/*
- 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--2005 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 2004--2008 Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "paper-system.hh"
#include "item.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, SCM immutable_init)
-{
- mutable_property_alist_ = SCM_EOL;
- immutable_property_alist_ = immutable_init;
- smobify_self ();
- stencil_ = s;
- staff_refpoints_ = Interval (0, 0);
- init_vars ();
-}
-
-
-Paper_system::~Paper_system ()
-{
-}
-
-SCM
-Paper_system::mark_smob (SCM smob)
-{
- Paper_system *system = (Paper_system *) SCM_CELL_WORD_1 (smob);
- scm_gc_mark (system->mutable_property_alist_);
- return system->stencil_.expr ();
-}
-
-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_display (p->mutable_property_alist_, port);
-
- scm_puts (" >", port);
- return 1;
-}
-
-
-Stencil
-Paper_system::to_stencil () const
+Prob *
+make_paper_system (SCM immutable_init)
{
- return stencil_;
+ Prob *prob = new Prob (ly_symbol2scm ("paper-system"), immutable_init);
+ return prob;
}
void
-Paper_system::init_vars ()
+paper_system_set_stencil (Prob *prob, Stencil s)
{
- SCM yext = get_property ("Y-extent");
- SCM staff_ext = get_property ("refpoint-Y-extent");
+ SCM yext = prob->get_property ("Y-extent");
- if (scm_is_pair (yext)
- && is_number_pair (scm_cdr (yext)))
+ if (is_number_pair (yext))
{
- Box b = stencil_.extent_box();
- b[Y_AXIS] = ly_scm2interval (scm_cdr (yext));
-
- stencil_ = Stencil (b, stencil_.expr ());
- }
+ Box b = s.extent_box ();
+ b[Y_AXIS] = ly_scm2interval (yext);
- if (scm_is_pair (staff_ext)
- && is_number_pair (scm_cdr (staff_ext)))
- {
- staff_refpoints_ = ly_scm2interval (scm_cdr (staff_ext));
+ s = Stencil (b, s.expr ());
}
-}
-SCM
-Paper_system::internal_get_property (SCM sym) const
-{
- /*
- TODO: type checking
- */
- SCM s = scm_sloppy_assq (sym, mutable_property_alist_);
- if (s != SCM_BOOL_F)
- return scm_cdr (s);
-
- s = scm_sloppy_assq (sym, immutable_property_alist_);
-
-
- return (s == SCM_BOOL_F) ? SCM_EOL : scm_cdr (s);
-}
-
-void
-Paper_system::internal_set_property (SCM sym, SCM val)
-{
- mutable_property_alist_ = scm_assq_set_x (mutable_property_alist_, sym, val);
-}
-
-/*
- todo: move to Paper_system property.
- */
-Interval
-Paper_system::staff_refpoints () const
-{
- return staff_refpoints_;
+ prob->set_property ("stencil", s.smobbed_copy ());
}