2 abbrev.cc -- implement Abbreviation
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
13 #include "paper-def.hh"
18 Abbreviation::Abbreviation ()
25 Abbreviation::do_print () const
27 DOUT << "abbrev_flags_i_ " << abbrev_flags_i_;
31 Abbreviation::do_brew_molecule_p () const
33 Real interbeam_f = paper_l ()->interbeam_f (stem_l_->mult_i_);
34 Real w = 1.5 * lookup_l ()->ball (2).dim_.x ().length ();
35 Real space = stem_l_->staff_line_leading_f ();
36 Real internote_f = space/2;
38 Real beam_f = paper_l ()->beam_thickness_f ();
41 Real slope_f = internote_f / 4 / internote_f; // HUH?
43 if (stem_l_ && stem_l_->beam_l_) {
44 slope_f = stem_l_->beam_l_->slope_f_;
45 // ugh, rather calc from Abbreviation_req
46 beams_i = stem_l_->beams_i_drul_[RIGHT] >? stem_l_->beams_i_drul_[LEFT];
48 Real sl = slope_f * internote_f;
50 Molecule a (lookup_l ()->beam (sl, w, beam_f));
51 a.translate (Offset (-w/2, w / 2 * slope_f));
53 Molecule *beams= new Molecule;
54 for (int i = 0; i < abbrev_flags_i_; i++)
57 b.translate_axis (interbeam_f * i, Y_AXIS);
58 beams->add_molecule (b);
60 beams->translate_axis (-beams->extent ()[Y_AXIS].center (), Y_AXIS);
66 beams->translate (Offset(stem_l_->hpos_f () - hpos_f (),
67 stem_l_->stem_end_f () * internote_f -
68 stem_l_->beam_l_->dir_ * beams_i * interbeam_f));
73 Beams should intersect one beamthickness below staff end
75 Real dy = - beams->extent ()[Y_AXIS].length () / 2 * stem_l_->dir_;
77 dy += stem_l_->stem_end_f ();
79 // urg: can't: stem should be stetched first
80 // dy -= paper_l ()->beam_thickness_f () * stem_l_->dir_;
81 beams->translate (Offset(stem_l_->hpos_f () - hpos_f (), dy));
85 there used to be half a page of code that was long commented out.
94 Abbreviation::do_substitute_element_pointer (Score_element*o, Score_element*n)
97 stem_l_ = dynamic_cast<Stem*> (n);
102 Abbreviation::set_stem (Stem *s)