hdr/offset.hh

   1 /*
   2   offset.hh -- part of LilyPond
   3
   4   (c) 1996,97 Han-Wen Nienhuys
   5 */
   6
   7 #ifndef OFFSET_HH
   8 #define OFFSET_HH
   9 #include "real.hh"
  10
  11 /// 2d vector
  12 struct Offset {
  13     Real x,y;
  14
  15     Offset operator+(Offset o)const {
  16         Offset r(*this);
  17         r+=o;
  18         return r;
  19     }
  20
  21     Offset operator+=(Offset o) {
  22         x+=o.x;
  23         y+=o.y;
  24         return *this;
  25     }
  26     Offset(Real ix , Real iy) {
  27         x=ix;
  28         y=iy;
  29     }
  30     Offset() {
  31         x=0.0;
  32         y=0.0;
  33     }
  34 };
  35
  36 #endif // OFFSET_HH
  37
  38