2 paper-def.cc -- implement Paper_def
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
13 #include "paper-def.hh"
16 #include "dimension.hh"
17 #include "assoc-iter.hh"
18 #include "score-engraver.hh"
20 #include "identifier.hh"
24 #include "assoc-iter.hh"
26 Paper_def::Paper_def ()
28 lookup_p_assoc_p_ = new Assoc<int, Lookup*>;
32 Paper_def::~Paper_def ()
34 for (Assoc_iter<int, Lookup*> ai(*lookup_p_assoc_p_); ai.ok (); ai++)
40 delete lookup_p_assoc_p_;
43 Paper_def::Paper_def (Paper_def const&s)
44 : Music_output_def (s)
46 lookup_p_assoc_p_ = new Assoc<int, Lookup*>;
47 for (Assoc_iter<int, Lookup*> ai(*s.lookup_p_assoc_p_); ai.ok (); ai++)
49 Lookup * l=new Lookup (*ai.val ());
51 set_lookup (ai.key(), l);
54 scope_p_ = new Scope (*s.scope_p_);
58 Paper_def::get_var (String s) const
60 if (!scope_p_->elt_b (s))
61 error (_f ("unknown paper variable: `%s\'", s));
62 Real * p = scope_p_->elem (s)->access_Real (false);
65 error (_ ("not a real variable"));
73 Paper_def::line_dimensions_int (int n) const
75 if (!shape_int_a_.size ())
77 return Interval (0, linewidth_f ());
79 return Interval (get_var ("indent"), linewidth_f ());
81 if (n >= shape_int_a_.size ())
82 n = shape_int_a_.size () -1;
84 return shape_int_a_[n];
88 Paper_def::beam_thickness_f () const
90 return get_var ("beam_thickness");
94 Paper_def::linewidth_f () const
96 return get_var ("linewidth");
100 Paper_def::duration_to_dist (Moment d,Real k) const
102 if (get_var ("geometric"))
103 return geometric_spacing (d);
104 return arithmetic_spacing (d,k);
109 Get the measure wide constant for arithmetic.
112 John S. Gourlay. ``Spacing a Line of Music,'' Technical Report
113 OSU-CISRC-10/87-TR35, Department of Computer and Information Science,
114 The Ohio State University, 1987.
118 Paper_def::arithmetic_constant (Moment d) const
120 return get_var ("arithmetic_basicspace") - log_2 (Moment (1,8) <? d);
124 Paper_def::arithmetic_spacing (Moment d ,Real k) const
126 return (log_2 (d) + k)* get_var ("arithmetic_multiplier");
130 Paper_def::geometric_spacing (Moment d) const
132 Real dur_f = (d) ?pow (get_var ("geometric"), log_2 (d)) : 0;
133 return get_var ("basicspace") + get_var ("unitspace") * dur_f;
137 Paper_def::set_lookup (int i, Lookup*l)
139 if (lookup_p_assoc_p_->elt_b (i))
141 delete lookup_p_assoc_p_->elem (i);
144 (*lookup_p_assoc_p_)[i] = l;
148 Paper_def::interline_f () const
150 return get_var ("interline");
154 Paper_def::rule_thickness () const
156 return get_var ("rulethickness");
160 Paper_def::staffline_f () const
162 return get_var ("rulethickness");
166 Paper_def::staffheight_f () const
168 return get_var ("staffheight");
172 Paper_def::interbeam_f (int multiplicity_i) const
174 if (multiplicity_i <= 3)
175 return get_var ("interbeam");
177 return get_var ("interbeam4");
181 Paper_def::internote_f () const
183 return get_var ("internote");
187 Paper_def::note_width () const
189 return get_var ("notewidth");
193 Paper_def::print () const
196 Music_output_def::print ();
199 for (Assoc_iter<int, Lookup*> ai(*lookup_p_assoc_p_); ai.ok (); ai++)
201 DOUT << "Lookup: " << ai.key () ;
205 for (Assoc_iter<String,Identifier*> i (*scope_p_); i.ok (); i++)
207 DOUT << i.key () << "= ";
208 DOUT << i.val ()->str () << '\n';
215 Paper_def::lookup_l (int i) const
217 return (*lookup_p_assoc_p_)[i];
220 IMPLEMENT_IS_TYPE_B1 (Paper_def, Music_output_def);
223 Paper_def::TeX_output_settings_str () const
226 for (Assoc_iter<String,Identifier*> i (*scope_p_); i.ok (); i++)
227 s += String ("\\def\\mudelapaper") + i.key ()
228 + "{" + i.val ()->str () + "}\n";
229 s += *scope_p_->elem ("texsetting")->access_String ();
233 int Paper_def::default_count_i_ = 0;
236 Paper_def::get_next_default_count () const
238 return default_count_i_ ++;