cols.cc

   1 #include "cols.hh"
   2 #include "pstaff.hh"
   3
   4 Idealspacing::Idealspacing(const PCol * l,const PCol * r)
   5 {
   6     space = 0.0;
   7     hooke = 0.0;
   8     left = l;
   9     right = r;
  10 }
  11 void
  12 Idealspacing::OK() const
  13 {
  14 #ifndef NDEBUG
  15     assert(hooke >= 0 && left  && right);
  16 #endif
  17 }
  18
  19 Interval
  20 PCol::width() const
  21 {
  22     Interval w;
  23
  24     for (PCursor<const Item *> ic(its); ic.ok(); ic++)
  25         w.unite(ic->width());
  26     if (w.empty())
  27         w.unite(Interval(0,0));
  28     return w;
  29 }
  30 /****************************************************************/
  31
  32 int
  33 PCol::compare(const PCol &c1, const PCol &c2)
  34 {
  35     assert(false);
  36     return 0 ;
  37 }
  38
  39 void
  40 PCol::OK () const
  41 {
  42     if (prebreak || postbreak ) {
  43         assert(breakable);
  44     }
  45 }
  46
  47 void
  48 PCol::set_breakable()
  49 {
  50     if (breakable)
  51         return;
  52
  53     prebreak = new PCol(this);
  54     postbreak = new PCol(this);
  55     breakable = true;
  56     used = true;
  57 }
  58
  59 PCol::PCol(PCol *parent) {
  60     daddy = parent;
  61     prebreak=0;
  62     postbreak=0;
  63     breakable=false;
  64     line=0;
  65     used  = false;
  66 }
  67
  68 PCol::~PCol()
  69 {
  70     if (prebreak)
  71         delete prebreak;        // no recursion!
  72     if (postbreak)
  73         delete postbreak;
  74 }
  75
  76 void
  77 PCol::add(const Item *i)
  78 {
  79     its.bottom().add(i);
  80     used = true;
  81 }
  82