2 paper-def.cc -- implement Paper_def
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
12 #include "paper-def.hh"
15 #include "score-engraver.hh"
16 #include "paper-score.hh"
17 #include "identifier.hh"
20 #include "dictionary-iter.hh"
21 #include "file-results.hh" // urg? header_global_p
22 #include "paper-outputter.hh"
23 #include "paper-stream.hh"
26 Paper_def::Paper_def ()
28 lookup_p_tab_p_ = new Hash_table<int, Lookup*>;
29 lookup_p_tab_p_->hash_func_ = int_hash;
33 Paper_def::~Paper_def ()
35 for (Hash_table_iter<int, Lookup*> ai(*lookup_p_tab_p_); ai.ok (); ai++)
40 delete lookup_p_tab_p_;
43 Paper_def::Paper_def (Paper_def const&s)
44 : Music_output_def (s)
46 lookup_p_tab_p_ = new Hash_table<int, Lookup*>;
47 lookup_p_tab_p_->hash_func_ = int_hash;
49 for (Hash_table_iter<int, Lookup*> ai(*s.lookup_p_tab_p_); ai.ok (); ai++)
51 Lookup * l = new Lookup (*ai.val ());
52 set_lookup (ai.key(), l);
57 Paper_def::get_scm_var (SCM s) const
59 if (!scope_p_->elem_b (s))
62 Identifier * id = scope_p_->elem (s);
70 if (dynamic_cast<Real_identifier*> (id))
72 Real r = *id->access_content_Real (false);
73 val = gh_double2scm (r);
85 Paper_def::get_var (String s) const
87 return get_realvar (ly_symbol (s));
91 Paper_def::get_realvar (SCM s) const
93 if (!scope_p_->elem_b (s))
94 error (_f ("unknown paper variable: `%s\'", symbol_to_string (s)));
95 Real * p = scope_p_->elem (s)->access_content_Real (false);
98 error (_("not a real variable"));
106 Paper_def::line_dimensions_int (int n) const
108 if (!shape_int_a_.size ())
110 return Interval (0, linewidth_f ());
112 return Interval (get_var ("indent"), linewidth_f ());
114 if (n >= shape_int_a_.size ())
115 n = shape_int_a_.size () -1;
117 return shape_int_a_[n];
121 Paper_def::beam_thickness_f () const
123 return get_realvar (beam_thickness_scm_sym);
127 Paper_def::linewidth_f () const
129 return get_realvar (linewidth_scm_sym);
133 Paper_def::length_mom_to_dist (Moment d,Real k) const
135 return arithmetic_spacing (d,k);
140 Get the measure wide constant for arithmetic spacing.
143 John S. Gourlay. ``Spacing a Line of Music,'' Technical Report
144 OSU-CISRC-10/87-TR35, Department of Computer and Information Science,
145 The Ohio State University, 1987.
149 Paper_def::arithmetic_constant (Moment d) const
151 return get_var ("arithmetic_basicspace") - log_2 (Moment (1,8) <? d);
155 Paper_def::arithmetic_spacing (Moment d ,Real k) const
157 return (log_2 (d) + k)* get_var ("arithmetic_multiplier");
161 Paper_def::set_lookup (int i, Lookup*l)
163 if (lookup_p_tab_p_->elem_b (i))
165 delete lookup_p_tab_p_->elem (i);
167 (*lookup_p_tab_p_)[i] = l;
172 Paper_def::rule_thickness () const
174 return get_realvar (rulethickness_scm_sym);
178 Paper_def::staffline_f () const
180 return get_realvar (rulethickness_scm_sym);
184 Paper_def::staffheight_f () const
186 return get_realvar (staffheight_scm_sym);
190 Paper_def::interbeam_f (int multiplicity_i) const
192 if (multiplicity_i <= 3)
193 return get_realvar (interbeam_scm_sym);
195 return get_realvar (interbeam4_scm_sym);
199 Paper_def::note_width () const
201 return get_realvar (notewidth_scm_sym);
205 Paper_def::print () const
208 Music_output_def::print ();
211 for (Hash_table_iter<int, Lookup*> ai(*lookup_p_tab_p_); ai.ok (); ai++)
213 DOUT << "Lookup: " << ai.key () << " = " << ai.val ()->font_name_ << '\n';
221 Paper_def::lookup_l (int i) const
223 return (*lookup_p_tab_p_)[i];
228 int Paper_def::default_count_i_ = 0;
231 Paper_def::get_next_default_count () const
233 return default_count_i_ ++;
237 Paper_def::reset_default_count()
239 default_count_i_ = 0;
243 Paper_def::paper_outputter_p (Paper_stream* os_p, Header* header_l, String origin_str) const
245 Paper_outputter* p = new Paper_outputter (os_p);
247 // for now; breaks -fscm output
248 p->output_comment (_ ("outputting Score, defined at: "));
249 p->output_comment (origin_str);
253 p->output_scope (header_global_p, "mudela");
255 p->output_scope (header_l, "mudela");
257 p->output_scope (scope_p_, "mudelapaper");
260 *p->outstream_l_ << *scope_p_->elem (String (output_global_ch) + "setting")->access_content_String (false);
262 SCM scm = gh_list (ly_symbol ("experimental-on"), SCM_UNDEFINED);
263 p->output_scheme (scm);
264 scm = gh_list (ly_symbol ("header-end"), SCM_UNDEFINED);
265 p->output_scheme (scm);
271 Paper_def::paper_stream_p () const
273 String outname = base_output_str ();
276 outname += String (".") + output_global_ch;
277 *mlog << _f ("Paper output to %s...",
278 outname == "-" ? String ("<stdout>") : outname) << endl;
280 target_str_global_array.push (outname);
281 return new Paper_stream (outname);
286 Paper_def::base_output_str () const
288 String str = get_default_output ();
292 str = default_outname_base_global;
293 int def = get_next_default_count ();
295 str += "-" + to_str (def);