2 tuplet-number.cc -- implement Tuplet_number
4 source file of the GNU LilyPond music typesetter
6 (c) 2005--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
10 #include "tuplet-bracket.hh"
12 #include "paper-column.hh"
13 #include "text-interface.hh"
19 DECLARE_SCHEME_CALLBACK (print, (SCM));
20 DECLARE_SCHEME_CALLBACK (calc_cross_staff, (SCM));
21 DECLARE_GROB_INTERFACE ();
25 MAKE_SCHEME_CALLBACK (Tuplet_number, print, 1);
27 Tuplet_number::print (SCM smob)
29 Spanner *me = unsmob_spanner (smob);
30 Spanner *tuplet = unsmob_spanner (me->get_object ("bracket"));
32 if (!tuplet || !tuplet->is_live ())
39 Don't print if it doesn't span time.
41 if (robust_scm2moment (tuplet->get_bound (LEFT)->get_column ()->get_property ("when"), Moment (0))
42 == robust_scm2moment (tuplet->get_bound (RIGHT)->get_column ()->get_property ("when"), Moment (0)))
48 SCM stc_scm = Text_interface::print (smob);
49 Stencil *stc = unsmob_stencil (stc_scm);
51 stc->align_to (X_AXIS, CENTER);
52 stc->align_to (Y_AXIS, CENTER);
54 SCM cpoints = tuplet->get_property ("control-points");
55 Drul_array<Offset> points;
56 if (scm_is_pair (cpoints))
58 points[LEFT] = ly_scm2offset (scm_car (cpoints));
59 points[RIGHT] = ly_scm2offset (scm_cadr (cpoints));
63 programming_error ("wrong type for control-points");
65 stc->translate ((points[RIGHT] + points[LEFT]) / 2);
70 MAKE_SCHEME_CALLBACK (Tuplet_number, calc_cross_staff, 1)
72 Tuplet_number::calc_cross_staff (SCM smob)
74 Grob *me = unsmob_grob (smob);
75 return unsmob_grob (me->get_object ("bracket"))->get_property ("cross-staff");
78 ADD_INTERFACE (Tuplet_number,
79 "The number for a bracket. "