src/score.cc

   1 /*
   2   score.cc -- implement Score
   3
   4   source file of the LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8 #include "tex-stream.hh"
   9 #include "score.hh"
  10 #include "score-column.hh"
  11 #include "pscore.hh"
  12 #include "staff.hh"
  13 #include "debug.hh"
  14 #include "paper-def.hh"
  15 #include "main.hh"
  16 #include "source.hh"
  17 #include "source-file.hh"
  18 #include "score-walker.hh"
  19 #include "midi-output.hh"
  20 #include "midi-def.hh"
  21
  22 extern String default_out_fn;
  23
  24 void
  25 Score::setup_music()
  26 {
  27     *mlog << "\nSetting up music ..." << flush;
  28     if (last() == Moment(0)) {
  29         errorlevel_i_ |= 1;
  30         error("Need to have music in a score.", defined_ch_c_l_);
  31     }
  32
  33     for (iter_top(staffs_,i); i.ok(); i++) {
  34         i->setup_staffcols();
  35         i->OK();
  36     }
  37 }
  38
  39 void
  40 Score::process_music()
  41 {
  42     *mlog << "Processing music ..." << flush;
  43     for (Score_walker w(this); w.ok(); w++) {
  44         w.process();
  45    }
  46 }
  47
  48 void
  49 Score::process()
  50 {
  51     setup_music();
  52
  53     paper();
  54     midi();
  55 }
  56
  57 void
  58 Score::paper()
  59 {
  60     if (!paper_p_)
  61         return;
  62
  63     pscore_p_ = new PScore(paper_p_);
  64
  65     find_col(0, false)->set_breakable(); // ugh
  66     find_col(last(), false)->set_breakable();
  67     do_cols();
  68
  69     for (iter_top(staffs_,i); i.ok(); i++)
  70         i->set_output(pscore_p_);
  71
  72
  73     process_music();
  74     clean_cols();    // can't move clean_cols() farther up.
  75     print();
  76     calc_idealspacing();
  77
  78     // debugging
  79     OK();
  80     *mlog << endl;
  81     pscore_p_->process();
  82
  83     // output
  84     paper_output();
  85
  86 }
  87
  88 /**
  89   Remove empty cols, preprocess other columns.
  90   */
  91 void
  92 Score::clean_cols()
  93 {
  94     for (iter_top(staffs_,i); i.ok(); i++)
  95         i->clean_cols();
  96
  97     for (iter_top(cols_,c); c.ok(); ) {
  98         if (!c->pcol_l_->used_b()) {
  99             delete c.get_p();
 100         } else {
 101             c->preprocess();
 102             c++;
 103         }
 104     }
 105 }
 106
 107 /**
 108   Create columns at time #w#.
 109   this sux.  We should have Score_column create the appropriate PCol.
 110   Unfortunately, PCols don't know about their position.
 111
 112   @return cursor pointing to the nonmusical (first) column
 113   */
 114 PCursor<Score_column*>
 115 Score::create_cols(Moment w)
 116 {
 117     Score_column* c1 = new Score_column(w);
 118     Score_column* c2 = new Score_column(w);
 119
 120     c1->musical_b_ = false;
 121     c2->musical_b_ = true;
 122
 123     iter_top(cols_,i);
 124
 125     for (; i.ok(); i++) {
 126         assert(i->when() != w);
 127         if (i->when() > w)
 128             break;
 129     }
 130
 131     if (!i.ok()) {
 132         cols_.bottom().add(c1);
 133         cols_.bottom().add(c2);
 134         i = cols_.bottom();
 135         i --;
 136     } else {
 137         i.insert(c1);
 138         i.insert(c2);
 139         i -= 2;
 140     }
 141     return i;
 142 }
 143
 144 PCursor<Score_column*>
 145 Score::find_col(Moment w, bool mus)
 146 {
 147     iter_top( cols_,i);
 148
 149     for (; i.ok(); i++) {
 150         if (i->when() == w && i->musical_b_ == mus)
 151             return i;
 152         if (i->when() > w)
 153             break;
 154     }
 155     i = create_cols(w);
 156     if (mus)
 157         i++;
 158     return i;
 159 }
 160
 161 void
 162 Score::do_cols()
 163 {
 164     iter_top(cols_,i);
 165     for (; i.ok(); i++) {
 166         pscore_p_->add(i->pcol_l_);
 167     }
 168 }
 169
 170 Moment
 171 Score::last() const
 172 {
 173     Moment l = 0;
 174     for (iter_top(staffs_,i); i.ok(); i++) {
 175         l = l>? i->last();
 176     }
 177     return l;
 178 }
 179
 180 void
 181 Score::set(Paper_def *pap_p)
 182 {
 183     delete paper_p_;
 184     paper_p_ = pap_p;
 185 }
 186
 187 void
 188 Score::set(Midi_def* midi_p)
 189 {
 190     delete midi_p_;
 191     midi_p_ = midi_p;
 192 }
 193
 194 void
 195 Score::OK() const
 196 {
 197 #ifndef NDEBUG
 198     for (iter_top(staffs_,i); i.ok(); i++) {
 199         i->OK();
 200         assert(i->score_l_ == this);
 201     }
 202     staffs_.OK();
 203     cols_.OK();
 204     for (iter_top(cols_,cc); cc.ok() && (cc+1).ok(); cc++) {
 205         assert(cc->when() <= (cc+1)->when());
 206     }
 207 #endif
 208 }
 209
 210
 211 void
 212 Score::print() const
 213 {
 214 #ifndef NPRINT
 215     mtor << "score {\n";
 216     for (iter_top(staffs_,i); i.ok(); i++) {
 217         i->print();
 218     }
 219     for (iter_top(cols_,i); i.ok(); i++) {
 220         i->print();
 221     }
 222     if (pscore_p_)
 223         pscore_p_->print();
 224     if (midi_p_)
 225         midi_p_->print();
 226
 227     mtor << "}\n";
 228 #endif
 229 }
 230
 231 Score::Score()
 232 {
 233     pscore_p_=0;
 234     paper_p_ = 0;
 235     midi_p_ = 0;
 236     errorlevel_i_ = 0;
 237     defined_ch_c_l_ = 0;
 238 }
 239
 240 Score::~Score()
 241 {
 242     delete pscore_p_;
 243     delete paper_p_;
 244     delete midi_p_;
 245 }
 246
 247 void
 248 Score::paper_output()
 249 {
 250     OK();
 251     if (paper_p_->outfile=="")
 252         paper_p_->outfile = default_out_fn + ".out";
 253
 254     if ( errorlevel_i_ ) {
 255         *mlog << "lilypond: warning: no output to: " << paper_p_->outfile
 256         << " (errorlevel=" << errorlevel_i_ << ")" << endl;
 257         return;
 258     }
 259
 260     *mlog << "TeX output to " << paper_p_->outfile << " ...\n";
 261
 262     Tex_stream the_output(paper_p_->outfile);
 263
 264     the_output << "% outputting Score, defined at: " <<
 265         source_l_g->
 266         sourcefile_l (defined_ch_c_l_)->file_line_no_str(defined_ch_c_l_) << "\n";
 267     pscore_p_->output(the_output);
 268 }
 269
 270 void
 271 Score::midi()
 272 {
 273     if (!midi_p_)
 274         return;
 275
 276     if (midi_p_->outfile_str_ == "")
 277         midi_p_->outfile_str_ = default_out_fn + ".midi";
 278
 279     *mlog << "midi output to " << midi_p_->outfile_str_ << " ...\n";
 280     Midi_output(this, midi_p_);
 281 }
 282
 283 void
 284 Score::add(Staff*s)
 285 {
 286     s->score_l_ = this;
 287     staffs_.bottom().add(s);
 288 }