molecule.hh

   1 #ifndef MOLECULE_HH
   2 #define MOLECULE_HH
   3
   4 #include "list.hh"
   5 #include "boxes.hh"
   6 #include "item.hh"
   7 #include "symbol.hh"
   8 /// a symbol which can be translated, and freely copied
   9 struct Atom {
  10     Offset off;
  11     Symbol sym;
  12
  13     void translate(Offset o) {
  14         off += o;
  15     }
  16
  17     /// how big is #this#?
  18     Box extent() const;
  19     Atom(Symbol s);
  20
  21
  22     String TeXstring() const;
  23 };
  24
  25 /// a group of #Atom#s
  26 struct Molecule {
  27     PointerList<Atom*> ats;
  28
  29     Molecule() { }
  30     Molecule(Atom a) { add(a) ; }
  31
  32     void add_right(const Molecule &m);
  33     void add_left(const Molecule &m);
  34     void add_top(const Molecule &m);
  35     void add_bot(const Molecule &m);
  36     void add(Molecule const &m);
  37     void translate(Offset);
  38     void add(Atom a) { ats.bottom().add(new Atom(a)); }
  39     /// how big is #this#?
  40     Box extent() const;
  41
  42     String TeXstring() const;
  43
  44     Molecule(const Molecule&s);
  45 private:
  46     void operator=(const Molecule&);
  47 };
  48 /** a group of individually translated symbols. You can add molecules
  49     to the top, to the right, etc.  */
  50 #endif