
+ {
+ Box b = s.extent_box ();
+ b[Y_AXIS] = ly_scm2interval (yext);
-int
-Paper_system::print_smob (SCM smob, SCM port, scm_print_state*)
-{
- Paper_system *p = (Paper_system*) SCM_CELL_WORD_1 (smob);
- scm_puts ("#<", port);
- scm_puts (classname (p), port);
- scm_puts (" ", port);
- scm_puts (to_string (p->number_).to_str0 (), port);
- scm_puts ("p ", port);
- scm_puts (to_string (p->break_before_penalty_).to_str0 (), port);
- if (p->is_title ())
- scm_puts (" t", port);
- scm_puts (" >", port);
- return 1;
-}
-
-bool
-Paper_system::is_title () const
-{
- return is_title_;
-}
+ s = Stencil (b, s.expr ());
+ }
-Real
-Paper_system::break_before_penalty () const
-{
- return break_before_penalty_;
-}
-
-Stencil
-Paper_system::to_stencil () const
-{
- return stencil_;
+ prob->set_property ("stencil", s.smobbed_copy ());
}