2 paper-def.cc -- implement Paper_def
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1998 Han-Wen Nienhuys <hanwen@stack.nl>
13 #include "paper-def.hh"
17 #include "assoc-iter.hh"
18 #include "score-grav.hh"
23 Paper_def::Paper_def ()
26 real_vars_p_ = new Dictionary<Real>;
29 Paper_def::~Paper_def ()
35 Paper_def::Paper_def (Paper_def const&s)
36 : Music_output_def (s)
38 lookup_p_ = s.lookup_p_? new Lookup (*s.lookup_p_) : 0;
39 lookup_p_->paper_l_ = this;
40 real_vars_p_ = new Dictionary<Real> (*s.real_vars_p_);
44 Paper_def::set_var (String s, Real r)
46 real_vars_p_->elem (s) = r;
50 Paper_def::get_var (String s) const
52 if (! real_vars_p_->elt_b (s))
53 error (_ ("unknown paper variable `") + s+"'");
54 return real_vars_p_->elem (s);
58 Paper_def::line_dimensions_int (int n) const
60 if (!shape_int_a_.size ())
62 return Interval (0, linewidth_f ());
64 return Interval (get_var ("indent"), linewidth_f ());
66 if (n >= shape_int_a_.size ())
67 n = shape_int_a_.size () -1;
69 return shape_int_a_[n];
73 Paper_def::beam_thickness_f () const
75 return get_var ("beam_thickness");
79 Paper_def::linewidth_f () const
81 return get_var ("linewidth");
85 Paper_def::duration_to_dist (Moment d,Real k) const
87 if (get_var ("geometric"))
88 return geometric_spacing (d);
89 return arithmetic_spacing (d,k);
94 Get the measure wide constant for arithmetic.
97 John S. Gourlay. ``Spacing a Line of Music,'' Technical Report
98 OSU-CISRC-10/87-TR35, Department of Computer and Information Science,
99 The Ohio State University, 1987.
103 Paper_def::arithmetic_constant (Moment d) const
105 return get_var ("arithmetic_basicspace") - log_2 (Moment (1,8) <? d);
109 Paper_def::arithmetic_spacing (Moment d ,Real k) const
111 return (log_2 (d) + k)* get_var ("arithmetic_multiplier");
115 Paper_def::geometric_spacing (Moment d) const
117 Real dur_f = (d) ?pow (get_var ("geometric"), log_2 (d)) : 0;
118 return get_var ("basicspace") + get_var ("unitspace") * dur_f;
122 Paper_def::set (Lookup*l)
124 assert (l != lookup_p_);
127 lookup_p_->paper_l_ = this;
131 Paper_def::interline_f () const
133 return get_var ("interline");
137 Paper_def::rule_thickness () const
139 return get_var ("rulethickness");
143 Paper_def::staffline_f () const
145 return get_var ("rulethickness");
149 Paper_def::staffheight_f () const
151 return get_var ("staffheight");
155 Paper_def::interbeam_f (int multiplicity_i) const
157 if (multiplicity_i <= 3)
158 return get_var ("interbeam");
160 return get_var ("interbeam4");
164 Paper_def::internote_f () const
166 return get_var ("internote");
170 Paper_def::note_width () const
172 return get_var ("notewidth");
176 Paper_def::print () const
179 Music_output_def::print ();
182 for (Assoc_iter<String,Real> i (*real_vars_p_); i.ok (); i++)
184 DOUT << i.key () << "= " << i.val () << "\n";
191 Paper_def::lookup_l ()
197 IMPLEMENT_IS_TYPE_B1 (Paper_def, Music_output_def);
200 Paper_def::TeX_output_settings_str () const
203 for (Assoc_iter<String,Real> i (*real_vars_p_); i.ok (); i++)
204 s += String ("\\def\\mudelapaper") + i.key () + "{" + i.val () + "}\n";
205 s += lookup_p_->texsetting + "% (Tex id)\n";
209 int Paper_def::default_count_i_ = 0;
212 Paper_def::get_next_default_count () const
214 return default_count_i_ ++;