src/lookup.cc

   1 #include "lookup.hh"
   2 #include "debug.hh"
   3 #include "symtable.hh"
   4 #include "dimen.hh"
   5 #include "tex.hh"
   6 #include "scalar.hh"
   7
   8 Lookup::Lookup()
   9 {
  10     texsetting = "\\unknowntexsetting";
  11     symtables_ = new Symtables;
  12 }
  13
  14 Lookup::Lookup(Lookup const &s)
  15 {
  16     texsetting = s.texsetting;
  17     symtables_ = new Symtables(*s.symtables_);
  18 }
  19 Lookup::~Lookup()
  20 {
  21     delete symtables_;
  22 }
  23
  24 void
  25 Lookup::add(String s, Symtable*p)
  26 {
  27     symtables_->add(s, p);
  28 }
  29
  30 Symbol
  31 Lookup::text(String style, String text, int dir)
  32 {
  33     Array<String> a;
  34
  35     a.push(text);
  36     Symbol tsym =  (*symtables_)("style")->lookup(style);
  37     a[0] = substitute_args(tsym.tex,a);
  38
  39     Symbol s = (*symtables_)("align")->lookup(dir);
  40     s.tex = substitute_args(s.tex,a);
  41     s.dim.y = tsym.dim.y;
  42     return s;
  43 }
  44
  45 /* *************** */
  46
  47 Real
  48 Lookup::internote()
  49 {
  50     return ball(4).dim.y.length()/2;
  51 }
  52
  53 Symbol
  54 Lookup::ball(int j)
  55 {
  56     if (j > 4)
  57         j = 4;
  58
  59     Symtable * st = (*symtables_)("balls");
  60     return st->lookup(String(j));
  61 }
  62
  63 Symbol
  64 Lookup::rest(int j)
  65 {
  66     return (*symtables_)("rests")->lookup(String(j));
  67 }
  68
  69 Symbol
  70 Lookup::fill(Box b)
  71 {
  72     Symbol s( (*symtables_)("param")->lookup("fill"));
  73     s.dim = b;
  74     return s;
  75 }
  76
  77 Symbol
  78 Lookup::accidental(int j)
  79 {
  80     return (*symtables_)("accidentals")->lookup(String(j));
  81 }
  82
  83
  84 Symbol
  85 Lookup::bar(String s)
  86 {
  87     return (*symtables_)("bars")->lookup(s);
  88 }
  89
  90 Symbol
  91 Lookup::script(String s)
  92 {
  93     return (*symtables_)("scripts")->lookup(s);
  94 }
  95
  96 Symbol
  97 Lookup::clef(String s)
  98 {
  99     return (*symtables_)("clefs")->lookup(s);
 100 }
 101
 102 Symbol
 103 Lookup::dots(int j)
 104 {
 105     if (j>3)
 106         error("max 3 dots");    // todo
 107     return (*symtables_)("dots")->lookup(j);
 108 }
 109
 110 Symbol
 111 Lookup::flag(int j)
 112 {
 113     return (*symtables_)("flags")->lookup(j);
 114 }
 115
 116 Symbol
 117 Lookup::streepjes(int i)
 118 {
 119     assert(i);
 120
 121     int arg;
 122     String idx;
 123
 124     if (i < 0) {
 125         idx = "botlines";
 126         arg = -i;
 127     } else {
 128         arg = i;
 129         idx = "toplines";
 130     }
 131     Symbol ret = (*symtables_)("streepjes")->lookup(idx);
 132
 133     Array<String> a;
 134     a.push(arg);
 135     ret.tex = substitute_args(ret.tex, a);
 136
 137     return ret;
 138 }
 139
 140 Symbol
 141 Lookup::hairpin(Real &wid, bool decresc)
 142 {
 143     int idx = int(rint(wid / 6 PT));
 144     if(!idx) idx ++;
 145     wid = idx*6 PT;
 146     String idxstr = (decresc)? "decrescendosym" : "crescendosym";
 147     Symbol ret=(*symtables_)("param")->lookup(idxstr);
 148
 149     Array<String> a;
 150     a.push(idx);
 151     ret.tex = substitute_args(ret.tex, a);
 152     ret.dim.x = Interval(0,wid);
 153     return ret;
 154 }
 155
 156 Symbol
 157 Lookup::linestaff(int lines, Real wid)
 158 {
 159     Symbol s;
 160     s.dim.x = Interval(0,wid);
 161     Real dy = (lines >0) ? (lines-1)*internote()*2 : 0;
 162     s.dim.y = Interval(0,dy);
 163
 164     Array<String> a;
 165     a.push(lines);
 166     a.push(print_dimen(wid));
 167
 168     s.tex = (*symtables_)("param")->lookup("linestaf").tex;
 169     s.tex = substitute_args(s.tex, a);
 170
 171     return s;
 172 }
 173
 174
 175 Symbol
 176 Lookup::meter(Array<Scalar> a)
 177 {
 178     Symbol s;
 179     s.dim.x = Interval( 0 PT, 10 PT);
 180     s.dim.y = Interval(0, 20 PT);       // todo
 181     String src = (*symtables_)("param")->lookup("meter").tex;
 182     s.tex = substitute_args(src,a);
 183     return s;
 184 }
 185
 186
 187 Symbol
 188 Lookup::stem(Real y1,Real y2)
 189 {
 190     if (y1 > y2) {
 191         Real t = y1;
 192         y1 = y2;
 193         y2 = t;
 194     }
 195     Symbol s;
 196
 197     s.dim.x = Interval(0,0);
 198     s.dim.y = Interval(y1,y2);
 199
 200     Array<String> a;
 201     a.push(print_dimen(y1));
 202     a.push(print_dimen(y2));
 203
 204     String src = (*symtables_)("param")->lookup("stem").tex;
 205     s.tex = substitute_args(src,a);
 206     return s;
 207 }