2 box.cc -- implement Box
4 source file of the GNU LilyPond music typesetter
6 (c) 1996--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
14 Box::translate (Offset o)
16 for (Axis i=X_AXIS; i < NO_AXES; incr (i))
17 interval_a_[i] += o[i];
23 for (Axis i=X_AXIS; i < NO_AXES; incr (i))
24 interval_a_[i].unite (b[i]);
37 interval_a_[X_AXIS].set_empty ();
38 interval_a_[Y_AXIS].set_empty ();
41 Box::Box (Interval ix, Interval iy)
48 Box::operator[] (Axis a)
50 return interval_a_[a];
54 Box::operator[] (Axis a)const
56 return interval_a_[a];
62 interval_a_[X_AXIS] *= s;
63 interval_a_[Y_AXIS] *= s;
67 Box::add_point (Offset o)
69 interval_a_[X_AXIS].add_point (o[X_AXIS]);
70 interval_a_[Y_AXIS].add_point (o[Y_AXIS]);
76 return Offset (interval_a_[X_AXIS].center (),
77 interval_a_[Y_AXIS].center ());
80 Box::widen (Real x, Real y)
82 interval_a_[X_AXIS].widen (x);
83 interval_a_[Y_AXIS].widen (y);