source file of the GNU LilyPond music typesetter
- (c) 2005--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 2005--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "prob.hh"
-#include "skyline.hh"
LY_DEFINE (ly_prob_set_property_x, "ly:prob-set-property!",
2, 1, 0, (SCM obj, SCM sym, SCM value),
return pr->unprotect ();
}
-
-LY_DEFINE (ly_paper_system_p, "ly:paper-system?",
- 1, 0, 0, (SCM obj),
- "Type predicate.")
+
+LY_DEFINE (ly_prob_mutable_properties, "ly:prob-mutable-properties",
+ 1, 0, 0,
+ (SCM prob),
+ "Retrieve an alist of mutable properties.")
{
- return ly_prob_type_p (obj, ly_symbol2scm ("paper-system"));
+ LY_ASSERT_SMOB (Prob, prob, 1);
+ Prob *ps = unsmob_prob (prob);
+ return ps->get_property_alist (true);
}
-LY_DEFINE (ly_paper_system_minimum_distance, "ly:paper-system-minimum-distance",
- 2, 0, 0, (SCM sys1, SCM sys2),
- "Measure the minimum distance between these two paper-systems,"
- " using their stored skylines if possible and falling back to"
- " their extents otherwise.")
+LY_DEFINE (ly_prob_immutable_properties, "ly:prob-immutable-properties",
+ 1, 0, 0,
+ (SCM prob),
+ "Retrieve an alist of mutable properties.")
{
- Real ret = 0;
- Prob *p1 = unsmob_prob (sys1);
- Prob *p2 = unsmob_prob (sys2);
- Skyline_pair *sky1 = Skyline_pair::unsmob (p1->get_property ("vertical-skylines"));
- Skyline_pair *sky2 = Skyline_pair::unsmob (p2->get_property ("vertical-skylines"));
-
- if (sky1 && sky2)
- ret = (*sky1)[DOWN].distance ((*sky2)[UP]);
- else
- {
- Stencil *s1 = unsmob_stencil (p1->get_property ("stencil"));
- Stencil *s2 = unsmob_stencil (p2->get_property ("stencil"));
- Interval iv1 = s1->extent (Y_AXIS);
- Interval iv2 = s2->extent (Y_AXIS);
- ret = iv2[UP] - iv1[DOWN];
- }
- return scm_from_double (ret);
+ LY_ASSERT_SMOB (Prob, prob, 1);
+ Prob *ps = unsmob_prob (prob);
+ return ps->get_property_alist (false);
}
+