lily/boxes.cc

   1 /*
   2   boxes.cc -- implement Box
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1996,1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9 #include "boxes.hh"
  10 #include "varray.hh"
  11
  12 void
  13 Box::translate (Offset o)
  14 {
  15   for (Axis i=X_AXIS; i < NO_AXES; incr(i))
  16     interval_a_[i] += o[i];
  17 }
  18
  19 void
  20 Box::unite (Box b)
  21 {
  22   for (Axis i=X_AXIS; i < NO_AXES; incr(i))
  23     interval_a_[i].unite (b[i]);
  24 }
  25
  26 /**
  27   Initialize to empty.
  28  */
  29 Box::Box()
  30 {
  31 }
  32
  33 Box::Box (Interval ix, Interval iy)
  34 {
  35   x() = ix;
  36   y() = iy;
  37 }
  38
  39 Interval &
  40 Box::operator[] (Axis a)
  41 {
  42   return interval_a_[a];
  43 }
  44
  45 Interval
  46 Box::operator[] (Axis a)const
  47 {
  48   return interval_a_[a];
  49 }