2 stem-grav.cc -- implement Stem_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
9 #include "stem-grav.hh"
10 #include "note-head.hh"
12 #include "musical-request.hh"
13 #include "duration-convert.hh"
16 Stem_engraver::Stem_engraver()
20 default_abbrev_i_ = 16;
25 Stem_engraver::do_creation_processing ()
27 Scalar prop = get_property ("abbrev");
30 default_abbrev_i_ = prop;
35 Stem_engraver::acknowledge_element(Score_elem_info i)
37 if (i.elem_l_->is_type_b (Rhythmic_head::static_name()))
39 Rhythmic_head *h = (Rhythmic_head*) i.elem_l_->item();
42 Rhythmic_req * r = i.req_l_->musical()->rhythmic();
44 int durlog_i = r->duration_.durlog_i_;
45 stem_p_->flag_i_ = durlog_i;
50 int t = abbrev_req_l_->type_i_;
52 t = default_abbrev_i_;
54 default_abbrev_i_ = t;
55 stem_p_->abbrev_flag_i_ =intlog2 (t) - (durlog_i>? 2);
57 announce_element (Score_elem_info (stem_p_, r));
64 Stem_engraver::do_pre_move_processing()
68 Scalar prop = get_property ("ydirection");
69 dir_ = prop.isnum_b () ? int(prop) : CENTER;
73 typeset_element(stem_p_);
80 Stem_engraver::do_try_request (Request* r)
82 Musical_req* mus_l = r->musical ();
86 Abbreviation_req* a = mus_l->abbrev ();
95 IMPLEMENT_IS_TYPE_B1(Stem_engraver, Engraver);
96 ADD_THIS_TRANSLATOR(Stem_engraver);