hdr/boxes.hh

   1 /*
   2     some 2D geometrical concepts
   3 */
   4
   5 #ifndef BOXES_HH
   6 #define BOXES_HH
   7
   8 #include "fproto.hh"
   9 #include "real.hh"
  10 #include "interval.hh"
  11 #include "offset.hh"
  12
  13 /// a square subset of Real^2
  14 struct Box {
  15     Interval x, y;
  16
  17     void translate(Offset o) {
  18         x.translate(o.x);
  19         y.translate(o.y);
  20     }
  21     /// smallest box enclosing #b#
  22     void unite(Box b) {
  23         x.unite(b.x);
  24         y.unite(b.y);
  25     }
  26     Box();
  27     Box(Interval ix, Interval iy);
  28 };
  29
  30
  31 #endif