src/request.cc

   1 /*
   2   request.cc -- implement all musical requests.
   3
   4   source file of the LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9 #include "musicalrequest.hh"
  10 #include "misc.hh"
  11 #include "debug.hh"
  12 #include "script-def.hh"
  13 #include "text-def.hh"
  14 #include "voice.hh"
  15 #include "voice-element.hh"
  16
  17 void
  18 Stem_req::do_print() const
  19 {
  20     Rhythmic_req::do_print();
  21     mtor << "dir : " << dir_i_;
  22 }
  23
  24 Stem_req::Stem_req(int s, int d)
  25     : Rhythmic_req(s,d)
  26 {
  27     dir_i_ = 0;
  28 }
  29
  30 /* ************** */
  31 void Musical_req::do_print()const{}
  32 void Request::do_print() const{}
  33
  34 /* *************** */
  35
  36 void
  37 Request::print() const
  38 {
  39     mtor << name() << " {";
  40     do_print();
  41     mtor << "}\n";
  42 }
  43
  44
  45
  46 void
  47 Span_req::do_print() const
  48 {
  49 #ifndef NPRINT
  50     mtor  << spantype ;
  51 #endif
  52 }
  53
  54 Request::Request()
  55 {
  56     elt_l_ = 0;
  57     defined_ch_c_l_ = 0;
  58 }
  59 Request::Request(Request const&src)
  60 {
  61     elt_l_ = 0;
  62     defined_ch_c_l_ = src.defined_ch_c_l_;
  63 }
  64 /* *************** */
  65 Spacing_req::Spacing_req()
  66 {
  67     next = 0;
  68     distance = 0;
  69     strength = 0;
  70 }
  71 void
  72 Spacing_req::do_print()const
  73 {
  74     mtor << "next " << next << "dist " << distance << "strength\n";
  75 }
  76
  77 void
  78 Blank_req::do_print()const
  79 {
  80     Spacing_req::do_print();
  81 }
  82 /* *************** */
  83 Melodic_req::Melodic_req()
  84 {
  85     notename_i_ = 0;
  86     octave_i_ = 0;
  87     accidental_i_ = 0;
  88     forceacc_b_ = false;
  89 }
  90
  91 void
  92 Melodic_req::do_print() const
  93 {
  94     mtor << "notename: " << notename_i_ << " acc: " <<accidental_i_<<" oct: "<< octave_i_;
  95 }
  96
  97 int
  98 Melodic_req::height() const
  99 {
 100     return  notename_i_ + octave_i_*7;
 101 }
 102
 103 /*
 104  should be settable from input to allow "viola"-mode
 105  */
 106 static Byte pitch_byte_a[ 7 ] = { 0, 2, 4, 5, 7, 9, 11 };
 107
 108 int
 109 Melodic_req::pitch() const
 110 {
 111     return  pitch_byte_a[ notename_i_ % 7 ] + accidental_i_ + octave_i_ * 12;
 112 }
 113
 114 Plet_req::Plet_req()
 115 {
 116     type_c_ = ']';
 117     dur_i_ = 1;
 118     type_i_ = 1;
 119 }
 120
 121 void
 122 Plet_req::do_print() const
 123 {
 124     mtor << "plet: " << type_c_ << ": " << dur_i_ << "/" << type_i_;
 125 }
 126
 127 /* *************** */
 128 int
 129 Rhythmic_req::compare(const Rhythmic_req &r1, const Rhythmic_req &r2)
 130 {
 131     return sign(r1.duration() - r2.duration());
 132 }
 133 Rhythmic_req::Rhythmic_req(int b, int d)
 134 {
 135     plet_factor = 1;
 136     balltype = b;
 137     dots = d;
 138 }
 139
 140 Rhythmic_req::Rhythmic_req()
 141 {
 142     plet_factor = 1;
 143     balltype = 1;
 144     dots = 0;
 145 }
 146
 147 void
 148 Rhythmic_req::do_print() const
 149 {
 150     mtor << "ball: " << balltype ;
 151     int d =dots;
 152     while (d--)
 153         mtor << '.';
 154
 155     mtor<<", plet factor"<<plet_factor<<"\n";
 156 }
 157
 158
 159 Moment
 160 Rhythmic_req::duration() const {
 161     return wholes(balltype,dots)*plet_factor;
 162 }
 163 /* *************** */
 164
 165 Lyric_req::Lyric_req(Text_def* def_p)
 166     :Text_req(0, def_p)
 167 {
 168     def_p->align_i_ = 0;        // centre
 169     dir_i_ = -1;                // lyrics below (invisible) staff
 170 }
 171
 172 void
 173 Lyric_req::do_print() const
 174 {
 175     Rhythmic_req::do_print();
 176     Text_req::do_print();
 177 }
 178 /* *************** */
 179 void
 180 Note_req::do_print() const
 181 {
 182     Melodic_req::do_print();
 183     Rhythmic_req::do_print();
 184 }
 185 /* *************** */
 186 void
 187 Rest_req::do_print() const
 188 {
 189         Rhythmic_req::do_print();
 190 }
 191
 192 /* *************** */
 193 Beam_req::Beam_req()
 194 {
 195     nplet = 0;
 196 }
 197
 198 void Beam_req::do_print()const{}
 199 /* *************** */
 200 void Slur_req::do_print()const{}
 201 /* *************** */
 202 int
 203 Span_req:: compare(const Span_req &r1, const Span_req &r2)
 204 {
 205      return r1.spantype - r2.spantype;
 206 }
 207
 208 Span_req::Span_req()
 209 {
 210     spantype = NOSPAN;
 211 }
 212
 213 /* *************** */
 214 Script_req::Script_req(int d , Script_def*def)
 215 {
 216     dir_i_ = d;
 217     scriptdef_p_ = def;
 218 }
 219
 220 int
 221 Script_req::compare(const Script_req &d1, const Script_req &d2)
 222 {
 223     return d1.dir_i_ == d2.dir_i_ &&
 224         d1.scriptdef_p_->compare(*d2.scriptdef_p_);
 225 }
 226
 227 Script_req::Script_req(Script_req const &s)
 228     : Request( s )
 229 {
 230     dir_i_ = s.dir_i_;
 231     scriptdef_p_ = new Script_def(*s.scriptdef_p_);
 232 }
 233
 234 void
 235 Script_req::do_print() const
 236 {
 237     mtor << " dir " << dir_i_ ;
 238     scriptdef_p_->print();
 239 }
 240
 241
 242 Script_req::~Script_req()
 243 {
 244     delete scriptdef_p_;
 245 }
 246 /* *************** */
 247 int
 248 Text_req:: compare(const Text_req &r1, const Text_req &r2)
 249 {
 250     bool b1 = (r1.dir_i_ == r2.dir_i_);
 251     bool b2 = (r1.tdef_p_ ->compare(*r2.tdef_p_));
 252     return b1 && b2;
 253 }
 254 Text_req::~Text_req()
 255 {
 256     delete tdef_p_;
 257     tdef_p_ = 0;
 258 }
 259
 260 Text_req::Text_req(Text_req const& src)
 261 {
 262     tdef_p_ = new Text_def(*src.tdef_p_);
 263     dir_i_ = src.dir_i_;
 264 }
 265
 266 Text_req::Text_req(int dir_i, Text_def* tdef_p)
 267 {
 268     dir_i_ = dir_i;
 269     tdef_p_ = tdef_p;
 270 }
 271
 272 void
 273 Text_req::do_print() const
 274 {
 275     mtor << " dir " << dir_i_ ;
 276     tdef_p_->print();
 277 }
 278
 279 /* *************** */
 280
 281 Moment
 282 Skip_req::duration() const
 283 {
 284     return duration_;
 285 }
 286
 287 void
 288 Skip_req::do_print() const
 289 {
 290     mtor << "duration: " << duration();
 291 }
 292
 293 Voice *
 294 Request::voice_l()
 295 {
 296     if (!elt_l_)
 297         return 0;
 298     else
 299         return (Voice*)elt_l_->voice_l_;
 300 }